CN102072439B - Light source module and backlight device - Google Patents
Light source module and backlight device Download PDFInfo
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- CN102072439B CN102072439B CN2010105368261A CN201010536826A CN102072439B CN 102072439 B CN102072439 B CN 102072439B CN 2010105368261 A CN2010105368261 A CN 2010105368261A CN 201010536826 A CN201010536826 A CN 201010536826A CN 102072439 B CN102072439 B CN 102072439B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a light source module which is applicable for a backlight device. The light source module comprises a plurality of light source groups, wherein each light source group comprises at least one first light-emitting diode of a first chromaticity under a first wavelength scope and at least one second light-emitting diode of a second chromaticity under a second wavelength scope, and the chromaticity of mixed light rays respectively emitted from the first light-emitting diode and the second light-emitting diode, which pass through an optical glass component group, is identical to the chromaticity of the light rays from the light-emitting diode of an intermediate chromaticity under the first wavelength scope or the light rays from the light-emitting diode of the intermediate chromaticity under the second wavelength scope after passing through the optical glass component group. By virtue of the light source module, the utilization rate of the selected light-emitting diode can be improved and the cost is effectively reduced.
Description
Technical field
The invention relates to a kind of light source module and back lighting device, particularly relevant for a kind of light source module and back lighting device that improves the light emitting diode utilization rate.
Background technology
(Liquid Crystal Display LCD) comprises that back lighting device and liquid crystal panel that back light, glue frame and diffuser plate etc. constitute reach preceding frame assembling and the Liquid Crystal Module of formation to liquid crystal indicator.Because the low-power consumption of light emitting diode, not mercurous characteristic, (Cold Cathode Fluorescent Lamp CCFL) was promptly replaced by light emitting diode (LED) more for the back light of the liquid crystal indicator cathode fluorescent tubes that adopt in the past.
At present, adopt the display of light emitting diode, all light emitting diode is arranged on and forms a light source module (Lightbar) on PCB or the flexible PCB as light source.And for the light emitting diode in the light source module; Can screen in order to light emitting diode finished product of LED with a predetermined specification and classify volume production; The performance indications of usually light emitting diode being classified comprise: the brightness of light emitting diode, colourity, wavelength or forward voltage etc., and then light emitting diode carried out classification.The panel manufacturer can select to be sorted in the light emitting diode in a certain main colourity rank (bin) usually; The light source that the previous light emitting diode that only meets the colourity specification just can be applicable to; Other light emitting diode of all the other gamut of chromaticities just can't be used; Therefore, it is too small to cause the light emitting diode quantity of selected use to account for the ratio of volume production total amount.
As shown in Figure 1, Fig. 1 is the sorting colourity rank figure of light emitting diode.Wherein A3 is the white light colourity rank of demand, and the color that A1 and A2 appear is blue partially than the demand white light, and the color that A4 and A5 appear is yellow partially than the white light of demand.In order to improve the utilization rate of light emitting diode, select the complementary mutually light emitting diode of colourity colourity that rank appears, and it is arranged on the same light source module with mixing, to blend the whole luminescent chromaticity of an expection.For instance; For each light emitting diode of producing in batches out 32 of more efficient application; It is the light emitting diode of A5 that adjacent light emitting diode can be selected colourity rank A1 and colourity rank respectively for use; Or select the light emitting diode of colourity rank A2 and colourity rank A4 respectively for use, make that the mixed colourity rank of adjacent two light emitting diodes is A3.But; Because the light emitting diode of volume production each time; The colourity rank of output is not a symmetry; The output quantity of light emitting diode of light emitting diode and colourity rank A5 that is to say colourity rank A1 is unequal, and the output quantity of the light emitting diode of the light emitting diode of colourity rank A2 and colourity rank A4 is unequal, therefore causes the light emitting diode of producing each time to be fully used.
Therefore, be necessary to provide a kind of light source module and back lighting device, to solve the existing in prior technology problem.
Summary of the invention
One of the object of the invention is to provide a kind of light source module, and it utilizes to the colourity rank (COLOR BIN) of light emitting diode and is configured.
For reaching aforementioned purpose of the present invention; The present invention provides a kind of light source module; Said light source module comprises a plurality of light sources; Said light sources comprises at least one first light emitting diode and at least one second light emitting diode; The light that said first light emitting diode sends has the first identical colourity under first wave-length coverage; The light that said second light emitting diode sends has the second identical colourity under second wave-length coverage; It is identical that the light that the light that said first light emitting diode sends and said second light emitting diode send mixes the colourity that light that the light emitting diode of light that the light emitting diode through the middle colourity under the colourity after the optical glass device group and said first wave-length coverage sends or the middle colourity under said second wave-length coverage sends passes through after the said optical glass device group; The median of a plurality of colourities under said first wave-length coverage is represented the middle colourity under said first wave-length coverage; Said first colourity is one of them colourity of a plurality of colourities under said first wave-length coverage, and the median of a plurality of colourities under said second wave-length coverage is represented the middle colourity under said second wave-length coverage, and said second colourity is one of them colourity of a plurality of colourities under said second wave-length coverage.
