CN107346045B - Light guide component and car lamp with same - Google Patents
Light guide component and car lamp with same Download PDFInfo
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- CN107346045B CN107346045B CN201610289306.2A CN201610289306A CN107346045B CN 107346045 B CN107346045 B CN 107346045B CN 201610289306 A CN201610289306 A CN 201610289306A CN 107346045 B CN107346045 B CN 107346045B
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- light guide
- optical
- guide member
- optical surface
- light
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a light guide component, which comprises at least one optical unit, wherein the optical unit comprises a front optical surface, a rear optical surface, an upper surface and a lower surface, a coupling incidence surface is arranged on the upper surface and at the connecting edge of the rear optical surface, a light source component is arranged above the coupling incidence surface, the rear optical surface is a total reflection surface, the front optical surface is a stepped emergent surface, at least one hollow optical area is arranged in the light guide component, and the hollow optical area comprises a first optical surface close to the rear optical surface and a second optical surface close to the front optical surface. The invention also discloses a car lamp, which comprises a car lamp shell, a decorative ring, a bracket component, a light source component, an outer lens and a light guide component, wherein the decorative ring, the bracket component, the light source component, the outer lens and the light guide component are arranged in the car lamp shell, the light guide component is fixed between the decorative ring and the bracket component, and the outer lens is arranged in front of the front optical surface of the light guide component.
Description
Technical Field
The invention relates to the field of vehicle illumination, in particular to a light guide component.
The invention also relates to a vehicle lamp with the light guide component.
Background
In the field of vehicle illumination, it is a common technical means to combine a plurality of LED light sources with a light guide member to achieve a linear structural shape. Because the LEDs are point light sources, the energy density of the LEDs is gradually reduced from the center to the outside, and even after the LEDs are subjected to reflection and refraction of secondary light distribution, the light distribution of the adjacent LED areas is still different from the light distribution right in front of the LEDs; however, the uniformity of the lighting effect is demanded in the shape of the vehicle, and it is necessary to maintain a uniform and regular linear shape in the view of the inside and the outside of the vehicle, as well as in the view of the front of the vehicle.
The existing thick-wall light guide component mostly uses a flexible PCB matched with an aluminum substrate as a light source, and the solution is high in cost of a single PCB, complex in mounting structure and relatively large in mounting error. Moreover, the uniformity of the light rays distributed by the conventional thick-wall light guide member is still insufficient.
Disclosure of Invention
In order to overcome the technical defects, the invention aims to provide a light guide component which can realize multiple light distribution so as to emit uniform light.
The invention discloses a light guide component, which comprises at least one optical unit, wherein the optical unit comprises a front optical surface, a rear optical surface, an upper surface and a lower surface, a coupling incidence surface is arranged on the upper surface and at the connecting edge of the rear optical surface, a light source component is arranged above the coupling incidence surface, the rear optical surface is a total reflection surface, the front optical surface is a stepped emergent surface, at least one hollow optical area is arranged in the light guide component, and the hollow optical area comprises a first optical surface close to the rear optical surface and a second optical surface close to the front optical surface.
Preferably, the aperture of the hollow optical zone is gradually changed from top to bottom along the vertical direction.
Preferably, the front optical surface is a stepped exit surface with a drop in the vertical direction and/or the horizontal direction.
Preferably, the rear optical surface is any one of a free-form surface, a hyperboloid and a plane.
Preferably, the first optical surface is a free-form surface, and the second optical surface is a free-form surface having vertical convex or concave fringes.
Preferably, the coupling incident surface is a convex stripe or concave stripe which comprises at least one mutually parallel convex stripe or concave stripe extending along the direction perpendicular to the light emergent direction, and the surface of the concave stripe or the convex stripe is a free-form surface.
Preferably, the aperture of the hollow optical zone becomes gradually larger.
Preferably, the second optical surface is an arc-shaped structure protruding or recessed toward the rear optical surface.
Preferably, the width of the second optical surface is set to be able to receive all the light diffused by the first optical surface.
Preferably, the spacing between the vertical convex stripes or the vertical concave stripes is 1-3mm.
Preferably, the light source part includes a printed circuit board and at least one LED light emitting element mounted thereon, and the rear optical surface of each of the optical units corresponds to at least one of the LED light emitting elements.
Preferably, a plurality of the optical units are included, and the rear optical surfaces of two adjacent optical units are connected together by a connection surface and form a stepped structure.
Preferably, the distance between two adjacent LED luminous elements is 2-25mm.
Preferably, the front optical surface of each of the optical units is connected to form an integral exit surface having a patterned structure along a horizontal extending direction of the adjacent optical units of the light guide member.
A vehicle lamp comprising a lamp housing and a bezel, a bracket member, a light source member, an outer lens and a light guide member provided in the lamp housing, the light guide member having the structure as described above.
Preferably, the light guide member is fixed between the bezel and the support member, the outer lens is disposed in front of the front optical surface of the light guide member, an upper interface of the light guide member is provided with a link structure for fixing the light source member and a ring structure for positioning the bezel, and a lower interface of the light guide member is provided with a boss structure combined with the support member for connection of the light guide member and the support member.
Preferably, the light guide member is made of PMMA or PC material by one-shot or two-shot injection molding.
After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:
1. according to the light guide component provided by the invention, multiple light distribution can be realized in the light guide component, so that the light-emitting directional difference of each LED light-emitting element is adjusted, and the brightness of the lighting area of the lamp in each direction is uniform.
2. According to the light guide component, the arrangement of the first optical surface and the second optical surface of the hollow optical area increases the coverage area of parallel light beams, so that the dark area between light rays emitted by two adjacent LED light emitting elements is not obvious, the light distribution of the emergent light beams of each transverse area in the transverse direction and the vertical direction can be ensured to be approximately the same, and the final lighting effect is quite uniform from all directions.
3. According to the light guide member of the present invention, the mounting structure provided thereon can minimize the influence of the non-optical structure on the optical system.
Drawings
FIG. 1 is a perspective view of a light guide member according to a preferred embodiment of the present invention;
FIG. 2 is a top view of a light guide member according to a preferred embodiment of the present invention;
FIG. 3 is an optical path diagram of an enlarged view of area A of FIG. 2;
FIG. 4 is a sectional view B-B of FIG. 2;
FIG. 5 is a cross-sectional view of the optical path B-B of FIG. 2;
fig. 6 is a schematic view of a hollow optic zone in a light guide member in accordance with a preferred embodiment of the present invention.
Reference numerals:
1-light guide member, 11-optical unit, 111-front optical face, 112-rear optical face, 113-upper surface, 114-lower surface, 115-coupling incident face, 116-raised or recessed stripe pattern, 117-patterned surface, 12-upper interface, 13-lower interface, 14-hollow optical zone, 141-first optical face, 142-second optical face, 143-vertical raised or recessed stripe, 15-connection face, 16-link structure, 17-tab structure;
2-light source component, 21-printed circuit board, 22-LED light emitting element;
3-light ray exit direction;
4-an outer lens;
5-decorative rings;
6-bracket component.
Detailed Description
Advantages of the invention are further illustrated in the following description, taken in conjunction with the accompanying drawings and detailed description.
