CN114857533A - Multi-light-source periscopic automobile lamp and automobile with same - Google Patents
Multi-light-source periscopic automobile lamp and automobile with same Download PDFInfo
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- CN114857533A CN114857533A CN202210496512.6A CN202210496512A CN114857533A CN 114857533 A CN114857533 A CN 114857533A CN 202210496512 A CN202210496512 A CN 202210496512A CN 114857533 A CN114857533 A CN 114857533A
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- 230000004313 glare Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 3
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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
- F21S41/10—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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
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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
- F21S41/16—Laser light sources
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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
- F21S41/25—Projection lenses
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
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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
- F21W2102/30—Fog lights
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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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- 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
- F21Y2115/30—Semiconductor lasers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The application discloses a multi-light-source periscopic automobile lamp which adopts a distribution structure of five independent light sources, and a curved surface cover, a reflector and a light-transmitting plate which correspond to each independent light source are arranged, so that light rays emitted by each light source form an independent transmission path; the five independent light sources respectively undertake different lighting tasks, and under different lighting requirements, the light sources alternately work, so that the overall lighting service life of the automobile lamp is prolonged; the light emitted by each light source points to the corresponding curved surface cover and is reflected to the reflector through the curved surface cover, so that the glare effect of the light source towards the irradiation direction of the vehicle lamp on the vehicle or the pedestrian is avoided; the light-passing board of arc form helps light to scatter towards car light both sides, can realize that the super long distance throws, also more has the smooth sense of lines in the outward appearance.
Description
Technical Field
The application belongs to the technical field of automobile lighting, and particularly relates to a multi-light-source periscopic automobile lamp and an automobile with the same.
Background
The development of science and technology drives the progress of human society, the rapid development of cities also leads the demand of traffic tools to be higher and higher, automobiles are almost indispensable for families, and the safety of the automobiles is more and more emphasized by people. When a vehicle is driven in a dark place, the vehicle lamp is often required to illuminate, and a halogen bulb is generally used as a conventional illumination light source, but the halogen bulb has high power consumption and generates high temperature and high heat, and is gradually replaced by an LED (light emitting diode) in recent years. The LED has the advantages of high luminous efficiency, low energy consumption, environmental protection in the production process and the like, and is widely applied to various fields. The design of the car lamp aims to provide enough light for driving in a dim environment, so that the car lamp can accurately master the dynamic state of the road or the surrounding of the driving, and the occurrence of car accidents is reduced. However, many vehicle lamps are designed to project light from the LED lamp in a straight line or an approximately straight line to obtain a sufficient lighting effect, and such light may cause glare to eyes of a driver or a rider of an oncoming vehicle, causing discomfort to the eyes, thereby causing an accident.
Disclosure of Invention
The application aims to provide a multi-light-source periscopic automobile lamp lighting structure and an automobile with the same, which are used for reducing glare effect of the lamp on opposite vehicles or people.
The method is realized by the following technical measures: a multi-light-source periscopic automobile lamp comprises an upper panel, a lower panel, a front opening structure and a rear opening structure, wherein the front opening structure and the rear opening structure are surrounded by a left side plate and a right side plate, the inner edge of the lower panel is connected to the middle part of the lower surface of the upper panel through a reflecting panel, the outer edges of the upper panel and the lower panel are connected through a light-transmitting plate, and the light-transmitting plate is in an arc shape formed by transversely splicing five cylindrical lenses; the reflecting panel comprises five plane reflecting mirrors which are staggered front and back and are obliquely arranged outwards relative to the lower panel, and any two plane reflecting mirrors are not on the same plane; the joint of the upper panel and each plane reflector is provided with an optical groove, and the top of each optical groove is covered with an arched curved surface cover; the opening ends of the five curved surface covers in the vertical direction are connected through a baffle; the baffle is provided with five independent light sources which are respectively positioned right in front of the five curved surface covers, and light rays emitted by each light source point to the corresponding curved surface cover; the light rays emitted by each light source are reflected to the plane reflector through the corresponding curved surface cover, reflected to the corresponding cylindrical lens through the plane reflector, and refracted through the cylindrical lens and then projected onto the illumination target surface.
In the structure, a distribution structure of five independent light sources is adopted, and a corresponding curved surface cover, a reflector and a light-transmitting plate are arranged for each independent light source, so that light rays emitted by each light source form an independent transmission path; the independent light sources are arranged at the positions corresponding to the curved surface cover, the reflector and the light-transmitting plate, and the reflection and refraction principles of light are fully utilized, so that the light emitted by each light source can be fully projected onto an illumination target surface without being shielded; light rays emitted by each light source point to the corresponding curved surface cover and are reflected to the reflector through the curved surface cover, so that the glare effect of the light sources towards the irradiation direction of the vehicle lamp on vehicles or pedestrians is avoided; the arc-shaped structure of the curved surface cover forms a wrapping structure at the top of the light source, and the 1/4 arc surface which is close to the spherical shape can fully absorb the light emitted by the light source and fully reflect the light to the reflector, so that the light is fully transmitted; the light-passing board of arc form helps light to scatter towards car light both sides, can realize that the super long distance throws, also more has the smooth sense of lines in the outward appearance.
Preferably, the five independent light sources are a light source 1, a light source 2, a light source 3, a light source 4 and a light source 5 in sequence; the light source 2, the light source 3 and the light source 4 form a near light module which is an LED lamp; the light source 1 is also an LED lamp and is used for high beam illumination; the light source 5 is a semiconductor laser, and is used for ultra-far light illumination.
In the structure, the five independent light sources respectively bear different illumination tasks, and the light sources alternately work under different illumination requirements, so that the overall illumination service life of the automobile lamp is prolonged.
Preferably, a yellow fluorescent sheet is provided on the front surface of the semiconductor laser, and the semiconductor laser emits blue laser light and changes the blue laser light into white light by passing through the yellow fluorescent sheet.
Preferably, the light source 2 and the light source 3 operate under normal weather conditions; under the condition of fog, the light source 2, the light source 3 and the light source 4 are simultaneously turned on, and the output color temperature of the low-beam module is adjusted by adjusting the luminous flux output by the light source 4.
Preferably, the output color temperature of the low beam module is determined by the current fog day concentration level.
In the application, the fog is divided into 4 grades of fog, large fog, dense fog and strong dense fog according to the concentration grade of the fog, and the suitable color temperature ranges are 4500-. For example, at the level of dense fog, the running speed is controlled to be 60km-40km, and the color temperature range is set to be 3500K-4000K, so that the running safety is improved. The concentration levels of the fog are associated with the traveling speed according to a linear relation, the automobile travels in a specified speed range at the levels of the dense fog and the strong dense fog, and the output color temperature of the low beam module is reversely reduced when the traveling speed is increased in each concentration level, so that the traveling safety can be ensured.
Preferably, the inner surface of the curved cover is a free-form surface.
In the structure, the free-form surface is used for controlling the light shape distribution and the illumination distribution on the target surface, so that the accurate regulation and control of the contrast distribution are realized. The method comprises the steps of carrying out grid division on a target surface, dividing LED luminous flux into the same number of LED luminous flux as the target surface according to solid angles, controlling the luminous flux in each solid angle to enter a corresponding target surface grid, and adjusting the illumination of a grid area through adjusting the area of the grid, so that the illumination distribution of the target surface is accurately controlled.
Preferably, the free-form surface is correspondingly divided into M regions by N regions according to the region division of the illumination target surface; dividing luminous flux emitted by a light source into M x N solid angles according to an equal solid angle, wherein the curvature of each area on the free-form surface is configured as follows: the light flux in each solid angle is projected to the plane reflector through the area, and is irradiated to the corresponding area on the illumination target surface after being reflected by the plane reflector and refracted by the cylindrical lens.
Preferably, the surface of the free curved surface is plated with a layer of aluminum film.
In the structure, the surface of the free curved surface is plated with the highly reflective aluminum film to form a high back surface which is hardly influenced by the incident angle, and the structure is matched with the direct light structure of the light source to form the overall reflection of the light source.
Preferably, the angle of inclination of the plane mirror with respect to the lower panel is 135 °.
In the structure, the plane reflector inclines out 135 degrees relative to the lower panel, so that the light of the free-form surface in the curved surface cover can be totally reflected to the plane reflector and can be reflected to the light-transmitting plate again.
The application also provides an automobile with the multi-light-source periscopic automobile lamp.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the application and together with the description serve to explain the application and not limit the application. In the drawings:
FIG. 1 is a view of the exterior of a light source periscopic vehicle lamp;
FIG. 2 is a front interior view of the rear vehicle lamp with the light-transmitting plate removed;
FIG. 3 is a rear side schematic view of the vehicle lamp;
FIG. 4 is a schematic view of a reflective panel;
FIG. 5 is a schematic diagram of the distribution of individual light sources;
FIG. 6 is a bottom view of the upper panel;
FIG. 7 is a schematic view of a light-transmitting plate;
FIG. 8 is a schematic diagram of light transmission of the light source 2 (1);
fig. 9 is a light transmission diagram (2) of the light source 2.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure 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 disclosure to those skilled in the art.
As shown in fig. 1 to 9, a multi-light source periscopic vehicle lamp is a front-back opening structure surrounded by an upper panel 110, a lower panel 120, a left side plate 130 and a right side plate 140, wherein the inner edge of the lower panel 120 is connected to the middle of the lower surface of the upper panel through a reflective panel 170, and the outer edges of the upper panel 110 and the lower panel 120 are connected through a transparent plate 180. The transparent plate seals the front opening, and the reflective panel seals the rear opening. Further, the lower surface of the upper panel is provided with a plurality of connecting rods 111, the back surface of the reflective panel is provided with a plurality of mounting brackets 171, each bracket is provided with a connecting hole matched with one connecting rod, and the reflective panel 170 is fixedly connected with the upper panel through the matching of the connecting rods and the connecting holes.
The reflecting panel is provided with five plane reflectors, namely a reflector 11, a reflector 12, a reflector 113, a reflector 14 and a reflector 15, wherein the plane reflectors are mainly used for reflecting light. The five plane mirrors are staggered front and back, and any two plane mirrors are not on the same plane and are arranged obliquely outward relative to the lower panel 120. Meanwhile, the bottom of the reflecting panel is fixedly connected with the lower panel, and a section of connecting part 160 is arranged at the connecting part.
The position, connected with each plane reflector, of the upper panel 110 is provided with approximately semicircular light grooves forward, the top cage of each light groove is provided with an arc-shaped curved surface cover, the curved surface covers 6, 7, 8, 9 and 10 are sequentially arranged from left to right, the inner surface of each curved surface cover is a free curved surface, the curved surface covers are approximately spherical 1/4 upper right-corner arc surfaces, the opening end parts in the vertical direction of the five curved surface covers are connected through a baffle 150, the baffle 150 seals the opening ends of the five curved surface covers, and the opening end of each curved surface cover in the horizontal direction faces towards a corresponding light source. The free-form surface is an asymmetric curved surface, the curvature radius of each part is different, and each area controls the emergence of a part of light to a designated area of a target surface.
The outer edge of the upper panel 110 and the outer edge of the lower panel 120 are opposite to each other, and the whole transparent plate is also arc-shaped. The light transmission plate is formed by transversely splicing five cylindrical lenses, namely a lens 16, a lens 17, a lens 18, a lens 19 and a lens 20 from left to right in sequence, the five lenses have certain thickness, one side facing the reflection panel is convex, the other side is smooth arc-surface-shaped, and the five lenses are spliced into an arc shape matched with the outer edge of the upper panel and the outer edge of the lower panel at a certain angle.
The baffle is provided with five independent light sources which are respectively positioned right in front of the five curved covers, the light sources 1, 2, 3, 4 and 5 (not shown in the figure) are respectively arranged from left to right, the light rays emitted by the five light sources respectively face the five curved covers, and then the light rays are emitted after being reflected by the reflecting panel and refracted by the light-transmitting plate, so that the light rays of the light sources can not be directly seen from the periphery, and the possible glare effect of the light source which is directly observed by an opposite driver is avoided. Path of light propagation: light emitted by the light source 1 is projected onto a target surface through the curved surface cover 6, the reflector 11 and the lens 16; light rays emitted by the light source 2 are projected onto a target surface through the curved surface cover 7, the reflector 12 and the lens 17; light rays emitted by the light source 3 are projected onto a target surface through the curved surface cover 8, the reflector 13 and the lens 18; light rays emitted by the light source 4 are projected onto a target surface through the curved surface cover 9, the reflector 14 and the lens 19; light emitted by the light source 5 is projected onto a target surface through the curved cover 10, the reflector 15 and the lens 20.
Wherein, light source 2, light source 3 and light source 4 are the LED lamp, constitute the short-distance beam module together, and under the short-distance beam mode, wherein two light sources are in operating condition always, and another light source is used for adjusting the colour temperature of the light of short-distance beam module output, realizes the change of whole module colour temperature through the output luminous flux of adjusting an LED light source. In this embodiment, under normal weather conditions, the light source 2 and the light source 3 usually work, and the color temperature of the light source 2 and the light source 3 is about 6000K; in foggy days, the light source 2, the light source 3 and the light source 4 are simultaneously started, the color temperature of the light source 4 is about 3000K, and after the light source 4 is started, when the light flux output by the light source 4 is different from the light mixed by the other two light sources, the color temperature of the whole output is different. The automobile obtains local fog day concentration level in the advancing process, the optimal color temperature of the low-beam module is determined according to the fog day concentration level, and the optimal color temperature is realized by regulating and controlling the output light flux of the light source 4.
The free curved surface at the inner side of the curved surface cover 6-9 is correspondingly divided into M regions by N according to the region division of the illumination target surface, and because the regions projected onto the target surface and the illumination intensity are different, the area size of each divided region unit is different when the free curved surface is divided. The luminous flux of the LED light source is divided into M x N solid angles according to the equal solid angles, the luminous flux output by each solid angle is controlled to be projected onto the plane reflector through one area on the free curved surface, and the luminous flux is reflected by the plane reflector and refracted by the cylindrical lens and then is irradiated to the corresponding area on the illumination target surface. The curvature of each region of the free-form surface is determined based on the correspondence between such input and output energies. The material of the free-form surface is generally resin material, and these materials include PMMA, PC, etc. The surface of the free curved surface is plated with a high-reflection aluminum film, light rays emitted by the light source are firstly reflected to the plane reflector through the free curved surface, and the light rays are widened in the horizontal direction through the cylindrical lens after being reflected by the plane reflector, so that illumination of a wide area of a road surface is realized.
The light source 1 is also an LED lamp, and is used as a high beam for illumination under the condition that a common urban road accords with high beam use. The light source 5 is a semiconductor laser, and is mainly used for illumination at an ultra-long distance as an ultra-long light module. Specifically, a yellow fluorescent sheet is added in front of the semiconductor laser, blue laser emitted by the semiconductor laser is changed into white light after passing through the fluorescent sheet, the illumination distance can reach 100-150m, and the semiconductor laser is suitable for being used on highways or rural roads at night.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A multi-light-source periscopic automobile lamp is characterized by comprising an upper panel, a lower panel, a front opening structure and a rear opening structure, wherein the front opening structure and the rear opening structure are surrounded by a left side plate and a right side plate, the inner edge of the lower panel is connected to the middle part of the lower surface of the upper panel through a reflecting panel, the outer edges of the upper panel and the lower panel are connected through a light-transmitting plate, and the light-transmitting plate is in an arc shape formed by transversely splicing five cylindrical lenses;
the reflecting panel comprises five plane reflecting mirrors which are staggered front and back and are obliquely arranged outwards relative to the lower panel, and any two plane reflecting mirrors are not positioned on the same plane;
the joint of the upper panel and each plane reflector is provided with an optical groove, and the top of each optical groove is covered with an arched curved surface cover; the opening ends of the five curved surface covers in the vertical direction are connected through a baffle;
the baffle is provided with five independent light sources which are respectively positioned right in front of the five curved surface covers, and light rays emitted by each light source point to the corresponding curved surface cover;
the light rays emitted by each light source are reflected to the plane reflector through the corresponding curved surface cover, reflected to the corresponding cylindrical lens through the plane reflector, and refracted through the cylindrical lens and then projected onto the illumination target surface.
2. The multi-light-source periscopic automobile lamp as claimed in claim 1, wherein the five independent light sources are light source 1, light source 2, light source 3, light source 4 and light source 5 in sequence; the light source 2, the light source 3 and the light source 4 form a near light module which is an LED lamp; the light source 1 is also an LED lamp and is used for high beam illumination; the light source 5 is a semiconductor laser and is used for ultra-far illumination.
3. The vehicle lamp of claim 2, wherein a yellow fluorescent sheet is disposed in front of the semiconductor laser, and the semiconductor laser emits blue laser light and becomes white light by passing through the yellow fluorescent sheet.
4. The vehicle lamp of claim 2, wherein the light source 2 and the light source 3 are operated under normal weather conditions; under the condition of fog, the light source 2, the light source 3 and the light source 4 are simultaneously turned on, and the output color temperature of the low-beam module is adjusted by adjusting the luminous flux output by the light source 4.
5. The vehicle lamp of claim 4, wherein the output color temperature of the low beam module is determined by the current fog density level.
6. The vehicle lamp of claim 1, wherein the inner surface of the curved cover is a free-form surface.
7. The vehicle lamp of claim 6, wherein the free-form surface is divided into M x N regions according to the region division of the illumination target surface;
dividing the luminous flux emitted by each light source into M × N solid angles according to an equal solid angle, wherein the curvature of each area on the free-form surface is configured as follows: the light flux in each solid angle is projected to the plane reflector through the area, and is irradiated to the corresponding area on the illumination target surface after being reflected by the plane reflector and refracted by the cylindrical lens.
8. The vehicle lamp of claim 6, wherein the free-form surface is coated with an aluminum film.
9. The vehicle lamp of claim 1, wherein the angle of inclination of the plane mirror with respect to the lower panel is 135 °.
10. An automobile having the multi-light-source periscopic automobile lamp as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210496512.6A CN114857533A (en) | 2022-05-09 | 2022-05-09 | Multi-light-source periscopic automobile lamp and automobile with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210496512.6A CN114857533A (en) | 2022-05-09 | 2022-05-09 | Multi-light-source periscopic automobile lamp and automobile with same |
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| CN114857533A true CN114857533A (en) | 2022-08-05 |
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| CN202210496512.6A Pending CN114857533A (en) | 2022-05-09 | 2022-05-09 | Multi-light-source periscopic automobile lamp and automobile with same |
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| US20190195455A1 (en) * | 2017-12-22 | 2019-06-27 | Industrial Technology Research Institute | Headlight device |
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2022
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| CN102200243A (en) * | 2010-03-25 | 2011-09-28 | 亿光电子工业股份有限公司 | Illumination device |
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| CN105371235A (en) * | 2015-12-05 | 2016-03-02 | 中山市华南理工大学现代产业技术研究院 | Design method of free-form surface reflector for LED automobile rear fog lamp |
| CN108626687A (en) * | 2017-03-17 | 2018-10-09 | 丰田自动车株式会社 | Front lamp device for vehicle |
| US20190107265A1 (en) * | 2017-08-24 | 2019-04-11 | Shanghai Koito Automotive Lamp Co., Ltd. | Automobile lamp lighting device, automobile lamp assembly and automobile |
| US20190195455A1 (en) * | 2017-12-22 | 2019-06-27 | Industrial Technology Research Institute | Headlight device |
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