Two of the object of the invention is to provide a kind of side entrance back device; This side entrance back device comprises a light source module; Said light source module comprises a plurality of light sources; Said light sources comprises at least one first light emitting diode and at least one second light emitting diode; The light that said first light emitting diode sends has first colourity under first wave-length coverage; The light that said second light emitting diode sends has second colourity under second wave-length coverage; It is identical that the light that the light that said first light emitting diode sends and said second light emitting diode send mixes the colourity that light that the light emitting diode of light that the light emitting diode through the colourity after the optical glass device group and the middle colourity under first wave-length coverage sends or the middle colourity under second wave-length coverage sends passes through after the said optical glass device group; The median of a plurality of colourities under said first wave-length coverage is represented the middle colourity under said first wave-length coverage; Said first colourity is one of them colourity of a plurality of colourities under said first wave-length coverage, and the median of a plurality of colourities under said second wave-length coverage is represented the middle colourity under said second wave-length coverage, and said second colourity is one of them colourity of a plurality of colourities under said second wave-length coverage.
Three of the object of the invention is to provide a kind of downward back electro-optical device; This downward back electro-optical device comprises a light source module; Said light source module comprises a plurality of light sources; Said light sources comprises at least one first light emitting diode and at least one second light emitting diode; The light that said first light emitting diode sends has first colourity under first wave-length coverage; The light that said second light emitting diode sends has second colourity under second wave-length coverage; It is identical that the light that the light that said first light emitting diode sends and said second light emitting diode send mixes the colourity that light that the light emitting diode of light that the light emitting diode through the colourity after the optical glass device group and the middle colourity under first wave-length coverage sends or the middle colourity under second wave-length coverage sends passes through after the said optical glass device group; The median of a plurality of colourities under said first wave-length coverage is represented the middle colourity under said first wave-length coverage; Said first colourity is one of them colourity of a plurality of colourities under said first wave-length coverage, and the median of a plurality of colourities under said second wave-length coverage is represented the middle colourity under said second wave-length coverage, and said second colourity is one of them colourity of a plurality of colourities under said second wave-length coverage.
According to the light source module of made of the present invention and the back lighting device that adopts light source module of the present invention; Not only can improve the utilization rate of the light emitting diode that back lighting device need adopt; And no longer be subject to like prior art, must select one group of light emitting diode of same rank (bin) for use, can improve effectively when making back lighting device and light source module; The utilization rate of the light emitting diode that adopts reduces cost.
Description of drawings
Fig. 1 is the sorting colourity rank figure of traditional light emitting diode.
Fig. 2 is the sorting colourity rank figure of light emitting diode of the present invention.
Fig. 3 is the sketch map of the light source module of first embodiment of the invention.
Fig. 4 is the sketch map of the light source module of second embodiment of the invention.
Fig. 5 is the sketch map of the light source module of third embodiment of the invention.
Fig. 6 is the sketch map of the light source module of fourth embodiment of the invention.
Fig. 7 is the sketch map of the light source module of fifth embodiment of the invention.
Fig. 8 is the sketch map of the light source module of sixth embodiment of the invention.
Fig. 9 is a side entrance back schematic representation of apparatus of the present invention.
Figure 10 is a direct-type backlight schematic representation of apparatus of the present invention.
The specific embodiment
For making above-mentioned purpose of the present invention, characteristic and advantage more obviously understandable, hereinafter is special lifts preferred embodiment of the present invention, and conjunction with figs., elaborates as follows:
Please with reference to Fig. 2, Fig. 2 is the sorting colourity rank figure of light emitting diode of the present invention.The light emitting diode of arbitrary batch process can be distinguished the colourity rank of various grades after the sorting of chromatic value specification.For instance; The first wave-length coverage Wp1 of first group of light emitting diode is about 440-445nm; The second wave-length coverage Wp2 of second group of light emitting diode is about 445-451nm; Wherein A1-A5 distributes for the colourity rank under the wave-length coverage Wp1, and B1-B5 is that wave-length coverage is the colourity rank distribution under the Wp2.Because the metamerism phenomenon, even under the same colourity, the wavelength spectral line that emits beam of light emitting diode is still variant slightly.For instance, finally show identical colourity for making liquid crystal indicator, light emitting diode need be A3 in the white point colourity under the first wave-length coverage Wp1; White point colourity under the second wave-length coverage Wp2 is B3.Generally speaking, each wave-length coverage Wp1, Wp2 are middle colourity in the colourity rank (for example A3 and B3) in centre position, and the luminescent chromaticity that this centre colourity is appeared is essentially white light.Be as the criterion with A3 or B3 and then more and more be partial to blue light (cool colour light), then more and more be partial to ruddiness (warm colour light) towards the colourity of direction shown in the arrow D towards the colourity of direction shown in the arrow C.
See also Fig. 2 and Fig. 3, Fig. 3 is the sketch map of the light source module 30a of first embodiment of the invention.Light source module 30a is made up of a plurality of light sources 301 and a plurality of light sources 301 is arranged on the circuit substrate 40.For each light emitting diode of producing in batches out of more efficient application; When the light emitting diode of producing in batches is respectively first group of light emitting diode and second group of light emitting diode, wherein first group of light emitting diode is that first wave-length coverage Wp1 (for example 440-445nm) and the colourity rank under wave-length coverage Wp1 are distributed as A1-A5; The second wave-length coverage Wp2 (for example 445-451nm) of second group of light emitting diode and the colourity rank under the wave-length coverage Wp2 are distributed as B1-B5.Each light sources 301 comprises two light emitting diodes 321,322, and light emitting diode 321,322 is staggered one to one.Light emitting diode 321,322 is selected the light emitting diode of colourity rank A1 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B5 of second group of light emitting diode (wave-length coverage Wp2) respectively for use; Or select the light emitting diode of colourity rank A2 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B4 of second group of light emitting diode (wave-length coverage Wp2) respectively for use; Or select the light emitting diode of colourity rank A4 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B2 of second group of light emitting diode (wave-length coverage Wp2) respectively for use, or select the light emitting diode of colourity rank A5 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B1 of second group of light emitting diode (wave-length coverage Wp2) respectively for use.It is identical that light that light emitting diode 321,322 after the combinations thereof sends mixes the colourity that light through the light emitting diode of the light of the middle colourity light emitting diode A3 under the colourity after the optical glass device group and first wave-length coverage or the middle colourity B3 under second wave-length coverage passes through behind the said optical glass device.
See also Fig. 2 and Fig. 4, Fig. 4 is the sketch map of the light source module 30b of second embodiment of the invention.Be different from previous embodiment, light source module 30b is made up of a plurality of light sources 302 and a plurality of light sources 302 is arranged on the circuit substrate 40.Each light sources 302 comprises two light emitting diodes 321 and two light emitting diodes 322, and two light emitting diodes 321 and two light emitting diodes 322 are two pairs two and are staggered.Light emitting diode 321 is selected the light emitting diode of colourity rank A1 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B5 of second group of light emitting diode (wave-length coverage Wp2) respectively for use with light emitting diode 322; Or select the light emitting diode of colourity rank A2 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B4 of second group of light emitting diode (wave-length coverage Wp2) respectively for use; Or select the light emitting diode of colourity rank A4 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B2 of second group of light emitting diode (wave-length coverage Wp2) respectively for use, or select the light emitting diode of colourity rank A5 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B1 of second group of light emitting diode (wave-length coverage Wp2) respectively for use.It is identical that light that light emitting diode 321,322 after the combinations thereof sends mixes the colourity that light through the light emitting diode of the light of the middle colourity light emitting diode A3 under the colourity after the optical glass device group and first wave-length coverage or the middle colourity B3 under second wave-length coverage passes through behind the said optical glass device.
See also Fig. 2 and Fig. 5, Fig. 5 is the sketch map of the light source module 30c of third embodiment of the invention.Light source module 30c is made up of a plurality of light sources 303 and a plurality of light sources 303 is arranged on the circuit substrate 40.Each light sources 303 comprises one first light emitting diode 321, one second light emitting diode 322 and one the 3rd light emitting diode 323.Light emitting diode 321 is identical with previous embodiment with the mode that light emitting diode 322 is selected for use, does not give unnecessary details in addition at this.The 3rd light emitting diode 323 then is to select the light emitting diode of colourity rank A3 in first group of light emitting diode (wave-length coverage Wp1) or the light emitting diode of the middle colourity rank B3 of second group of light emitting diode (wave-length coverage Wp2) for use.The colourity of passing through behind the said optical glass device through the light of the light emitting diode of the light of the middle colourity light emitting diode A3 under the colourity after the optical glass device group and first wave-length coverage or the middle colourity B3 under second wave-length coverage after thus, the light that sends of the light emitting diode after the combinations thereof 321,322,323 mixes is identical.The ordering of light emitting diode 321,322,323 does not exceed with shown in Figure 5, and for example, light emitting diode 323 also can come light emitting diode 321, between 322.
Fig. 6 is the sketch map of the light source module 30d of fourth embodiment of the invention.Light source module 30d is made up of a plurality of light sources 501 and a plurality of light sources 501 is arranged on the circuit substrate 50.Light sources 501 comprises first light emitting diode 321 and second light emitting diode 322, and light emitting diode 321,322 selections and arrangement mode and embodiment shown in Figure 3 are identical, do not give unnecessary details in addition at this.
Fig. 7 is the sketch map of the light source module 30e of fifth embodiment of the invention.Light source module 30e is made up of a plurality of light sources 502 and a plurality of light sources 502 is arranged on the circuit substrate 50.Light sources 502 comprises two first light emitting diodes 321 and two second light emitting diodes 322, and light emitting diode 321,322 selections and arrangement mode and embodiment shown in Figure 4 are identical, do not give unnecessary details in addition at this.
Fig. 8 is the sketch map of the light source module 30f of sixth embodiment of the invention.The light source module 30f of Fig. 8 is made up of a plurality of light sources 503 and a plurality of light sources 503 is arranged on the circuit substrate 50.Light sources 503 comprises first light emitting diode 321, second light emitting diode 322 and the 3rd light emitting diode 323, and light emitting diode 321,322,323 selections and arrangement mode and embodiment shown in Figure 5 are identical, do not give unnecessary details in addition at this.
Fig. 6- light source module 30d, 30e, 30f shown in Figure 8 can also be merged and formed by a plurality of Fig. 3-30a, 30b, 30c shown in Figure 5.In addition, Fig. 3-light emitting diode 321,322,323 shown in Figure 8 is arranged on soft printed circuit board or the circuit substrates 40,50 such as rigid printed circuit board (PCB) or metal substrate.
The foregoing description is that the colourity with target light is that white light is as explanation.In other embodiments, also can be optionally with the light of different wave length for example blue light, ruddiness, green glow etc. as the light of target colourity.Then again the light emitting diode of volume production is complied with the light emitting diode that its corresponding wavelength scope is divided into the different wavelength range more than two groups, from the light emitting diode more than two groups, respectively selecting a light emitting diode to be mixed into the light sources of the light that meets target colourity at last.
Please with reference to Fig. 9, Fig. 9 is the sketch map that light source module 30 of the present invention is applied to side entrance back device 100.Light source module 30 is to be selected from one of them of light source module 30a-30f.Side entrance back device 100 comprises LGP 20 and light source module 30.Light source module 30 is arranged on four sides of LGP 20, is used for sending the light of specific target colourity.In the present embodiment, light source module 30 is arranged on four sides of LGP 20, and in other embodiments, light source module 30 also can be provided with by arbitrary side of LGP 20, appoint by other or wantonly three sides, two sides.LGP 20 can be plane, broached-tooth design face in the face of the incidence surface 201 of light source module 30, or has a plurality of concave surfaces or a plurality of convex surface.
Please with reference to Figure 10, Figure 10 is the sketch map that light source module 30 of the present invention is applied to downward back electro-optical device 200.LED backlight device 200 comprises LGP 20 and light source module 30.Light source module 30 is to be selected from one of them of light source module 30a-30f.Light source module 30 is arranged on the bottom of LED backlight device 200, LGP 20 overlapping being arranged on the light source module 30.LGP 20 can be plane, broached-tooth design face in the face of the incidence surface of light source module 30, or has a plurality of concave surfaces or a plurality of convex surface.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is merely the example of embodiment of the present invention.Must be pointed out that disclosed embodiment does not limit scope of the present invention.On the contrary, being contained in the spirit of claims and the modification and impartial setting of scope includes in scope of the present invention.
Claims (9)
1. light source module; It is characterized in that; Said light source module comprises a plurality of light sources; Said light sources comprises at least one first light emitting diode and at least one second light emitting diode; The light that said first light emitting diode sends has the first identical colourity under first wave-length coverage; The light that said second light emitting diode sends has the second identical colourity under second wave-length coverage; It is identical that the light that the light that said first light emitting diode sends and said second light emitting diode send mixes the colourity that light through the light emitting diode of the light of the middle colourity light emitting diode under the colourity after the optical glass component group and said first wave-length coverage or the middle colourity under said second wave-length coverage passes through behind the said optical glass component; The median of a plurality of colourities under said first wave-length coverage is represented the middle colourity under said first wave-length coverage; Said first colourity is one of them colourity of a plurality of colourities under said first wave-length coverage, and the median of a plurality of colourities under said second wave-length coverage is represented the middle colourity under said second wave-length coverage, and said second colourity is one of them colourity of a plurality of colourities under said second wave-length coverage.
