CN208587850U - A kind of matrix form headlight - Google Patents
A kind of matrix form headlight Download PDFInfo
- Publication number
- CN208587850U CN208587850U CN201821176713.3U CN201821176713U CN208587850U CN 208587850 U CN208587850 U CN 208587850U CN 201821176713 U CN201821176713 U CN 201821176713U CN 208587850 U CN208587850 U CN 208587850U
- Authority
- CN
- China
- Prior art keywords
- light source
- faceted pebble
- reflective mirrors
- reflective
- matrix form
- 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.)
- Active
Links
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model relates to a kind of matrix form headlights, the matrix form headlight includes light source, more faceted pebble reflective mirrors, reflective mirror drive and mirror position detection device, light source is provided on wiring board, light source is to more faceted pebble reflective mirror transmitting unit directional lights, hot spot is formed in target area after more faceted pebble mirror reflections, hot spot is moved with the rotation of more faceted pebble reflective mirrors, mirror position detection device passes through the position of real-time detection hot spot, light source is closed in the position for generating blackening, generates the blackening of fixed position.Cost is greatly saved while improving resolution ratio and accuracy in the utility model.Existing matrix form headlight is solved due to realizing that matrix form illuminates function by the way of static, resolution ratio and accuracy are lower, and the problem of higher cost.
Description
Technical field
The utility model relates to automobile lamps, and in particular to a kind of matrix form headlight.
Background technique
Matrix LED (Matrix LED) headlight includes multiple high-brightness LED monomers, passes through the permutation and combination of LED monomer
And with before lamp group lens and reflective mirror lamp component match, so that system is can control the switch of each LED monomer, to adjust
Whole light angle and range.So, lamp group, which does not need traditional mechanical rotational structure, can be achieved with adjusting illumination zone
Effect.Its working principle is that the running informations such as distance light and camera, speed, the steering wheel input of matrix LED headlight link
Work is opened and closed, according to driving cycle and environmental condition real-time control headlight range of exposures by the light in independent control matrix.
First Matrix LED headlight is Audi A8 matrix LED headlight, its distance light is made of 25 LED, night row
Che Shi, matrix LED headlight can be whole using distance light light irradiation front, once camera detection is mapped to opposite to the light beam issued
Or when front vehicles, will adjust automatically or close lamp group in several LED monomers, allow front vehicles will not be because of dazzling height
Brightness LED and be affected.
The drive scheme of Audi A8 matrix LED upperbeam is: every LED is driven with Buck circuit all the way come constant current,
25 LED Jiu You, 25 road Buck circuit, the cost of such drive scheme are extremely expensive.
The drive scheme of the matrix LED upperbeam of 2015 sections of CLS vehicles of running quickly is: distance light is made of 24 LED, point
It is two groups, every 12 LED series connection, driving circuit is first Boost Buck again, and control circuit is to control to move by UART communication modes
Bit register is come what is realized, and it is more shorter better that UART communication needs transmission path, and this scheme is main control singlechip and power drive
Circuit is put together, and module is mounted in light body shell, and shift register and 24 LED are put together, and is mounted on lamp
Internal portion, such UART transmission path is long, is easy the interference by electromagnetic radiation, will cause signal transmission errors.In order to enhance
The stability of signal transmission, it is necessary to increase signal differential transmission chip and differential signal receives chip, UART signal has 4 kinds of letters
Number composition, thus needs 4 signal differentials transmission chips and 4 differential signals to receive chip, this chip price is expensive, therefore
Cost is still relatively high.
One patent of application number " 201621107407.5 " discloses " a kind of matrix LED headlight ", including Matrix
LED power drive module, Matrix LED Logic control module and LED load wiring board, LED load wiring board are equipped with multichannel simultaneously
Join LED string, LED string includes one or the more LED being connected in series, and Matrix LED power drive module drives comprising multiple constant current
Circuit, each road constant-current drive circuit one paths of LEDs string of corresponding driving, Matrix LED Logic control module includes a main control singlechip
Chip is controlled with more Matrix, main control singlechip is connect with every Matrix control chip by UART communication modes, and every
Matrix control chip is correspondingly connected with a paths of LEDs string, and main control singlechip and Matrix control chip are arranged in the same screen
It covers in cover, constant-current drive circuit is respectively connect with main control singlechip.Although the cost of this patent decreases compared with prior art,
But there is no consider the problems of resolution ratio and accuracy.
