CN103906309B - Light source device and lighting device - Google Patents

Abstract

The present disclosure relates to a light source device and a lighting device, which can provide different physiological stimulation light. The light source device comprises a light emitting module and a control unit. The light emitting module provides light. The control unit switches the light emitted by the light emitting module between a first light and a second light, wherein the physiological stimulus value of the second light is smaller than that of the first light, and the color temperature of the second light is substantially the same as that of the first light.

Description

Light supply apparatus and illuminator

Technical field

It relates to a kind of light supply apparatus and illuminator, and particularly to a kind of light supply apparatus providing different physiological stimulation light and illuminator.

Background technology

Along with Edison (ThomasAlvaEdison) invention bulb, produced by electric power, light source has not only been lighted night, has also lighted the civilization of the mankind, by this artificial light source, the mankind are utilized the time at night, thus have further driven the development of science and technology and education.And on the light source influence research to physiological stimulation, Yasukouchi, research finds that the light source of high color temperature at night relatively suppresses the secretion of melatonin than the light source of low colour temperature.Secondly from since calendar year 2001, the research of the Branard relation to human eye Yu physiological effect (biologicaleffect), further point out to illustrate the relation of the light source secretion with melatonin and physiological effect, and as Fig. 1 shows light source and physiological stimulation homologous thread (2001ActionSpectrumforMelatoninRegulationinHumans:Evidenc eforaNovelCircadianPhotoreceptor).And further it may be said that source, Mingguang City different wave length (400nm-550nm) is by Different Effects physiological stimulation (circadianstimulus, CS), judge the light source physiological stimulation influence degree to human body, therefore, if in time night or daytime using light source, require over the frequency spectrum composition of applicable light source, it is provided that appropriate artificial lighting's light source.

Additionally, for the purpose of power saving, current illuminator has the trend adopting light emitting diode as light source module.But, in order to be able to make light source module produce white light, it is utilize blue light-emitting diode to be coated with fluorescent layer so that blue light partly to be converted to gold-tinted etc. mostly, and produces white light by the mixing of blue light with the gold-tinted excited.Above-mentioned blue light illumination is after human body retina, the secretion of melatonin is suppressed via Human Physiology clock system, there is higher physiological stimulation value, contribute to promoting job performance, but, its main crest of blue light-emitting diode that general white light emitting diode (WhiteLED) light source module uses is between 445nm to 460nm, according to light radiation bio-safety standard IEC 62471, effective blue light harm (Effectivebluelighthazard) that the retina of eyes is caused by the blue light of this wave band is the most serious.

Summary of the invention

Embodiment of the disclosure a kind of light supply apparatus of offer, including light emitting module and control unit.Light emitting module provides light.Control unit makes the light that light emitting module sends switch between the first light and the second light, and wherein the physiological stimulation value of the second light is less than the physiological stimulation value of the first light, and the colour temperature of the second light and the first light is substantially the same.

Embodiment of the disclosure a kind of light supply apparatus of offer, including light emitting module and control unit.Light emitting module provides light.Control unit makes the light that light emitting module sends switch between the first light and the second light, and wherein the physiological stimulation value of the first light has more more than the 5% of the physiological stimulation value of the second light than the physiological stimulation value of the second light.

Embodiment of the disclosure a kind of illuminator of offer, including the first light source and secondary light source.First light source is in order to provide the first light, and it has the first physiological stimulation value.Secondary light source is in order to provide the second light, and it has the second physiological stimulation value.Wherein, the first light and the second light have the colour temperature being substantially the same, and the first physiological stimulation value is different from the second physiological stimulation value.

A kind of illuminator of offer is provided, including: the first light source module, launch the first light beam and illuminate region, wherein above-mentioned first light source module in first, including blue light wafer, in order to produce blue light；And secondary light source module, launch the second light beam and illuminate region in second；Wherein the main crest value wave-length coverage of the blue light that above-mentioned blue light wafer produces is between 461nm to 480nm.

A kind of illuminator of offer is provided, including: light source module, launch light beam, wherein above-mentioned light source module, including blue light wafer, in order to produce blue light, and the main crest value wave-length coverage of above-mentioned blue light is between 461nm to 480nm.

A kind of light source module of offer is provided, in order to launch light beam, including: blue light wafer, in order to produce blue light, wherein the main crest value wave-length coverage of above-mentioned blue light is between 461nm to 480nm.

For the features described above of the disclosure and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.

Accompanying drawing explanation

Fig. 1 shows the homologous thread of light source and physiological stimulation.

Fig. 2 A is the schematic diagram of the light supply apparatus in embodiment of the disclosure.

Fig. 2 B is a kind of change according to the light supply apparatus in Fig. 2 A embodiment.

Fig. 2 C is the relative light intensity spectrum schematic diagram with optical wavelength of the light sent according to the light supply apparatus in Fig. 2 B embodiment.

Fig. 2 D shows the light supply apparatus in Fig. 2 B embodiment and has the sequential chart of different light illumination mode at different periods.

Fig. 2 E is according to the block chart of light supply apparatus in Fig. 2 A.

The schematic diagram of the chromaticity coordinates type of the same colour temperature that Tu3Shi ANSI is defined.

Fig. 4 A is the schematic diagram of the light supply apparatus in another embodiment of the disclosure.

Fig. 4 B shows the curve of spectrum of the first light in Fig. 4 A embodiment.

Fig. 4 C shows the curve of spectrum of the second light in Fig. 4 A embodiment.

Fig. 4 D shows the light supply apparatus in Fig. 4 A embodiment and has the sequential chart of different light illumination mode at different periods.

Fig. 5 A is the schematic diagram of the light supply apparatus in the another embodiment of the disclosure.

Fig. 5 B shows the curve of spectrum of the first light in Fig. 5 A embodiment.

Fig. 5 C shows the curve of spectrum of the second light in Fig. 5 A embodiment.

Fig. 5 D shows the light supply apparatus in Fig. 5 A embodiment and has the sequential chart of different light illumination mode at different periods.

Fig. 6 A is the schematic diagram of the light supply apparatus in the another embodiment of the disclosure.

Fig. 6 B to Fig. 6 I shows the curve of spectrum of the light that light supply apparatus 500 provides respectively when each colour temperature.

Fig. 6 J shows the light supply apparatus in Fig. 6 A embodiment and has the sequential chart of different light illumination mode at different periods.

Fig. 7 is the schematic diagram of the illuminator of first embodiment of the present disclosure.

Fig. 8 is the schematic diagram of the first light source module of first embodiment of the present disclosure.

Fig. 9 is the schematic diagram of another example of the first light source module of the disclosure.

Figure 10 is the schematic diagram of the illuminator of second embodiment of the present disclosure.

Figure 11 is the schematic diagram of the illuminator of third embodiment of the present disclosure.

Figure 12 is the schematic diagram of the illuminator of fourth embodiment of the present disclosure.

