CN102878526A - Light-emitting diode (LED) light-distributing lens - Google Patents
Light-emitting diode (LED) light-distributing lens Download PDFInfo
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- CN102878526A CN102878526A CN 201210422669 CN201210422669A CN102878526A CN 102878526 A CN102878526 A CN 102878526A CN 201210422669 CN201210422669 CN 201210422669 CN 201210422669 A CN201210422669 A CN 201210422669A CN 102878526 A CN102878526 A CN 102878526A
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Abstract
The invention relates to a light-emitting diode (LED) light-distributing lens. The LED light-distributing lens comprises a lens body, wherein the lens body is defined by an incident plane, a reflecting plane and an emergent plane together; the incident plane is concave inwards at the bottom of the lends body; the reflecting plane is arranged on a side face of the lens body and is formed by assembling a plurality of annular surfaces together in sequence, which are axially arranged along the lens body; the curvature of the assembled part of two adjacent annular surfaces is discontinuous; the annular planes are arranged to form an annular step-shaped reflecting plane; and different annular surfaces receive incident light rays which correspond to the annular surfaces respectively and have different included angle ranges with the axis of the lens body, and then reflect the incident light rays, so that large-angle light rays which are emitted by a light source are subjected to differential segmentation according to the different included angles between the large-angle light rays and the axis of the lens body.
Description
Technical field
The present invention relates to a kind of LED light-distribution lens, especially a kind of by light being carried out the LED light-distribution lens of differential, Integral Processing.
Background technology
LED has been widely used in various illumination occasions as the novel energy-conserving light source, and such as shot-light, street lamp, operating mode lamp etc., they replace conventional light source, have greatly improved electro-optical efficiency.But along with the development of led chip technology, and the development of application demand, the led illuminating source often no longer is continuous uniformly light-emitting face or illuminator.For example in order further to improve the light extraction efficiency of led light source, some led light source producers carry out cutting at chip, and institute's ditch groove can cause on chip luminous inconsistent.Again for example, in order to satisfy high-power illumination, much encapsulate producer and all adopted integration packaging, it is discontinuous that light-emitting area can be caused in the interval between the chip like this.Also have, more existing led packaged types and fluorescent powder coating mode also can cause the colour temperature of led along with rising angle changes.Above-described various factors has all caused its colour temperature of light of the polarizers of big angle scope that luminous defective, the especially led light source of LED light source itself send to change more obvious with angle.These defectives are acceptables in the not high wide-angle floodlighting application scenario of ask for something, but often can not meet the demands in high-end illumination occasion.Particularly when the illumination of low-angle fixed point, be easy in the inhomogeneous phenomenon of field of illumination generation color.In order to overcome this phenomenon, the tradition light-distribution lens normally arranges the consistent lens arra of face shape parameter or the exit surface of lens is made hair side at the exit surface of light-distribution lens, its weak point is: the firstth, and the limited in one's ability of light field modulated in homogenize, and the secondth, affect the lens light extraction efficiency.
Summary of the invention
The technical problem that the present invention solves is to overcome the above-mentioned deficiency of prior art, and a kind of LED light-distribution lens that neither affects light extraction efficiency, again emergent ray is evenly distributed in illuminated field is provided.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of LED light-distribution lens, comprise lens body, described lens body is surrounded jointly by the plane of incidence, reflecting surface and exit facet, the described plane of incidence is in lens body bottom indent, described reflecting surface is arranged on the side of lens body, described reflecting surface is spliced along the ring surface that lens body axially arranges successively by several, and the splicing place curvature of adjacent two described ring surfaces is discontinuous, and described ring surface is arranged in the reflecting surface of annular step scalariform.
Different ring surfaces receive that each is self-corresponding, the incident ray that has different angular range from the lens body axis reflects again, thereby the high angle scattered light that led light source is sent according to from the different differential dividing processing of having carried out of the angle of lens body axis, by controlling face shape and the spatial attitude of different ring surfaces, when making reflection ray project the field of illumination, the light that each ring surface is controlled superposes about equally and mutually at the area of light area, the emergent ray overall distribution is more even, effectively overcome the COLOR COMPOSITION THROUGH DISTRIBUTION uneven phenomenon of high angle scattered light in axial plane that led light source sends, and the high angle scattered light of having avoided the defective LED of light source to send is only rear in light area generation defective by the reflection of continuous reflection face, and more flexible to angle and the area distribution control of emergent ray, comprehensively.Need to prove that axial plane refers to: the plane of crossing the lens body axis herein.
Preferably, the bus of described ring surface is camber line.Adopt such structure, be convenient to regulate the distributed areas of emergent ray in the light area, be conducive to control flexibly the angle of emergent ray.
Need to prove that the bus of ring surface is camber line, refers to herein: the bus curvature of whole ring surface equates.
Preferably, the bus of described ring surface is curve.Adopt such structure, can as required light accurately be projeced into default light area, be conducive to control flexibly emergent ray angle, it is evenly distributed in the light area as required.
Need to prove that the bus of ring surface is curve, refers to herein: the bus curvature of whole ring surface is not exclusively equal.
Preferably, the bus of described ring surface is straight line.Adopt such structure, convenient processing and manufacture.
Preferably, enter to incident ray in the lens body by the plane of incidence, invest reflecting surface and form later on reflection ray, the reflection ray of adjacent two reflectings surface shines in the light area and in the light area after by peripheral exit facet refraction and partially overlaps.Adopt such structure, in the light area, the mutual superposition in emergent light zone of being broken forth by each ring surface respectively carries out all light in the mode of integration, improve the uniformity coefficient of COLOR COMPOSITION THROUGH DISTRIBUTION in the light area, and eliminated the light source defective and the phenomenon such as the field of illumination color that produces is inhomogeneous.Through the distribution of light in the light area of reflecting surface reflection, the modes such as face shape that can be by regulating each ring surface, spatial attitude are regulated.
Preferably, described peripheral exit facet is spliced mutually by several sectors, and described sector encloses outside exit facet and be radial arranged radially outside axially centered by the lens body axis, and sector is radially carrying out differential to the high angle scattered light that LED sends.Effectively overcome high angle scattered light that led light source sends in radially COLOR COMPOSITION THROUGH DISTRIBUTION uneven phenomenon.
Need to prove, herein radially, refer to: with the perpendicular direction of lens body axis.
Preferably, described light shines in the light area after reflecting by several sectors on the peripheral exit facet, and the light of each sector refraction is at the light area superposition.By the emergent ray after the sector refraction in the light area mutual superposition, further improve the uniformity of color in the light area.
Preferably, the face shape of described sector is the plane.Adopt such structure, make easy to process.
Preferably, the face shape of each sector is cylinder.Adopt such structure, light is larger in the refraction angle of sector.
Need to prove that the face type of sector is cylinder, refers to: whole sector is the identical cambered surface of curvature.
Preferably, the face shape of each sector is curved surface.Adopt such structure, light is larger in the refraction angle of sector, and easier light regulating reflects the direction that deflects away from.
Need to prove that the face type of sector is curved surface, refers to: whole sector is the incomplete same cambered surface of curvature.
Preferably, the face shape of each sector is identical with size.Adopt such structure, the light that is incident upon the light area is more even.
Preferably, the peripheral exit facet center of described lens body is provided with the central area exit facet of indent.Adopt such structure, such fabrication hole is set, be convenient to the manufacturing processing of lens body.
Preferably, described central area exit facet is spliced by lens arra, and described central area exit facet is discontinuous face.The low-angle light that led light source sends is processed rear uniform irradiation to the light area at discontinuous lens arra surface refraction, the differential of central area exit facet, help like this to solve light in the small angle range that led light source sends axially and the radial color inconsistent phenomenon that distributes, thereby solve the inconsistent problem of color in the field of illumination.
Preferably, described central area exit facet is combined by the scale of some rings, and the scale of each ring is all around the lens body axis arranged, and some ring scales are radially arranged.Adopt such structure, some ring scales of central area exit facet carry out the differential dividing processing to the light of the small angle range that led light source sends, and then by the face shape control emergent ray of scale, make them carry out superposition integral in the field of illumination.Light after scale integral calculus by the central area exit facet is processed can overcome effectively because the led light source defective causes light in the small angle range that sends axially and the inconsistent phenomenon of color of the illumination light field that causes of the inconsistent phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION radially.
Preferably, the face shape of described each scale is the plane.Adopt such structure, be convenient to processing.
Preferably, the face shape of described each scale is curved surface.Adopt such structure, the light uniformity that is projeced into the light area is better.
Preferably, the face shape of the scale on the described same ring is identical with size.Adopt such structure, promote further that light and color evenly distribute in the light area.
Preferably, described central area exit facet is the continuous curved surface of curvature, adopts such structure, and the low-angle light that is sent by led light source is directly shining the light area after the refraction on the exit facet of central area, and such lens body light extraction efficiency is high.
Preferably, described central area exit facet is hair side, adopts such structure, thereby helps to solve light in the small angle range that led light source sends axially and the inconsistent phenomenon of color of the illumination light field that causes of the inconsistent phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION radially.
Need to prove, the light area among the present invention refer to led light source see through lens body after, be radiated at the target area of lens body outside, may also be referred to as is the illumination light field.
Compared with prior art, the invention has the beneficial effects as follows: different ring surfaces accept that each is self-corresponding, the incident ray that has different angular range from the lens body axis reflects again, the high angle scattered light of namely light source being sent according to from the different differential dividing processing of having carried out of the angle of lens body axis, by controlling face shape and the angle of different ring surfaces, when making reflection ray project the field of illumination, the light that each ring surface is controlled at the area of light area about equally, the emergent ray overall distribution is more even, the inhomogeneous phenomenon of field of illumination color that effectively overcomes the light source defective and produce, and the light of having avoided the defective LED of light source to send is only rear in light area generation defective by the reflection of continuous reflection face, and more flexible to angle and the area distribution control of emergent ray.
Description of drawings
Fig. 1 is the perspective view of a kind of embodiment among the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the cutaway view of Fig. 1;
Fig. 4 is the another line of vision perspective view of Fig. 1;
Fig. 5 is the front view of the another embodiment of the present invention;
Fig. 6 is the perspective view of Fig. 5;
Fig. 7 is the front view of the another embodiment of the present invention;
Fig. 8 is the perspective view of Fig. 7.
Reference numeral is as follows: the plane of incidence-1; Reflecting surface-2; Ring surface-2a; Peripheral exit facet-3; Sector-3a; Central area exit facet-4; Lens arra-4a; Scale-4b; Lens body axis-5; Lens body-6.
The specific embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Embodiments of the present invention are not limited to following examples, and the various variations of making under the prerequisite that does not break away from aim of the present invention all belong within protection scope of the present invention.
Embodiment 1
As shown in Figure 1 to Figure 3, LED light-distribution lens of the present invention comprises lens body 6, the profile of lens body 6 is tapered body shape roughly, lens body 6 is surrounded jointly by the plane of incidence 1, reflecting surface 2 and exit facet, the plane of incidence 1 is in lens body 6 bottom indents, led light source can be installed in the area of space of this depression, and the plane of incidence 1 is used for reception near the light of the led light source of this side, and the light of led light source forms incident raies in lens body 6 inside after reflecting through the plane of incidence 1; Reflecting surface 2 is arranged on the side of lens body 6, be used for investing exit facet after the light break-in reflection with lens body 6 inside, exit facet is arranged on lens body 6 away from an end of the plane of incidence 1, be used for penetrating behind the light refraction with lens body 6 inside, and trend of purchasing light area, reflecting surface 2 is spliced along the ring surface 2a that lens body 6 axially arranges successively by several, the bore of several ring surfaces 2a is increased progressively step by step by the plane of incidence 1 to exit facet, and the splicing place curvature of adjacent two ring surface 2a is discontinuous, the bus of each ring surface 2a is camber line, adjacent two ring surface 2a form spur in splicing place, more be of value to the distribution of control light in the light area, in lens body 6 inside, stepped ringwise by the reflecting surface 2 that ring surface 2a is arranged in, i.e. being stitched together of reducing step by step, annular step scalariform herein, that is: the radius of several ring surfaces 2a, direction gradual change along lens body axis 5, and the direction along lens body axis 5 is spliced successively, different ring surface 2a receives that each is self-corresponding, from again reflection after lens body axis 5 has the incident ray of different angular range, thereby the high angle scattered light that light source sends is followed itself and the different differential dividing processing of carrying out of the angle of lens body axis 5, by controlling face shape and the angle of different ring surface 2a, the area of light in the light area that each ring surface 2a is reflected superposes about equally and mutually, the emergent ray overall distribution is more even, the inhomogeneous phenomenon of field of illumination color that effectively overcomes the light source defective and produce, and the high angle scattered light of having avoided the defective LED of light source to send is only rear in light area generation defective by the reflection of continuous reflection face, and more flexible to angle and the area distribution control of emergent ray.
And, enter to incident ray in the lens body 6 by the plane of incidence 1 in the present embodiment, form reflection ray after investing reflecting surface 2, the reflection ray of adjacent two reflectings surface 2 shines in the light area after by 3 refractions of peripheral exit facet and at the light area superposition, adopt the face shape of adjusting ring surface 2a and the mode of spatial attitude to regulate, and so that the reflection ray of adjacent two reflectings surface 2 mutually stack in the light area.Adopt in such a way, in the light area, the emergent light zone superposition of being broken forth by adjacent two ring surface 2a respectively carries out all light in the mode of integration, improve the uniformity coefficient of COLOR COMPOSITION THROUGH DISTRIBUTION in the light area, and eliminated the light source defective and the phenomenon such as the field of illumination color that produces is inhomogeneous.
In all the other embodiments, also the bus of adjacent ring surface 2a roughly can be arranged to arbitrary curve, relatively independent form, but can be that tangent transition is connected at seam crossing, also in protection scope of the present invention.
In the present embodiment, lens body 6 is made by optical materials such as PMMA, PC or other optical grade resins or optical glass, just repeats no more at this.
Embodiment 2
The present embodiment difference from Example 1 is: the bus of ring surface 2a is curve, by changing the curvature of ring surface 2a Up Highway UHW, reflection ray accurately is radiated in the light area as required, more is conducive to the flexible modulation of light in the light area.
All the other structures see also embodiment 1.
The present embodiment difference from Example 1 is: the bus of ring surface 2a is straight line, adopts in such a way, and light extraction efficiency is high, and convenient processing and manufacture.
All the other structures see also embodiment 1.
Embodiment 4
As shown in Figures 1 to 4, in the LED light-distribution lens in the present embodiment, peripheral exit facet 3 is spliced mutually by several sectors 3a, sector 3a encloses outside exit facet 3 and be radial arranged radially outside axially centered by lens body axis 5, light leaves later lens body 6 by sector 3a refraction, and shine to the light area, each sector 3a receives that each is self-corresponding perpendicular to lens body axis 5, after the reflection ray of different radial angles, by projecting the field of illumination after the face shape refraction of controlling different sector 3a, by controlling the face shape of different sector 3a, when light refraction is broken forth, in the mode of differential, effectively overcome high angle scattered light that led light source sends perpendicular to lens body axis 5, different radial angle color defectives and cause the phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION inequality in the light area.Further, light in the lens body 6 shines in the light area after reflecting by several sectors 3a on the peripheral exit facet 3, the light of adjacent two sector 3a refraction is at the light area superposition, mutually superpose in the light area by the emergent ray after adjacent two sector 3a refraction, in the mode of integration, further improve the uniformity of color in the light area.
The face shape of each sector 3a is all identical with size in the present embodiment, to play better all light, regulating effect.By the differential of sector 3a, the light after the Integral Processing, can effectively overcome owing to the led light source defective causes the high angle scattered light of sending in the inconsistent phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION radially perpendicular to lens body axis 5, thereby slow down the field of illumination COLOR COMPOSITION THROUGH DISTRIBUTION non-uniform phenomenon that it causes.
All the other structures see also embodiment 1.
In the present embodiment, the face shape of each sector 3a is cylinder, and namely the face shape of each sector 3a all is arcwall faces outside projection, that curvature is identical, adopts such sector 3a, and the refraction angle of emergent ray is larger.
All the other structures see also embodiment 4.
In the present embodiment, the face shape of each sector 3a is curved surface, the face shape that is each sector 3a all is outwards protruding forms, but, the surface curvature of sector 3a in the present embodiment is incomplete same, adopt in such a way, can regulate as required refraction drift angle, the direction that easier flexible modulation light refraction deflects away from conjunction with the angle of emergent ray, color etc.
All the other structures see also embodiment 4.
Embodiment 7
As shown in Figure 1, in the LED light-distribution lens in the present embodiment, peripheral exit facet 3 centers of lens body 6 are provided with the central area exit facet 4 of indent, this a part of central area exit facet 4 is used for receiving the low-angle light that led light source sends, after the refraction of central area continuous surface, invest the field of illumination by the low-angle light that led light source sends, central area exit facet 4 in the present embodiment is the continuous curved surface of curvature, and light extraction efficiency is high.
All the other structures see also embodiment 4.
Embodiment 8
As shown in Figure 1, the present embodiment difference from Example 7 is: in the LED light-distribution lens in the present embodiment, central area exit facet 4 is hair side, the low-angle light that led light source sends is processed at the refraction of the hair side of central area exit facet 4, differential, uniform irradiation is to the field of illumination, thereby helps like this to solve light in the small angle range that led light source sends in the inconsistent phenomenon of color that axially reaches the illumination light field that the inconsistent phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION radially causes.
All the other structures see also embodiment 7.
Embodiment 9
As shown in Figure 7 and Figure 8, the present embodiment difference from Example 7 is: central area exit facet 4 is combined by some ring scale 4b, each encircles scale 4b around 5 arranged radiallys of lens body axis, that is: central area exit facet 4 is combined by several scales 4b, several scales 4b at central area exit facet 4 around lens body axis 5 annular spread, each scale 4b shape among the same ring scale 4b is identical, but in all the other embodiments, size, shape and the quantity of the scale 4b of different rings can be identical, also can be different.Some ring scale 4b of central area exit facet 4 carry out the differential dividing processing to the light of the small angle range that led light source sends, and then by scale 4b face shape control emergent ray, make them carry out superposition integral in the field of illumination.By the light after the scale 4b integral calculus processing of central area exit facet 4, can effectively overcome owing to the led light source defective causes light in the small angle range that sends axially and the inconsistent phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION radially, thereby overcome the inconsistent phenomenon of color of its field of illumination that causes.
All the other structures see also embodiment 7.
Embodiment 10
As shown in Figure 5 and Figure 6, in the present embodiment, central area exit facet 4 is spliced by lens arra 4a, central area exit facet 4 is discontinuous face, scioptics array 4a forms discrete surface, the low-angle light that light source sends is processed rear uniform irradiation to the light area at discontinuous lens arra 4a surface refraction, the differential of central area exit facet 4, help like this to solve light in the small angle range that led light source sends axially and the radial color inconsistent phenomenon that distributes, thereby solve the inconsistent problem of color in the field of illumination.
All the other structures see also embodiment 7.
The above describes in detail embodiments of the invention by reference to the accompanying drawings; but the present invention is not limited to above-described embodiment; can also make various variations in the ken that those of ordinary skills possess, these variations all belong within protection scope of the present invention.
Claims (14)
1. LED light-distribution lens, comprise lens body (6), described lens body (6) is surrounded jointly by the plane of incidence (1), reflecting surface (2) and exit facet, the described plane of incidence (1) is in lens body (6) bottom indent, described reflecting surface (2) is arranged on the side of lens body (6), it is characterized in that: described reflecting surface (2) is spliced along the ring surface (2a) that lens body (6) axially arranges successively by several; The splicing place curvature of adjacent two described ring surfaces (2a) is discontinuous, and described ring surface (2a) is arranged in the reflecting surface (2) of annular step scalariform.
2. LED light-distribution lens according to claim 1, it is characterized in that: the bus of described ring surface (2a) is camber line, straight line or curve.
3. LED light-distribution lens according to claim 1 and 2, it is characterized in that: enter to the interior incident ray of lens body (6) by the plane of incidence (1), shine in the light area and in the light area after formation reflection ray after the trend of purchasing reflecting surface (2), the reflection ray of adjacent two reflectings surface (2) reflect by peripheral exit facet (3) and partially overlap.
4. arbitrary described LED light-distribution lens in 3 according to claim 1, it is characterized in that: described peripheral exit facet (3) is spliced mutually by several sectors (3a), and described sector (3a) encloses outside exit facet (3) and be radial arranged radially outside axially centered by lens body axis (5).
5. LED light-distribution lens according to claim 4, it is characterized in that: described light shines in the light area after reflecting by several sectors (3a) on the peripheral exit facet (3), and the light of adjacent two sectors (3a) refraction partially overlaps in the light area.
6. LED light-distribution lens according to claim 4, it is characterized in that: the face shape of described sector (3a) is plane, cylinder or curved surface.
7. LED light-distribution lens according to claim 4 is characterized in that: the face shape of each sector is identical with size.
8. arbitrary described LED light-distribution lens in 7 according to claim 1, it is characterized in that: peripheral exit facet (3) center of described lens body (6) is provided with the central area exit facet (4) of indent.
9. LED light-distribution lens according to claim 8, it is characterized in that: described central area exit facet (4) is spliced by lens arra, and described central area exit facet (4) is discontinuous face.
10. LED light-distribution lens according to claim 8, it is characterized in that: described central area exit facet (4) is combined by the scale (4b) of some rings, the scale (4b) of each ring all arranges that around lens body axis (5) some ring scales (4b) are radially arranged.
11. LED light-distribution lens according to claim 10 is characterized in that: the face shape of described each scale is plane or curved surface.
12. according to claim 10 or 11 described LED light-distribution lens, it is characterized in that: the face shape of the scale on the described same ring is identical with size.
13. LED light-distribution lens according to claim 8 is characterized in that: described central area exit facet (4) is the continuous curved surface of curvature.
14. LED light-distribution lens according to claim 8 is characterized in that: described central area exit facet (4) is hair side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210422669 CN102878526A (en) | 2012-10-30 | 2012-10-30 | Light-emitting diode (LED) light-distributing lens |
| CN201320519285.0U CN203442679U (en) | 2012-10-30 | 2013-08-25 | LED light distribution lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210422669 CN102878526A (en) | 2012-10-30 | 2012-10-30 | Light-emitting diode (LED) light-distributing lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102878526A true CN102878526A (en) | 2013-01-16 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210422669 Withdrawn CN102878526A (en) | 2012-10-30 | 2012-10-30 | Light-emitting diode (LED) light-distributing lens |
| CN201320519285.0U Expired - Lifetime CN203442679U (en) | 2012-10-30 | 2013-08-25 | LED light distribution lens |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320519285.0U Expired - Lifetime CN203442679U (en) | 2012-10-30 | 2013-08-25 | LED light distribution lens |
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| CN (2) | CN102878526A (en) |
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| CN103542369A (en) * | 2013-10-14 | 2014-01-29 | 常州通宝照明有限公司 | Light distribution lens for LED lamp of automobile |
| CN104180298A (en) * | 2013-05-27 | 2014-12-03 | 海洋王（东莞）照明科技有限公司 | Total-reflection type light projection lens and lamp using light projection lens |
| CN104344337A (en) * | 2013-08-05 | 2015-02-11 | 海洋王（东莞）照明科技有限公司 | Lamp and lens thereof |
| CN104676478A (en) * | 2013-11-30 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Light distribution lens and LED lamp with same |
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2012
- 2012-10-30 CN CN 201210422669 patent/CN102878526A/en not_active Withdrawn
-
2013
- 2013-08-25 CN CN201320519285.0U patent/CN203442679U/en not_active Expired - Lifetime
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| CN103542369B (en) * | 2013-10-14 | 2016-06-29 | 常州通宝照明有限公司 | LED lamp of automobile light-distribution lens |
| CN103542369A (en) * | 2013-10-14 | 2014-01-29 | 常州通宝照明有限公司 | Light distribution lens for LED lamp of automobile |
| CN104676478A (en) * | 2013-11-30 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Light distribution lens and LED lamp with same |
| CN104676280A (en) * | 2013-11-30 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Flashlight and light distribution lens thereof |
| CN104676280B (en) * | 2013-11-30 | 2019-04-16 | 海洋王（东莞）照明科技有限公司 | A kind of flashlight and its light-distribution lens |
| CN105570721A (en) * | 2014-10-08 | 2016-05-11 | 深圳市耀嵘科技有限公司 | Lens, lens module set and LED lamp |
| CN104712936A (en) * | 2015-03-18 | 2015-06-17 | 四川联恺环保科技有限公司 | LED spotlight |
| CN106439735A (en) * | 2015-08-07 | 2017-02-22 | 法雷奥照明湖北技术中心有限公司 | Light guide unit, light guide device and lighting and/or signal indicating device |
| CN108119871A (en) * | 2016-11-28 | 2018-06-05 | 广州达森灯光股份有限公司 | A kind of prism for stage illumination, lighting |
| CN107246591A (en) * | 2016-12-30 | 2017-10-13 | 广州市戴亚萌光学仪器有限责任公司 | A kind of secondary lens combining structure of adjustable focus |
| CN109027765A (en) * | 2017-06-09 | 2018-12-18 | 杭州海康威视数字技术股份有限公司 | Light filling lens, light compensating lamp and video camera |
| CN109027765B (en) * | 2017-06-09 | 2021-05-18 | 杭州海康威视数字技术股份有限公司 | Light filling lens, light filling lamp and camera |
| CN109469884A (en) * | 2017-09-08 | 2019-03-15 | 法雷奥照明公司 | Light distribution element and light emitting device for light emitting device |
| CN107830498A (en) * | 2017-10-18 | 2018-03-23 | 广东欧为照明电器科技有限公司 | A kind of radial spiral lamination lens |
| CN108692294A (en) * | 2018-05-28 | 2018-10-23 | 深圳市朗恒电子有限公司 | A kind of special-shaped lens |
| CN109489002A (en) * | 2018-10-26 | 2019-03-19 | 成都恒坤光电科技有限公司 | A kind of lens, using the design method of the lamps and lanterns of the lens and the lens |
| CN109489002B (en) * | 2018-10-26 | 2023-09-19 | 成都恒坤光电科技有限公司 | Lens, lamp adopting lens and design method of lens |
| CN109827147A (en) * | 2019-03-14 | 2019-05-31 | 华域视觉科技(上海)有限公司 | Special-shaped decorative pattern unit |
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