As it can be seen that existing Matrix function is all made of static mode realization, every LED controls the light on and off of fixed area, but
With advances in technology, more and more high-resolution Matrix is gradually generated, and realizes matrix by existing this mode
Expense used in formula LED headlight will be very huge, not have production.And higher resolution requirement, so that existing
The accuracy that mode generates does not reach requirement more and more yet.
Utility model content
The purpose of the utility model is to provide a kind of matrix LED headlight, the matrix form headlight of the utility model is to pass through
What dynamic mode was realized, it is emitted beam be irradiated on more faceted pebble reflective mirrors by light source first, then examined by mirror position
The rotation for surveying device and more faceted pebble reflective mirrors forms the blackening that fixed bit is set, it is only necessary to a light source, a driving circuit
Cost is greatly saved while improving resolution ratio and accuracy in the function of realizing matrix form headlight.It is existing to solve
Matrix form headlight is due to realizing that matrix form illuminates function by the way of static, and resolution ratio and accuracy are lower, and higher cost
The problem of.
To achieve the above object, the embodiment of the utility model is: a kind of matrix form headlight, including intelligent illuminating system, institute
The intelligent illuminating system stated further includes more faceted pebble reflective mirrors, reflective mirror drive and mirror position detection device, the light
Source is set to the side of more faceted pebble reflective mirrors, the more faceted pebble reflective mirrors of the light directive for that will issue；
More faceted pebble reflective mirrors are vertically arranged, for the light that reflection source issues, are irradiated to it in front of headlight
Target area, generate hot spot；
The reflective mirror drive is drivingly connected more faceted pebble reflective mirrors, for driving more faceted pebble reflective mirrors to rotate, light
It is moved with the rotation of more faceted pebble reflective mirrors the position of spot；
The signal output end of the mirror position detection device connects reflective mirror drive, mirror position detection dress
The turned position for the more faceted pebble reflective mirrors of real-time detection is set, thus the light that obtains the facula position of target area, and will obtain
Spot position is sent to reflective mirror drive；
The output end of the reflective mirror drive connects light source control module, the light source control module control connection light
Source, reflective mirror drive is according to light spot position signal, when determining that facula position is moved to the position for needing to generate blackening, hair
Send the order for closing light source to light source control module, the light source control module control light source extinguishes, and in more faceted pebble reflective mirrors
When turning over the position of blackening, bright light source is put again.
Further, according to matrix form headlight described in the utility model, the reflective mirror drive includes motor
And motor driver, the motor driver are drivingly connected motor, the machine shaft is connect with more faceted pebble reflective mirrors.
Further, according to matrix form headlight described in the utility model, the light source control module includes that light source drives
Dynamic circuit, the output end of the light source driving circuit are drivingly connected light source, and the input terminal of the light source driving circuit connects motor
Driver.
Further, according to matrix form headlight described in the utility model, the light source is provided with multiple, each light
Source corresponds to a light source driving circuit, and each light source is parallel to more faceted pebble reflective mirror arrangements, each light source corresponds to target area
In a line illuminated area will generate the incident ray that is parallel to each other of multichannel when multiple light sources open simultaneously while being irradiated to
On more faceted pebble reflective mirrors, more faceted pebble reflective mirrors by the incident ray that multichannel is parallel to each other and meanwhile be reflected into front target area,
Multirow illuminated area will be generated.
Further, according to matrix form headlight described in the utility model, the mirror position detection device includes light
Photoelectric coder and Hall sensor, wherein photoelectric encoder is connect with machine shaft；The Hall sensor includes Hall magnet steel
With the Hall element being welded in PCB circuit board, the Hall magnet steel is mounted on the top of more faceted pebble reflective mirrors, institute by bearing
State the top that PCB circuit board is mounted on Hall magnet steel.