Detailed description of the invention

(first implements kenel)

Fig. 2 A is the schematic diagram of the light supply apparatus in embodiment of the disclosure, Fig. 2 B is a kind of change according to the light supply apparatus in Fig. 2 A embodiment, Fig. 2 C is the relative light intensity spectrum schematic diagram with optical wavelength of the light sent according to the light supply apparatus in Fig. 2 B embodiment, refer to Fig. 2 A to Fig. 2 C, in the present embodiment, light supply apparatus 100 includes light emitting module 110 and control unit 120.Light emitting module 110 provides light B.In the present embodiment, the meaning representated by light B is the light that light emitting module 110 sends, and can have dispersion angle, but not be defined in specific direction of transfer.The light B that control unit 120 sends in order to switch light emitting module 110 is the first light L1 or the second light L2.Wherein, the physiological stimulation value (circadianstimulus/photometry, CS/P) of the second light L2 physiological stimulation value less than the first light L1, and the colour temperature of the second light L2 and the first light L1 is substantially the same.Thereby, light supply apparatus 100 can when not easily allowing user perceive light color temperature change, to select to provide, there is the first light L1 of high physiological stimulation or the second light L2 of low physiological stimulation according to practical service environment, time and purpose, to maintain the natural physiological period of user and to provide enough light source simultaneously.

Specifically, in the present embodiment, the definition of physiological stimulation value (CS/P) is shown below:

$\mathrm{CS}=\underset{\mathrm{vis}}{\∫}\mathrm{CS}\left(\mathrm{\λ}\right)\·P_{0\mathrm{\λ}}\·\mathrm{d\λ}$

$P=\underset{\mathrm{vis}}{\∫}P\left(\mathrm{\λ}\right)\·P_{0\mathrm{\λ}}\·\mathrm{d\λ}$

$\mathrm{CS}/P=\frac{\underset{\mathrm{vis}}{\∫}\mathrm{CS}\left(\mathrm{\λ}\right)\·P_{0\mathrm{\λ}}\·\mathrm{d\λ}}{\underset{\mathrm{vis}}{\∫}P\left(\mathrm{\λ}\right)\·P_{0\mathrm{\λ}}\·\mathrm{d\λ}}$

Wherein, CS (λ) represents the physiological functions of the mankind, and P (λ) represents the vision improvement function of the mankind, and P0 λ represents the spectrum after mixed light completes, and CS represents the physiological stimulation value of spectrum after mixed light completes, P represents the intensity level of spectrum after mixed light completes.Wherein, being related to vision improvement function P (λ) is the definition according to International Commission on Illumination (Commissioninternationaledel' é clairage, CIE).And the physiological functions CS (λ) of the mankind can refer to Actionspectrum (1997) proposed for ProfessorBrainard, as shown in Figure 1, human body non-vision physiological functions (2005) proposed for MarkRea and the proposed physiological functions of Germanpre-standardDINV, and the light supply apparatus 100 of the disclosure is applicable to various physiological functions.And, the schematic diagram of the chromaticity coordinates type of the same colour temperature that Tu3Shi ANSI (Americannationalstandardinstitute, ANSI) is defined, refer to Fig. 3, in the present embodiment, it is the definition according to ANSI with the definition of colour temperature.In other words, according to the light source of the same colour temperature of this standard design, color distortion to the human eye is not easily discovered.Wherein, in Fig. 3 schematic diagram the detailed coordinate figure of chromaticity coordinates type of ANSI's definition of depicted to refer to table 1 as follows:

Table 1

Wherein, the scope of data of table 1 can be scaled the tolerance tetragon reference color temperature S1 to S8 in Fig. 3.For example, drop on the color temperature coordinate value in tolerance tetragon reference color temperature S1 to the human eye very close to, the rest may be inferred.More specifically, the tolerance tetragon in table 1 can be scaled color temperature value scope such as table 2 below further:

Table 2

Wherein, the scope of data of table 2 can be scaled the oval reference color temperature e1 to e8 in Fig. 3, and furthermore, these oval reference color temperature e1 to e8 that is MacAdam (DavidMacAdam) are oval.For example, drop on each color temperature coordinate value in oval reference color temperature e1 to the human eye very close to, the rest may be inferred.It should be noted that table 1 and the coordinate data in table 2 are illustrate that the substantially colour temperature in the present embodiment is identical, actual coordinate data refer to the latest definition of ANSI, and the disclosure is not limited.In another embodiment, colour temperature is substantially the same representative in same oval reference color temperature.Thereby, light supply apparatus 100 can when not easily allowing user perceive the change of photochromic colour temperature, according to practical service environment, time and purpose to select to provide the light source of difference physiological stimulation value, to maintain user physiological period and to provide enough light source simultaneously.

Specifically, refer to Fig. 2 A, control unit 120 can make light emitting module 110 switch between multiple light-emitting modes, these light-emitting modes comprise the first physiological stimulation pattern and the second physiological stimulation pattern, light emitting module 110 includes multiple luminescence unit D, these luminescence units D can include electroluminescent cell, photo luminescent element or its combination.Wherein luminescence unit D includes at least one first luminescence unit D1, at least one second luminescence unit D2 and at least one 3rd luminescence unit D3, first luminescence unit D1 provides first time light W1, second luminescence unit D2 provides second time light W2, and the 3rd luminescence unit D3 provides third time light W3.Wherein, at least one crest value scope of first time light W1 can more than 420nm and less than 480nm, and at least one crest value scope of second time light W2 can more than 480nm and less than 540nm, and at least one crest value scope of third time light W3 can more than 540nm.

When control unit 120 makes light emitting module 110 switch to the first physiological stimulation pattern, control unit 120 makes the Part I P1 of these luminescence units D provide the first light L1, wherein the first light L1 can include first time light W1 and second time light W2, and when control unit 120 makes light emitting module 110 switch to the second physiological stimulation pattern, control unit 120 makes the Part II P2 of these luminescence units D provide the second light L2, wherein the second light L2 can include first time light W1 and third time light W3, and first the colour temperature of light L1 and the second light L2 be substantially the same, therefore physiological stimulation value can be changed to meet different demands when not affecting user colour temperature sensation.

In addition, light supply apparatus 100 ' in Fig. 2 B is similar to the light supply apparatus 100 of Fig. 2 A depicted, wherein in Fig. 2 B, each luminescence unit correspondence provides light crest value scope such as Fig. 2 A embodiment declared range, but be different in that, the Part I P1 ' of the light supply apparatus 100 ' in Fig. 2 B may also include the 3rd luminescence unit D3.

Wherein, under the first physiological stimulation pattern, the first light L1 ' that Part I P1 ' provides can include first time light W1, second time light W2 and third time light W3.And under the second physiological stimulation pattern, the second light L2 ' that Part II P2 ' provides can include first time light W1 and third time light W3.

Wherein, Fig. 2 B completes the frequency spectrum after mixed light as shown in Figure 2 C, due to physiological stimulation value more than third time light W3 of the physiological stimulation value of second time light W2, therefore the first light L1 ' is though being identical colour temperature 3000K with the second light L2 ', owing to its mixed light spectrum is different, therefore physiological stimulation value is different, mixed light curve of spectrum SH1 in first its spectrum of light L1 ' such as Fig. 2 C, physiological stimulation value CS/P is about 0.43 after being computed, and the curve of spectrum SL1 in the second light L2 ' its mixed light spectrum such as Fig. 2 C, its physiological stimulation value CS/P is about 0.27 after being computed, that is the CS/P that above formula calculates, wherein the physiological stimulation value of the first light L1 ' is about the 159% of the physiological stimulation value of the second light L2 ' after being computed.Thereby, the physiological stimulation value that can make the second light L2 ' and the first light L1 ' has more significant difference.And above-mentioned purpose can be reached, the disclosure is not limited.