As shown in fig. 1 to 6, the light guide member 1 according to the preferred embodiment of the present invention for lighting a headlight or a taillight of a vehicle includes at least one optical unit 11, each optical unit 11 is disposed next to each other along a horizontal extending direction of the light guide member 1, which may be an integrally formed structure including a front optical surface 111, a rear optical surface 112, an upper surface 113 and a lower surface 114, the upper surface 113 and the lower surface 114 of each optical unit 11 being flush and continuously connected to form an upper interface 12 and a lower interface 13 of the flat light guide member 1, and in some embodiments, the upper interface 12 and the lower interface 13 are formed by a plurality of upper surfaces 113 and lower surfaces 114 being continuously arranged next to each other, and in some embodiments, the upper interface 12 and the lower interface 13 are formed by a plurality of upper surfaces 113 and a non-optical surface between two adjacent lower surfaces 114, the horizontal extending direction being a direction extending from one end connecting the front optical surface 111 and the rear optical surface 112 toward the other end connecting the front optical surface 111 and the rear optical surface 112; a coupling incidence surface 115 is arranged on the upper surface 113 of the optical unit 11 and at the connecting edge of the rear optical surface 112, a light source component 2 is arranged above the coupling incidence surface 115, and the coupling incidence surface 115 couples the light emitted by the light source component 2 and then emits the light into the light guide component 1, so that the effect of preliminarily adjusting the original light distribution is realized; the rear optical surface 112 is a total reflection surface, and the light coupled by the coupling incident surface 115 is totally reflected to form a parallel light beam emitted in the front light emitting direction 3, where the total reflection surface may be an integral free curved surface or a combination of a plurality of free curved surfaces in a vertical stripe splicing form, and preferably, the rear optical surface 112 is a convex free curved surface; the front optical surface 111 is a stepped exit surface, and is a patterned surface 117 positioned at the forefront end of the light guide member 1, which can spread the light projected onto the light guide member 1 from the inside of the light guide member according to the requirements of light distribution and lighting effect, and the stepped patterned surface 117 of the front optical surface 111 can be adjusted according to the modeling requirements of the vehicle lamp; in order to further improve uniformity of the lighting effect, at least one hollow optical area 14 is further disposed in the light guiding member 1, the hollow optical area 14 includes a first optical surface 141 adjacent to the rear optical surface 112 and a second optical surface 142 adjacent to the front optical surface 111, the first optical surface 141 may slightly diffuse the whole of the parallel light beam emitted in the light emitting direction 3 formed after total reflection from the rear optical surface 112 in a horizontal extending direction of the light guiding member 1, increase an opening angle of the incoming parallel light beam, and the diffused light beam is projected onto the second optical surface 142, and the second optical surface 142 further diffuses the light beam to improve uniformity of light distribution. The hollow optical zone 14 of the invention can increase the opportunity of optimizing the light distribution twice for the whole optical system, increase the coverage area of the parallel light beams, make the dark area between the two light sources not obvious, and can ensure that the transverse and vertical light distribution of the emergent light beams of each transverse area are approximately the same, thus the final lighting effect is quite uniform from all directions.
In a preferred embodiment of the present invention, the shape of the hollow optical zone 14 in the light guide member 1 is configured as a cross-sectional shape as shown in fig. 4, and the aperture of the hollow optical zone 14 is gradually changed from top to bottom in the vertical direction, and may be gradually increased or decreased. Preferably, the aperture of the hollow optic zone 14 becomes progressively larger. The hollow optical zone 14 configured as above, which has a larger opening at the bottom than at the top, is configured so that the demolding direction is downward during the demolding of the light guide member 1. Of course, it is also possible to design the side elevation of the light guide member 1 as a stepped, segmented demolding, thereby reducing the angle of inclination.
In a preferred embodiment of the invention, the first optical surface 141 is a free-form surface such that the outgoing beam is uniformly overlaid on the second optical surface 142, and the second optical surface 142 is a free-form surface having vertical convex or concave fringes 143, the vertical convex or concave fringes 143 being uniformly distributed for localized lateral divergence.
In a preferred embodiment of the present invention, the second optical surface 142 of the hollow optical zone 14 is an arc-shaped structure protruding or recessed toward the rear optical surface 112.
In a preferred embodiment of the present invention, the width of the second optical surface 142 is set to be able to receive all the light diffused by the first optical surface 141 in the light guide member 1, especially in the horizontal extending direction along the light guide member 1, increasing the light utilization efficiency.
In a preferred embodiment of the present invention, the spacing of the vertical male or female stripes 143 on the second optical surface 142 is 1-3mm. The pitch of the vertical male or female stripes 143 may be adjusted according to the actual situation.
In a preferred embodiment of the present invention, the light source part 2 includes a printed circuit board 21 and at least one LED light emitting element 22 mounted thereon, and the rear optical surface 112 of each optical unit 11 corresponds to the at least one LED light emitting element 22, that is, the rear optical surface 112 of each optical unit 11 may receive the light beam emitted from the at least one LED light emitting element 22. In the pairing arrangement of the rear optical surface 112 and the LED light-emitting elements 22 in the preferred embodiment, the light emitted by each LED light-emitting element 22 can be emitted to the rear optical surface 112 with a specific structure and orientation in the corresponding optical unit 11, so that after total reflection and multiple light distribution of the hollow optical area 14 and the front optical surface 111 in the light guide member 1, a light with a specific line is formed, and the pairing arrangement of the pairs of LED light-emitting elements 22 and the rear optical surface 112 of the optical unit 11 can form multiple light with a specific line, and by selecting and configuring the LED light-emitting elements 22 corresponding to the light, the light-emitting requirements of different environmental conditions can be adapted, and the effect of continuous lighting is realized.
In the above-described preferred embodiment of the present invention, the rear optical surface 112 is preferably configured as any one of a convex free-form surface, a hyperboloid and a plane.
In a preferred embodiment of the invention, the light guiding member 1 comprises a plurality of optical units 11, the rear optical faces 112 of adjacent two optical units 11 being joined together by a joining face 15 and forming a stepped structure. The ladder structure can make the continuous lighting effect more diversified.
In a preferred embodiment of the invention, all of the rear optical faces 112 form a uniform continuous stepped structure extending in the direction of horizontal extension of the light-guiding member 1. The continuous stair structure can enable the continuity of the lighting effect to be better.
In a preferred embodiment of the present invention, the LED light elements 22 are array mounted on the printed circuit board 21.
In a preferred embodiment of the present invention, the spacing between two adjacent LED light elements 22 is 2-25mm. The distance between the LED light emitting elements 22 is adjusted according to different environmental conditions and use requirements to achieve uniform light distribution.
In a preferred embodiment of the invention, the front optical face 111 of each optical unit 11 is joined to form an integral exit face with a patterned surface 117 along the horizontal extension of the adjacent optical units 11 of the light guide member 1. That is, the front optical surface 111 of the light guide member 1 for forward light emission is an integrally continuous emission surface.
In the above-described preferred embodiment of the present invention, the front optical surface 111 of each optical unit 11 or the front optical surface 111 forming the front entire exit surface of the light guide member 1 is preferably configured as a stepped exit surface having a step in the vertical direction and/or the horizontal direction. The stepped pattern emergent surface with the drop height can be converted into other shapes according to the modeling requirement, such as a neat pattern surface, and the pattern form can be adjusted according to the modeling requirement.
In a preferred embodiment of the present invention, the coupling-in surface 115 is a free-form surface comprising at least one ridge or valley stripe 116 extending in a direction perpendicular to the light-emitting direction, which ridge or valley stripe 116 is parallel to each other. The coupling incident surface 115 of the light guiding member 1 can achieve the effect of primarily adjusting the original light distribution of the LED, and the free curved surface of the raised stripe or recessed stripe 116 can amplify the light beam emitted from the LED light emitting element 22 by a certain angle along the depth direction of the vehicle, so that the light beam is covered more uniformly when the rear optical surface 112 performs total reflection.
In a preferred embodiment of the invention, the light-guiding member 1 is injection molded from PMMA or PC material, either once or twice.
The invention discloses a car lamp, which comprises a car lamp shell, a decorative ring 5, a bracket part 6, a light source part 2, an outer lens 4 and a light guide part 1, wherein the light guide part 1 is fixed between the decorative ring 5 and the bracket part 6, and the outer lens 4 is arranged in front of a front optical surface 111 of the light guide part 1. The external lens 4 can be used for distributing the received uniform light again, for example, the light distribution of different colors can be realized by arranging an optical film.
In a preferred embodiment of the invention the upper interface 13 of the light guiding member 1 is provided with a link structure 16 for fixing the light source member 2 and a snap-in structure 17 for positioning the bezel 5, and the lower interface 114 of the light guiding member 1 is provided with a boss structure (not shown) in combination with the bracket member 6 for laser welded connection of the light guiding member 1 and the bracket member 6. These mounting structures minimize the impact of non-optical structures on the optical system.
According to the light guide member 1 of the present invention, light distribution can be performed a plurality of times in the light guide member 1, and thus the difference in the light emission directions of each LED light emitting element 22 itself can be adjusted, so that the brightness of the lighting area of the lamp in each direction is uniform. The arrangement of the first optical surface 141 and the second optical surface 142 of the hollow optical area 14 of the light guide member 1 increases the coverage area of the parallel light beams emitted along the light emitting direction 3, makes the dark area between the light rays emitted by the two adjacent LED light emitting elements 22 not obvious, and can ensure that the light distribution of the emitted light beams of each lateral area is approximately the same in the lateral direction and the vertical direction, so that the final lighting effect is quite uniform seen from all directions. The mounting structure provided on the light guide member 1 can minimize the influence of the non-optical structure on the optical system.
It should be noted that the embodiments of the present invention are preferred and not limited in any way, and any person skilled in the art may make use of the above-disclosed technical content to change or modify the same into equivalent effective embodiments without departing from the technical scope of the present invention, and any modification or equivalent change and modification of the above-described embodiments according to the technical substance of the present invention still falls within the scope of the technical scope of the present invention.
Claims (16)
1. A light guide member comprising at least one optical unit comprising a front optical surface, a rear optical surface, an upper surface and a lower surface, a coupling entrance surface being provided on the upper surface with a connecting edge of the rear optical surface, a light source member being provided above the coupling entrance surface, the rear optical surface being a fully reflective surface, the front optical surface being a stepped exit surface, characterized in that the optical unit comprises at least one hollow optical zone comprising a first optical surface close to the rear optical surface and a second optical surface close to the front optical surface.
2. The light guide member of claim 1, wherein the aperture of said hollow optical zone has a gradual trend from top to bottom in the vertical direction.
3. The light guide member of claim 1, wherein said front optical surface is a stepped exit surface having a step in a vertical direction and/or a horizontal direction.
4. The light guide member of claim 1, wherein said rear optical surface is any one of a free-form surface and a planar surface.
5. The light guide member of claim 1, wherein said first optical surface is a free-form surface and said second optical surface is a free-form surface having vertical convex or concave stripes.
6. The light guide member of claim 1, wherein said coupling-in surface is a surface comprising at least one of a convex stripe or a concave stripe extending in a direction perpendicular to the light emission direction in parallel with each other, and said concave stripe or convex stripe has a free-form surface.
7. The light guide member of claim 2, wherein said hollow optical zone becomes progressively larger in diameter.
8. The light guide member of any one of claims 1-7, wherein said second optical surface is an arcuate structure that is convex or concave in a direction toward said rear optical surface.
9. The light guide member of claim 8, wherein said second optical surface has a width configured to receive all light rays diffused by said first optical surface.
10. The light guide member of claim 5, wherein said vertical male or female stripes have a pitch of 1-3mm.
11. The light guide member of any one of claims 1-7, wherein said light source member comprises a printed circuit board and at least one LED light emitting element mounted thereon, said rear optical surface of each of said optical units corresponding to at least one of said LED light emitting elements.
12. A light-guiding member as claimed in any one of claims 1 to 7, comprising a plurality of said optical units, said rear optical faces of adjacent two of said optical units being joined together by a joining face and forming a stepped structure.
13. The light guide member of claim 11, wherein a spacing between two adjacent ones of said LED light emitting elements is 2-25mm.
14. The light guide member of claim 12, wherein said front optical surface of each of said optical units is joined to form an integral exit surface having a patterned structure along a horizontal extension of adjacent ones of said optical units of said light guide member.
15. A vehicle lamp comprising a lamp housing and a bezel, a bracket member, a light source member, an outer lens and a light guide member provided in the lamp housing, wherein the light guide member is structured as claimed in any one of claims 1 to 14.
16. The vehicle lamp according to claim 15, wherein the light guide member is fixed between the bezel and the bracket member, the outer lens is disposed in front of the front optical surface of the light guide member, an upper interface of the light guide member is provided with a link structure for fixing the light source member and a ring structure for positioning the bezel, and a lower interface of the light guide member is provided with a boss structure combined with the bracket member for connection of the light guide member and the bracket member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289306.2A CN107346045B (en) | 2016-05-04 | 2016-05-04 | Light guide component and car lamp with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289306.2A CN107346045B (en) | 2016-05-04 | 2016-05-04 | Light guide component and car lamp with same |
Publications (2)
| Publication Number | Publication Date |
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| CN107346045A CN107346045A (en) | 2017-11-14 |
| CN107346045B true CN107346045B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610289306.2A Active CN107346045B (en) | 2016-05-04 | 2016-05-04 | Light guide component and car lamp with same |
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| CN (1) | CN107346045B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571707A (en) * | 2017-12-06 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of reflective heavy wall light guide and lighting device |
| CN109990243A (en) * | 2017-12-29 | 2019-07-09 | 法雷奥照明湖北技术中心有限公司 | Light emitting device and motor vehicles for motor vehicles |
| CN108489460B (en) * | 2018-03-28 | 2020-07-10 | 福建省永正工程质量检测有限公司 | High-formwork-supporting high-precision inclination angle testing system |
| CN108775546A (en) * | 2018-07-17 | 2018-11-09 | 华域视觉科技(上海)有限公司 | Car light light conducting bar |
| CN110043870B (en) * | 2019-04-22 | 2024-04-12 | 大茂伟瑞柯车灯有限公司 | Low-cost thick-wall light guide structure |
| CN110285356A (en) * | 2019-07-25 | 2019-09-27 | 华域视觉科技(上海)有限公司 | A kind of optical system for realizing car light uniformly light-emitting |
| CN214369894U (en) * | 2021-04-26 | 2021-10-08 | 华域视觉科技(上海)有限公司 | Light emitting device and vehicle |
| CN115059897A (en) * | 2022-06-29 | 2022-09-16 | 嘉兴海拉灯具有限公司 | Light guide structure, optical system and car light |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2743567A1 (en) * | 2012-12-14 | 2014-06-18 | Valeo Vision | Primary optical element, lighting module and headlight for motor vehicle |
| CN104696846A (en) * | 2015-03-04 | 2015-06-10 | 上海小糸车灯有限公司 | LED optical structure for car lamps |
| CN204515181U (en) * | 2015-03-31 | 2015-07-29 | 海拉(上海)管理有限公司 | A kind of photocon and car light photoconduction mechanism |
| CN104930429A (en) * | 2014-03-20 | 2015-09-23 | 法雷奥照明公司 | Light Module For Daytime Running Lights Of A Motor Vehicle |
| CN105135316A (en) * | 2015-08-25 | 2015-12-09 | 马瑞利汽车零部件(芜湖)有限公司 | Novel automotive tail light with combined optical system |
| CN205749972U (en) * | 2016-05-04 | 2016-11-30 | 嘉兴海拉灯具有限公司 | A kind of light guide member and there is the car light of this light guide member |
-
2016
- 2016-05-04 CN CN201610289306.2A patent/CN107346045B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2743567A1 (en) * | 2012-12-14 | 2014-06-18 | Valeo Vision | Primary optical element, lighting module and headlight for motor vehicle |
| CN104930429A (en) * | 2014-03-20 | 2015-09-23 | 法雷奥照明公司 | Light Module For Daytime Running Lights Of A Motor Vehicle |
| CN104696846A (en) * | 2015-03-04 | 2015-06-10 | 上海小糸车灯有限公司 | LED optical structure for car lamps |
| CN204515181U (en) * | 2015-03-31 | 2015-07-29 | 海拉(上海)管理有限公司 | A kind of photocon and car light photoconduction mechanism |
| CN105135316A (en) * | 2015-08-25 | 2015-12-09 | 马瑞利汽车零部件(芜湖)有限公司 | Novel automotive tail light with combined optical system |
| CN205749972U (en) * | 2016-05-04 | 2016-11-30 | 嘉兴海拉灯具有限公司 | A kind of light guide member and there is the car light of this light guide member |
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| CN107346045A (en) | 2017-11-14 |
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