CN203442679U - LED light distribution lens - Google Patents
LED light distribution lens Download PDFInfo
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- CN203442679U CN203442679U CN201320519285.0U CN201320519285U CN203442679U CN 203442679 U CN203442679 U CN 203442679U CN 201320519285 U CN201320519285 U CN 201320519285U CN 203442679 U CN203442679 U CN 203442679U
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Abstract
The utility model relates to an LED light distribution lens. The LED light distribution lens comprises a lens body which is defined by an incident plane, a reflecting plane and an emitting plane. The incident plane is concaved inwards at the bottom of the lens body, the reflecting plane is arranged on the side face of the lens body and is formed by splicing a plurality of annular planes in sequence, the annular planes are arranged in the axial direction of the lens body, the curvatures at the splicing positions of every two adjacent annular planes are not continuous, and the annular planes are arranged to form the annular step-shaped reflecting plane. Different annular planes receive and reflect the corresponding incident rays, wherein different included angles are formed between the corresponding incident rays and the axis of the lens body, and accordingly, the wide-angle light rays emitted by the light source are divided in a differential mode according to the fact that the included angles between the wide-angle light rays and the axis of the lens body are different.
Description
Technical field
The utility model relates to a kind of LED light-distribution lens, especially a kind of by light being carried out to the LED light-distribution lens of differential, integral processing.
Background technology
LED, as novel energy-conserving light source, has been widely used in various illumination occasions, and 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, led illuminating source is no longer often 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 on chip, and institute's ditch groove can cause on chip luminous inconsistent.Again for example, in order to meet 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 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 defect, the especially LED light source of LED light source itself send to change more obvious with angle.These defects 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 to produce in field of illumination the inhomogeneous phenomenon of color.In order to overcome this phenomenon, tradition light-distribution lens is normally at the consistent lens arra of the exit surface installation surface shape parameter of light-distribution lens or the exit surface of lens is made to hair side, its weak point is: the firstth, and the limited in one's ability of light field modulated in homogenize, and the secondth, affect lens light extraction efficiency.
Utility model content
The technical problems to be solved in the utility model is to overcome the above-mentioned deficiency of prior art, and a kind of LED light-distribution lens that neither affects light extraction efficiency, can make emergent ray be evenly distributed in illuminated field is again provided.
For solving the problems of the technologies described above, the utility model 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, the ring surface that described reflecting surface is axially arranged along lens body by several is spliced successively, and the stitching portion 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 from lens body axis with different angular range reflects again, thereby the high angle scattered light that LED light source is sent is according to the different differential dividing processing of having carried out of the angle from lens body axis, by controlling face shape and the spatial attitude of different ring surfaces, while making reflection ray project field of illumination, the light that each ring surface is controlled superposes about equally and mutually at the area of light area, emergent ray overall distribution is more even, effectively overcome high angle scattered light that LED light source the sends COLOR COMPOSITION THROUGH DISTRIBUTION uneven phenomenon in axial plane, and avoided the high angle scattered light that the defective LED of light source sends only to pass through in light area, to produce defect after the reflection of continuous reflection face, and control more flexible to the angle of emergent ray and area distribution, comprehensively.It should be noted that, axial plane, refers to: the plane of crossing 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 light area, be conducive to control flexibly the angle of emergent ray.
It should be noted that, the bus of ring surface is camber line herein, refers to: the bus curvature of whole ring surface equates.
Preferably, the bus of described ring surface is curve.Adopt such structure, can as required light be accurately projeced into default light area, be conducive to control flexibly emergent ray angle, it is uniformly distributed as required in light area.
It should be noted that, the bus of ring surface is curve herein, refers to: 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, by the plane of incidence, enter to the incident ray in lens body, invest reflecting surface and form reflection ray later, the reflection ray of adjacent two reflectings surface irradiates in ,Bing light area, light area and partially overlaps after reflecting by peripheral exit facet.Adopt such structure, in light area, the mutual superposition in emergent light region 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 light area, and eliminated light source defect and the phenomenon such as the field of illumination color that produces is inhomogeneous.Distribution through the light of reflecting surface reflection in light area, can be by regulating the modes such as face shape, spatial attitude of each ring surface to regulate.
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 lens body axis, and the high angle scattered light that sector sends LED is radially being carried out differential.Effectively overcome high angle scattered light that LED light source sends in COLOR COMPOSITION THROUGH DISTRIBUTION uneven phenomenon radially.
It should be noted that, herein radially, refer to: with the perpendicular direction of lens body axis.