Furthermore, control unit 120 can make the light B that light emitting module 110 ' sends can switch to the first physiological stimulation pattern (namely providing the first light L1 ') or the second physiological stimulation pattern (namely providing the second light L2 ') on demand by the multiple different periods in a day.Specifically, Fig. 2 D shows the light supply apparatus in Fig. 2 B embodiment and has the sequential chart of different light illumination mode at different periods, refer to Fig. 2 B and Fig. 2 D, for example, light supply apparatus 100 ' can be applicable to restaurant's illumination, can operationally between (in Fig. 2 D the 9:00 to 18:00 of depicted) provide colour temperature to be 3000K and the first light L1 ' with higher physiological stimulation value, to improve Vigilance and the work ethos of service personal, also allow for tenant simultaneously and there is visual snugness sense.And at night (in Fig. 2 D the 18:00 to 22:00 of depicted), light emitting module 110 ' in light supply apparatus 100 ' can be switched to colour temperature and be similarly 3000K but have the second light L2 ' of relatively low physiological stimulation value, the physiological stimulation of the service personal to night shift and tenant, the health affecting service personal and tenant to avoid affecting melatonin secretion can be reduced when not affecting illumination colour temperature.It should be noted that the sequential in Fig. 2 D is only for illustrating the present embodiment, can be varied from according to enforcement demand in other embodiments, the disclosure is not limited.

Still further, Fig. 2 E is according to the block chart of light supply apparatus in Fig. 2 A, refer to Fig. 2 E, in the present embodiment, light supply apparatus 100 may also include User's Interface 130, the signal of the operation corresponding to user UR that control unit 120 inputs according to User's Interface 130 and determine the light illumination mode that light supply apparatus 100 is residing at present.Specifically, control unit 120 is such as microprocessor, and light emitting module 110 can be made to switch to different light illumination modes respectively in multiple different times according to time management data DT, and wherein time management data DT is relevant to biological biologic clock.For example, time management data DT can mode switch time data in the sequential chart in Fig. 2 D, the right disclosure is not limited.More specifically, light supply apparatus 100 may also include data writing systems DR, time management data DT can be connected with control unit 120 by data writing systems DR and be received and be stored in memory element SV, and control unit 120 can be passed through to be loaded into time management data DT to control control unit 120 and to make the light source driver module DM of light emitting module 110 drive Part I P1 or Part II P2 from memory element SV, to reach the effect described in Fig. 2 A embodiment.On the other hand, light supply apparatus 100 may also include connection interface 140, connects interface 140 and the time management data DT from data writing systems DR is transferred to control unit 120, and wherein connecting interface 140 is wired connection interface or wireless connection interface.For example, connecting interface 140 is such as hand switch or remote controller, and the available hand switch of user UR or remote controller are chosen or change the light illumination mode of light supply apparatus 100.And on the other hand, light supply apparatus 100, also dependent on the content of time management data DT, automatically chooses according to the time or changes light illumination mode, with the demand with the use of person UR.

But, the light emitting module 110 of the light supply apparatus 100 in Fig. 2 A embodiment can provide the first light L1 and the second light L2 with identical colour temperature and different physiological stimulation value.But in other embodiments, it is possible to the light with identical or different colour temperature and different physiological stimulation value is provided.

For example, Fig. 4 A is the schematic diagram of the light supply apparatus in another embodiment of the disclosure, similar to Fig. 2 A embodiment, and light supply apparatus 300 comprises the first luminescence unit D1, and the second luminescence unit D2, the 3rd luminescence unit D3 can include D31 and D32.

Wherein the Part I P13 of light supply apparatus 300 includes the first luminescence unit D1, the second luminescence unit D2, the 3rd luminescence unit D31, its corresponding generation first time light W1, second time light W2 and third time light W3, wherein, second time light W2 can be excited by first time light W1 by fluorophor and produce (namely the second luminescence unit D2 can be fluorophor), and light W3 is produced by light emitting diode for the third time.The Part II P23 of light supply apparatus 300 luminescence includes the first luminescence unit D1 and the three luminescence unit D32, its corresponding generation first time light W1 and third time light W3.Wherein, first time light W1 can for light produced by light emitting diode, and third time light W3 can be excited by first time light W1 by fluorophor and produce (namely the 3rd luminescence unit D32 can for fluorophor).Wherein, at least one crest value scope of first time light W1 is more than 420nm and less than 480nm, and at least one crest value scope of second time light W2 is more than 480nm and less than 540nm, and at least one crest value scope of third time light W3 is more than 540nm.

In Fig. 4 A embodiment, being different in that in the light supply apparatus 300 in Fig. 4 A, controlling module 320 and make the light B3 that light emitting module 310 sends switch between the first light L13 and the second light L23, the colour temperature of the first light L13 and the second light L23 differs.

Fig. 4 B shows the curve of spectrum of the first light L13 in Fig. 4 A embodiment, and Fig. 4 C shows the curve of spectrum of the second light L23 in Fig. 4 A embodiment.In the present embodiment, Fig. 4 B is for 6500k colour temperature, and Fig. 4 C is for 3000k colour temperature.Calculated via above-mentioned each formula by the curve of spectrum in Fig. 4 B and Fig. 4 C push away the physiological stimulation value of the first light L13 that provides of the light emitting module 310 of light supply apparatus 300 is about 0.94, and the physiological stimulation value of the second light L23 is about 0.27, wherein the physiological stimulation value of the first light L13 is about 3.48 times of the physiological stimulation value of the second light L23, and namely the physiological stimulation value of the first light L13 physiological stimulation value than the second light L23 has more more than the 5% of the physiological stimulation value of the second light L23.

Fig. 4 D shows the light supply apparatus in Fig. 4 A embodiment and has the sequential chart of different light illumination mode at different periods.Thereby, light supply apparatus 300 can be applicable to illumination at home, such as Fig. 4 D depicted, the light emitting module 310 of light supply apparatus 300 can the period (such as 9:00 to 18:00) provides the light source with high physiological stimulation value and high color temperature (6500k) so that people feels salubrious and can improve spirit in the daytime, then provides in the period at night (such as 18:00 to 22:00) and has the low physiological stimulation value light source with low colour temperature (3000k) so that people has cosy sensation.Wherein, the curve of spectrum of above-mentioned physiological stimulation numerical value and Fig. 4 B and Fig. 4 C is merely to illustrate the present embodiment, in other embodiments also can be different according to actual demand, and the disclosure is not limited.

Fig. 5 A is the schematic diagram of the light supply apparatus in the another embodiment of the disclosure, similar to Fig. 2 A embodiment, but in the present embodiment, light emitting module 410 also includes at least one 4th luminescence unit D4.Wherein, the first luminescence unit D1 provides first time light W1, the second luminescence unit D2 to provide second time light W2, the 3rd luminescence unit D3 to provide third time light W3, and the 4th luminescence unit D4 provides the 4th light W4.And such as Fig. 5 A depicted, Part I P14 can include the first luminescence unit D1, the second luminescence unit D2 and the four luminescence unit D4, and Part II P24 can include the first luminescence unit D1, the 3rd luminescence unit D3 and the four luminescence unit D4.When control unit 420 makes light emitting module 410 switch to the first physiological stimulation pattern, first luminescence unit D1 sends first time light W1, second luminescence unit D2 sends second time light W2, and the 4th luminescence unit D4 send the 4th light W4, when control unit 420 makes light emitting module 410 switch to the second physiological stimulation pattern, first luminescence unit D1 sends first time light W1, 3rd luminescence unit D3 sends third time light W3, and the 4th luminescence unit D4 send the 4th light W4, the wherein physiological stimulation value of the first time light W1 physiological stimulation value more than second time light W2, and the physiological stimulation value that the physiological stimulation value of second time light W2 is more than third time light W3.In short, under the first physiological stimulation pattern, the first light L14 that the light emitting module 410 of light supply apparatus 400 provides can include first time light W1, second time four light W4 of light W2 and the.And under the second physiological stimulation pattern, the second light L24 that the light emitting module 410 of light supply apparatus 400 provides can include first time light W1, third time four light W4 of light W3 and the.Thereby can have similar effect to the light supply apparatus 100 of embodiment in Fig. 2 A.