2. light supply apparatus as claimed in claim 1 is characterized in that: said first light emitting diode and said second light emitting diode of each light sources are to be staggered one to one.
3. light source module as claimed in claim 1 is characterized in that: each light sources comprises two first light emitting diodes and two second light emitting diodes, and said two first light emitting diodes two second light emitting diodes adjacent one another are, said are adjacent one another are.
4. light source module as claimed in claim 1; It is characterized in that: each light sources further comprises one the 3rd light emitting diode; Said the 3rd light emitting diode is to be selected from the light emitting diode that meets said middle colourity under said first wave-length coverage, or is selected from the light emitting diode that meets said middle colourity under said second wave-length coverage.
5. like claim 2,3 or 4 described light source modules, it is characterized in that: said light source module is strip.
6. like claim 2,3 or 4 described light source modules, it is characterized in that: said light source module is block.
7. light source module as claimed in claim 1 is characterized in that: the light of colourity is white light in the middle of said.
8. side entrance back device, it is characterized in that: said side entrance back device comprises like the described light source module of arbitrary claim in the claim 1 to 7.
9. downward back electro-optical device, it is characterized in that: said downward back electro-optical device comprises like the described light source module of arbitrary claim in the claim 1 to 7.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105368261A CN102072439B (en) | 2010-11-05 | 2010-11-05 | Light source module and backlight device |
| US12/997,904 US20120113681A1 (en) | 2010-11-05 | 2010-11-26 | Lightbar module and backlight device |
| PCT/CN2010/079152 WO2012058829A1 (en) | 2010-11-05 | 2010-11-26 | Light source module and backlight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105368261A CN102072439B (en) | 2010-11-05 | 2010-11-05 | Light source module and backlight device |
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| Publication Number | Publication Date |
|---|---|
| CN102072439A CN102072439A (en) | 2011-05-25 |
| CN102072439B true CN102072439B (en) | 2012-11-21 |
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| CN2010105368261A Active CN102072439B (en) | 2010-11-05 | 2010-11-05 | Light source module and backlight device |
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| CN (1) | CN102072439B (en) |
| WO (1) | WO2012058829A1 (en) |
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| CN103133939B (en) * | 2011-11-30 | 2015-02-04 | 展晶科技(深圳)有限公司 | Light source structure of backlight module |
| JP5781631B2 (en) * | 2012-01-31 | 2015-09-24 | シャープ株式会社 | LED classification method, LED classification apparatus, LED classification program, and recording medium |
| CN104914623A (en) | 2015-06-19 | 2015-09-16 | 深圳市华星光电技术有限公司 | Light-emitting unit and backlight source with light-emitting units |
| CN110308589B (en) * | 2019-06-28 | 2023-05-05 | 上海天马微电子有限公司 | Manufacturing method of light-emitting device, backlight module and display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101206345A (en) * | 2007-12-13 | 2008-06-25 | 友达光电股份有限公司 | Backlight module with complementary concolores light source and manufacturing method thereof |
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| JP4201167B2 (en) * | 2002-09-26 | 2008-12-24 | シチズン電子株式会社 | Manufacturing method of white light emitting device |
| US8018427B2 (en) * | 2006-04-28 | 2011-09-13 | Sharp Kabushiki Kaisha | Illumination device and liquid crystal display device provided therewith |
| JP2008281976A (en) * | 2007-04-09 | 2008-11-20 | M & S Fine Tec Kk | Backlight for liquid crystal display device |
| CN101464593B (en) * | 2007-12-19 | 2010-10-27 | 上海天马微电子有限公司 | Light source device and liquid crystal display device using the same |
| CN101363577B (en) * | 2008-09-25 | 2011-05-04 | 友达光电股份有限公司 | Backlight module using combined light source module and method for manufacturing same |
| CN101806415A (en) * | 2010-03-08 | 2010-08-18 | 友达光电股份有限公司 | Photoelectric device, display and backlight module |
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|---|---|---|---|---|
| CN101206345A (en) * | 2007-12-13 | 2008-06-25 | 友达光电股份有限公司 | Backlight module with complementary concolores light source and manufacturing method thereof |
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| WO2012058829A1 (en) | 2012-05-10 |
| CN102072439A (en) | 2011-05-25 |
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