Preferably, described light irradiates in light area after reflecting by several sectors on peripheral exit facet, and the light of each sector refraction is at light area superposition.Emergent ray after reflecting by sector is mutual superposition in light area, further improves the uniformity of color in light area.
Preferably, the face shape of described sector is plane.Adopt such structure, manufacture easy to process.
Preferably, the face shape of each sector is cylinder.Adopt such structure, light is larger in the refraction angle of sector.
It should be noted 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 deflecting away from.
It should be noted 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 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 manufacture 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 light area at discontinuous lens arra surface refraction, the differential of central area exit facet, contribute to like this to solve light in the small angle range that LED light source sends in axial and the radial color inconsistent phenomenon that distributes, thereby solve the inconsistent problem of color in 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 lens body axis arranged, and some ring scales are radially arranged.Adopt such structure, the light of the small angle range that some ring scales of central area exit facet send LED light source carries out differential dividing processing, and then the face shape by scale is controlled emergent ray, makes them in field of illumination, carry out superposition integral.Light after scale integral calculus by central area exit facet is processed can overcome the inconsistent phenomenon of color that causes the illumination light field that light in the small angle range sending causes in the inconsistent phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION axially and radially due to LED light source defect effectively.
Preferably, the face shape of described each scale is 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 light area is better.
Preferably, the face shape of the scale on described same ring is identical with size.Adopt such structure, further promote light and color in light area and be uniformly distributed.
Preferably, described central area exit facet is the continuous curved surface of curvature, adopts such structure, and the low-angle light being sent by LED light source is directly irradiated to light area after 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 contributes to solve the inconsistent phenomenon of color of the illumination light field that light in the small angle range that LED light source sends causes in the inconsistent phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION axially and radially.
It should be noted that, the light area in 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 illumination light field.
Compared with prior art, the beneficial effects of the utility model are: different ring surfaces accept that each is self-corresponding, the incident ray from lens body axis with different angular range reflects again, the high angle scattered light of namely light source being sent is according to the different differential dividing processing of having carried out of the angle from lens body axis, by controlling face shape and the angle of different ring surfaces, while making reflection ray project field of illumination, the light that each ring surface is controlled at the area of light area about equally, emergent ray overall distribution is more even, the inhomogeneous phenomenon of field of illumination color that effectively overcomes light source defect and produce, and avoided the light that the defective LED of light source sends only to pass through in light area, to produce defect after the reflection of continuous reflection face, and control more flexible to the angle of emergent ray and area distribution.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of embodiment in the utility model;
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 utility model;
Fig. 6 is the perspective view of Fig. 5;
Fig. 7 is the front view of the another embodiment of the utility model;
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; Exit facet-4, central area; Lens arra-4a; Scale-4b; Lens body axis-5; Lens body-6.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment of the present utility model is not limited to following examples, within the various variations of making under the prerequisite that does not depart from the utility model aim all belong to protection domain of the present utility model.
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 arranged in the area of space of this depression, and the plane of incidence 1 is for receiving the light near the LED light source of this side, and the light of LED light source forms incident ray in lens body 6 inside after the plane of incidence 1 refraction, reflecting surface 2 is arranged on the side of lens body 6, for investing exit facet after the light break-in reflection of lens body 6 inside, exit facet is arranged on lens body 6 away from one end of the plane of incidence 1, for penetrating after the light refraction of lens body 6 inside, and invest light area, the ring surface 2a that reflecting surface 2 is axially arranged along lens body 6 by several is spliced successively, the bore of several ring surfaces 2a is increased progressively step by step by the plane of incidence 1 to exit facet, and the stitching portion 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 stitching portion, more be of value to and control the distribution of light in light area, in lens body 6 inside, the reflecting surface 2 being arranged in by ring surface 2a is stepped ringwise, 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, after thering is the incident ray of different angular range from lens body axis 5, reflect again, thereby the high angle scattered light that light source is sent 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, make light that each ring surface 2a reflects at the area of light area about equally and stack mutually, emergent ray overall distribution is more even, the inhomogeneous phenomenon of field of illumination color that effectively overcomes light source defect and produce, and avoided the high angle scattered light that the defective LED of light source sends only to pass through in light area, to produce defect after the reflection of continuous reflection face, and control more flexible to the angle of emergent ray and area distribution.
And, in the present embodiment, by the plane of incidence 1, enter to the incident ray in lens body 6, after investing reflecting surface 2, form reflection ray, the reflection ray of adjacent two reflectings surface 2 irradiates in ,Bing light area, light area superposition after reflecting by peripheral exit facet 3, adopt and regulate the face shape of ring surface 2a and the mode of spatial attitude to regulate, and make reflection ray stack mutually in light area of adjacent two reflectings surface 2.Adopt in such a way, in light area, the emergent light region 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 light area, and eliminated light source defect 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, at this, just repeats no more.
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 is accurately radiated in light area as required, is more conducive to the flexible modulation of light in light area.
All the other structures refer to embodiment 1.
embodiment 3
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 refer to embodiment 1.
embodiment 4
As shown in Figures 1 to 4, in 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 lens body 6 later by sector 3a refraction, and shine to 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 controlling after the face shape of different sector 3a reflects, project field of illumination, by controlling the face shape of different sector 3a, when light refraction is broken forth, mode with differential, effectively overcome high angle scattered light that LED light source sends perpendicular to lens body axis 5, different radial angle color defects and cause the phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION inequality in light area.Further, light in lens body 6 irradiates in light area after reflecting by several sectors 3a on peripheral exit facet 3, the light of adjacent two sector 3a refraction is at light area superposition, by the emergent ray after adjacent two sector 3a refraction, in light area, mutually superpose, in the mode of integration, further improve the uniformity of color in light area.
In the present embodiment, the face shape of each sector 3a and size are all identical, to play better all light, regulating effect.By the differential of sector 3a, the light after integral processing, can effectively overcome because LED light source defect 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 refer to embodiment 1.
In the present embodiment, the face shape of each sector 3a is cylinder, and the face shape of each sector 3a is all arcwall faces outwardly convex, that curvature is identical, adopts such sector 3a, and the refraction angle of emergent ray is larger.
All the other structures refer to embodiment 4.
In the present embodiment, the face shape of each sector 3a is curved surface, the face shape that is each sector 3a is all forms of outwardly convex, 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 refer to embodiment 4.
embodiment 7
As shown in Figure 1, in 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, the low-angle light that this part of central area exit facet 4 sends for receiving LED light source, the low-angle light being sent by LED light source is invested field of illumination after the refraction of central area continuous surface, 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 refer to 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 hair side refraction, the differential of central area exit facet 4, uniform irradiation is to field of illumination, thereby contributes to like this to solve the inconsistent phenomenon of color of the illumination light field that light in the small angle range that LED light source sends causes in the inconsistent phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION axially and radially.
All the other structures refer to 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 in 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.The light of the small angle range that some ring scale 4b of central area exit facet 4 send LED light source carries out differential dividing processing, then by scale 4b face shape, controls emergent ray, makes them in field of illumination, carry out superposition integral.Light after processing by the scale 4b integral calculus of central area exit facet 4, can effectively overcome because LED light source defect causes light in the small angle range sending in the inconsistent phenomenon of COLOR COMPOSITION THROUGH DISTRIBUTION axially and radially, thereby overcome the inconsistent phenomenon of color of its field of illumination causing.
All the other structures refer to 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 light area at discontinuous lens arra 4a surface refraction, the differential of central area exit facet 4, contribute to like this to solve light in the small angle range that LED light source sends in axial and the radial color inconsistent phenomenon that distributes, thereby solve the inconsistent problem of color in field of illumination.
All the other structures refer to embodiment 7.
The utility model is not limited to the aforesaid specific embodiment.The utility model expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (28)
1. a 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: the ring surface (2a) that described reflecting surface (2) is axially arranged along lens body (6) by several is spliced successively; The stitching portion 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, 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, it is characterized in that: by the plane of incidence (1), enter to the incident ray in lens body (6), after investing reflecting surface (2), form reflection ray, the reflection ray of adjacent two reflectings surface (2) irradiates in ,Bing light area, light area and partially overlaps after reflecting by peripheral exit facet (3).
4. LED light-distribution lens according to claim 2, it is characterized in that: by the plane of incidence (1), enter to the incident ray in lens body (6), after investing reflecting surface (2), form reflection ray, the reflection ray of adjacent two reflectings surface (2) irradiates in ,Bing light area, light area and partially overlaps after reflecting by peripheral exit facet (3).
5. LED light-distribution lens according to claim 1, it is characterized in that: described peripheral exit facet (3) is spliced mutually by several sectors (3a), described sector (3a) encloses outside exit facet (3) and be radial arranged radially outside axially centered by lens body axis (5).