In other words, the light emitting module 410 of light supply apparatus 400 can include the first luminescence unit D1, the second luminescence unit D2, the 3rd luminescence unit D3 and the 4th luminescence unit D4.Wherein, at least the first luminescence unit D1, the second luminescence unit D2 and the four luminescence unit D4 can form the first light source (i.e. Part I P14) and send the first light L14, and the first luminescence unit D1, the 3rd luminescence unit D3 and the four luminescence unit D4 can form secondary light source (i.e. Part II P24) and send the second light L24.Wherein, the first light source is substantially the same from secondary light source colour temperature and has different physiological stimulation values.

In the present embodiment, the first luminescence unit D1 in Fig. 5 A can be light emitting diode, second time light W2 can be excited by first time light W1 by the first fluorophor and produce, and third time light W3 can be excited by first time light W1 by the second fluorophor and produce, in other words, in the present embodiment, second luminescence unit D2 and the three luminescence unit D3 can be luminescence generated by light (such as fluorescence) material, and it can be subject to first time light W1 and excite and the second time light W2 and third time light W3 that produce different crest value scope.In addition, in the present embodiment, the 4th luminescence unit D4 is such as light emitting diode, but in other embodiments, 4th luminescence unit D4 maybe can produce the embedded photoluminescent material (such as fluorophor) of the 4th light W4 for light excites, and the disclosure is not limited.In another embodiment, the first luminescence unit D1, the second luminescence unit D2, the 3rd luminescence unit D3 and the four luminescence unit D4 can for have the light emitting diode of different crest value scope or the combination of light emitting diode and fluorophor.

Fig. 5 B shows the curve of spectrum of the first light L14 in Fig. 5 A embodiment, and Fig. 5 C shows the curve of spectrum of the second light L24 in Fig. 5 A embodiment, Fig. 5 D shows the light supply apparatus in Fig. 5 A embodiment and has the sequential chart of different light illumination mode at different periods, specifically, at least one crest value scope of first time light W1 is more than 420nm and less than 480nm, at least one crest value scope of second time light W2 is more than 480nm and less than 540nm, at least one crest value scope of third time light W3 is more than 540nm and less than 590nm, and at least one crest value scope of the 4th light W4 is more than 590nm and less than 680nm.The mixed light curve of spectrum wherein, when light supply apparatus 400 is in the first physiological stimulation pattern, in spectrum such as Fig. 5 B of the first light L14 that light emitting module 410 provides.The curve of spectrum when light supply apparatus 400 is in the second physiological stimulation pattern, in mixed light spectrum such as Fig. 5 C of the second light L24 that light emitting module 410 provides.In the present embodiment, Fig. 5 B and Fig. 5 C, for 6500K colour temperature, by the curve of spectrum in Fig. 5 B and Fig. 5 C, can be derived from the physiological stimulation value of the first light L14 of light supply apparatus 400 and is about 0.94, and the physiological stimulation value of the second light L24 is about 0.79.Thereby, light supply apparatus 400 can be applicable to operating illumination (such as hospital or industrial light), such as Fig. 5 D depicted, the light emitting module 410 of light supply apparatus 400 period (such as 9:00 to 18:00) offer can have the light source of high physiological stimulation value and high color temperature so that staff feels salubrious and can improve spirit in the daytime, the light source having low physiological stimulation value but still maintain high color temperature was then provided in the period at night (such as 18:00 to 22:00), to reduce the physiological stimulation to the staff worked in night, to avoid affecting the health of staff.Wherein, the curve of spectrum of above-mentioned physiological stimulation numerical value and Fig. 5 B and Fig. 5 C is merely to illustrate the present embodiment, in other embodiments also can be different according to actual demand, and the disclosure is not limited.It should be noted that, light supply apparatus 400 in Fig. 5 A also can light supply apparatus 300 in Fig. 4 A embodiment, by adjust first time light W1, second time light W2, third time four light W4 of light W3 and the between ratio with provide different-colour and different physiological stimulation value difference different reach more than 5% the first light L14 and the second light L24, relevant narration in detail can refer to Fig. 2 A and Fig. 4 A embodiment, does not repeat them here.

Fig. 6 A is the schematic diagram of the light supply apparatus in the another embodiment of the disclosure, Fig. 6 B to Fig. 6 I shows the curve of spectrum of the light that light supply apparatus 500 provides respectively when each colour temperature, similar to the embodiment of Fig. 5 A, and there is the first time light W1 of identical crest value scope, second time light W2, third time light W3, the 4th light W4, but be different in that, in the present embodiment, the light emitting module 510 of the light supply apparatus 500 of Fig. 6 A can provide the light source of the more groups of different-colours with height physiological stimulation value under these light illumination modes.nullFor example，In the present embodiment，When the first luminescence unit D11 included in the light emitting module 510 of light supply apparatus 500 and the first luminescence unit D12 provides first time light W1、When second luminescence unit D2 provides second time light W2 and the 4th luminescence unit D4 to provide the 4th light W4，The light emitting module 510 of light supply apparatus 500 can pass through to adjust first time light W1、The ratio of second time four light W4 of light W2 and the，To provide first light L15 (the such as 6500K with higher physiological stimulation value respectively in accordance with user demand、CS/P value 0.82)、3rd light L35 (such as 5000K、CS/P value 0.67)、5th light L55 (such as 4000K、CS/P value 0.54) and the 7th light L75 (such as 3000K、CS/P value 0.39).nullOn the other hand，When the first luminescence unit D11 in the light emitting module 510 of light supply apparatus 500 and the first luminescence unit D13 provides first time light W1、When 3rd luminescence unit D3 provides third time light W3 and the 4th luminescence unit D4 to provide the 4th light W4，The light emitting module 510 of light supply apparatus 500 can pass through to adjust first time light W1、The ratio of third time four light W4 of light W3 and the，To provide the second light L25 (6500K with relatively low physiological stimulation value respectively in accordance with user demand、CS/P value 0.72)、4th light L45 (5000K、CS/P value 0.57)、6th light L65 (4000K、CS/P value 0.45) and the 8th light L85 (3000K、CS/P value 0.30).Therefore, the light emitting module 510 of light supply apparatus 500 light emitting module 110 and 110 ' compared to Fig. 2 A Yu the light supply apparatus 100 and 100 ' of Fig. 2 C is provided that the light source of more groups of colour temperatures, thereby may conform to various user demand, and has good application potential.

Specifically, in the present embodiment, light supply apparatus 500 can include the first physiological stimulation pattern, the second physiological stimulation pattern, the 3rd physiology stimulus modelity, the 4th physiological stimulation pattern, the 5th physiological stimulation pattern, the 6th physiological stimulation pattern, the 7th physiological stimulation pattern and the 8th physiological stimulation pattern.And, control unit 520 makes light that light emitting module 500 sends under these physiological stimulation patterns at the first light L15 (curve of spectrum is Fig. 6 B such as), second light L25 (curve of spectrum is Fig. 6 C such as), 3rd light L35 (curve of spectrum is Fig. 6 D such as), 4th light L45 (curve of spectrum is Fig. 6 E such as), 5th light L55 (curve of spectrum is Fig. 6 F such as), 6th light 65 (curve of spectrum is Fig. 6 G such as), switch between the 7th light L75 (curve of spectrum is Fig. 6 H such as) and the 8th light L85 (curve of spectrum is Fig. 6 I such as), and then more multiple sets of light sources can be provided.

More specifically, the physiological stimulation value of the second light L25 physiological stimulation value less than the first light L15, and the colour temperature of the second light L25 and the first light L15 is substantially the same.The physiological stimulation value of the 4th light L45 physiological stimulation value less than the 3rd light L35, and the colour temperature of the 4th light L45 and the three light L35 is substantially the same.The physiological stimulation value of the 6th light L65 physiological stimulation value less than the 5th light L55, and the colour temperature of the 6th light L65 and the five light L55 is substantially the same.The physiological stimulation value of the 8th light L85 physiological stimulation value less than the 7th light L75, and the colour temperature of the 8th light L85 and the seven light L75 is substantially the same.Further, the first light L15, the 3rd light L35, the 5th light L55 and the 7th light L75 colour temperature substantially differ and the second light L25, the 4th light L45, the 6th light L65 and the 8th light L85 colour temperature substantially differ.In other words, the light emitting module 510 of light supply apparatus 500 can pass through to adjust the ratio of first time light W1, second time light W2, third time four light W4 of light W3 and the, and can provide the light of more groups of colour temperatures, and each group of light with colour temperature can switch between high physiological stimulation value and low physiological stimulation value.

Furthermore, in the present embodiment, the light emitting module 510 of light supply apparatus 500 can include the first luminescence unit D11, D12 and D13, the second luminescence unit D2, the 3rd luminescence unit D3 and the four luminescence unit D4.Wherein, the first luminescence unit D11 and D12, the second luminescence unit D2 and the 4th luminescence unit D4 can form the first light source (i.e. Part I P1) and send the first light L15, the 3rd light L35, the 5th light L55 or the 7th light L75 under each physiological stimulation pattern.On the other hand, the first luminescence unit D11 and D13, the 3rd luminescence unit D3 and the 4th luminescence unit D4 can form secondary light source (i.e. Part II P2) and send the second light L25, the 4th light L45, the 6th light L65 or the 8th light L85 under each physiological stimulation pattern.

Thereby, light supply apparatus 500 can pass through to change the light mixng proportion of first time light W1, second time light W2, second time light W2, third time light W3 and the 4th light W4, and can when 6500K colour temperature, switching between the first light L15 and the second light L25 having low physiological stimulation value that have high physiological stimulation value.Also can when 5000K colour temperature, switching between the 3rd light L35 and the 4th light L45 having low physiological stimulation value that have high physiological stimulation value.Also can when 4000K colour temperature, switching between the 5th light L55 and the 6th light L65 having low physiological stimulation value that have high physiological stimulation value.And also can when 3000K colour temperature, switching between the 7th light L75 and the 8th light L85 having low physiological stimulation value that have high physiological stimulation value.So, light supply apparatus 500 can have bigger application potential.

In addition, furthermore, the first above-mentioned light L15 and the second light L25 has the different physiological stimulation value of same colour temperature, 3rd light L35 and the four light L45 has the different physiological stimulation value of same colour temperature, 5th light L55 and the six light L65 has the different physiological stimulation value of same colour temperature, and the 7th light L75 and the eight light L85 has the different physiological stimulation value of same colour temperature.But, in other embodiments, the first light L15 and the second light L25 is alternatively more than 5% that the physiological stimulation value of different-colour and the first light L15 physiological stimulation value than the second light L25 has more the physiological stimulation value of the second light L25.3rd light L35 and the four light L45 is alternatively more than 5% that the physiological stimulation value of different-colour and the 3rd light L35 physiological stimulation value than the 4th light L45 has more the physiological stimulation value of the 4th light L45.5th light L55 and the six light L65 is alternatively more than 5% that the physiological stimulation value of different-colour and the 5th light L55 physiological stimulation value than the 6th light L65 has more the physiological stimulation value of the 6th light L65.7th light L75 and the eight light L85 is alternatively more than 5% that the physiological stimulation value of the comparable 8th light L85 of physiological stimulation value of different-colour and the 7th light L75 has more the physiological stimulation value of the 8th light L85.Thereby, it is possible to have, to the light supply apparatus 500 in Fig. 6 A, there is similar effect.

Fig. 6 J shows the light supply apparatus in Fig. 6 A embodiment and has the sequential chart of different light illumination mode at different periods, refer to Fig. 6 J, for example, light supply apparatus 500 can be applicable to office lighting, wherein, light supply apparatus 500 period in the daytime (8:00 to 11:00 in Fig. 6 J) can switch to the first physiological stimulation pattern so that light emitting module 510 provides high color temperature (6500K) and has the first light L15 of high physiological stimulation value.And in the lunch break period (11:00 to 13:00), light supply apparatus 500 then can switch to the second physiological stimulation pattern so that light emitting module 510 provides high color temperature and has the second light L25 of low physiological stimulation value, can reduce the physiological stimulation to the staff in having a rest.Then, light supply apparatus 500 can switch back into the first physiological stimulation pattern to promote work efficiency again at the afternoon hours (13:00 to 16:00) after lunch break terminates.And at next evening session (after the 18:00 in Fig. 6 J), light supply apparatus 500 then can switch to the 7th physiological stimulation pattern so that light emitting module 510 provides the 7th light L75 of low colour temperature (3000K).Further, light supply apparatus 500 also can switch to the 8th physiological stimulation pattern so that light emitting module 510 provides low colour temperature (3000K) and has the 8th light L85 of minimum physiological stimulation value at the length of one's sleep (after the 22:00 in Fig. 6 J).Additionally, light supply apparatus 500 can provide more kinds of combination of light sources, thereby to coordinate wider application.

Light supply apparatus in embodiment of the disclosure can control light emitting module by control unit provides the light that colour temperature is identical and physiological stimulation value is different.Light emitting module also by multi-group light-emitting unit to provide the light organizing colour temperature more, and each group of light with colour temperature also can switching between the light of different physiological stimulation values.Additionally, light supply apparatus in embodiment of the disclosure controls light emitting module also by control unit provides the light of physiological stimulation value difference different more than 5%, and these light can have a diverse colour temperature, or has the colour temperature of these light of part identical.Thereby, light supply apparatus can have the light source of different physiological stimulation value in response to practical service environment, time and purpose to select to provide, to maintain the natural physiological period of user and to provide enough light source simultaneously.The light supply apparatus of the disclosure can be the back lighting device in order to the illuminator illuminated or the backlight as display, but is not limited.

In addition, in each embodiment as disclosed above, also the luminescence unit that there is at least one crest scope more than 461nm and the blue light less than 480nm can be included, namely, light supply apparatus as disclosed above and light emitting module are when keeping colour temperature, there is provided the blue light that low blue light endangers as composition light, thereby, can under colour temperature almost immovable situation, adjust the physiological stimulation value of light according to demand, and the light provided has the harm of low blue light, even if under long-time use, also retina will not be caused excessive injury.

(second implements kenel)

Light source module and the illuminator of the second enforcement kenel of the disclosure have employed the blue light wafer that main crest value wave-length coverage is positioned between 461nm to 480nm, decrease and retina is endangered the wavelength between bigger 445nm to 460nm, can protect the eyes of user.Additionally optionally utilize secondary light source module to increase the brightness of environment and to strengthen the physiological stimulation factor, to improve the work efficiency of user.

Fig. 1 is the schematic diagram of the illuminator 1 of first embodiment of the present disclosure.Illuminator 1 includes the first light source module 10, secondary light source module 20 and the 3rd light source module 30.First light source module 10 illuminates region Z1 in order to launch the first light beam L1 ' in first, and secondary light source module 20 illuminates region Z2 in order to launch the second light beam L2 ' in second, and the 3rd light source module 30 illuminates region Z3 in order to launch the 3rd light beam L3 ' in the 3rd.Above-mentioned first illumination region Z1 is defined as the region of resource-user cost method, and above-mentioned second illumination region Z2 and the 3rd illumination region Z3 is positioned at an a wall W1 ' and/or ceiling W2 '.First illumination region Z1 can be desktop S1 ' in the present embodiment, and the second illumination region Z2 is positioned at wall W1 ', and the 3rd illumination region Z3 is positioned at ceiling W2 '.

Above-mentioned first light beam L1 ' has primary optic axis AX1 and the first beam angle A1, and the first light beam L1 ' advances along primary optic axis AX1.Angle between above-mentioned primary optic axis AX1 and a vertical direction D1 ' is 0 degree to 45 degree, and the first beam angle A1 is between 30 degree to 80 degree or less than 45 degree.In the present embodiment, above-mentioned angle can be 0 degree, and the first beam angle A1 can be 45 degree.

Above-mentioned second light beam L2 ' has the second optical axis AX2 and the second beam angle A2, and the second light beam L2 ' advances along the second optical axis AX2.Angle between above-mentioned second optical axis AX2 and above-mentioned vertical direction D1 ' is 45 degree to 90 degree, and the second beam angle A2 is between 60 degree to 130 degree.Angle above-mentioned in the present embodiment can be 90 degree, and the second beam angle A2 can be 80 degree.

Above-mentioned 3rd light beam L3 ' has the 3rd optical axis AX3 and the 3rd beam angle A3, and the 3rd light beam L3 ' advances along the 3rd optical axis AX3.Angle between above-mentioned 3rd optical axis AX3 and vertical direction D1 ' is 0 degree to 60 degree, and the 3rd beam angle A3 is between 70 degree to 170 degree, and angle above-mentioned in the present embodiment can be 0 degree, and the 3rd beam angle A3 can be 100 degree.

Above-mentioned first light beam L1 ', the second light beam L2 ' and the 3rd light beam L3 ' can be white light, and colour temperature (CCT) can be 2500K to 3500K, 4000K to 5000K or 6000K to 7000K.

Above-mentioned first light source module 10 can include multiple blue light wafer 11.Can be light emitting diode in the wafer described in the disclosure.Blue light wafer 11 can be gallium nitride (GaN) is blue light-emitting diode, the substrate adopted in its brilliant technique of heap of stone can be sapphire (Sapphire), carborundum (SiC) or silicon etc., therefore blue light wafer 11 can produce a blue light, and the main crest value wave-length coverage of blue light is between 461nm to 480nm, main crest value wavelength is about 463nm in the present embodiment.

Furthermore, the light source module of the disclosure can be arranged in pairs or groups other photochromic wafers by above-mentioned main crest value wave-length coverage blue light wafer 11 between 461nm to 480nm or other phosphor bodies with wavelength convert (wavelengthconverter) function are formed.For example, blue light wafer can be arranged in pairs or groups gold-tinted wafer, collocation green wafer and red wafer or collocation green wafer, cyan wafer and red wafer.Additionally, blue light wafer also can be arranged in pairs or groups the various combinations such as gold-tinted phosphor body, collocation gold-tinted phosphor body and HONGGUANG phosphor body, collocation green wafer and HONGGUANG phosphor body, collocation green glow phosphor body and red wafer or collocation green wafer, gold-tinted phosphor body and HONGGUANG phosphor body, is not limited.Below for above-mentioned several combinations as an example.

Fig. 2 is the schematic diagram of the first light source module 10 of first embodiment of the present disclosure.In the present embodiment, the exiting surface of each blue light wafer 11 is provided with a fluorescent layer 12.Fluorescent layer can include the green glow phosphor body of about 1 to 20 percentage by weight and the HONGGUANG phosphor body of 1 to 20 percentage by weight, and green glow phosphor body can be silicate phosphor body (SilicatePhosphor) or aluminate-series phosphor body (AluminatePhosphor), HONGGUANG phosphor body can be nitride based phosphor body (NitridePhosphor) or sulfide-based phosphor body (SulfidePhosphor).When blue light is by fluorescent layer 12, the above-mentioned blue light of part is formed green glow and HONGGUANG by fluorescent layer 12, via the white light that is mixed to form of above-mentioned blue light, green glow and HONGGUANG, i.e. and the first light beam L1 '.

The main crest value wave-length coverage of above blue light wafer 11 between 461nm to 480nm and fluorescent layer 12, the effective blue light Hazard factor (bluelighthazardactionfactor) making the unit light energy of the first light beam L1 ' is about 0.133, meets the relevant safety regulations of blue light.Effective blue light Hazard factor is more low to be represent, and the degree that retina is subject to blue light light evil is more low.

The main crest value wave-length coverage of the blue light wafer 11 therefore adopted due to the present embodiment is between 461nm to 480nm; therefore can avoid the harm bigger main crest value wave-length coverage blue light between 445nm to 460nm of the retina blue light to human body, and then reach effect of protection user eyes.

Above-mentioned effective blue light Hazard factor (BLH/W) is defined as effective blue light harm value (effectivebluelighthazardradiationquantities of every watt of (W) light radiation, BLH), wherein effectively blue light harm value can calculate via following equation.

BLH=∫ X_eλ·B(λ)dλ

Xe λ in above-mentioned formula is spectral power distribution (SpectralPowerDistribution), B (λ) is wavelength for effectively blue evil weighting function and λ.

In another example, fluorescent layer includes the gold-tinted phosphor body of 1 to 20 percentage by weight and the HONGGUANG phosphor body of 1 to 20 percentage by weight, gold-tinted phosphor body can be YAG system phosphor body, silicate phosphor body or aluminate-series phosphor body etc., and HONGGUANG phosphor body can be nitride based phosphor body (NitridePhosphor) or sulfide-based phosphor body (SulfidePhosphor).When blue light is by fluorescent layer 12, the above-mentioned blue light of part is formed gold-tinted and HONGGUANG by fluorescent layer 12, via the white light that is mixed to form of above-mentioned blue light, gold-tinted and HONGGUANG, i.e. and the first light beam L1 '.

Under the irradiation of the white light formed via above-mentioned blue light wafer 11 and fluorescent layer 12, the eyes of user are less susceptible to fatigue and produce injury.

Fig. 3 is the schematic diagram of another example of the first light source module 10 of the disclosure.In this example, the first light source module 10 also includes multiple green light LED wafer 13.Green light LED wafer 13 can be gallium nitride (GaN) is green light LED, and in order to produce a green glow, the substrate adopted in its brilliant technique of heap of stone can be sapphire (Sapphire), carborundum (SiC) or silicon substrate etc..Fluorescent layer 12 includes one 1 to 20 percentage by weight HONGGUANG phosphor body.HONGGUANG phosphor body can be nitride based phosphor body or sulfide-based phosphor body.When blue light is by fluorescent layer 12, the above-mentioned blue light of part is converted to HONGGUANG by fluorescent layer 12, and via after the mixing of above-mentioned HONGGUANG, blue light and green glow, forms a white light, i.e. the first light beam L1 '.

In the present embodiment, above-mentioned green glow preferably wave-length coverage is 500nm to 540nm, and the wave-length coverage of above-mentioned HONGGUANG is 620nm to 680nm.Under the irradiation of the white light formed via above-mentioned blue light wafer 11, fluorescent layer 12 and green wafer 13, the eyes of user are less susceptible to fatigue and produce injury.

Above-mentioned secondary light source module 20 can include multiple blue light wafer 21, and the exiting surface of each blue light wafer 21 is provided with a fluorescent layer 22.Above-mentioned 3rd light source module 30 can include multiple blue light wafer 31, and the exiting surface of each blue light wafer 31 is provided with a fluorescent layer 32.The thin portion structure of secondary light source module 20 and the 3rd light source module 30 can be same or like, refer to the explanation about the first light source module 10 in above-mentioned disclosed embodiment.The blue light wafer 21,31 of secondary light source module 20 and the 3rd light source module 30 and the fluorescent layer 22,32 being arranged on can be same or similar with above-mentioned the first disclosed light source module 10, and also can arrange above-mentioned green wafer 13 in secondary light source module 20 and the 3rd light source module 30.

In the present embodiment, the main crest value wave-length coverage of the blue light of the blue light wafer 21,31 in secondary light source module 20 and the 3rd light source module 30 can be located between 461nm to 480nm, may also be between 420nm to 460nm, for example, can be 455nm, 447nm or 441nm.That is, the main crest value of the blue light of the blue light wafer 21,31 in above-mentioned secondary light source module 20 and the 3rd light source module 30 less than the main crest value of the blue light of the blue light wafer 11 in the first light source module 10, thereby can increase luminous efficiency (LuminousEfficacy) and the environment blue light of white light LEDs in secondary light source module 20 and secondary light source module 20.

Effective blue light Hazard factor of above-mentioned first light source module 10 is smaller than or is equal to 10%, 20% or the 30% of effective blue light Hazard factor of above-mentioned secondary light source module 20 and the 3rd light source module 30, can be 10% in the present embodiment.In addition, the physiological stimulation factor more above-mentioned secondary light source module 20 of above-mentioned first light source module 10 and the physiological stimulation factor big 10%, 20% or 30% of the 3rd light source module 30, or the first light source module, secondary light source module, the 3rd light source module all have the identical physiological stimulation factor.In the present embodiment, the physiological stimulation factor of the first light source module can the physiological stimulation factor about 10% of relatively secondary light source module and the 3rd light source module.The physiological stimulation factor is more high represent the stimulation that human body is subject to blue light after, can degree of stepping up vigilance (alertness), and then increase study or work efficiency.

The physiological stimulation factor (CS/W) is defined as the physiological stimulation value (circadianstimulus) contained by every watt of (W) light radiation, wherein has physiological stimulation value can calculate via following equation.

CS=∫X_eλ·C(λ)dλ

Xe λ in above-mentioned formula is spectral power distribution (SpectralPowerDistribution), C (λ) is wavelength for circadian rhythm and pace of moving things action function and λ.

Above-mentioned second light beam L2 ' and the 3rd light beam L3 ' is that the wall W1 ' or ceiling W2 ' exposing to surrounding illuminates, and can have the blue light ingredient of higher rate, to increase the blue light of environment, and form part diffuse-reflectance by being projected to wall W1 ' or ceiling W2 ', pattern of retinal ganglion cells can be expanded and receive the region of blue light, increase Vigilance.It addition, simultaneously also because above-mentioned diffuse-reflectance, the blue light of environment is uniformly distributed in human body retina via after diffusion, generally speaking, it is possible to decrease for effective blue light harm value of eyes.

Additionally, the luminous efficiency (lm/W) of above-mentioned secondary light source module 20 and the 3rd light source module 30 can big compared with the luminous efficiency of the first light source module 10 10%, 20% or 30%, maybe can have identical luminous efficiency, can be 10% in the present embodiment, to reach energy-conservation effect.Another in published embodiment, the first light source module 10, secondary light source module 20 and the 3rd light source module 30 can selectively turn on according to the demand of user or close.

In the present embodiment, the parameter of the first light source module 10, secondary light source module 20 and the 3rd light source module 30 is referred to form 1.In the parameter of the 1st group, secondary light source module 10 and the 3rd light source module 20 are closed, and the first light beam L1 ' that the first light source module 10 irradiates downwards has the harm of low blue light.With reference to the parameter of the 2nd group, it can be applicable to daytime, and the second light beam L2 ' and the 3rd light beam L3 ' owing to exposing to metope and ceiling have the higher physiological stimulation factor, by increasing physiological stimulation, can improve work and the learning efficiency.With reference to the 3rd group of parameter, owing to the second light beam L2 ' and the 3rd light beam L3 ' has the colour temperature of 6000K to 7000K, it can be applicable in work or study to reduce eyestrain degree.With reference to the 4th group of parameter, owing to the second light beam L2 ' and the 3rd light beam L3 ' has the colour temperature of 4000K to 5000K, human body can be made to be in the state loosened to set up.With reference to the 5th group of parameter, owing to the second light beam L2 ' and the 3rd light beam L3 ' has the relatively low physiological stimulation factor, can be applicable to work at home, reduce for physiological interference.With reference to the 6th group of parameter, owing to the reference color temperature of the second light beam L2 ' and the 3rd light beam L3 ' is 2500K to 3000K, it has the minimum physiological stimulation factor, is therefore applied to the house life at night, may be used to loosen health and do not affect the secretion of melatonin.With reference to the 7th group of parameter, select the secondary light source module 20 with high luminous efficiency and the 3rd light source module 30 can reach energy-conservation effect in order to space illumination.

Therefore, according to disclosing of this specification, those skilled in the art can manufacture illuminator 1 according to different demands.

Form 1:

Fig. 4 is the schematic diagram of the illuminator 1a of second embodiment of the present disclosure.Second embodiment is as follows with the Main Differences of first embodiment.Angle between the 3rd optical axis AX3 and vertical direction D1 ' of the 3rd light source module 30a is 30 degree to 60 degree, and angle above-mentioned in the present embodiment is about 45 degree, can thereby improve the energy utilization rate of the 3rd light source module 30a.

Fig. 5 is the schematic diagram of the illuminator 1b of third embodiment of the present disclosure.3rd embodiment is as follows with the Main Differences of first embodiment.In the third embodiment, and be not provided with the 3rd light source module 30.Angle between the second optical axis AX2 and vertical direction D1 ' of secondary light source module 20b is 35 degree to 70 degree, angle above-mentioned in the present embodiment is about 50 degree, the second light beam L2 ' of secondary light source module 20b is irradiated in the second illumination region Z2 and the 3rd illumination region Z3, namely it is irradiated in wall W1 ' and ceiling W2 ' simultaneously, can for less space or do not need too bright environment, it is provided that energy-conservation effect.

The pattern of above-mentioned illuminator is for strips such as the common pendent lamps of the Grille lamp common in office or school or square illustrates, but being not restricted to above-mentioned pattern, the outward appearance of illuminator also can be spherical (such as bulb lamp), the shape such as oval, trapezoidal.6th figure is the schematic diagram of the illuminator 1c of fourth embodiment of the present disclosure.Illuminator 1c can be a bulb lamp, and includes a load-carrying unit 40, and above-mentioned load-carrying unit 40 can be one spherical, and can made by the materials such as metal, plastic cement, glass.First light source module 10c is arranged at the top of the load-carrying unit 40 of illuminator 1c.Secondary light source module 20c and the 3rd light source module 30c is respectively arranged at the sidewall of load-carrying unit 40.The surface of load-carrying unit 40 is a ball shape curved surface, therefore by surface configuration respectively along load-carrying unit 40 of the first light source module 10c, secondary light source module 20c and the 3rd light source module 30c, the first light source module 10c, secondary light source module 20c and the 3rd light source module 30c can be made to irradiate different illumination regions respectively.

In sum, the illuminator of the disclosure have employed the blue light wafer that main crest value wave-length coverage is positioned between 461nm to 480nm, decreases and retina is endangered the wavelength between bigger 445nm to 460nm, can protect the eyes of user.Additionally optionally utilize secondary light source module to increase the brightness of environment and to strengthen the physiological stimulation factor, to improve the work efficiency of user.

In addition, illuminator disclosed in kenel and light source module is implemented in the second of the disclosure, also can first implementing illuminator in kenel and light supply apparatus, control it by a control unit each ratio forming light in light beam is provided as disclosed in this case such that it is able to provide colour temperature to be substantially the same according to demand, light that physiological stimulation value is different.Simultaneously; it is substantially the same colour temperature but when different physiological stimulation value even if being controlled in; in the light beam that illuminator in second enforcement kenel of the disclosure and light source module provide; owing to decreasing, retina is endangered the wavelength between bigger 445nm to 460nm; even if therefore under long-time use; it also is able to the eyes of protection user, and reduces the physiological stimulation to user.In other words, the first of the disclosure implement kenel with second implement kenel can be in conjunction with for the design of optical source wavelength, implement, with second, the function that kenel can reach reaching the first enforcement kenel simultaneously.

Although the disclosure is with embodiment openly as above; so it is not limited to the disclosure, and those skilled in the art, without departing from the spirit and scope of the disclosure; when doing a little change and retouching, therefore the protection domain of the disclosure is when being as the criterion depending on appended claims confining spectrum.

Claims (14)

1. a light supply apparatus, it is characterised in that including:

Light emitting module, it is provided that light, this light includes at least the first light and the second light；And

Control unit, makes the light that this light emitting module sends switch between this first light and second light, and wherein the physiological stimulation value of this second light is less than the physiological stimulation value of this first light, and the colour temperature of this second light and this first light is substantially the same,

Wherein this light emitting module comprises at least one first luminescence unit, at least one second luminescence unit and at least one 3rd luminescence unit, this first luminescence unit provides first time light, this second luminescence unit provides second time light, and the 3rd luminescence unit provide third time light, wherein at least one crest value scope of this first time light is more than 420nm and less than 480nm, at least one crest value scope of this second time light is more than 480nm and less than 540nm, and at least one crest value scope of this third time light is more than 540nm.

2. light supply apparatus as claimed in claim 1, this first light is including at least this first time light and this second time light；This second light is including at least this first time light and this third time light.

3. light supply apparatus as claimed in claim 2, wherein this first light more comprises this third time light.

4. light supply apparatus as claimed in claim 1, wherein this light emitting module also includes at least one 4th luminescence unit, and the 4th luminescence unit provides the 4th light, and at least one crest value scope of the 4th light is more than 590nm and less than 680nm.

5. light supply apparatus as claimed in claim 4, this first light comprises this first time light, this second time light and the 4th light；This second light comprises this first time light, third time light and the 4th light.

6. light supply apparatus as claimed in claim 4, this light emitting module also provides at least one 3rd light and at least one 4th light, this control unit makes the light that this light emitting module sends switch between this first light, this second light, the 3rd light and the 4th light, the physiological stimulation value of the 4th light is less than the physiological stimulation value of the 3rd light, and the 4th the colour temperature of light and the 3rd light be substantially the same, and the colour temperature of this first light and the 3rd light substantially differs.

7. light supply apparatus as claimed in claim 6,3rd light comprises this first time light, this second time light and the 4th light, and this first time light, second time light and the 4th light intensity portfolio ratio in the 3rd light are different from this first time light, this second time light and the 4th light intensity portfolio ratio in this first light；4th light comprises this first time light, this third time light and the 4th light, and this first time light, this third time light and the 4th light intensity in the 4th light are different from this first time light, this third time light and the 4th light intensity in this second light.

8. light supply apparatus as claimed in claim 6, wherein this control unit makes this light emitting module multiple different periods in a day switch to this first light, this second light, the 3rd light and the 4th light respectively.

9. light supply apparatus as claimed in claim 1, wherein this control unit makes this light emitting module multiple different periods in a day switch to this first light and this second light respectively.

10. light supply apparatus as claimed in claim 1, wherein this light supply apparatus also includes User's Interface, the signal of the operation corresponding to user that this control unit sends according to this User's Interface and determine this light that light emitting module provides.

11. light supply apparatus as claimed in claim 10, wherein this control unit makes light emitting module provide different this light respectively in multiple different times according to time management data, and wherein these time management data are relevant with the biologic clock of biology.

12. light supply apparatus as claimed in claim 11, wherein this light supply apparatus also includes data writing systems, these time management data are received by data writing systems by this control unit and are stored in memory element, and this control unit is by being loaded into these time management data to control this control unit from this memory element.

13. a light supply apparatus, it is characterised in that including:

Light emitting module, it is provided that light, this light includes at least the first light and the second light；And

Control unit, makes this light that this light emitting module sends switch between this first light and this second light, and wherein the physiological stimulation value of this first light has more more than the 5% of the physiological stimulation value of this second light than the physiological stimulation value of this second light,

Wherein this light emitting module comprises at least one first luminescence unit, at least one second luminescence unit and at least one 3rd luminescence unit, this first luminescence unit provides first time light, this second luminescence unit provides second time light, and the 3rd luminescence unit provide third time light, wherein at least one crest value scope of this first time light is more than 420nm and less than 480nm, at least one crest value scope of this second time light is more than 480nm and less than 540nm, and at least one crest value scope of this third time light is more than 540nm.

14. an illuminator, it is characterised in that including:

First light source, in order to provide the first light, it has the first physiological stimulation value；And

Secondary light source, in order to provide the second light, it has the second physiological stimulation value,

Wherein, this first light and this second light have the colour temperature being substantially the same, and this first physiological stimulation value is different from this second physiological stimulation value,

Wherein this first light source has at least one first luminescence unit and at least one second luminescence unit, this secondary light source has this at least one first luminescence unit and at least one 3rd luminescence unit, this first luminescence unit provides first time light, this second luminescence unit provides second time light, and the 3rd luminescence unit provide third time light, wherein at least one crest value scope of this first time light is more than 420nm and less than 480nm, at least one crest value scope of this second time light is more than 480nm and less than 540nm, at least one crest value scope of this third time light is more than 540nm.