CN112902109A - Optical system for car lamp and car lamp - Google Patents
Optical system for car lamp and car lamp Download PDFInfo
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- CN112902109A CN112902109A CN201911221215.5A CN201911221215A CN112902109A CN 112902109 A CN112902109 A CN 112902109A CN 201911221215 A CN201911221215 A CN 201911221215A CN 112902109 A CN112902109 A CN 112902109A
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- Prior art keywords
- light
- thick
- reflecting
- light guide
- optical system
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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
- F21S43/20—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
- 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
- F21S43/236—Light guides characterised by the shape of the light guide
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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
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
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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
- F21W2103/20—Direction indicator lights
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
本发明提供了一种用于车灯的光学系统及一种车灯，光学系统包括：光源、厚壁光导、透光部和反光碗；厚壁光导的入光面朝向所述光源；透光部位于厚壁光导一侧或环绕所述厚壁光导，透光部的入光面与厚壁光导的入光面同侧，透光部的出光面与厚壁光导的出光面同侧；反光碗位于光源一侧或环绕光源，反光碗用于将光源发出的光线反射向透光部的入光面；光源发出的一部分光线直接通过厚壁光导向外出射，用于满足法规配光要求；光源发出的另一部分光线直接或经反光碗反射后通过透光部向外出射，透光部用于增大车灯的点亮面积。采用上述技术方案后，使具有所述光学系统的车灯同时满足法规配光要求和最小点亮面积要求。
The invention provides an optical system for a vehicle lamp and a vehicle lamp. The optical system comprises: a light source, a thick-walled light guide, a light-transmitting part and a light-reflecting bowl; the light-incident surface of the thick-walled light guide faces the light source; The part is located on one side of the thick-walled light guide or surrounds the thick-walled light guide, the light-incident surface of the light-transmitting part is on the same side as the light-incident surface of the thick-walled light guide, and the light-emitting surface of the light-transmitting part is on the same side as the light-emitting surface of the thick-walled light guide; The bowl is located on one side of the light source or surrounds the light source, and the reflective bowl is used to reflect the light emitted by the light source to the light incident surface of the light-transmitting part; part of the light emitted by the light source is directed out through the thick-walled light to meet the light distribution requirements of regulations; Another part of the light emitted by the light source is directly or reflected by the reflective bowl and then exits through the light-transmitting part, and the light-transmitting part is used to increase the lighting area of the vehicle lamp. After the above technical solution is adopted, the vehicle lamp with the optical system can satisfy both the light distribution requirements of the regulations and the minimum lighting area requirements.
Description
Technical Field
The invention relates to the technical field of vehicle lamps, in particular to an optical system for a vehicle lamp and the vehicle lamp.
Background
The reflector and the thick-walled light guide are optical concepts commonly used in car lights, and the reflector optical concepts include a direct reflector optical concept and an indirect reflector optical concept. The reflector has high optical efficiency and simple manufacture and assembly process, and is widely used in the optical design of the car lamp. Compared with the optical concept of a light reflecting bowl, the optical concept of the thick-wall light guide is also widely applied to the design of the car lamp due to the characteristics that the thick-wall light guide has a special glittering and translucent non-lighting appearance effect and a lighting surface is uniform after lighting. However, the application range of the thick-wall light guide optical concept is limited by the factors of the geometric dimension, the optical efficiency, the manufacturing cost and the like of the thick-wall light guide optical concept.
In north america, some vehicle lights, such as a turn signal in a tail lamp of an automobile, are required to satisfy not only optical light distribution requirements stipulated by regulations but also a minimum lighting area required by the society of automotive engineers in the united states. If the reflector optical concept is used in the car lamp, although the optical efficiency is high, the light emitting surface before and after lighting is inconsistent in brightness and poor in uniformity. If the optical concept of the thick-walled part is used in the vehicle lamp, although the optical effect before and after lighting is better, the requirements of the American society of automotive Engineers on the minimum lighting area are met while the requirements of the American society of automotive Engineers on the minimum lighting area are difficult to meet on the basis of meeting the optical light distribution requirements of laws and regulations due to the limitations of geometric dimension, optical efficiency and cost.
Therefore, it is necessary to develop an optical system and a vehicle lamp that satisfy both the light distribution requirement and the minimum lighting area requirement of the regulations, have high optical efficiency, and have optical effects before and after lighting.
Disclosure of Invention
In order to overcome the technical defects, the invention aims to provide an optical system and a vehicle lamp which simultaneously meet the requirements of light distribution and minimum lighting area by regulations, have high optical efficiency and have optical effects before and after lighting.
The invention discloses an optical system for a vehicle lamp, comprising: the light source, the thick-wall light guide, the light transmission part and the light reflecting bowl;
the light incident surface of the thick-walled light guide faces the light source;
the light transmission part is positioned on one side of the thick-wall light guide or surrounds the thick-wall light guide, the light incident surface of the light transmission part is the same as the light incident surface of the thick-wall light guide, and the light emergent surface of the light transmission part is the same as the light emergent surface of the thick-wall light guide;
the light reflecting bowl is positioned on one side of the light source or surrounds the light source, and the light reflecting bowl is used for reflecting light rays emitted by the light source to the light incident surface of the light transmission part;
a part of light rays emitted by the light source directly emit to the light incident surface of the thick-wall light guide and emit outwards through the light emitting surface of the thick-wall light guide; a part of light rays emitted by the light source are emitted to the light reflecting bowl, are emitted to the light incident surface of the light transmission part after being reflected by the light reflecting bowl, and are emitted outwards through the light emitting surface of the light transmission part; and a part of light rays emitted by the light source directly emit to the light incident surface of the light transmission part and emit outwards through the light emitting surface of the light transmission part.
Preferably, the optical system further includes a reflection portion, the reflection portion is disposed on one side of the thick-walled light guide or surrounds the thick-walled light guide, the reflection portion is located between the light source and the light transmission portion, the reflection portion is configured to reflect the light emitted by the light source and directly emitted to the light transmission portion to the light reflection bowl, and the light reflected to the light reflection bowl is reflected by the light reflection bowl and then emitted to the light incident surface of the light transmission portion.
Preferably, the reflecting part and the light reflecting bowl are integrally formed.
Preferably, the light incident surface of the thick-walled light guide is an optical focus surface, the light source is located at a focal point of the optical focus surface, and the optical focus surface is configured to cause light rays entering the thick-walled light guide from the optical focus surface to propagate in parallel within the thick-walled light guide;
and the light-emitting surface of the thick-wall light guide is provided with optical patterns for homogenizing light.
Preferably, the light incident surface of the light transmitting part is a plane;
the light transmission part is made of glass or optical plastic.
Preferably, the reflecting surface of the light reflecting bowl is a paraboloid, and the light source is positioned at the focus of the paraboloid.
The invention also discloses a vehicle lamp which comprises the optical system.
Preferably, the vehicle lamp further includes a housing, a light shielding portion and a lens portion;
the light shielding part is arranged on one side of the light transmitting part far away from the thick-wall light guide;
the shell is fixedly connected with the lens part to form a closed space;
the optical system and the light shielding part are arranged in the closed space, and light emitting surfaces of the thick-wall light guide and the light transmitting part face the lens part.
Preferably, the light source is an LED lamp bead and is arranged on the PCB;
the PCB is fixedly connected with the shell;
the light reflecting bowl is fixedly connected with the shell;
the thick-wall light guide is fixedly connected with the light reflecting bowl and the PCB;
the light-transmitting part is fixedly connected with the light-shielding part, and the light-shielding part is fixedly connected with the shell.
Preferably, the vehicle lamp is a turn lamp in a tail lamp.
After the technical scheme is adopted, compared with the prior art, the light guide structure has the advantages that the thick-wall light guide optical concept and the light reflection bowl optical concept are combined together, the thick-wall light guide optical area meets the requirement of light distribution regulations, meanwhile, light which is not transmitted into the thick-wall light guide is reflected by the light reflection bowl and is emitted through the light transmission part, so that the area of the light transmission part optical area can meet the requirement of the lighting area specified by the American society of automotive Engineers, the optical efficiency is improved, and meanwhile, the light guide structure has better optical effects before and after lighting.
Drawings
FIG. 1 is a schematic structural diagram of an optical system in a vehicular lamp according to an embodiment of the present invention;
FIG. 2 is an optical diagram of the optical system of FIG. 1;
FIG. 3 is a diagram of the light path at the thick-walled light guide of FIG. 2;
fig. 4 is a front view of the optical system of fig. 1.
FIG. 5 is an exploded view of a vehicle lamp having the optical system of FIG. 1;
reference numerals:
100-PCB board, 110-light source, 200-thick wall light guide, 210-light inlet surface of thick wall light guide, 220-light outlet surface of thick wall light guide, 300-reflector, 400-light transmission part, 410-light inlet surface of light transmission part, 420-light outlet surface of light transmission part, 500-reflection part, 600-shell, 700-light shielding part and 800-lens part.
Detailed Description
The advantages of the invention are further illustrated in the following description of specific embodiments in conjunction with the accompanying drawings.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "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 used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
Referring to fig. 1-5, schematic structural diagrams of an optical system and a vehicle lamp having the optical system according to an embodiment of the invention are shown. The optical system of the present embodiment includes:
The light source 110 is an LED light source, i.e., an LED lamp bead, and is disposed on the PCB board 100, and the PCB is used for driving the LED light source.
Thick-walled light guide 200
The light incident surface 210 of the thick-walled light guide 200 faces the light source 110. Referring to fig. 3, preferably, the light incident surface 210 of the thick-walled light guide 200 is an optical focal plane, and the light source 110 is located at a focal point of the optical focal plane, and the optical focal plane is configured to allow light rays entering the thick-walled light guide 200 from the optical focal plane to propagate in parallel within the thick-walled light guide 200. In some embodiments, the optical focus plane may be a fresnel plane. The light emitting surface 220 of the thick-wall light guide 200 is provided with optical patterns for light uniformization, and the optical patterns can be pillow-shaped, block-shaped or corn-grain-shaped optical patterns for enabling light to be emitted outwards uniformly through the light emitting surface 220. The thick-walled light guide 200 may be made of PC or PMMA.
A light-transmitting portion 400
The light-transmitting portion 400 is located at one side of the thick-walled light guide 200 or surrounds the thick-walled light guide 200, a light incident surface 410 of the light-transmitting portion 400 is located at the same side as the light incident surface 210 of the thick-walled light guide 200, and a light emitting surface 420 of the light-transmitting portion 400 is located at the same side as the light emitting surface 220 of the thick-walled light guide 200. The encircling can be completely encircling or partially encircling, and particularly can be flexibly arranged according to the design requirements of the vehicle lamp. Referring to fig. 4 and 5, in the present embodiment, the light-transmitting portion 400 surrounds the thick-walled light guide 200 on three sides. The light incident surface 410 of the light-transmitting portion 400 is preferably disposed in a vertical plane so that more light rays can enter. The light emitting surface 420 of the light-transmitting portion 400 can be flexibly arranged according to the modeling requirement of the vehicle lamp. The light-transmitting part 400 may be made of glass or optical plastic, the light-transmitting part 400 is preferably made of PC, the light-transmitting part 400 is preferably gray in color, the light-transmitting part 400 presents a gray appearance before being lighted, and presents a uniform and transparent lighting effect after being lighted.
-a light reflecting bowl 300
The light reflecting bowl 300 is located at one side of the light source 110 or surrounds the light source 110, and the light reflecting bowl 300 is configured to reflect the light emitted by the light source 110 to the light incident surface 410 of the light transmitting portion 400. The encircling can be completely encircling or partially encircling, and particularly can be flexibly arranged according to the design requirements of the vehicle lamp. Referring to fig. 5, in the present embodiment, the light reflecting bowl 300 surrounds the light source 110 on three sides. The reflecting surface of the light reflecting bowl 300 is a paraboloid, and the light source 110 is located at the focus of the paraboloid.
A reflection part 500
The reflecting portion 500 is disposed on one side of the thick-walled light guide 200 or surrounds the thick-walled light guide 200, the reflecting portion 500 is located between the light source 110 and the light-transmitting portion 400, the reflecting portion 500 is configured to reflect the light emitted by the light source 110 and directly emitted to the light-transmitting portion 400 to the light-reflecting bowl 300, and the light reflected to the light-reflecting bowl 300 is reflected by the light-reflecting bowl 300 and then emitted to the light-incident surface 410 of the light-transmitting portion 400. The encircling can be completely encircling or partially encircling, and particularly can be flexibly arranged according to the design requirements of the vehicle lamp. Referring to fig. 5, in the present embodiment, the reflection part 500 surrounds the thick-walled light guide 200 on three sides. The reflecting part 500 and the reflecting bowl 300 may be made of the same material, and for example, the reflecting part 500 and the reflecting bowl 300 may be formed by plating a plastic surface with an aluminum film. In some embodiments, the reflector 500 and the reflector 300 are integrally formed.
Referring to fig. 2 and fig. 3, which are optical path diagrams of the optical system of the present embodiment, a part of the light emitted from the light source 110 directly exits to the light incident surface 210 of the thick-walled light guide 200 and exits to the outside through the light exiting surface 220 of the thick-walled light guide 200; a part of light emitted by the light source 110 is emitted to the reflection part 500, the reflection part 500 reflects the part of light to the reflection bowl 300, and the part of light is reflected by the reflection bowl 300 and then emitted to the light incident surface 410 of the light transmission part 400 and is emitted to the outside through the light emitting surface 420 of the light transmission part 400; another part of the light emitted from the light source 110 is emitted to the light reflecting bowl 300, reflected by the light reflecting bowl 300, emitted to the light incident surface 410 of the light transmitting portion 400, and emitted to the outside through the light emitting surface 420 of the light transmitting portion 400. In the present embodiment, the light beam emitted through the thick-walled light guide 200 is used to satisfy the optical light distribution requirement stipulated by the law, and the light emitted through the light transmitting portion 400 is used to satisfy the requirement of the minimum lighting area. By providing the reflection part 500, the light with higher intensity emitted from the light source 110 is reflected to the reflection bowl 300, and then is reflected by the reflection bowl 300 and then is emitted outward through the middle part of the light transmission part 400, which is helpful for improving the uniformity of the light emitted from the light transmission part 400, and can prevent the light with higher intensity from directly emitting to the outer edges (the upper and lower edges of the light transmission part in fig. 1) of the light transmission part 400 and being emitted outward from the outer edges, which causes uneven brightness distribution of the light transmission part 400. In some embodiments, the reflection portion 500 may not be provided in the optical system, and the uniformity of the brightness of the light-transmitting portion in the optical system in which the reflection portion 500 is not provided is not as excellent as that of the present embodiment. When the reflection part 500 is not provided, the light rays emitted toward the reflection part 500 are directly emitted toward the light incident surface 410 of the light transmission part 400 and are emitted outward through the light emitting surface 420 of the light transmission part 400.
The optical system of this embodiment, through combining reflector and thick wall light guide together, the regional requirement of grading regulation is satisfied in thick wall light guide, and the light reutilization that will not get into the thick wall light guide through the reflector lights the other printing opacity portion of thick wall light guide, makes the regional area of printing opacity portion can satisfy the requirement of the minimum of area of lighting, has improved optical system's optical efficiency, has realized even before lighting and the back optical effect of lighting.
Referring to fig. 5, an exploded view of a vehicular lamp having the above optical system according to an embodiment of the present invention is shown, wherein the vehicular lamp further includes a housing 600, a light shielding portion 700 and a lens portion 800 in addition to the optical system; the light shielding portion 700 is disposed on a side of the light-transmitting portion 400 away from the thick-walled light guide 200, and the light shielding portion 700 is made of a light-impermeable material and is configured to shield light emitted from the light-transmitting portion 400 in the direction. The housing 600 is fixedly connected to the lens portion 800, preferably by welding, to form a closed space. The material of the lens part 800 is preferably PMMA. The optical system and the light shielding portion 700 are both disposed in the closed space, the light exit surfaces of the thick-walled light guide 200 and the light transmitting portion 400 face the lens portion 800, and the light emitted through the light exit surfaces of the thick-walled light guide 200 and the light transmitting portion 400 is emitted outward through the lens portion 800.
Specifically, be provided with light source 110's PCB board 100 with casing 600 passes through screw and screw post fixed connection, reflection of light bowl 300 with casing 600 passes through screw and screw post fixed connection, thick wall light guide 200 with reflection of light bowl 300 with PCB board 100 passes through screw and screw post fixed connection, printing opacity portion 400 with shading portion 700 passes through screw or screw post fixed connection, shading portion 700 with casing 600 passes through screw or screw post fixed connection. The above-mentioned fixed connection by screws or screw columns is only a preferred fixed connection way, and those skilled in the art may replace a snap connection or other suitable fixed connection method as required, and may also combine multiple connection ways to jointly realize the fixed connection between the above-mentioned components.
In the present embodiment, the vehicle lamp is a turn lamp in a tail lamp. The optical system of the embodiment can also be effectively applied to other vehicle lamps having both the requirements of light distribution regulations and the requirement of minimum lighting area.
It should be noted that the embodiments of the present invention have been described in terms of preferred embodiments, and not by way of limitation, and that those skilled in the art can make modifications and variations of the embodiments described above without departing from the spirit of the invention.
Claims (10)
1. An optical system for a vehicle lamp, comprising: the light source, the thick-wall light guide, the light transmission part and the light reflecting bowl;
the light incident surface of the thick-walled light guide faces the light source;
the light transmission part is positioned on one side of the thick-wall light guide or surrounds the thick-wall light guide, the light incident surface of the light transmission part is the same as the light incident surface of the thick-wall light guide, and the light emergent surface of the light transmission part is the same as the light emergent surface of the thick-wall light guide;
the light reflecting bowl is positioned on one side of the light source or surrounds the light source, and the light reflecting bowl is used for reflecting light rays emitted by the light source to the light incident surface of the light transmission part;
a part of light rays emitted by the light source directly emit to the light incident surface of the thick-wall light guide and emit outwards through the light emitting surface of the thick-wall light guide; a part of light rays emitted by the light source are emitted to the light reflecting bowl, are emitted to the light incident surface of the light transmission part after being reflected by the light reflecting bowl, and are emitted outwards through the light emitting surface of the light transmission part; and a part of light rays emitted by the light source directly emit to the light incident surface of the light transmission part and emit outwards through the light emitting surface of the light transmission part.
2. The optical system of claim 1,
the optical system further comprises a reflecting part, the reflecting part is arranged on one side of the thick-wall light guide or surrounds the thick-wall light guide, the reflecting part is located between the light source and the light transmission part, the reflecting part is used for reflecting the light rays emitted by the light source and directly emitted to the light transmission part to the light reflecting bowl, and the light rays reflected to the light reflecting bowl are emitted to the light incident surface of the light transmission part after being reflected by the light reflecting bowl.
3. The optical system of claim 2,
the reflecting part and the light reflecting bowl are integrally formed.
4. The optical system of claim 1,
the light incident surface of the thick-walled light guide is an optical focus plane, the light source is located at a focus of the optical focus plane, and the optical focus plane is configured to cause light rays entering the thick-walled light guide from the optical focus plane to propagate in parallel within the thick-walled light guide;
and the light-emitting surface of the thick-wall light guide is provided with optical patterns for homogenizing light.
5. The optical system of claim 1,
the light incident surface of the light transmission part is a plane;
the light transmission part is made of glass or optical plastic.
6. The optical system of claim 1,
the reflecting surface of the reflecting bowl is a paraboloid, and the light source is positioned at the focus of the paraboloid.
7. A vehicle lamp is characterized in that the lamp body is provided with a lamp body,
comprising an optical system according to any one of claims 1-6.
8. The vehicular lamp according to claim 7,
the vehicle lamp further comprises a shell, a shading part and a lens part;
the light shielding part is arranged on one side of the light transmitting part far away from the thick-wall light guide;
the shell is fixedly connected with the lens part to form a closed space;
the optical system and the light shielding part are arranged in the closed space, and light emitting surfaces of the thick-wall light guide and the light transmitting part face the lens part.
9. The vehicular lamp according to claim 8,
the light source is an LED lamp bead and is arranged on the PCB;
the PCB is fixedly connected with the shell;
the light reflecting bowl is fixedly connected with the shell;
the thick-wall light guide is fixedly connected with the light reflecting bowl and the PCB;
the light-transmitting part is fixedly connected with the light-shielding part, and the light-shielding part is fixedly connected with the shell.
10. The vehicular lamp according to any one of claims 7 to 9,
the car light is a steering light in the rear tail light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911221215.5A CN112902109A (en) | 2019-12-03 | 2019-12-03 | Optical system for car lamp and car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911221215.5A CN112902109A (en) | 2019-12-03 | 2019-12-03 | Optical system for car lamp and car lamp |
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| Publication Number | Publication Date |
|---|---|
| CN112902109A true CN112902109A (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911221215.5A Pending CN112902109A (en) | 2019-12-03 | 2019-12-03 | Optical system for car lamp and car lamp |
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| CN (1) | CN112902109A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933895A (en) * | 2010-09-21 | 2013-02-13 | 欧司朗有限公司 | Light-emitting device |
| EP2568320A2 (en) * | 2011-09-07 | 2013-03-13 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
| DE102015209604A1 (en) * | 2015-05-15 | 2016-11-17 | Automotive Lighting Reutlingen Gmbh | Motor vehicle light and motor vehicle lights arrangement with several such lights |
| CN106764810A (en) * | 2017-01-12 | 2017-05-31 | 上海小糸车灯有限公司 | A kind of transparent light guide body and its application with interception |
| CN211011201U (en) * | 2019-12-03 | 2020-07-14 | 嘉兴海拉灯具有限公司 | Optical system for car lamp and car lamp |
-
2019
- 2019-12-03 CN CN201911221215.5A patent/CN112902109A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933895A (en) * | 2010-09-21 | 2013-02-13 | 欧司朗有限公司 | Light-emitting device |
| EP2568320A2 (en) * | 2011-09-07 | 2013-03-13 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
| DE102015209604A1 (en) * | 2015-05-15 | 2016-11-17 | Automotive Lighting Reutlingen Gmbh | Motor vehicle light and motor vehicle lights arrangement with several such lights |
| CN106764810A (en) * | 2017-01-12 | 2017-05-31 | 上海小糸车灯有限公司 | A kind of transparent light guide body and its application with interception |
| CN211011201U (en) * | 2019-12-03 | 2020-07-14 | 嘉兴海拉灯具有限公司 | Optical system for car lamp and car lamp |
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