CN109724048A - Light-source system and headlight for vehicles - Google Patents
Light-source system and headlight for vehicles Download PDFInfo
- Publication number
- CN109724048A CN109724048A CN201711041386.0A CN201711041386A CN109724048A CN 109724048 A CN109724048 A CN 109724048A CN 201711041386 A CN201711041386 A CN 201711041386A CN 109724048 A CN109724048 A CN 109724048A
- Authority
- CN
- China
- Prior art keywords
- light
- headlight
- source system
- luminescence unit
- vehicles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004020 luminiscence type Methods 0.000 claims abstract description 43
- 230000005284 excitation Effects 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- 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
-
- 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
-
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The present invention relates to a kind of light-source system and headlight for vehicles, light-source system includes excitation light source, light emitting device and control device, and excitation light source is emitted exciting light；Light emitting device includes multiple luminescence units, and each luminescence unit switches between a first position and a second position according to the control of control device and at least receives at first position exciting light and generates stimulated light；Control device is used to be projected to pattern, each luminescence unit of control in front of headlight for vehicles according to needed for and is located at first position or the second position, to form required pattern in front of headlight for vehicles, wherein, at first position, the stimulated light that each luminescence unit generates enters one first paths and is emitted in front of headlight for vehicles, at the second position, the stimulated light that each luminescence unit generates enters one second paths to avoid being emitted in front of headlight for vehicles, alternatively, each luminescence unit can not receive exciting light to generate stimulated light.The present invention expands the application field of light-source system and enriches the instruction function of headlight for vehicles.
Description
Technical field
The present invention relates to automotive field more particularly to a kind of light-source system and the headlight for vehicles of the application light-source system.
Background technique
The development of Hyundai Motor industry proposes more higher demands to automobile lamp, and such as traditional automobile lamp is only used
In illumination and simply to pedestrian or the instruction of front and back vehicle, so with the development of automobile industry, it is desirable that automobile lamp also can be to this vehicle
Driver indicates, such as instruction drive route, and therefore, automobile lamp needs that the pattern of display can be changed as required.
Application No. is 201480060009.X, it is entitled " Wavelength changing element, manufacturing method and have Wavelength changing element
Emitting semiconductor component " Chinese patent application in, disclose Wavelength changing element ceramic grid matrix each
Conversion section is filled in grid, so it does not disclose each grid and is controlled individually so that each grid is according to the figure that need to be shown
The demand of case generates or does not generate stimulated light, therefore, the Wavelength changing element and emitting semiconductor disclosed in above-mentioned patent application
When component is applied on automobile lamp, it is also unable to satisfy the demand of change display pattern as needed.
Summary of the invention
In view of the above situation, the present invention provides a kind of light-source system and headlight for vehicles that can enrich automobile instruction function, with
It solves the above problems.
On the one hand, the present invention provides a kind of light-source system, in the headlight for vehicles applied to a vehicle, the light-source system packet
Excitation light source, light emitting device and control device are included,
The excitation light source is for being emitted exciting light；
The light emitting device includes multiple luminescence units, and each luminescence unit is used for the control according to the control device
System switches between a first position and a second position, and each luminescence unit at least receives at the first position
The exciting light simultaneously generates stimulated light；And
The control device is used to be projected to pattern, each luminescence unit of control in front of headlight for vehicles according to needed for
It is located at first position or the second position, thus pattern needed for being formed in front of headlight for vehicles, wherein at first position,
The stimulated light that each luminescence unit generates enters one first paths and is emitted in front of headlight for vehicles, in the second position
When, the stimulated light that each luminescence unit generates enters one second paths to avoid being emitted in front of headlight for vehicles, alternatively,
Each luminescence unit can not receive exciting light to generate stimulated light.
On the other hand, the present invention also provides a kind of headlight for vehicles using above-mentioned light-source system.
The advantages of light-source system and headlight for vehicles provided in an embodiment of the present invention, is:, due to the luminous dress of light-source system
Set including multiple luminescence units, and each luminescence unit can independently be controlled in first be located at switch between the second position,
Therefore, required pattern just can be formed in front of headlight for vehicles by controlling each luminescence unit present position, change any shine
Unit present position just can change the pattern being formed in front of headlight for vehicles, expand the application field of light-source system, enrich
The instruction function of headlight for vehicles.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the light-source system of headlight for vehicles of the present invention.
Fig. 2 is a kind of structural schematic diagram of the luminescence unit of light-source system shown in Fig. 1.
Fig. 3 is another structural schematic diagram of the luminescence unit of light-source system shown in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein " and/or " it include one or more relevant institute's lists
Any and all combinations of purpose.
Refering to Figure 1, Fig. 1 is the structural representation of the light-source system of the headlight for vehicles in one embodiment of the present invention
Figure.The light-source system 1 includes an excitation light source 11, a light emitting device 12 and a control device 13, the excitation light source 11
It is emitted exciting light, the excitation light emitting device 12 generates stimulated light, and the control of stimulated light controlled device 13 is along spy
Fixed route outgoing, to be formed in front of specific pattern projection to headlight for vehicles.In the present embodiment, the excitation light source
11 can be laser light source or LED light source.The light emitting device 12 is a fluorescent illuminating device, including multiple is arranged in certain sequence
The luminescence unit 121 of column, each luminescence unit 121 generate stimulated light, and 121 energy of each luminescence unit under the excitation of exciting light
Switched between a first position and a second position by the control device 13 control.At first position, luminescence unit 121
The luminous energy of being excited generated is emitted in front of headlight for vehicles, and at the second position, the stimulated light that luminescence unit 121 generates cannot go out
It is incident upon in front of headlight for vehicles, therefore, control unit 13 sends control signal according to the required pattern being projected in front of headlight for vehicles
It controls each luminescence unit 121 and is at first position or the second position, so that specific pattern is transmitted through headlight for vehicles
Front.
It please refers to shown in Fig. 2, is a kind of structural schematic diagram and action schematic diagram of luminescence unit 121, for convenience of description, figure
4 luminescence unit 121a~121d in one line are shown in 2.Each luminescence unit 121a~121d includes a luminescent screen
A 1211a~1211d and driving device 1212a~1212d.Each luminescent screen 1211a~1211d is produced under the excitation of exciting light
Raw stimulated light, the control signal of each driving device 1212a~1212d receiving control device 13 and based on the received control letter
Number corresponding luminescent screen 1211a~1211d is driven to switch between the two positions, to make corresponding luminescent screen 1211a~1211d
When positioned at first position, before the stimulated light of generation enters the first paths and is finally emitted to headlight for vehicles along the first paths L1
Side, and when luminescent screen 1211a~1211d is located at the second position, the stimulated light of generation enters the second paths L2, into second
Stimulated light can not be emitted in front of headlight for vehicles after paths L2, in the present embodiment, each driving unit 1212a~
1212d be set to corresponding luminescent screen 1211a~1211d deviate from excitation light source 11 side, each driving unit 1212a~
1212d drives corresponding luminescent screen 1211a~1211d rotation, will correspond to luminescent screen 1211a~1211d first position with
Switch between the second position.As shown in Fig. 2, luminescent screen 1211a, 1211d are in first position, therefore luminescent screen 1211a,
The stimulated light that 1211d is generated enters the first paths L1 and is finally emitted in front of headlight for vehicles, and luminescent screen 1211b, 1211c
Driven by corresponding driving unit 1212b, 1212d to the second position, thus the stimulated light that generates of luminescent screen 1211b, 1211c into
Enter the second paths L2, can not be emitted in front of headlight for vehicles.
It is appreciated that in another embodiment, each luminescent screen 1211 can receive exciting light at first position
The exciting light of the sending of source 11 simultaneously generates stimulated light, and stimulated light is emitted in front of headlight for vehicles via the first paths, and second
The exciting light of the sending of excitation light source 11 cannot be received when position, therefore can not be generated before stimulated light is emitted to headlight for vehicles
Side, for example, luminescent screen 1211 includes a fluorescence coating and a reflecting layer, fluorescence coating is set to the first face of luminescent screen 1211, and anti-
Penetrate layer and be set to the second face opposite with the first face on luminescent screen 1211, at first position, 1,211 first face of luminescent screen towards
Excitation light source 11, fluorescence coating can receive exciting light, and at the second position, 1,211 second face of luminescent screen is towards excitation light source
11, reflecting layer separates fluorescence coating and excitation light source 11, makes fluorescence coating that can not receive the exciting light of the outgoing of excitation light source 11.
It is appreciated that Fig. 2 illustrated embodiment is independently controlled for the luminescent screen 1211 of each luminescence unit 121, but
In other embodiments, the luminescence unit 121 can be controlled as unit of group, i.e., two or more luminescence unit 121 is
One group, every group controls signal based on the received and drives its light emission unit 121 and be co-located on first by a corresponding driving device
Position or the second position.
In one embodiment, the luminescent screen 1211 includes fluorescence coating and reflecting layer, and wherein fluorescence coating is fluorescent plate,
Reflecting layer is to be set to fluorescent plate away from the reflectance coating of excitation light inlet side, and the fluorescent plate can be by fluorescent material, glass
Powder is made by mixing molding by glue, molding can also be made by mixing by glue by fluorescent material, resin.
In another embodiment, the luminescent screen 1211 includes fluorescence coating and reflecting layer, and wherein fluorescence coating is fluorescence
Plate, reflecting layer are to be set to fluorescent plate away from the reflection substrate of excitation light inlet side, and the surface of the reflection substrate is reflection
Face, alternatively, the reflection substrate includes substrate and setting for the reflectance coating on substrate.
In another embodiment, the luminescent screen 1211 includes fluorescence coating and reflecting layer, and wherein reflecting layer is reflection
Substrate, fluorescence coating are the fluorescent film being set on reflection substrate, and the fluorescent film passes through spraying or the technique coated for fluorescence
Substance is set on reflection substrate.
In one embodiment, the reflection substrate is a plate, and the fluorescence coating is set on the plate.
In another embodiment, the reflection substrate includes bottom wall and peripheral wall, and an appearance is collectively formed in bottom wall and peripheral wall
Between emptying, the fluorescence coating setting is in the accommodating space.
In one embodiment, the bottom wall of the reflection substrate has the function of reflected light, peripheral wall light transmission.
In another embodiment, the bottom wall of the reflection substrate and peripheral wall all have the function of reflected light.
In one embodiment, the height of the reflection substrate peripheral wall is equal to the thickness of fluorescence coating or fluorescent plate.
In another embodiment, the height of the reflection substrate peripheral wall is greater than the thickness of fluorescence coating, as shown in figure 3,
In another embodiment, the luminescence unit 121 can also include a convergent lens 1213, and the convergent lens 1213 are logical
The peripheral wall for crossing reflection substrate 1213 is fixed on the fluorescence coating of luminescent screen 1211, and the convergent lens 1213 are used for incidence
Exciting light converges at the fluorescence coating of luminescent screen 1211, and for the stimulated light that the luminescent screen generates to be collected and/or quasi-
Directly.
It is appreciated that convergent lens 1213 can be also fixed on by other means on the fluorescence coating of luminescent screen 1211.
In conclusion light-source system and headlight for vehicles of the invention, since the light emitting device of light-source system includes multiple hairs
Light unit, and each luminescence unit can independently be controlled in first positioned at switching between the second position, therefore, pass through control
Each luminescence unit present position just can form required pattern in front of headlight for vehicles, change any luminescence unit present position just
The pattern being formed in front of headlight for vehicles can be changed, the application field of light-source system is expanded, enriches the instruction of headlight for vehicles
Function and cost low-light level height.
Embodiment of above is only used to illustrate the technical scheme of the present invention and not to limit it, although referring to the above preferable embodiment party
Formula describes the invention in detail, those skilled in the art should understand that, it can be to technical solution of the present invention
It modifies or equivalent replacement should not all be detached from the spirit and scope of technical solution of the present invention.
Claims (11)
1. a kind of light-source system, in the headlight for vehicles applied to a vehicle, which is characterized in that the light-source system includes exciting light
Source, light emitting device and control device, in which:
The excitation light source is for being emitted exciting light；
The light emitting device includes multiple luminescence units, and each luminescence unit according to the control of the control device for existing
Switch between one first position and a second position, and each luminescence unit at least at the first position receive described in
Exciting light simultaneously generates stimulated light；And
The control device is used to be projected to pattern, each luminescence unit of control in front of headlight for vehicles according to needed for and distinguishes
Positioned at first position or the second position, thus pattern needed for being formed in front of headlight for vehicles；
Wherein, at first position, the stimulated light that each luminescence unit generates enters one first paths and is emitted to vapour
In front of vehicle headlight；
At the second position, the stimulated light that each luminescence unit generates enters one second paths to avoid automobile is emitted to
In front of headlight, alternatively, each luminescence unit can not receive exciting light to generate stimulated light.
2. light-source system as described in claim 1, which is characterized in that each luminescence unit includes that luminescent screen and driving fill
It sets, the luminescent screen receives the exciting light and generates stimulated light, and the driving device is driven under the control of the control device
The luminescent screen is moved to switch between the first location and the second location.
3. light-source system as claimed in claim 2, which is characterized in that the driving device is set to the luminescent screen away from sharp
Shine incident side.
4. light-source system as claimed in claim 2, which is characterized in that control of the driving device in the control device
Under, drive the luminescent screen to rotate, to drive the luminescent screen to switch between the first location and the second location.
5. light-source system as claimed in claim 2, which is characterized in that the luminescent screen includes fluorescence coating and is set to fluorescence coating
Away from the reflecting layer of exciting light side.
6. light-source system as claimed in claim 5, which is characterized in that the reflecting layer is reflection substrate, the reflection substrate
Surface be reflecting surface, alternatively, the reflection substrate includes substrate and the reflectance coating that is set on substrate.
7. light-source system as claimed in claim 6, which is characterized in that the reflection substrate is a plate.
8. light-source system as claimed in claim 6, which is characterized in that the reflection substrate includes bottom wall and peripheral wall, the bottom
An accommodating space is collectively formed in wall and peripheral wall, and the fluorescent film or fluorescent plate are set in the accommodating space.
9. light-source system as claimed in claim 8, which is characterized in that the luminescence unit further include:
Convergent lens, the convergent lens are fixed in the accommodating space, and the convergent lens are used for incident exciting light
The luminescent screen is converged to, and for the stimulated light that the luminescent screen generates to be collected and/or collimate.
10. light-source system as claimed in claim 9, which is characterized in that the convergent lens is fixed on institute by the peripheral wall
It states in accommodating space.
11. a kind of headlight for vehicles, including such as the described in any item light-source systems of claim 1-10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041386.0A CN109724048B (en) | 2017-10-30 | 2017-10-30 | Light source system and automobile headlamp |
| PCT/CN2018/071424 WO2019085252A1 (en) | 2017-10-30 | 2018-01-04 | Light source system, and automobile headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041386.0A CN109724048B (en) | 2017-10-30 | 2017-10-30 | Light source system and automobile headlamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109724048A true CN109724048A (en) | 2019-05-07 |
| CN109724048B CN109724048B (en) | 2021-03-16 |
Family
ID=66292826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711041386.0A Active CN109724048B (en) | 2017-10-30 | 2017-10-30 | Light source system and automobile headlamp |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109724048B (en) |
| WO (1) | WO2019085252A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080013329A1 (en) * | 2006-06-28 | 2008-01-17 | Koito Manufacturing Co., Ltd. | Lamp for vehicle |
| CN204740418U (en) * | 2015-07-14 | 2015-11-04 | 中国科学院重庆绿色智能技术研究院 | Blue light fluorescence excitation powder formula laser car light based on DMD |
| CN105308385A (en) * | 2013-06-25 | 2016-02-03 | 齐扎拉光系统有限责任公司 | Headlights for motor vehicles |
| CN106304461A (en) * | 2015-06-25 | 2017-01-04 | 德州仪器公司 | For using space and the equipment of spectrum self adaptation dichroic white light source of spatial light modulator |
| CN106958782A (en) * | 2015-12-11 | 2017-07-18 | 奥迪股份公司 | Lighting apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6214202B2 (en) * | 2013-05-07 | 2017-10-18 | 株式会社小糸製作所 | Lamp unit and light deflector |
| JP6114653B2 (en) * | 2013-07-16 | 2017-04-12 | 株式会社小糸製作所 | Vehicle lighting |
| JP2017097968A (en) * | 2015-11-18 | 2017-06-01 | スタンレー電気株式会社 | Vehicular lighting fixture |
-
2017
- 2017-10-30 CN CN201711041386.0A patent/CN109724048B/en active Active
-
2018
- 2018-01-04 WO PCT/CN2018/071424 patent/WO2019085252A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080013329A1 (en) * | 2006-06-28 | 2008-01-17 | Koito Manufacturing Co., Ltd. | Lamp for vehicle |
| CN105308385A (en) * | 2013-06-25 | 2016-02-03 | 齐扎拉光系统有限责任公司 | Headlights for motor vehicles |
| CN106304461A (en) * | 2015-06-25 | 2017-01-04 | 德州仪器公司 | For using space and the equipment of spectrum self adaptation dichroic white light source of spatial light modulator |
| CN204740418U (en) * | 2015-07-14 | 2015-11-04 | 中国科学院重庆绿色智能技术研究院 | Blue light fluorescence excitation powder formula laser car light based on DMD |
| CN106958782A (en) * | 2015-12-11 | 2017-07-18 | 奥迪股份公司 | Lighting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109724048B (en) | 2021-03-16 |
| WO2019085252A1 (en) | 2019-05-09 |
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