Further, according to matrix form headlight described in the utility model, the light source is LED light source or laser light
Source, the LED light source include 1 or plurality of LEDs, and the laser light source is laser generator, and the laser generator is provided with
Dimming components, for the angle by adjusting laser generator, to adjust the position in laser irradiation to more faceted pebble reflective mirrors.
Further, according to matrix form headlight described in the utility model, the intelligent illuminating system includes barn door,
The barn door is mounted on the top of PCB circuit board according to the angle of setting, for covering the stray light of light source sending, Yi Ji
Light-emitting window is closed when system is closed or laser fails.
Further, according to matrix form headlight described in the utility model, more faceted pebble reflective mirrors are 6 faceted pebble~12
Faceted pebble reflective mirror.
It is that the utility model reaches the utility model has the advantages that the matrix form headlight of the utility model is to realize square by dynamic mode
Configuration function, it is emitted beam be irradiated on more faceted pebble reflective mirrors by light source first, then pass through mirror position detection device
Rotation with more faceted pebble reflective mirrors forms the blackening that fixed bit is set, it is only necessary to which square can be realized in a light source, a driving circuit
Cost is greatly saved while improving resolution ratio and accuracy in the function of configuration headlight.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model matrix form headlight drive module；
Fig. 2 is the structure chart of more faceted pebble reflective mirrors and motor installation；
Fig. 3 is the schematic diagram of multiple light sources while irradiation.
In figure, 1 is more faceted pebble reflective mirrors, and 2 be laser generator, and 3 be motor, and 4 be photoelectric encoder, and 5 be PCB route
Plate, 6 be Hall magnet steel, and 7 be barn door, and 8 be bearing, and 9 be reflective mirror shield, and 10 be dimming components, and 11 be optical screen, and 12 be card
Spring, 13 be motor mounting plate, and 14 be electric machine support, and 15 be LED light source.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.
Matrix form headlight embodiment:
The matrix form headlight of the utility model includes light source, more faceted pebble reflective mirrors, reflective mirror drive, mirror position
Detection device and light source control module, in which:
Light source, for emitting light to more faceted pebble reflective mirrors.Preferably, as shown in Figure 1, light source can be laser light source,
Laser light source is laser generator, which is provided with dimming components, passes through the adjustable laser irradiation of dimming components
To the position of more faceted pebble reflective mirrors, the illuminated area of the utility model matrix form headlight is projected on optical screen as can be seen that should
What laser generator issued is linear light source, forms area source by the scanning of more faceted pebble reflective mirrors.It, can also be in other embodiments
Select LED light source.
More faceted pebble reflective mirrors, vertically arranged, the parallel rays for emitting light source is emitted to what headlamp front was illuminated
Target area forms hot spot.It can choose 6 faceted pebbles~12 faceted pebbles, preferably, the present embodiment selects 8 faceted pebbles, further,
More faceted pebble reflective mirrors are provided with the reflective mirror shield of Γ shape, for protecting to more faceted pebble reflective mirrors.
More faceted pebble reflective mirrors are driven by reflective mirror drive to be rotated, with the rotation of more faceted pebble reflective mirrors, light source irradiation
Incident angle on to more faceted pebble reflective mirrors also changes correspondingly, and incident ray is after excessive faceted pebble mirror reflection, in target area
The hot spot that domain is formed can also move.With the increasing of the velocity of rotation of more faceted pebble reflective mirrors, when the shifting of target area hot spot
When dynamic speed is more than resolution of eye, from the visual angle of people, the position that hot spot passes through is the illuminated area for generating wide-angle.
Mirror position detection device, the turned position for the more faceted pebble reflective mirrors of real-time detection.Preferably, such as Fig. 1 and
2, mirror position detection device includes photoelectric encoder and Hall sensor, wherein and photoelectric encoder is connect with machine shaft,
For exporting A, the B signal of orthogonal two-way motor rotor position；The Hall sensor includes Hall magnet steel and is welded on PCB
Hall element on wiring board, the Hall magnet steel are mounted on the top of more faceted pebble reflective mirrors, the PCB circuit board by bearing
Be mounted on the top of Hall magnet steel, the Hall sensor for output phase difference 120 °, tri- road motor rotor position U,
V, W signal.
The position of rotor with the position of more faceted pebble reflective mirrors be it is corresponding, the position of rotor is polygon prism
Turned position, and since the rotation of more faceted pebble reflective mirrors will lead to the corresponding variation of facula position, thus by detecting more faceted pebbles
The turned position of reflective mirror can obtain the facula position of target area.
The shaft of reflective mirror drive, including motor and motor driver, more faceted pebble reflective mirrors and motor connects, motor
Driver is drivingly connected motor, and reflective mirror drive is used to drive the rotation of more faceted pebble reflective mirrors.The signal of motor driver
Input terminal connects mirror position detection device, and the output end of motor driver connects light source control module, and motor driver connects
A, B signal and U, V, the W signal of the motor rotor position that reflector position detection device is sent are received, and carries out signal analysis and place
Reason, determines the turned position of more faceted pebble reflective mirrors, and when more faceted pebble reflective mirrors turn to the position for needing to generate blackening, sends
The signal for closing light source controls light source and extinguishes to light source control module, and when more faceted pebble reflective mirrors turn over the position of blackening, hair
The signal for reopening light source is sent, light source igniting is controlled.
The output end of light source control module, including light source driving circuit, light source driving circuit is drivingly connected light source, for controlling
The input terminal of the light on and off of light source processed, light source driving circuit connects motor driver, for receiving lighting for motor driver transmission
Or the signal of light source is closed, according to the light on and off of the signal control light source received.
As shown in figure 3, light source can be set to multiple, each light source is parallel to the arrangement of more faceted pebble reflective mirrors, will this is practical new
The illuminated area of type matrix form headlight projects on optical screen, it can be seen that each light source corresponds to the photograph of a line in target area
Bright area will generate the incident ray that is parallel to each other of multichannel while to be irradiated to more faceted pebbles reflective when multiple light sources open simultaneously
On mirror, more faceted pebble reflective mirrors by the incident ray that multichannel is parallel to each other and meanwhile be reflected into front target area, will generate more
Row illuminated area.When multiple light sources are arranged, each light source corresponds to a light source driving circuit.
Preferably, the utility model is additionally provided with barn door, which is mounted on reflective mirror shield with set angle
On, and be rotatably connected with reflective mirror shield, for covering the stray light for not needing to project away, and close in system or
Light-emitting window is closed when being laser failure, plays the role of system protection, avoids injury of the pedestrian by laser.
Such as Fig. 2, in the present embodiment, motor is provided with electric machine support, and PCB circuit board is mounted on the top of electric machine support.Together
When, for the axial movement for preventing more rib reflective surfaces, the utility model is provided with circlip, and circlip and motor in the shaft of motor
Between be additionally provided with motor mounting plate.
In the utility model, if the light source of setting is single LED either laser light source, the light generated is
With certain dispersion angle, and section is straight line, realizes the intelligent lighting of uniline, if being provided that multiple light sources,
The intelligent lighting of multirow then may be implemented, two kinds of lighting methods are longitudinally having high resolution ratio.
Below by taking LED light source as an example, the specific implementation procedure declaration for illuminating function to the matrix form of the utility model is as follows:
1, start motor, drive more faceted pebble reflective mirror high speed rotations, with the quickening of more faceted pebble reflective mirror revolving speeds, control
The work of LED headlight, light source driver module driving LED light source are lighted, and the light that LED is issued is irradiated on more faceted pebble reflective mirrors, and
Through the target area in front of more faceted pebble mirror reflections to LED headlight, hot spot is generated.
2, with the rotation of more faceted pebble reflective mirrors, the incidence angle that LED light source is irradiated to the light on more faceted pebble reflective mirrors will
Change therewith, and after more faceted pebble mirror reflections, the position of hot spot is also moved.
3, as motor drives the speed of more faceted pebble reflective mirror rotations to accelerate, when the movement speed of target area hot spot is more than
When resolution of eye, from the visual angle of people, the position that hot spot passes through is the illuminated area for generating wide-angle.
4, mirror position detection device is mounted on the bottom of motor, the more faceted pebbles of mirror position detection device real-time detection
The rotation position of reflective mirror, since the change in location of hot spot is to follow the turned position of more faceted pebble reflective mirrors and change,
According to the real-time turned position of more faceted pebble reflective mirrors, the position of hot spot at this time can be determined, and record.
5, the facula position that mirror position detection device will test is sent to electric machine controller in real time, works as motor control
When device judges that more faceted pebble reflective mirrors go to the position for needing to form blackening, that is, the signal for issuing closing LED light source drives to light source
Module, light source driver module control LED light source and extinguish, and generate blackening in corresponding position.
6, when more faceted pebble reflective mirrors turn over the position of blackening, electric machine controller retransmits the signal for opening LED light source
To light source driver module, LED light source is lit again.
In the present embodiment, when LED light source is set as plurality of LEDs light source, plurality of LEDs light source is parallel to more faceted pebble reflective mirrors
Arrangement will generate the incident ray that is parallel to each other of multichannel while to be irradiated to more faceted pebbles anti-when plurality of LEDs light source is lit simultaneously
On light microscopic, more faceted pebble reflective mirrors are by the incident ray that multichannel is parallel to each other while being reflected into the target area in front, per putting down all the way
Capable incident ray is executed according to above-mentioned 1-6, i.e., can generate multirow illuminated area in front.
The light source of the utility model can also be using any light source other than LED light source and laser light source, as long as setting is more
When a light source, the incident ray being parallel to each other can be generated.
The matrix form headlight of the utility model is that matrix form function is realized by dynamic mode, the light that light source issues
The more faceted pebble reflective mirrors of directive are formed hot spot in target area after more faceted pebble mirror reflections, and hot spot is with more faceted pebble reflective mirrors
Rotation and move, mirror position detection device closes light by the position of real-time detection hot spot, in the position for generating blackening
Source generates the blackening of fixed position.The utility model only needs a light source, and matrix form headlight can be realized in a driving circuit
Function, improving resolution ratio and while accuracy, cost be greatly saved.
Claims (8)
1. a kind of matrix form headlight, including intelligent illuminating system, the intelligent illuminating system include light source, it is characterised in that: institute
The intelligent illuminating system stated further includes more faceted pebble reflective mirrors, reflective mirror drive and mirror position detection device, the light
Source is set to the side of more faceted pebble reflective mirrors, the more faceted pebble reflective mirrors of the light directive for that will issue；
More faceted pebble reflective mirrors are vertically arranged, for the light that reflection source issues, it made to be irradiated to the mesh in front of headlight
Region is marked, hot spot is generated；
The reflective mirror drive is drivingly connected more faceted pebble reflective mirrors, for driving more faceted pebble reflective mirrors to rotate, hot spot
It is moved with the rotation of more faceted pebble reflective mirrors position；
The signal output end of the mirror position detection device connects reflective mirror drive, and mirror position detection device is used
In the turned position of the more faceted pebble reflective mirrors of real-time detection, thus the hot spot position that obtains the facula position of target area, and will obtain
It sets and is sent to reflective mirror drive；
The output end of the reflective mirror drive connects light source control module, and the light source control module control connects light source,
Reflective mirror drive is according to light spot position signal, when determining that facula position is moved to the position for needing to generate blackening, sends
The order of light source is closed to light source control module, the light source control module control light source extinguishes, and turns in more faceted pebble reflective mirrors
When crossing the position of blackening, bright light source is put again.
2. matrix form headlight according to claim 1, which is characterized in that the reflective mirror drive include motor and
Motor driver, the motor driver are drivingly connected motor, and the machine shaft is connect with more faceted pebble reflective mirrors.
3. matrix form headlight according to claim 2, which is characterized in that the light source control module includes light source driving
Circuit, the output end of the light source driving circuit are drivingly connected light source, and the input terminal connection motor of the light source driving circuit drives
Dynamic device.
4. matrix form headlight according to claim 3, which is characterized in that the light source is provided with multiple, each light
Source corresponds to a light source driving circuit, and each light source is parallel to more faceted pebble reflective mirror arrangements, each light source corresponds to target area
In a line illuminated area will generate the incident ray that is parallel to each other of multichannel when multiple light sources open simultaneously while being irradiated to
On more faceted pebble reflective mirrors, more faceted pebble reflective mirrors by the incident ray that multichannel is parallel to each other and meanwhile be reflected into front target area,
Multirow illuminated area will be generated.
5. matrix form headlight according to claim 2, which is characterized in that the mirror position detection device includes photoelectricity
Encoder and Hall sensor, wherein photoelectric encoder is connect with machine shaft；The Hall sensor include Hall magnet steel and
The Hall element being welded in PCB circuit board, the Hall magnet steel is mounted on the top of more faceted pebble reflective mirrors by bearing, described
PCB circuit board is mounted on the top of Hall magnet steel.
6. matrix form headlight according to claim 1, which is characterized in that the light source be LED light source or laser light source,
The LED light source includes 1 or plurality of LEDs, and the laser light source is laser generator, and the laser generator is provided with light modulation
Component, for the angle by adjusting laser generator, to adjust the position in laser irradiation to more faceted pebble reflective mirrors.
7. matrix form headlight according to claim 6, which is characterized in that the intelligent illuminating system includes barn door,
The barn door is mounted on the top of PCB circuit board according to the angle of setting, for covering the stray light of light source sending, Yi Ji
Light-emitting window is closed when system is closed or laser fails.
8. matrix form headlight according to claim 1, which is characterized in that more faceted pebble reflective mirrors are 6 faceted pebble~12
Faceted pebble reflective mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821176713.3U CN208587850U (en) | 2018-07-24 | 2018-07-24 | A kind of matrix form headlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821176713.3U CN208587850U (en) | 2018-07-24 | 2018-07-24 | A kind of matrix form headlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587850U true CN208587850U (en) | 2019-03-08 |
Family
ID=65541865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821176713.3U Active CN208587850U (en) | 2018-07-24 | 2018-07-24 | A kind of matrix form headlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208587850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838749A (en) * | 2018-07-24 | 2019-06-04 | 华域视觉科技(上海)有限公司 | A kind of matrix form headlight and its matrix form illuminate the implementation method of function |
-
2018
- 2018-07-24 CN CN201821176713.3U patent/CN208587850U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838749A (en) * | 2018-07-24 | 2019-06-04 | 华域视觉科技(上海)有限公司 | A kind of matrix form headlight and its matrix form illuminate the implementation method of function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105570794B (en) | PES unit of the car light LED distance-lights one with ADB functions | |
| CN101988666B (en) | The luminescence component of car headlamp | |
| CN102705765B (en) | Luminaire in being arranged on motor vehicles | |
| CN105180055B (en) | Rotary illumination and/or signal designation module | |
| CN103574461B (en) | Headlight for automobile | |
| CN103244886B (en) | Vehicle headlamp and vehicle headlamp device | |
| CN102844616A (en) | Optical unit, vehicle monitor, and obstruction detector | |
| CN103213529A (en) | A headlamp of a motor vehicle | |
| US11377021B2 (en) | Motor vehicle headlight having at least two light modules | |
| CN108016348A (en) | A kind of automotive LED headlamp module and its control method | |
| CN109668116A (en) | Lamps apparatus for vehicle | |
| CN106500038A (en) | A kind of intelligent automotive light module relay lens group and its application | |
| CN101934757A (en) | Head lamp of vehicle | |
| CN208411553U (en) | A kind of automobile intelligent distance light lamp control system | |
| CN208587850U (en) | A kind of matrix form headlight | |
| CN207350122U (en) | A kind of intelligent automobile headlight module with complex function | |
| CN110939912A (en) | Car lamp module with ADB function | |
| CN204978400U (en) | LED headlamp | |
| CN109849773A (en) | A kind of intelligent automotive light self-adapted adjustment system and method based on chip | |
| CN109163303A (en) | A kind of distance-light lens module and its Optical implementation method without baffle switching | |
| CN205504771U (en) | Automobile -used laser light | |
| CN106641944A (en) | Lighting device for motor vehicle and motor vehicle | |
| CN109838749A (en) | A kind of matrix form headlight and its matrix form illuminate the implementation method of function | |
| CN213872561U (en) | LED car lamp module and LED car lamp assembly | |
| CN103687247A (en) | LED (light-emitting diode) illuminating lamp capable of adjusting color temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |