CN111156471B - Light guide, lighting structure, lighting method and corresponding vehicle lamp and vehicle - Google Patents
Light guide, lighting structure, lighting method and corresponding vehicle lamp and vehicle Download PDFInfo
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- CN111156471B CN111156471B CN201811321777.2A CN201811321777A CN111156471B CN 111156471 B CN111156471 B CN 111156471B CN 201811321777 A CN201811321777 A CN 201811321777A CN 111156471 B CN111156471 B CN 111156471B
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- light
- reflecting
- light guide
- light reflecting
- reflecting part
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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]
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
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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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
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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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
It is an object of one embodiment of the invention to reduce the space occupied by the light guide. The light guide according to the invention comprises: the light guide comprises a first light reflecting part, a second light reflecting part and a third light reflecting part, wherein the first light reflecting part, the second light reflecting part and the third light reflecting part form an L shape, the first light reflecting part forms one side of the L shape, the third light reflecting part forms the other side of the L shape, one end of the second light reflecting part is connected with the first light reflecting part, the other end of the second light reflecting part is connected with the third light reflecting part, the second light reflecting part comprises a protruding reflecting surface, and at least one part of the protruding reflecting surface is opposite to a light inlet of the light guide. The scheme has the advantages that: the space occupied by the light guide is greatly reduced, and the emergent light beams can be more uniformly distributed while the occupied space is reduced.
Description
Technical Field
The invention relates to the technical field of illumination, in particular to a light guide, an illumination structure, an illumination method, a corresponding car lamp and a corresponding car.
Background
In the current car light structure, a light processing structure is required to process the light path of the light source so as to realize the light meeting the regulations. However, in order to obtain the required light, the light processing structure actually used therefor often needs to occupy a large space, and particularly, the required distance in the direction from the light source to the light outlet is long. Resulting in a large space to be occupied by the entire vehicle lamp.
Disclosure of Invention
In view of the above, one of the problems addressed by one embodiment of the present invention is to reduce the space occupied by the light guide.
According to an aspect of the present invention, there is provided a light guide, wherein the light guide comprises:
a first light-reflecting part, a second light-reflecting part,
a second light-reflecting portion for reflecting light,
a third light-reflecting portion for reflecting light from the light-emitting element,
the first light reflecting portion, the second light reflecting portion and the third light reflecting portion form an L shape, the first light reflecting portion forms one side of the L shape, the third light reflecting portion forms the other side of the L shape, one end of the second light reflecting portion is connected to the first light reflecting portion, the other end of the second light reflecting portion is connected to the third light reflecting portion, the second light reflecting portion includes a protruding reflecting surface, and at least one portion of the protruding reflecting surface is opposite to the light inlet of the light guide.
According to the scheme of the embodiment, the L-shaped light guide is adopted, so that the required length of the light guide can be shortened, the space occupied by the light guide is reduced, and the space occupied by the corresponding vehicle lamp is reduced.
According to an aspect of the present invention, wherein the protruding reflecting surface has a plurality of minute protrusions to disperse the light beam.
According to an aspect of the present invention, wherein the protruding reflective surface may be curved as a whole.
According to the scheme of the embodiment, the light beams are dispersed by adopting the protrusion structure, so that the light beams can be distributed at the outlet more uniformly.
According to an aspect of the invention, wherein the third light reflecting portion comprises two opposing reflecting surfaces: the reflective mirror comprises a first reflective surface and a second reflective surface, wherein the first reflective surface and the second reflective surface form a wedge shape.
According to one aspect of the invention, the included angle between the first reflecting surface and the second reflecting surface is 15-25 degrees.
According to the scheme of the embodiment, most of light beams in the light guide can be emitted from the light guide through the wedge-shaped structure, and the energy loss of the light source is reduced.
According to an aspect of the invention, wherein the second light reflecting portion is contiguous with the plurality of first light reflecting portions.
According to an aspect of the present invention, the light guide further has a light incident portion, one end of the light incident portion is a light beam entrance, and the other end is connected to the first light reflecting portion. The light incident part is provided with a protrusion transmission structure so as to disperse incident light beams.
According to an aspect of the present invention, the light guide further includes a light exit portion, one end of the light exit portion is connected to the third light reflecting portion, and the other end of the light exit portion is a light beam exit, and the light exit portion has a protrusion transmission structure to disperse an exit light beam.
According to the scheme of the embodiment, the protruding transmission structure is further arranged at the light incoming part or the light outgoing part, so that light beams can be dispersed more, and emergent light is more uniform.
According to one aspect of the invention, wherein the light guide is a unitary piece. .
According to still another aspect of the present invention, there is also provided an illumination structure, wherein the illumination structure includes the light guide, and at least one LED light source corresponding to the light guide, and light beams emitted by the LED light source are guided by the light guide and then emitted.
According to yet another aspect of the invention, wherein the LED light source is a side emitting LED, the light guide is mounted to a light emitting side of the LED light source.
According to the scheme of the embodiment, by adopting the side-emitting LED, more space can be saved than that of the front-emitting LED, so that the space occupied by the whole lighting structure is smaller.
According to yet another aspect of the present invention, there is also provided a vehicle lamp, wherein the vehicle lamp includes the illumination structure.
The vehicle lamp of the scheme of the embodiment occupies smaller space and can be applied to more positions of the vehicle.
According to still another aspect of the present invention, there is also provided a vehicle including the lamp.
According to yet another aspect of the present invention, there is also provided an illumination method, wherein the illumination method employs the illumination structure, wherein the method includes the steps of:
a light beam emitted by the LED light source enters the light guide;
b, the light beam is dispersed after being reflected by the second light reflecting part;
c the dispersed light beam is emitted from the light guide.
According to the scheme of the embodiment, the L-shaped light guide is adopted, so that the required length of the light guide can be shortened, the space occupied by the light guide is reduced, and the space occupied by the corresponding vehicle lamp is reduced.
According to still another aspect of the present invention, wherein the light guide further has an incident portion and an exit portion, each of which has a protrusion transmission structure, the step a further includes:
-the light beam emitted by the LED light source is primarily dispersed after entering the light guide via the protruding transmission structure of the light entry portion;
wherein the step b further comprises:
-the primarily dispersed light beam is re-dispersed via the protruding reflective surface of the second light reflecting portion;
wherein the step c further comprises:
-the light beam, once again dispersed, exits the light guide after being third dispersed via the protruding transmissive structure of the light exit portion.
According to the scheme of the embodiment, the light beam is dispersed for multiple times in the L-shaped light guide, so that the emergent light beam is more uniform.
Compared with the prior art, the invention has the following advantages: according to the scheme of the invention, the space occupied by the light guide is greatly reduced, and the emergent light beams can be more uniformly distributed while the occupied space is reduced.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 illustrates a perspective view of a light guide according to one embodiment of the present invention;
FIG. 2a illustrates a side view cross-sectional schematic of a light guide according to one embodiment of the present invention;
FIG. 2b illustrates a side sectional view of a second light reflecting portion of a light guide according to an embodiment of the present invention;
FIG. 3 illustrates a schematic diagram of light paths in a light guide according to one embodiment of the present invention.
FIG. 4 illustrates a perspective view of an illumination structure according to an embodiment of the present invention;
FIG. 5 illustrates a schematic top view of an illumination configuration according to an embodiment of the present invention;
fig. 6a is a schematic structural diagram illustrating a plurality of light incident portions of an illumination structure according to an embodiment of the present invention;
fig. 6b illustrates a schematic view of a protrusion transmission structure of a light entry portion of an illumination structure according to an embodiment of the present invention.
List of reference numbers:
| 100 | light guide | 110 | A first light reflecting part |
| 120 | A second |
121 | Raised |
| 1211 | |
130 | The third |
| 131 | First |
132 | The second |
| 140 | |
150 | |
| 151 | |
160 | |
| 200 | |
300 | |
| 400 | Support structure |
Detailed Description
Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Embodiments in accordance with the present invention disclose a light guide, a lighting structure having the light guide, a vehicle lamp having the lighting structure, and a vehicle employing the vehicle lamp.
Reference is made to fig. 1 and fig. 2a, 2b.
Wherein fig. 1 illustrates a schematic perspective view of a light guide 100 suitable for use in the illumination structure according to an embodiment of the present invention, and fig. 2a illustrates a schematic side sectional view of a light guide 100 according to an embodiment of the present invention; in particular,base:Sub>A schematic cross-sectional view along linebase:Sub>A-base:Sub>A on the basis of the lighting structure shown in fig. 5; fig. 2b illustrates a schematic side view cross-section of the second light-reflecting surface 120 of a light guide 100 according to an embodiment of the present invention.
The light guide 100 according to the present embodiment includes a first light reflecting portion 110, a second light reflecting portion 120, and a third light reflecting portion 130.
The first light reflecting part 110, the second light reflecting part 120 and the third light reflecting part 130 form an L shape. The first light reflecting portion 110 forms one side of the L-shape, the third light reflecting portion 130 forms the other side of the L-shape, one end of the second light reflecting portion 120 is connected to the first light reflecting portion 110, and the other end is connected to the third light reflecting portion 130, the second light reflecting portion 120 includes a protruding reflecting surface 121, and at least a portion of the protruding reflecting surface 121 is opposite to the light entrance of the light guide.
The first light reflecting part 110, the second light reflecting part 120, and the third light reflecting part 130 are all cylindrical structures. The cylindrical structure may be a circular cylinder, a square cylinder, or an irregular cylinder structure.
Specifically, one end of the first light reflecting portion 110 receives the incident light beam, and the other end is connected to the second light reflecting portion 120; one end of the second light reflecting part 120 is connected with the first light reflecting part 110, and the other end is connected with the third light reflecting part 130; one end of the third light reflecting portion 130 is connected to the first light reflecting portion 110, and the other end is used for emitting the light beam.
The light beam from the light source enters from one end of the first light reflecting portion 110, passes through the second light reflecting portion 120, and exits from one end of the third light reflecting portion 130.
The second light reflecting portion 120 includes a protruding reflecting surface 121. The surface of the protruding reflective surface 121 has a protruding structure 1211 which is a micro-convex optical structure such that a light beam incident on the surface is diverged in various directions when reflected.
Wherein, the optical structure of the micro-protrusion can be in any shape which can make the light beam diverge. For example, pillow-like structures; for example, a frost-like structure.
Preferably, the protruding reflective surface 121 may be curved as a whole.
According to a preferable aspect of the present embodiment, the third light reflecting portion 130 according to the present embodiment includes two opposing reflecting surfaces: a first reflective surface 131 and a second reflective surface 132. Wherein the two reflecting surfaces are opposite to form a wedge shape.
Preferably, referring to fig. 2, fig. 2 illustrates the angle α formed by the two reflecting surfaces. The angle is a small acute angle.
More preferably, the angle ranges between 15 degrees and 25 degrees. Namely, alpha is less than or equal to 15 degrees and less than or equal to 25 degrees.
According to a preferred embodiment of the present invention, the light guide 100 further comprises at least one light entry portion 140.
The light incident portion 140 has one end serving as a light beam entrance and the other end connected to the first light reflecting portion 110.
Preferably, the light incident portion 140 has a protrusion transmission structure to disperse incident light beams.
The surface of the protruding transmissive structure has a micro-convex optical structure, so that the light beam is diverged in all directions when passing through the structure.
The optical structure of the micro-protrusion can be any shape which can make the light beam diverge. For example, pillow-like structures; for example, a frost-like structure.
It will be understood by those skilled in the art that the degree of dispersion of the light beam can be controlled by controlling the particle size, shape, etc. of the minute protrusions.
Preferably, the light guide 100 may have a plurality of light incident portions 140. Referring to fig. 6a and 6b, fig. 6a illustrates a schematic view of the illumination structure shown in fig. 4 along a light incident direction of the light incident portion 140, and fig. 6b illustrates a protrusion transmission structure of the light incident portion 140.
More preferably, according to the light guide 100 of the preferred embodiment, the second light reflecting portion 120 may be connected to a plurality of first light reflecting portions 110, wherein each of the first light reflecting portions 100 is connected to a light incident portion 140.
According to a preferred embodiment of the present invention, the light guide 100 further comprises a light exit portion 150.
One end of the light-emitting part 150 is connected to the third light-reflecting part 130, and the other end is a light beam outlet.
Preferably, referring to fig. 5, the light emergent portion 150 has a protrusion transmissive structure 151, and the protrusion transmissive structure 151 enables a light beam to be diverged in various directions when penetrating the structure.
The protrusion transmissive structure 151 is described in the light incident portion 140, and is not described herein again.
It should be understood by those skilled in the art that different forms of the protruding transmission structure may be adopted in the light incident portion 140 and the light emergent portion 150, respectively, according to actual needs.
According to one embodiment of the invention, the light guide 100 is a unitary piece. Preferably, the first light emitting part 110, the second light emitting part 120 and the third light emitting part 130 are injection molded pieces which are integrally molded.
More preferably, the light incident portion 140, the first light emitting portion 110, the second light emitting portion 120, the third light emitting portion 130, and the light emitting portion 150 are injection molded pieces that are integrally molded.
According to a preferred aspect of the present embodiment, the light guide 100 according to the present invention may further include a mounting portion for mounting the light guide to other components, and the like.
More preferably, the mounting portion of the light guide 100 is also integral.
With continued reference to FIG. 3, FIG. 3 illustrates a simplified schematic of the light path in a light guide according to one embodiment of the invention.
According to the method of the invention, the light beam emitted by the light source 200 enters said light guide 100; the light beam is reflected by the second light reflecting part and then dispersed; the dispersed light beam is emitted from the light guide.
According to a preferred embodiment, the light guide further has an light entry portion and a light exit portion, both having a protruding transmissive structure. Wherein, after a light beam emitted from a light source 200, such as a side-emitting LED, enters the light guide 100 via the protruding transmission structure of the light incident portion 140, the light beam is primarily dispersed; then, the light flux is reflected by the second light reflecting portion 120 and is dispersed again through the protruding reflecting surface 121 of the second light reflecting portion 120; subsequently, the re-dispersed light beam is third dispersed via the protruding transmission structure of the light exit part 150 and exits the light guide 100.
By dispersing the light source beam a plurality of times, the light exiting the light guide can be made more uniform.
Combine fig. 4 and 5. Fig. 4 and 5 illustrate a perspective view of an illumination structure according to the invention, and a schematic view perpendicular to the PCB direction, respectively.
Wherein at least one light guide 100 and at least one light source 200 are provided according to the illumination configuration shown in fig. 4 and 5.
The light source 200 may be any light source suitable for the structure.
Preferably, the light source 200 is an LED light source.
Preferably, the lighting structure further comprises a support structure 400 for mounting the PCB board 300 of the LED light source 200 and/or the light guide 100.
More preferably, the light source 200 is a front emitting LED (front LED) or a Side emitting LED (Side LED).
When the light source 200 is a front light emitting LED (front LED), the light beam emitted by the front light emitting LED is perpendicular to the PCB where the front light emitting LED is located, and at this time, the opening of the light guide 100, that is, the opening of the first light reflecting portion 110, or the openings of the first light reflecting portion 110 and the light incident portion 140, need to be perpendicular to the PCB where the front light emitting LED is located, so as to receive the light beam. Those skilled in the art should appreciate that the corresponding structures are not shown in the present disclosure in order to determine the corresponding structures.
When the light source 200 is a side-emitting LED (side LED), the light beam emitted by the side-emitting LED is parallel to the PCB where the side-emitting LED is located, and at this time, the opening of the light guide 100, i.e., the opening of the first light reflecting portion 110, or the openings of the first light reflecting portion 110 and the light incident portion 140, need to be parallel to the PCB where the side-emitting LED is located to receive the light beam. As shown in figures 1-3.
Wherein, through adopting the luminous LED of side, can further practice thrift the space that this light guide occupied.
Compared with the prior art, the invention has the following advantages: through L type structure, very big shrink the required space that occupies of light guide to when reducing the shared space, can make emergent light beam more evenly distributed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the system claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (10)
1. An illumination structure comprising a light guide (100), at least one light source (200) corresponding to the light guide (100), and a PCB board mounting the at least one light source (200), a light beam emitted from the light source (200) being emitted after being guided by the light guide (100), wherein the light guide (100) comprises:
a first light reflecting portion (110),
a second light reflecting portion (120),
a third light reflecting portion (130),
the first light reflecting part (110), the second light reflecting part (120) and the third light reflecting part (130) form an L shape, the first light reflecting part (110) forms one side of the L shape, the third light reflecting part (130) forms the other side of the L shape, one end of the second light reflecting part (120) is connected with the first light reflecting part (110), the other end of the second light reflecting part is connected with the third light reflecting part (130), the second light reflecting part (120) comprises a protruding reflecting surface (121), and at least one part of the protruding reflecting surface (121) is opposite to the light inlet (160) of the light guide (100);
wherein the third light reflecting portion (130) comprises two opposing reflecting surfaces: a first reflecting surface (131) and a second reflecting surface (132), the first reflecting surface (131) and the second reflecting surface (132) form a wedge shape, and an included angle of the first reflecting surface (131) and the second reflecting surface (132) on a light emitting side of the light guide (100) is an acute angle;
wherein the light source (200) is a side emitting LED, and the first light reflecting part (110) extends substantially parallel to the PCB.
2. Illumination structure according to claim 1, wherein the protruding reflective surface (121) has a plurality of tiny protruding structures (1211) to spread the light beam.
3. The lighting structure according to claim 1 or 2, wherein the protruding reflecting surface (121) may be curved as a whole.
4. The lighting structure of claim 1, wherein the first reflecting surface (131) and the second reflecting surface (132) are angled at 15-25 degrees.
5. The lighting structure according to any one of claims 1 to 4, wherein the second light reflecting portion (120) adjoins a plurality of first light reflecting portions (110).
6. The illumination structure according to any one of claims 1 to 4, wherein the light guide (100) further has a light incident portion (140), the light incident portion (140) has a light incident port (160) at one end and is connected to the first light reflecting portion (110) at one end, and the light incident portion (140) has a protrusion transmission structure to disperse an incident light beam.
7. Illumination structure according to any one of claims 1 to 4, wherein the light guide (100) further has a light exit portion (150), the light exit portion (150) being connected to the third light reflecting portion (130) at one end and being a light beam exit at the other end, the light exit portion (150) having a protruding transmissive structure (151) to disperse the exiting light beam.
8. The lighting structure according to any one of claims 1 to 4, wherein the light guide (100) is in one piece.
9. A vehicular lamp, wherein the vehicular lamp comprises the lighting structure according to any one of claims 1 to 8.
10. A vehicle comprising the lamp of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321777.2A CN111156471B (en) | 2018-11-07 | 2018-11-07 | Light guide, lighting structure, lighting method and corresponding vehicle lamp and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811321777.2A CN111156471B (en) | 2018-11-07 | 2018-11-07 | Light guide, lighting structure, lighting method and corresponding vehicle lamp and vehicle |
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| CN111156471A CN111156471A (en) | 2020-05-15 |
| CN111156471B true CN111156471B (en) | 2023-04-07 |
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| JP2013191406A (en) * | 2012-03-14 | 2013-09-26 | Koito Mfg Co Ltd | Vehicle lamp |
| KR20180100758A (en) * | 2017-03-02 | 2018-09-12 | 에스엘 주식회사 | Lamp for vehicle |
| CN206708917U (en) * | 2017-04-13 | 2017-12-05 | 嘉兴海拉灯具有限公司 | Light guide, the guiding device with the light guide and the car light with the device |
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