6. LED light-distribution lens according to claim 2, it is characterized in that: described peripheral exit facet (3) is spliced mutually by several sectors (3a), described sector (3a) encloses outside exit facet (3) and be radial arranged radially outside axially centered by lens body axis (5).
7. LED light-distribution lens according to claim 3, it is characterized in that: described peripheral exit facet (3) is spliced mutually by several sectors (3a), described sector (3a) encloses outside exit facet (3) and be radial arranged radially outside axially centered by lens body axis (5).
8. LED light-distribution lens according to claim 4, it is characterized in that: described peripheral exit facet (3) is spliced mutually by several sectors (3a), described sector (3a) encloses outside exit facet (3) and be radial arranged radially outside axially centered by lens body axis (5).
9. LED light-distribution lens according to claim 5, it is characterized in that: described light irradiates in light area after reflecting by several sectors (3a) on peripheral exit facet (3), and the light of adjacent two sectors (3a) refraction partially overlaps in light area.
10. LED light-distribution lens according to claim 6, it is characterized in that: described light irradiates in light area after reflecting by several sectors (3a) on peripheral exit facet (3), and the light of adjacent two sectors (3a) refraction partially overlaps in light area.
11. LED light-distribution lens according to claim 7, it is characterized in that: described light irradiates in light area after reflecting by several sectors (3a) on peripheral exit facet (3), and the light of adjacent two sectors (3a) refraction partially overlaps in light area.
12. LED light-distribution lens according to claim 8, it is characterized in that: described light irradiates in light area after reflecting by several sectors (3a) on peripheral exit facet (3), and the light of adjacent two sectors (3a) refraction partially overlaps in light area.
13. LED light-distribution lens according to claim 5, is characterized in that: the face shape of described sector (3a) is plane, cylinder or curved surface.
14. LED light-distribution lens according to claim 6, is characterized in that: the face shape of described sector (3a) is plane, cylinder or curved surface.
15. LED light-distribution lens according to claim 7, is characterized in that: the face shape of described sector (3a) is plane, cylinder or curved surface.
16. LED light-distribution lens according to claim 8, is characterized in that: the face shape of described sector (3a) is plane, cylinder or curved surface.
17. LED light-distribution lens according to claim 5, is characterized in that: the face shape of each sector is identical with size.
18. LED light-distribution lens according to claim 6, is characterized in that: the face shape of each sector is identical with size.
19. LED light-distribution lens according to claim 7, is characterized in that: the face shape of each sector is identical with size.
20. LED light-distribution lens according to claim 8, is characterized in that: the face shape of each sector is identical with size.
21. according to arbitrary described LED light-distribution lens in claim 1 to 20, 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.
22. LED light-distribution lens according to claim 21, 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.
23. LED light-distribution lens according to claim 21, 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 is all around lens body axis (5) layout, and some ring scales (4b) are radially arranged.
24. LED light-distribution lens according to claim 23, is characterized in that: the face shape of described each scale is plane or curved surface.
25. LED light-distribution lens according to claim 23, is characterized in that: the face shape of the scale on described same ring is identical with size.
26. LED light-distribution lens according to claim 24, is characterized in that: the face shape of the scale on described same ring is identical with size.
27. LED light-distribution lens according to claim 21, is characterized in that: described central area exit facet (4) is the continuous curved surface of curvature.
28. LED light-distribution lens according to claim 21, is characterized in that: described central area exit facet (4) is hair side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320519285.0U CN203442679U (en) | 2012-10-30 | 2013-08-25 | LED light distribution lens |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210422669.0 | 2012-10-30 | ||
| 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 |
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| Publication Number | Publication Date |
|---|---|
| CN203442679U true CN203442679U (en) | 2014-02-19 |
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| 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 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210422669 Withdrawn CN102878526A (en) | 2012-10-30 | 2012-10-30 | Light-emitting diode (LED) light-distributing lens |
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| CN (2) | CN102878526A (en) |
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| CN108692294B (en) * | 2018-05-28 | 2020-07-24 | 深圳市朗恒电子有限公司 | Special-shaped 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 |
-
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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3453952B1 (en) * | 2017-09-08 | 2023-07-05 | Valeo Vision | Light distribution element for light emitting device and light emitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102878526A (en) | 2013-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHENGDU HERCULUX OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Assignor: Zheng Yi Contract record no.: 2015510000131 Denomination of utility model: Light-emitting diode (LED) light-distributing lens Granted publication date: 20140219 License type: Exclusive License Record date: 20150925 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |