CN102767726A - LED (light emitting diode) signal lamp - Google Patents
LED (light emitting diode) signal lamp Download PDFInfo
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- CN102767726A CN102767726A CN2012102649652A CN201210264965A CN102767726A CN 102767726 A CN102767726 A CN 102767726A CN 2012102649652 A CN2012102649652 A CN 2012102649652A CN 201210264965 A CN201210264965 A CN 201210264965A CN 102767726 A CN102767726 A CN 102767726A
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Abstract
The invention relates to an LED (light emitting diode) signal lamp. The LED signal lamp comprises at least a white light LED illuminator and at least an optical filter, wherein the optical filter is respectively arranged on a light path of the white light LED illuminator so as to filter at least part of light emitted by the white light LED illuminator to a colored monochromatic light, thereby a colored light signal lamp is formed by using the white light LED illuminator, and the illumination efficiency is improved. The LED signal lamp provided by the invention is simple in structure; and with the adoption of the LED signal lamp, the cost is saved.
Description
Technical field
The present invention relates to a kind of signal lamp, particularly a kind of is the signal lamp of light source with the white light LEDs.
Background technology
Signal lamp such as warning lamp, the effect that navigation light etc. use colourama to give caution and remind usually.For example public security fire-fighting usually uses red indigo plant to replace the warning lamp of light, and engineering construction is speedily carried out rescue work etc. and to be used yellow warning lamp, and ambulance is generally used blue alarming lamp.In order to strengthen warning function, warning lamp also provides flash of light, and it can the continuous rotation of half of anti-dazzling screen presents the flash of light apperance or in chip, being provided with flasher circuit realizes through driving with small machine.
In recent years; LED is as the new type light source after incandescent lamp, fluorescent lamp and gas-discharge lamp; The unexistent many advantages of other lighting sources are arranged self, such as low-voltage, long-life, volume are little, in light weight, response is fast, radiationless, pollution-free and anti-various mal-conditions etc.Therefore the signal lamp that with LED is light source is a new trend.
Signal lamp generally adopts colourama to show the effect of distinguishing and playing vigilance.For example traditional LED signal lamp can utilize the red light chips that is encapsulated in the Transparent lamp shade, and blue chip, gold-tinted chip produce corresponding ruddiness, blue light, gold-tinted.But because existing research direction mainly concentrates on the white light LEDs, and rarely in these red light chips of independent research, blue chip, gold-tinted chip.That is to say; The effective luminous flux of white light LEDs can reach a higher numerical value and now in constantly improving; But the effective luminous flux of these color LED chips still maintains lower numerical value, is relatively low thereby through installation color LED chip the efficient of colourama is provided.
In addition; Existing research also mainly concentrates on the luminous flux that improves the led chip light source; And rarely to the improvement of the unitary physical structure of LED light fixture to reduce light loss, that is to say that existing research seldom reduces the illumination blind area through the structure of optimizing the LED light fixture; And reach the optically focused effect, thereby improve the luminous efficiency of LED lamp.
Summary of the invention
Main purpose of the present invention is; A kind of LED signal lamp is provided; It is a light source with the white light LEDs illuminator; The opticpath of said white light LEDs illuminator light source is provided with filter, and said filter is filtered into non-white light with the light of part at least of said white light LEDs illuminator, thereby utilizes the white light LEDs illuminator to form non-white light signal lamp.
Another object of the present invention is to, a kind of LED signal lamp is provided, it comprises the said filter of said white light LEDs illuminator that multiple row head and the tail arrange in order and corresponding multiple row, thereby makes said multiple row white light LEDs illuminator provide uniform ring to penetrate light.
Another object of the present invention is to; A kind of LED signal lamp is provided; Said filter is positioned at said white light LEDs illuminator front and has near the position of optically focused effect for the white light LEDs illuminator; Thereby can produce the effect of optically focused, said filter of while or filter are to play the effect that the white light that said white light LEDs illuminator is sent is filtered into colour signal light.That is to say that the filter of LED signal lamp of the present invention can play two effects, optically focused and color filterings.
Another object of the present invention is to, a kind of LED signal lamp is provided, for each said white light LEDs illuminator; It provides a filter and a reflective surface; Light so that the LED illuminator is sent converges, thereby with respect to using the color LED illuminator, intensity of illumination is enhanced.
Another object of the present invention is to; A kind of LED signal lamp is provided, and in prior art, signal lamp uses the color LED chip to make light source; In order to make luminous flux up to standard; Reduce decay and adopt transparent housing, LED signal lamp of the present invention can directly use the outer cover of required color, can use colored outer cover; Thereby after the light that said white light LEDs illuminator sends penetrates the colourama distributor, form the higher relatively colourama of purity, and colourama outer cover itself just can play the effect of decorating or warning.
Another object of the present invention is to; A kind of LED signal lamp is provided, in prior art, uses colourama LED illuminator to be light source, for example yellow light LED; Just decay about 50% within 30 minutes; LED signal lamp of the present invention is a light source with the white light LEDs illuminator, and white light LEDs does not have decay basically, thereby makes LED signal lamp of the present invention can obtain higher relatively light intensity.
Another object of the present invention is to, a kind of LED signal lamp is provided, it replaces colourama LED illuminator such as red-light LED illuminator with said white light LEDs illuminator, the blue-ray LED illuminator, and yellow light LED illuminator etc., simple in structure, make easily, with low cost.
For reaching above purpose, the present invention provides a kind of LED signal lamp, and it comprises:
At least one white light LEDs illuminator and
At least one filter, said at least one filter is separately positioned on the opticpath of said at least one white light LEDs illuminator, is filtered into the light of the predetermined color of non-white light with the light of part at least with said white light LEDs illuminator emission.
In one embodiment, said filter is positioned on the position with optically focused effect on the opticpath of corresponding said white light LEDs illuminator, thereby plays the effect of optically focused effect and the light transmission that allows said predetermined color simultaneously.
In one embodiment, said filter comprises the lens with optically focused effect, and preferably, said lens are convex lens or the Fresnel Lenses with optical filtering performance.
In one embodiment, said LED signal lamp also comprises at least one reflective surface, from the light of the emission of the said white light LEDs illuminator of correspondence arrive said reflective surface and the back that is reflected along identical direction projection, thereby play the effect of converging light.
In one embodiment, the light after the reflection of said reflective surface throws along identical direction with light after said filter filters.
In one embodiment, said reflective surface is the inner surface of a reflex reflector.
In one embodiment, every said white light LEDs illuminator also is provided with a heat abstractor, and said heat abstractor comprises radiating circuit plate and the fin that is connected to said radiating circuit plate, and said white light LEDs illuminator is connected in said radiating circuit plate.
In one embodiment, every said white light LEDs illuminator also is provided with a heat abstractor, and said reflective surface is the inner surface of said heat abstractor.
In one embodiment, said LED signal lamp also comprises a housing, and said housing comprises a light distributor, and said light distributor only allows the light transmission of said predetermined color.
In one embodiment, said light distributor further plays the effect that distributes the ray cast direction.
In one embodiment, every said filter is able to installation in position by at least one installation component with corresponding said radiating circuit plate or said light distributor.
In one embodiment, said at least one white light LEDs illuminator is aligned to provides the light that encircles 360 ° of angular ranges penetrating.
In one embodiment; Said at least one white light LEDs illuminator is aligned to and comprises the said white light LEDs illuminator of multiple row; The said white light LEDs illuminator of every row comprises one or more said white light LEDs illuminators; The straight line at the said white light LEDs illuminator of multiple row place intersects to be arranged in polygonal shape, so that said white light LEDs illuminator provides ring to penetrate flashlight.
The straight line at the said white light LEDs illuminator of multiple row place intersects to be arranged in the shape of regular polygon, and said regular polygon is selected from: equilateral triangle, square, regular hexagon, octagon and dodecagon a kind of.
Said predetermined color is selected from a kind of in redness, blueness, yellow, green and the purple.
Said LED signal lamp is selected from a kind of in warning lamp, navigation light, aviation obstruction beacon and the ship's navigation lamp.
According to a further aspect of the invention, the present invention provides a kind of formation method of LED signal lamp, and said method comprises the steps:
(a) be stimulated through at least one white light LEDs illuminator white light is provided; With
(b) the said white light of part at least in the said white light is filtered into non-white light.
Description of drawings
Fig. 1 is the decomposing schematic representation of LED signal lamp according to a preferred embodiment of the present invention.
Fig. 2 is the schematic perspective view according to the LED signal lamp of above-mentioned preferred embodiment of the present invention.
Fig. 3 is the cutaway view according to the LED signal lamp of above-mentioned preferred embodiment of the present invention.
Fig. 4 is the internal structure sketch map according to the LED signal lamp of above-mentioned preferred embodiment of the present invention.
Fig. 5 is the cutaway view according to the LED signal lamp of above-mentioned preferred embodiment of the present invention, shows that the light that sends from the white light LEDs illuminator is converged and be filtered into the color that needs behind filter.
Fig. 6 is the local amplification view according to the LED signal lamp of another preferred embodiment of the present invention.
The specific embodiment
As Fig. 1 to shown in Figure 5 be according to a preferred embodiment of the present invention LED signal lamp.In the present embodiment, said LED signal lamp can be warning lamp, and it comprises a plurality of light sources and is arranged on a plurality of filters 20 of the correspondence on said a plurality of source path.
According to the present invention, said a plurality of light sources are a plurality of white light LEDs illuminators 10.Said a plurality of white light LEDs illuminator 10 can be buied from market, for example can be commercially available how chip-shaped white light LEDs illuminator.Said a plurality of filter 20 lays respectively on the opticpath of said a plurality of white light LEDs illuminators 10; For example; Said a plurality of filter 20 lays respectively at a side of said a plurality of white light LEDs illuminators 10, and the white light of part at least that each said white light LEDs illuminator 10 is sent is filtered into non-white light, thereby obtains the signal lamp of non-white light; In the present embodiment, that is to say and obtain non-white light warning lamp.Particularly, said a plurality of filters 20 white light of part at least that can respectively said a plurality of white light LEDs illuminators 10 be sent is filtered into ruddiness, blue light, green glow; Gold-tinted, monochromatic light such as purple light, thus obtain ruddiness, blue light respectively; Green glow, gold-tinted, the signal lamp of purple light; In the present embodiment, the white light of part at least that said a plurality of filters 20 can send said a plurality of white light LEDs illuminators 10 respectively is filtered into ruddiness or gold-tinted, thereby ruddiness or gold-tinted warning lamp can be provided.
Cue light of the present invention obtains colour signal light through the light that filters said a plurality of white light LEDs illuminator 10 and send; And the light source of white light LEDs is easy to obtain on the existing market; And make light source with respect to direct with the color LED illuminator, LED signal lamp of the present invention obtains higher light intensity more easily.For example higher luminous flux for example the white LED light source of every watt 150 lumen (lm) be to be easy on market, buy; After being filtered into colourama through said filter 20, the light intensity of resulting colourama still is higher than the light intensity of the resulting colourama of independent employing colourama led chip.The yellow warning lamp in the present embodiment for example; After being filtered into sodium yellow through said filter 20; Also remaining about 60%, then still have the gold-tinted of every watt of about 90 lumens (lm), still the luminous flux than the gold-tinted of selling on the market that obtains as light source with the yellow light LED illuminator is high for it.
" filtration " among the present invention refers to, and after the light that said a plurality of white light LEDs illuminators 10 send passes through corresponding said a plurality of filters 20 respectively, has to the monochromatic light of the predetermined color of non-white light; Described predetermined color can be above-mentioned redness; Blueness, green, yellow etc.
Because can having reached, the white light LEDs illuminator 10 on the market has higher luminous flux; And on the market to the research of white light LEDs illuminator 10 also in constantly carrying out; Thus; Luminous flux as the white light LEDs illuminator 10 of light source can continue to improve, and also less to 10 researchs of color LED illuminator, its luminous flux also is in lower numerical value.Thereby, as light source, obtaining the signal lamp of colourama with the white light LEDs illuminator, the white light LEDs illuminator of highlight channel amount can directly be bought from market and obtain, thus its manufacturing process is simple relatively.
What deserves to be mentioned is that LED signal lamp of the present invention comprises the said white light LEDs illuminator 10 of at least two row, for example as an example; The LED signal lamp comprises three row, four row, six row; Eight row, or 12 row etc. said white light LEDs illuminator 10, each row comprises one or more white light LEDs illuminators 10.The straight line at said multiple row white light LEDs illuminator 10 places intersects to form equilateral triangle, square, regular hexagon, octagon or dodecagon thereby said multiple row white light LEDs illuminator 10 is arranged in order.Certainly; Said multiple row white light LEDs illuminator 10 can not be arranged in regular polygon; Each row also can be provided with and other said white light LEDs illuminators 10 that is listed as different numbers as required, and the present invention is unrestricted in this regard, can be provided with according to concrete needs during practical application.
What can reckon with is; The row of the said white light LEDs illuminator 10 that provides are many more; Number is many more; The light that these white light LEDs illuminators 10 are produced is ring more and penetrates shape, the bright areas of the light that throws away and can be superimposed to greatest extent than dark areas, thus the even illumination of 360 ° of angles can be provided.Signal lamp of the present invention can be that ring is penetrated the LED signal lamp; Here " ring is penetrated " refers to the light that these white light LEDs illuminators 10 are aligned to be provided along the circumference projection; Certainly preferably, these white light LEDs illuminators 10 are aligned to the projection light in 360 ° of angular ranges that provide along the circumferential direction.Selectively, according to some concrete needs, the wherein a certain row in the said white light LEDs illuminator 10 of these multiple rows or some are listed as said white light LEDs illuminator 10 and are removed, thereby can on some directions or several direction, illumination be provided as required.That is to say that LED signal lamp of the present invention also can provide the for example illumination of 180 ° or 270 ° angular ranges as required.
What deserves to be mentioned is that these said filters 20 that are listed as the correspondence of said white light LEDs illuminator 10 can be filtered into various colors with the light of said white light LEDs illuminator 10.For example be provided with red filter 20 in said white light LEDs illuminator 10 correspondences of three row in the said white light LEDs illuminator 10 of six row; And being listed as said white light LEDs illuminator 10 correspondences, its excess-three is provided with light filter of blue light 20; Said LED signal lamp further includes a controller 11, and it can be through the folding of control circuit, and the said white light LEDs illuminator 10 of six row is optionally opened; Thereby ruddiness or blue light are provided, ruddiness that perhaps can replace and blue light respectively.At this moment, the outer cover of LED signal lamp can be transparent.
In the present embodiment; Instance as a warning lamp; This warning lamp comprises the said white light LEDs illuminator 10 of six row, and the said white light LEDs illuminator 10 of every row comprises three said white light LEDs illuminators 10, and the opticpath of each said white light LEDs illuminator 10 is provided with a said filter 20; The white light of part at least with in the white light that these white light LEDs illuminators 10 are sent is filtered into sodium yellow, thereby a yellow warning lamp is provided.
What can expect is; In the instance of above-mentioned yellow warning lamp, said controller 11 can control the luminous of these white light LEDs illuminators 10 or stop luminous, in other words; Make these white light LEDs illuminators 10 luminous at interval with preset time; Thereby the pattern that presents yellow flash so that stronger visual impact effect to be provided, thereby also provides the effect of caution more.
Said a plurality of filter 20 is positioned on the appropriate position of said a plurality of white light LEDs illuminators 10, and preferably, in the present embodiment, said a plurality of filters 20 can also play the effect of optically focused.That is to say that the white light that every said filter 20 can be respectively sends the said white light LEDs illuminator 10 of correspondence radially converges, and throws away after being filtered into non-white light again.
That is to say that said filter 20 not only plays the effect of filter colors in the present invention, also plays the effect of optically focused.What deserves to be mentioned is that through behind the optically focused, the effective luminous flux that projects in the suitable zone is improved, thereby strengthened the efficient of illumination.
Said filter 20 can be the various lens that play the optically focused effect, like convex lens, as an instance; Each said filter 20 is the Fresnel Lenses with optical filtering performance; Thereby the light that every said white light LEDs illuminator 10 sends radially converges through said Fresnel Lenses, and throws along direction parallel to each other after being filtered into predetermined non-white light; Thereby improved light efficiency, the illumination that arrives presumptive area has higher luminous flux.
Each said filter 20 lays respectively on the suitable position, corresponding said white light LEDs illuminator 10 the place aheads, and its size and size can be provided with as required, reaching the spotlight effect of maximum, and can remove tangible luminous point.In the instance of this warning lamp; Each said filter 20 also is provided with at least one installation component 21; Thereby each said filter 20 is able to be installed in corresponding suitable location on the opticpath of said white light LEDs illuminator 10 by said at least one installation component 21, and for example each said filter 20 is fixed on the corresponding said installation component 21 through the Luo silk.More specifically, said LED signal lamp also comprises a plurality of heat abstractors 12, and said at least one installation component 21 is arranged between corresponding said heat abstractor 12 and the said filter 20 so that said heat abstractor 12 is interconnected with said filter 20.Certainly, the installation of said filter 20 also can be the mode that adopts other, as long as can be set to the effect that optically focused and filtration are played in suitable position.Said heat abstractor 12 comprises heat dissipation metal wiring board 121 and the fin 122 that is connected to said radiating circuit plate 121, and said radiating circuit plate 121 can be made by metal material with said fin 122.As shown in Figure 4, every said white light LEDs illuminator 10 is arranged on the corresponding said radiating circuit plate 121.
