CN114909636A - Light guide thick wall part optical system with folded angle for eliminating light bright spots and car lamp - Google Patents
Light guide thick wall part optical system with folded angle for eliminating light bright spots and car lamp Download PDFInfo
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- CN114909636A CN114909636A CN202210468239.6A CN202210468239A CN114909636A CN 114909636 A CN114909636 A CN 114909636A CN 202210468239 A CN202210468239 A CN 202210468239A CN 114909636 A CN114909636 A CN 114909636A
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- light
- thick
- light guide
- total reflection
- walled
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- 230000003287 optical effect Effects 0.000 title claims abstract description 44
- 238000009792 diffusion process Methods 0.000 claims description 20
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 230000036548 skin texture Effects 0.000 claims 1
- NMWSKOLWZZWHPL-UHFFFAOYSA-N 3-chlorobiphenyl Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1 NMWSKOLWZZWHPL-UHFFFAOYSA-N 0.000 description 5
- 101001082832 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) Pyruvate carboxylase 2 Proteins 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/322—Optical layout thereof the reflector using total internal reflection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention provides an optical system with a bevel and light bright spot eliminating light guide thick-wall part and a vehicle lamp, which relate to the technical field of vehicle lamps, and comprise an LED light source, a PCB (printed circuit board), a light guide modeling total reflection surface and a thick-wall part structure, wherein the LED light source is connected to the PCB, the LED light source is positioned at the top of the light guide modeling total reflection surface, the structure between thick walls is positioned at one side of the light guide modeling total reflection surface, and the structure between the PCB and the thick walls is positioned at the same side; a part of light emitted by the LED light source enters the thick-wall interval structure after being totally reflected by the light guide modeling total reflection surface, and is emitted into the air after being reflected for multiple times by the internal structure of the thick-wall interval structure, so that the light emitting surface of the thick-wall component of the thick-wall interval structure is uniformly lightened; the PCB shields the other part of the light emitted by the LED light source and not entering the light guide modeling total reflection surface, and bright spots of the light can be prevented from being seen in a visible range. Under the condition of limited transverse space, the light mixing distance of light rays in the light guide is increased through the total reflection section; and shielding the bright spots at the light source through the PCB.
Description
Technical Field
The invention relates to the technical field of vehicle lamps, in particular to an optical system of a light guide thick-walled part with a folded angle for eliminating light bright spots and a vehicle lamp.
Background
In an optical system of a general light guide thickened wall part, light guide teeth are arranged on the back surface of a light guide, light guide emergent rays are emergent towards the front surface of a car lamp and then irradiate an inner lens, a relatively uniform lighting effect can be realized only by a relatively large light ray mixing distance at a light inlet end of the light guide, and the requirement on a transverse space is relatively high. In the existing optical system, the light ray has obvious bright spots which are difficult to completely shield by the decorative ring and are defects on the modeling. Meanwhile, the light and the light guide are positioned on the same horizontal plane, and the arrangement has the defect that the light mixing distance of the light incoming end of the light guide is short, so that the uniformity of the light with the final lighting effect is poor.
The patent document retrieval of the prior art finds that the Chinese invention patent publication number is CN102829442A, discloses a clamping structure and a lighting device comprising the clamping structure, belongs to the technical field of clamping structures, and is reasonable and reliable in structure, simple to operate and convenient to disassemble and assemble products. The hook comprises a shell, a hook component, an elastic piece and a sliding main body, wherein the elastic piece is arranged between the shell and the sliding main body; the sliding body is arranged on the shell in a sliding mode, one end of the sliding body is provided with a clamping part, and a stroke cavity is formed in the sliding body; one end of the hook member is rotatably connected to the shell, the other end of the hook member elastically abuts against the stroke cavity, a central bulge portion capable of abutting against the hook member is convexly arranged in the center of the stroke cavity, and the stroke cavity is annularly arranged around the central bulge portion. The invention provides a small-sized component mounting structure, which solves the problem of insufficient internal space of a narrow-model car lamp. Therefore, the method disclosed in the document and the invention belong to different inventive concepts.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an optical system of a light guide thick-walled member with a folded angle for eliminating bright spots of light and a vehicle lamp.
The invention provides an optical system of a light guide thick-walled part with a break angle for eliminating light bright spots, which comprises an LED light source, a PCB (printed circuit board), a light guide modeling total reflection surface and a thick-walled part structure, wherein the LED light source is connected to the PCB, the LED light source is positioned at the top of the light guide modeling total reflection surface, the thick-walled part structure is positioned at one side of the light guide modeling total reflection surface, and the PCB and the thick-walled part structure are positioned at the same side;
part of light emitted by the LED light source is refracted by the light guide modeling total reflection surface to enter air and then enters the thick-walled part structure, the light passing through the thick-walled part structure is reflected for multiple times in the internal structure of the thick-walled part structure and then is emitted into the air, and the light emitting surface of the thick-walled part structure is uniformly lightened; the PCB shields the other part of the light emitted by the LED light source which does not enter the light guide modeling total reflection surface, and bright spots of the light are prevented from being seen in a visible range.
In some embodiments, the light guide shaping total reflection surface is L-shaped.
In some embodiments, the bending part of the light guide modeling total reflection surface is provided with a total reflection tangent plane;
the light mixing distance of the light in the total reflection surface of the light guide model is increased through the total reflection tangent plane.
In some embodiments, the angle between the total reflection section and the horizontal plane is acute.
In some embodiments, the light guide modeling total reflection surface is provided with light guide total reflection optical teeth;
the light guide total reflection optical tooth can make the light ray transmitted in the light guide modeling total reflection surface change the angle of the light ray when the light ray is totally reflected, so that the light ray is emitted to the air from the light guide modeling total reflection surface.
In some embodiments, the light totally reflected by the total reflection section is irradiated to the total reflection surface of the light guide for total reflection so as to continuously propagate in the light guide;
the other part of light irradiates on the light guide total reflection optical tooth, is totally reflected into the light guide modeling total reflection surface through the light guide total reflection optical tooth, enters air through the refraction of the light guide modeling total reflection surface, and then is transmitted into the transparent thick-walled member structure.
In some embodiments, two ends of the transparent thick-wall part structure are respectively connected with a thick-wall part light inlet surface and a thick-wall part light outlet surface, the thick-wall part light inlet surface is positioned on one side of the light guide modeling total reflection surface, and the thick-wall part light inlet surface is provided with a diffusion optical pattern;
the light totally reflected from the total reflection surface of the light guide modeling enters the transparent thick-walled part structure after being diffused by the diffusion optical patterns, then is transmitted to the light-emitting surface of the thick-walled part, is diffused by the light-emitting surface of the thick-walled part and then is emitted into the air, and the light-emitting surface of the thick-walled part is lightened.
In some embodiments, the outer side of the transparent thick-walled member structure is attached to the thick-walled member side.
In some embodiments, the light-emitting surface of the thick-wall part and/or the side surface of the thick-wall part are/is provided with diffusion dermatoglyphs;
when the light-emitting surface of the thick-wall part is provided with the diffusion dermatoglyph, the light-emitting surface of the thick-wall part is uniformly lightened after being diffused by the diffusion dermatoglyph on the light-emitting surface of the thick-wall part;
when the side face of the thick-wall part is provided with the diffusion dermatoglyph, the side face of the thick-wall part eliminates the bright spots caused by the emergent rays from the side face.
The invention also provides a vehicle lamp, which comprises an optical system of the light guide thick-walled member with a folded angle for eliminating light bright spots.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention adopts the total reflection section which is obliquely arranged at the light inlet end of the light guide, and can effectively increase the light mixing distance of light rays in the light guide under the condition of limited transverse space;
(2) the light after total reflection enters the thick-wall part structure, and is totally reflected for multiple times in the thick-wall part from the thick to the thin, so that the emergent light from the emergent surface of the thick-wall part uniformly lights the emergent surface;
(3) the PCB is adopted, so that bright spots at a light source are shielded under the condition of not increasing additional structures and spaces; meanwhile, the PCB is shielded through the decorative ring, so that the aesthetic feeling of the appearance is not influenced;
(4) the invention adopts the L-shaped light guide modeling total reflection surface to be matched with the LED light source for use, thereby not only increasing the light mixing distance of the light inside the light guide, but also ensuring the uniformity of the light.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a top view of the present invention;
FIG. 2 is a top perspective view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a right side view of the present invention;
FIG. 6 is a rear view of the present invention;
FIG. 7 is a rear view of the total reflecting surface of the light guide profile of the present invention;
fig. 8 is a rear view of the construction of the thick-walled member of the present invention.
Reference numbers in the figures:
the LED light source comprises an LED light source 1, a PCB 2, a light guide modeling total reflection surface 3, a total reflection tangent plane 4, a light guide total reflection optical tooth 5, a thick-wall part structure 6, a thick-wall part light inlet surface 7, a thick-wall part light outlet surface 8, a thick-wall part side surface 9 and a diffusion optical pattern 10.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
The optical system of the light guide thick-walled part with the break angle for eliminating the light bright spots, as shown in fig. 1-8, comprises an LED light source 1, a PCB board 2, a light guide modeling total reflection surface 3, a total reflection section 4, a light guide total reflection optical tooth 5, a thick-walled part structure 6, a thick-walled part light inlet surface 7, a thick-walled part light outlet surface 8, a thick-walled part side surface 9 and a diffusion optical pattern 10. As shown in fig. 1-3, the LED light source 1 is connected to the PCB 2, the LED light source 1 is located on the top of the light guide shaped total reflection surface 3, the thick-wall structure 6 is located on one side of the light guide shaped total reflection surface 3, and the PCB 2 and the thick-wall structure 6 are located on the same side.
As shown in fig. 2-4, the light guide shaping total reflecting surface 3 is L-shaped. The bent part of the light guide modeling total reflection surface 3 is provided with a total reflection section 4, the included angle between the total reflection section 4 and the horizontal plane is an acute angle, and the light mixing distance of the light in the light guide modeling total reflection surface 3 is increased through the total reflection section 4. The light guide modeling total reflection surface 3 is provided with a light guide total reflection optical tooth 5, and the light guide total reflection optical tooth 5 can change the angle of light rays when the light rays transmitted in the light guide modeling total reflection surface 3 are totally reflected, so that the light rays are emitted to the air from the light guide modeling total reflection surface 3.
As shown in fig. 5-8, the outside of the transparent thick-walled member structure 6 is connected to the thick-walled member side 9. The two ends of the transparent thick-wall part structure 6 are respectively connected with a thick-wall part light inlet surface 7 and a thick-wall part light outlet surface 8, the thick-wall part light inlet surface 7 is positioned on one side of the light guide modeling total reflection surface 3, and the thick-wall part light inlet surface 7 is provided with a diffuse optical pattern 10. The light totally reflected from the light guide modeling total reflection surface 3 enters the transparent thick-walled component structure 6 after being diffused by the diffusion optical patterns 10, then propagates to the light-emitting surface 8 of the thick-walled component, is diffused by the light-emitting surface 8 of the thick-walled component, and then is emitted into the air, so that the light-emitting surface 8 of the thick-walled component is lightened.
The working principle is as follows:a part of light emitted by the LED light source 1 and not entering the light guide modeling total reflection surface 3 is shielded by the PCB 2, so that bright spots of the light can be prevented from being seen in a visible range outside the automobile lamp. The other part of the light emitted by the LED light source 1 enters the light inlet section of the light guide modeling total reflection surface 3 to be mixed to form uniform light, and then the uniform light is reflected by the total reflection section 4. The light totally reflected by the total reflection section 4 irradiates a part of the light into the light guide modeling total reflection surface 3 for total reflection; the other part of light irradiates on the light guide total reflection optical tooth 5, is totally reflected into the light guide modeling total reflection surface 3 through the light guide total reflection optical tooth 5, and is refracted through the light guide modeling total reflection surface 3 to enter air. The light emitted from the light guide modeling total reflection surface 3 is diffused by the diffusion optical pattern 10, enters the transparent thick-walled member structure 6 from the thick-walled member light inlet surface 7, is transmitted to the thick-walled member light outlet surface 8 in the transparent thick-walled member structure 6, is diffused by the thick-walled member light outlet surface 8, is emitted to the air, and lights the thick-walled member light outlet surface 8.
More specifically, the transparent thick-wall part structure 6 is in a diamond-shaped structure, the light inlet surface 7 of the thick-wall part is larger, the efficiency of the light guide emergent light entering the transparent thick-wall part can be improved, the thickness from the light inlet surface 7 of the thick-wall part to the light outlet surface 8 of the thick-wall part is gradually reduced, the thickness is gradually reduced, the light can be totally reflected in the thick-wall part more times, the light mixing efficiency is improved, and the lighting effect of the light outlet surface 8 of the thick-wall part is more uniform.
The light emitted by the LED light source 1 is refracted from an air medium to enter a plastic medium of the transparent light guide, if the light mixing distance in the light guide is short, bright spots are easily generated at the starting position of a lighting area, the total reflection tangent plane 4 in the invention can increase the light mixing distance of the light in the light guide on the premise of not additionally occupying a transverse space, and meanwhile, the PCB 2 can shield the light which does not enter the light guide, so that the bright spots of the light can be prevented from being seen in a visible range outside the automobile lamp. The PCB can be shielded through the decoration ring, so the PCB can not influence the appearance, but the bright spots at the light ray can not be completely shielded only through the decoration ring in the prior art.
Example 2
The embodiment 2 is completed on the basis of the embodiment 1, and specifically:
diffusion dermatoglyphs are arranged on the light-emitting surface 8 of the thick-wall part and/or the side surface 9 of the thick-wall part;
when the light-emitting surface 8 of the thick-wall part is provided with the diffusion dermatoglyph, the light-emitting surface 8 of the thick-wall part is uniformly lightened after being diffused by the diffusion dermatoglyph on the light-emitting surface 8 of the thick-wall part;
when the side face 9 of the thick-walled member is provided with the diffusion skin marks, the side face 9 of the thick-walled member eliminates bright spots caused by side outgoing rays.
Example 3
The invention also provides a vehicle lamp comprising the optical system of the light guide thick-walled member with the break angle eliminating light bright spot of the embodiment 1 or the embodiment 2.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The light guide thick-wall part optical system with the break angle for eliminating light bright spots is characterized by comprising an LED light source (1), a PCB (printed circuit board) board (2), a light guide modeling total reflection surface (3) and a thick-wall part structure (6), wherein the LED light source (1) is connected to the PCB board (2), the LED light source (1) is positioned at the top of the light guide modeling total reflection surface (3), the thick-wall structure (6) is positioned on one side of the light guide modeling total reflection surface (3), and the PCB board (2) and the thick-wall structure (6) are positioned on the same side;
part of light rays emitted by the LED light source (1) enter air after being refracted by the light guide modeling total reflection surface (3), then enter the thick-wall interval structure (6), are emitted into the air after being reflected for multiple times by the internal structure of the thick-wall interval structure (6), and uniformly lighten the thick-wall part light-emitting surface (8) of the thick-wall interval structure (6); the PCB (2) shields the other part of light emitted by the LED light source (1) and not entering the light guide modeling total reflection surface (3), and bright spots of the light are prevented from being seen in a visible range.
2. The optical system of the light guide thick-walled member with the broken angle for eliminating the light beam hot spot according to claim 1, wherein the light guide shaped total reflection surface (3) is L-shaped.
3. The optical system of the light guide thick-walled member with the bevel for eliminating the bright spot of the light according to claim 2, wherein the bending part of the light guide modeling total reflection surface (3) is provided with a total reflection tangent plane (4);
the light mixing distance of the light in the light guide modeling total reflection surface (3) is increased through the total reflection tangent plane (4).
4. The optical system of claim 3, wherein the angle between the total reflection section (4) and the horizontal plane is an acute angle.
5. The optical system with the angle folding function for eliminating the light bright spots of the light guide thick-walled member as claimed in claim 3, wherein the light guide modeling total reflection surface (3) is provided with light guide total reflection optical teeth (5);
the light guide total reflection optical tooth (5) can make the light transmitted in the light guide modeling total reflection surface (3) totally reflect, and simultaneously change the angle of the light, so that the light is emitted to the air from the light guide modeling total reflection surface (3).
6. The optical system of the light guide thick-walled member with the broken angle for eliminating the light bright spot according to claim 5, wherein a part of the light totally reflected by the total reflection section (4) irradiates into the total reflection surface (3) of the light guide for total reflection so as to continue to propagate in the light guide;
the other part of light irradiates on the light guide total reflection optical tooth (5), is totally reflected into the light guide modeling total reflection surface (3) through the light guide total reflection optical tooth (5), is refracted by the light guide modeling total reflection surface (3) to enter air, and is transmitted into the transparent thick-walled member structure (6).
7. The optical system with the angle of refraction for eliminating the bright spots of the light guide thick-walled part as claimed in claim 6, wherein the two ends of the transparent thick-walled part structure (6) are respectively connected with a thick-walled part light inlet surface (7) and a thick-walled part light outlet surface (8), the thick-walled part light inlet surface (7) is located on one side of the total reflection surface (3) of the light guide model, and the thick-walled part light inlet surface (7) is provided with a diffusion optical pattern (10);
the light totally reflected from the light guide modeling total reflection surface (3) enters the transparent thick-walled part structure (6) after being diffused by the diffusion optical patterns (10), then is transmitted to the thick-walled part light-emitting surface (8), is diffused by the thick-walled part light-emitting surface (8), then is emitted into the air, and lights the thick-walled part light-emitting surface (8).
8. The optical system of claim 7, wherein the outer side of the transparent thick-walled member structure (6) is connected to the thick-walled member side (9).
9. The optical system of the light guide thick-walled member with the break angle for eliminating the bright spot of the light of claim 8, wherein the light-emitting surface (8) and/or the side surface (9) of the thick-walled member is provided with a diffusion dermatoglyph;
when the light-emitting surface (8) of the thick-walled part is provided with the diffusion dermatoglyph, the light-emitting surface (8) of the thick-walled part is uniformly lightened after the diffusion dermatoglyph of the light-emitting surface (8) of the thick-walled part is diffused;
when the side face (9) of the thick-wall part is provided with the diffusion skin texture, the side face (9) of the thick-wall part eliminates bright spots caused by side emergent rays.
10. A vehicular lamp comprising the optical system of a light guide thick-walled member with fold angle elimination of light beam spots according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210468239.6A CN114909636A (en) | 2022-04-29 | 2022-04-29 | Light guide thick wall part optical system with folded angle for eliminating light bright spots and car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210468239.6A CN114909636A (en) | 2022-04-29 | 2022-04-29 | Light guide thick wall part optical system with folded angle for eliminating light bright spots and car lamp |
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| Publication Number | Publication Date |
|---|---|
| CN114909636A true CN114909636A (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210468239.6A Pending CN114909636A (en) | 2022-04-29 | 2022-04-29 | Light guide thick wall part optical system with folded angle for eliminating light bright spots and car lamp |
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| CN (1) | CN114909636A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109442344A (en) * | 2018-12-26 | 2019-03-08 | 马瑞利汽车零部件(芜湖)有限公司 | A kind of optical system realizing dynamic and lighting |
| CN109519873A (en) * | 2018-12-28 | 2019-03-26 | 马瑞利汽车零部件(芜湖)有限公司 | Optical system suitable for more moulding signal lamps |
| CN209672231U (en) * | 2018-12-26 | 2019-11-22 | 马瑞利汽车零部件(芜湖)有限公司 | A kind of optical system realizing dynamic and lighting |
| CN111536484A (en) * | 2020-04-21 | 2020-08-14 | 东风汽车集团有限公司 | Light guide pipe, combined type headlamp and vehicle |
| CN112268261A (en) * | 2020-11-12 | 2021-01-26 | 常州星宇车灯股份有限公司 | Optical structure for ensuring uniformity of large-area light-emitting area |
| CN113446574A (en) * | 2020-03-27 | 2021-09-28 | 长春海拉车灯有限公司 | Reflection component for car lamp, optical system and car lamp |
-
2022
- 2022-04-29 CN CN202210468239.6A patent/CN114909636A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442344A (en) * | 2018-12-26 | 2019-03-08 | 马瑞利汽车零部件(芜湖)有限公司 | A kind of optical system realizing dynamic and lighting |
| CN209672231U (en) * | 2018-12-26 | 2019-11-22 | 马瑞利汽车零部件(芜湖)有限公司 | A kind of optical system realizing dynamic and lighting |
| CN109519873A (en) * | 2018-12-28 | 2019-03-26 | 马瑞利汽车零部件(芜湖)有限公司 | Optical system suitable for more moulding signal lamps |
| CN113446574A (en) * | 2020-03-27 | 2021-09-28 | 长春海拉车灯有限公司 | Reflection component for car lamp, optical system and car lamp |
| CN111536484A (en) * | 2020-04-21 | 2020-08-14 | 东风汽车集团有限公司 | Light guide pipe, combined type headlamp and vehicle |
| CN112268261A (en) * | 2020-11-12 | 2021-01-26 | 常州星宇车灯股份有限公司 | Optical structure for ensuring uniformity of large-area light-emitting area |
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