It will be further appreciated that; As shown in Figure 4; Every said white light LEDs illuminator 10 is arranged in the container cavity 31 that is defined by a reflective surface 30, and said reflective surface 30 and said filter 20 promptly can be that filter 20 converges the light that said white light LEDs illuminator 10 sends together.Said reflective surface 30 is that annular is parabolic; Light through after said reflective surface 30 reflections is pooled roughly projection parallel to each other with the light that passes said filter 20; As shown in Figure 4; Can leave the space between said filter 20 and the said reflective surface 30, arrive on the said reflective surface 30 to allow part light to pass this gap.
Said reflective surface 30 can be the inner surface with reflection action of a reflex reflector; As shown in Figure 4; Said reflective surface 30 is the parabolic curved surface, and its shape can be designed to optimized state as required, to reach the effect of maximum optically focused with said filter 20 (Fresnel Lenses).
What deserves to be mentioned is that when said white light LEDs illuminator 10 of the present invention can provide enough light intensity, said reflective surface 30 also can only play reflective effect, and need not play the effect of converging light.
As shown in Figure 5; When said white light LEDs illuminator 10 job produce white light; The part white light arrives said filter 20 (Fresnel Lenses), is filtered into colored monochromatic light by said filter 20 (Fresnel Lenses) then, shown in figure; Between the S1 zone between said filter 20 (Fresnel Lenses) and the said white light LEDs illuminator; Be from said white light LEDs illuminator be the center send along radially white light, through the zone of the S2 behind the said filter 20 (Fresnel Lenses), the colourama that these are pooled light parallel to each other and be filtered into non-white along radially white light.
What deserves to be mentioned is; According to this preferred embodiment of the present invention; Said LED signal lamp also comprises a housing 40, and said housing 40 comprises a light distributor 41, and whole light that said light distributor 41 sends said white light LEDs illuminator 10 are filtered into the light of the color of wanting.That is to say, after the part light that passes the space between said filter 20 and the said reflective surface 30 arrives and is reflected on the said reflective surface 30, also be filtered into non-white light when passing said light distributor 41.That is to say that said filter 20 can be filtered into the white light that sends from corresponding said white light LEDs illuminator 10 with a kind of non-white light with said light distributor 41.
What deserves to be mentioned is that said light distributor 41 not only plays the effect of optical filtering, also can have the effect of optically focused, it invests suitable zone with the light that said white light LEDs illuminator 10 sends.
As shown in Figure 5; Arriving the S3 zone is promptly preferably also throwed along identical direction with the light that passes said filter 20 by the light of said reflective surface 30 reflections; Thereby the light intensity that arrives the light area is enhanced, and is passed the light that forms required color behind the said light distributor by the light of said reflective surface 30 reflections.
As an instance; In above-mentioned warning lamp; Said light distributor 41 is yellow lens; The said filter 20 of light no show that sends from said white light LEDs illuminator 10 but at the part light of said reflective surface 30 reflections also by said yellow lens filter, said filter 20 also allows sodium yellow to pass through, thereby yellow warning lamp is provided.And in the present embodiment, warning lamp is directly used the sodium yellow distributor, and with respect to being light source with the yellow light LED illuminator in the prior art, translucent cover is the warning lamp of outer cover, and warning lamp of the present invention more can be given warning function.What deserves to be mentioned is that said light distributor 41 can directly be used as the outer cover of said LED signal lamp.
In this preferred embodiment of the LED signal lamp that is embodied as warning lamp; Said housing 40 also comprises base 42; Said light distributor 41 forms a cavity with said base 42, said a plurality of white light LEDs illuminators 10, and a plurality of filter 20 devices such as grade all are arranged in the said cavity.Said housing 40 tops can comprise that is also modified a cover 43, to give said LED signal lamp other decoration functions are provided, and also strengthen aesthetic.Said housing 40 also comprises necessary electric wire 44, and said electric wire 44 is electrically connected to said controller 11, to give said controller 11 the power supply supply is provided, thereby operates the operation of said LED signal lamp.Said electric wire 44 passes sealing plate 45 and fixing through fluid sealant 46.Said light distributor 41 is able to seamless tight the connection with said base 42 through sealing ring 47.
As shown in Figure 6, be LED signal lamp according to another preferred embodiment, LED signal lamp in the present embodiment and the LED signal lamp in the foregoing description have similar structures.And in the present embodiment; Said reflective surface 30A is the inner surface of said heat abstractor 12A, that is to say, the inner surface of said heat abstractor 12A has reflection action; Thereby play the effect of optically focused with Fresnel Lenses as filter 20A; The light ratio that corresponding said white light LEDs illuminator is throwed away is more straight, and be connected with said reflective surface 30A a shade 50A arranged, to be used for allowing the light transmission of predetermined color.That is to say, play with the identical shade 50A of light distributor 41 effects of the foregoing description and directly dock, to form the container cavity 31A of a sealing with said reflective surface 30A.
The invention provides a kind of LED signal lamp, it is equivalent to comprise one or more luminescence units, and each luminescence unit comprises a white light LEDs illuminator 10, one filters 20, one reflective surfaces 30.Said white light LEDs illuminator 10 sends white light, through the color filtering effect of said filter 20, and the optically focused effect that can extraly provide of filter 20 and reflective surface 30, thereby obtain the colour signal light that light efficiency improves.These luminescence units can provide the colourama of projection along the circumferential direction through suitable arrangement, thereby provide ring to penetrate flashlight.
The present invention provides a kind of formation method of LED signal lamp in fact, and this method comprises the steps:
(a) be stimulated through at least one white light LEDs illuminator 10 white light is provided; With
(b) the said white light of part at least in the said white light is filtered into non-white light.
Said step (a) can also comprise step (a.1): a plurality of said white light LEDs illuminators 10 are arranged in multiple row white light LEDs illuminator 10, and the straight line at said multiple row white light LEDs illuminator 10 places intersects to form polygon, penetrates light thereby can provide to encircle.
In above-mentioned steps (a.1), every row white light LEDs illuminator 10 comprises one or more said white light LEDs illuminators 10.
In above-mentioned steps (a.1), the straight line at said multiple row white light LEDs illuminator 10 places intersects to form regular polygon, like equilateral triangle, square, regular hexagon, octagon or dodecagon or the like.
Said step (b) comprises step (b.1): the opticpath of every said white light LEDs illuminator is provided with a filter 20, and the said white light that said filter 20 will pass said filter 20 is filtered into the monochromatic light of predetermined color.
In above-mentioned steps (b.1), said filter 20 can be for having the Fresnel Lenses of optical filtering performance, said Fresnel Lenses be arranged on can optically focused the position, thereby said filter 20 can play and filters and the effect of optically focused.
In above-mentioned steps (b.1), said predetermined color is redness, blueness, yellow, green, purple etc.
This method also can comprise the steps (c): a reflective surface 30 is set with the said white light in reflecting part, the said white light that said part is reflected with filtered by said filter 20 after light along identical direction projection.
In above-mentioned steps (c), said reflective surface can be the parabola of a reflex reflector 31, or the inner surface of heat abstractor 12.
This method also can comprise the steps (d): said LED signal lamp also provides a housing 40, and said housing 40 comprises a light distributor 41, and said light distributor 41 is an outer lens, passes with the light that allows said predetermined color.
In said method, formed LED signal lamp can be a warning lamp, navigation light, ship's navigation lamp or building aviation obstruction beacon etc.
One skilled in the art will understand that the embodiments of the invention shown in foregoing description and the accompanying drawing are only as not limiting the present invention for example.
This shows that the present invention's purpose is complete and effectively be achieved.Function of the present invention and structural principle are showed in an embodiment and are explained, are not deviating under the said principle, and embodiment can be done any modification.So, present invention includes all distortion embodiments based on claim spirit and claim scope.
Claims (20)
1. a LED signal lamp is characterized in that, comprising:
At least one white light LEDs illuminator and
At least one filter, said at least one filter is separately positioned on the opticpath of said at least one white light LEDs illuminator, is filtered into the light of the predetermined color of non-white light with the light of part at least with said white light LEDs illuminator emission.
2. LED signal lamp according to claim 1; It is characterized in that; Said filter is positioned on the position with optically focused effect on the opticpath of corresponding said white light LEDs illuminator, thereby plays the effect of optically focused effect and the light transmission that allows said predetermined color simultaneously.
3. LED signal lamp according to claim 2 is characterized in that said filter comprises the lens with optically focused effect.
4. according to claim 1,2 or 3 described LED signal lamps, it is characterized in that said LED signal lamp also comprises at least one reflective surface, with the part light of reflection from the said white light LEDs illuminator emission of correspondence.
5. LED signal lamp according to claim 4 is characterized in that, the light after the reflection of said reflective surface throws along identical direction with light after said filter filters, thereby plays the effect of converging light.
6. LED signal lamp according to claim 5 is characterized in that, said reflective surface is the inner surface of a reflex reflector, and perhaps every said white light LEDs illuminator also is provided with a heat abstractor, and said reflective surface is the inner surface of said heat abstractor.
7. LED signal lamp according to claim 6 is characterized in that, also comprises a housing, and said housing comprises a light distributor, and said light distributor only allows the light transmission of said predetermined color.
8. LED signal lamp according to claim 7 is characterized in that, said light distributor further plays the effect that distributes the ray cast direction.
9. LED signal lamp according to claim 8 is characterized in that, every said filter is able to installation in position by at least one installation component with corresponding said radiating circuit plate or said light distributor.
10. LED signal lamp according to claim 6 is characterized in that, said predetermined color is selected from a kind of in redness, blueness, yellow, green and the purple.
11. LED signal lamp according to claim 6 is characterized in that, said filter comprises convex lens or the Fresnel Lenses with optical filtering performance.
12. LED signal lamp according to claim 11 is characterized in that, said LED signal lamp is selected from a kind of in warning lamp, navigation light, aviation obstruction beacon and the ship's navigation lamp.
13. the formation method of a LED signal lamp is characterized in that said method comprises the steps:
(a) be stimulated through at least one white light LEDs illuminator white light is provided; With
(b) the said white light of part at least in the said white light is filtered into non-white light.
14. the formation method of LED signal lamp according to claim 13; It is characterized in that; Said step (b) comprises step (b.1): the opticpath of every said white light LEDs illuminator is provided with a filter, and the said white light that said filter will pass said filter is filtered into the monochromatic light of predetermined color.
15. the formation method of LED signal lamp according to claim 14; It is characterized in that; In above-mentioned steps (b.1); Said filter is the Fresnel Lenses with optical filtering performance, and said Fresnel Lenses is arranged on the position with optically focused effect, thereby said filter plays the effect of optical filtering and optically focused.
16. the formation method of LED signal lamp according to claim 15 is characterized in that, said predetermined color is red, blue, yellow, green or purple.
17. the formation method of LED signal lamp according to claim 16 is characterized in that, said method also comprises step (c): a reflective surface is set with the said white light in reflecting part.
18. the formation method of LED signal lamp according to claim 17 is characterized in that, the said white light that said part is reflected with filtered by said filter after light along identical direction projection.
19. formation method according to arbitrary described LED signal lamp in the claim 13 to 18; It is characterized in that; Said method also comprises the steps (d): provide a housing; Said housing comprises a light distributor, and said light distributor is an outer lens, passes with the light that only allows said predetermined color.
20. the formation method of LED signal lamp according to claim 19 is characterized in that, said light distributor further plays the effect that distributes the ray cast direction.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210264965.2A CN102767726B (en) | 2012-07-27 | 2012-07-27 | Led signal lamp |
| PCT/CN2012/085349 WO2014015599A1 (en) | 2012-07-27 | 2012-11-27 | Led signal lamp |
| PCT/CN2013/080162 WO2014015825A1 (en) | 2012-07-27 | 2013-07-26 | Led signal lamp |
| AU2013295901A AU2013295901A1 (en) | 2012-07-27 | 2013-07-26 | Led signal lamp |
| EP13823010.7A EP2878878A4 (en) | 2012-07-27 | 2013-07-26 | Led signal lamp |
| JP2015523404A JP2015522935A (en) | 2012-07-27 | 2013-07-26 | LED signal light |
| AU2017232078A AU2017232078A1 (en) | 2012-07-27 | 2017-09-19 | Led signal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210264965.2A CN102767726B (en) | 2012-07-27 | 2012-07-27 | Led signal lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767726A true CN102767726A (en) | 2012-11-07 |
| CN102767726B CN102767726B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210264965.2A Active CN102767726B (en) | 2012-07-27 | 2012-07-27 | Led signal lamp |
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