CN206973463U - Car light light adjusting system, vehicle lamp assembly and automobile based on MEMS micromirror - Google Patents
Car light light adjusting system, vehicle lamp assembly and automobile based on MEMS micromirror Download PDFInfo
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- CN206973463U CN206973463U CN201720865149.5U CN201720865149U CN206973463U CN 206973463 U CN206973463 U CN 206973463U CN 201720865149 U CN201720865149 U CN 201720865149U CN 206973463 U CN206973463 U CN 206973463U
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Abstract
It the utility model is related to automobile lamp technical field, more particularly to a kind of car light light-dimming method and system based on MEMS micromirror, vehicle lamp assembly and automobile.The car light light-dimming method is that the light for sending light source is projected on MEMS micromirror array, light is projected after carrying out the MEMS micromirror of back rotation and reflecting, and the default amplitude by adjusting MEMS micromirror adjusts illumination light type.The car light light adjusting system includes lamp body, light source and MEMS micromirror array are provided with lamp body, MEMS micromirror array includes the MEMS micromirror drive circuit that MEMS micromirror seat, multiple MEMS micromirrors for being distributed and being movably arranged on MEMS micromirror seat in array and driving MEMS micromirror rotate on MEMS micromirror seat；The light that light source is sent is incident upon on MEMS micromirror array and projected after carrying out the MEMS micromirror of back rotation and reflecting.The advantages of with integrated level height, small volume, high, reliable stable light modulation precision.
Description
Technical field
It the utility model is related to automobile lamp technical field, more particularly to a kind of car light light-dimming method based on MEMS micromirror
With the vehicle lamp assembly of system including the car light light adjusting system and the automobile including the vehicle lamp assembly.
Background technology
For automobile lamp, light modulation is the necessary requirement that car light realizes its function.Existing car light is by light-modulating motor in lamp
Movable in body realizes that distance-light is highly adjusted, and light-modulating motor is arranged on lamp body by light-modulating motor support.In order to
Light-modulating motor support is moved forward and backward in lamp body, guide groove is provided with lamp body, light-modulating motor support is slideably inserted
In guide groove, guide groove is that light-modulating motor support reserves enough movement travels, thus can realize regulation distance-light height.
Light type is adjusted by setting shadow shield between light source and lens.Shadow shield is process using metal making sheet, shading graph
Fixed single.In order to adapt to the illumination light type demand of different road conditions, it is necessary to configure polylith shadow shield or rotatable shadow shield,
And corresponding magnetic valve and motor are configured, drive shadow shield mobile by motor or rotate to change light type.
The above-mentioned system for being used to adjust car light light needs to realize by more machine components, there is that volume is big, operation
The defects of noise is big, light modulation precision is low, the easy step-out of light-modulating motor, short life.
In addition, with the development of automobile industry, the illuminator of automobile lamp is increasingly intelligent, can realize intelligent lighting
Also as a requirement of car light function.Automobile lamp realizes that the mode of intelligent lighting has at present：The mode of multiple light courcess and how saturating
The mode of mirror.The mode of multiple light courcess needs multiple LED light sources or LASER Light Source, and this scheme cost is high, high energy consumption；Poly-lens
Mode then needs the installing space of bulky and complicated optical design.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of small volume, light modulation precision high, operational reliability and steady
The vehicle lamp assembly of qualitative good car light light-dimming method and system based on MEMS micromirror including the car light light adjusting system and including
The automobile of the vehicle lamp assembly, to overcome the drawbacks described above of prior art.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that：
A kind of car light light adjusting system based on MEMS micromirror, including lamp body, lamp body is interior to be provided with light source and MEMS micromirror array,
MEMS micromirror array includes MEMS micromirror seat, multiple is distributed in array and the MEMS that is movably arranged on MEMS micromirror seat is micro-
The MEMS micromirror drive circuit that mirror and driving MEMS micromirror rotate on MEMS micromirror seat；MEMS micromirror drive circuit drives
MEMS micromirror carrys out back rotation with predeterminated frequency and default amplitude, and the light that light source is sent is incident upon on MEMS micromirror array and through coming
Projected after the MEMS micromirror reflection of back rotation.
Preferably, MEMS micromirror array is provided with multigroup.
Preferably, the light that light source is sent is in the light type to match with the arrangement form of MEMS micromirror array.
A kind of vehicle lamp assembly, including the car light light adjusting system based on MEMS micromirror as described above.
A kind of automobile, including vehicle lamp assembly as described above.
A kind of car light light-dimming method based on MEMS micromirror, MEMS micromirror array is set in body of vehicle light, makes MEMS micro-
MEMS micromirror in lens array in predeterminated frequency and is preset around MEMS micromirror array and the perpendicular lateral shaft of light direction of illumination
Amplitude gets off back rotation, and the light that light source is sent is projected on MEMS micromirror array, makes MEMS of the light through carrying out back rotation micro-
Projected after the reflection of mirror, form illumination light type；Default amplitude by adjusting MEMS micromirror realizes the regulation of illumination light type.
Preferably, make all MEMS micromirrors same around the perpendicular lateral shaft deflection of MEMS micromirror array and light direction of illumination
One angle, realize the upper-lower height regulation of illumination light type.
Preferably, make all MEMS micromirrors same around the perpendicular longitudinal axis deflection of MEMS micromirror array and light direction of illumination
One angle, realize the right position regulation of illumination light type.
Preferably, the rotation to each MEMS micromirror in MEMS micromirror array is individually controlled, by individually controlling list
Individual MEMS micromirror irradiates around MEMS micromirror array and the perpendicular lateral shaft of light direction of illumination or MEMS micromirror array with light
The perpendicular longitudinal axis in direction deflects, and realizes regulation of the illumination light type in corresponding illumination region bright-dark degree.
Preferably, predeterminated frequency is not less than 100Hz.
Compared with prior art, the utility model has significant progressive：
By setting MEMS micromirror array in body of vehicle light, the light that light source is sent is set to project MEMS micromirror array
On, and projected after the reflection of the MEMS micromirror through carrying out back rotation in MEMS micromirror array with predeterminated frequency and default amplitude, pass through
The MEMS micromirror scanning high-frequency to incident ray for carrying out back rotation forms illumination light type, according to actual road conditions needs, passes through tune
Section MEMS micromirror carrys out the default amplitude of back rotation, and illumination light type can be adjusted, and light modulation is very convenient, have integrated level it is high,
The advantages of small volume, light modulation precision are high, operational reliability and stability are good, service life is long.
Brief description of the drawings
Fig. 1 is the structural representation of the car light light adjusting system based on MEMS micromirror of the utility model embodiment.
Fig. 2 is that the MEMS micromirror for carrying out back rotation in the utility model embodiment carries out high-frequency scanning to incident ray simultaneously
Linear light type is converted into the schematic diagram of face light type.
In figure：
1st, MEMS micromirror array 10, MEMS micromirror
11st, MEMS micromirror seat 2, light source
3rd, the light type to match with the arrangement form of MEMS micromirror array
4th, face light type
Embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.These embodiments are only
For illustrating the utility model, and it is not limitation of the utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that instruction or
Imply relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on can understanding as the case may be
State concrete meaning of the term in the utility model.
In addition, in description of the present utility model, unless otherwise indicated, " multiple " are meant that two or more.
It should be noted that MEMS (Micro-Electro-Mechanical System, MEMS) is by partly leading
Body material or other controllable micro mechanical structure systems formed suitable for micro-machined material, the general principle of MEMS micromirror are
By the effect of electrostatic (or magnetic force or electric heating) make can the micro mirror minute surface of activity rotate or translation, so as to change incidence
The direction of propagation of light, moreover, MEMS micromirror carrys out back rotation with certain frequency and amplitude.
Embodiment one
The utility model embodiment one provides a kind of car light light-dimming method based on MEMS micromirror.As shown in figure 1, this reality
The car light light-dimming method based on MEMS micromirror for applying example one is：MEMS micromirror array 1 is set in body of vehicle light, makes MEMS micromirror
MEMS micromirror 10 in array 1 is around MEMS micromirror array 1 and the perpendicular lateral shaft of light direction of illumination (X as shown in Figure 1
To) back rotation under predeterminated frequency and default amplitude, the light that light source 2 is sent is projected on MEMS micromirror array 1, makes light
Projected after the reflection of MEMS micromirror 10 of the line through carrying out back rotation, form illumination light type.Shaken by adjusting the default of MEMS micromirror 10
Width realizes the regulation of illumination light type.Predeterminated frequency herein and default amplitude refer to what is set according to actual road conditions lighting demand
Frequency and amplitude.
To enable illumination light type of the light through being formed after carrying out the reflection of the MEMS micromirror 10 of back rotation to play continuous effective
Illuminating effect, the predeterminated frequency that MEMS micromirror 10 carrys out back rotation should be set to higher frequency.In the present embodiment one, it is preferable that
The predeterminated frequency that MEMS micromirror 10 carrys out back rotation is not less than 100Hz.
In MEMS micromirror array 1 come the MEMS micromirror 10 of back rotation to the high-frequency scanning of incident ray by way of can
So that linear light type is converted into face light type, therefore in the present embodiment one, it is micro- that the light of light source 2 is projected to MEMS in a linear fashion
On lens array 1.Preferably, as shown in Fig. 2 the light that light source 2 is sent in the present embodiment one is in the arrangement with MEMS micromirror array 1
The light type 3 that form matches, i.e., the light that light source 2 is sent are projected to all MEMS of MEMS micromirror array 1 in a linear fashion
On micro mirror 10, the face light type 4 for meeting road lighting requirement is converted into after the high frequency scan by MEMS micromirror 10.
Light source 2 in the present embodiment one can use LASER Light Source, can also use LED light source.During using LASER Light Source,
LASER Light Source can be the white light source that the Laser Modulation of different colours goes out, or blue laser is converted into through fluorescent material
White light source.
The car light light-dimming method based on MEMS micromirror of the present embodiment one, by carrying out the MEMS micromirror 10 of back rotation to incidence
The high-frequency scanning of light forms illumination light type, according to actual road conditions needs, by adjusting MEMS micromirror 10 come the pre- of back rotation
If illumination light type can be adjusted for amplitude.For example, for dipped beam light type, make the MEMS micromirror positioned at dipped beam dead line downside
10 carry out back rotation with less default amplitude and higher predeterminated frequency, make MEMS micromirror 10 positioned at dipped beam dead line high side with
Larger default amplitude and higher predeterminated frequency carry out back rotation, and dipped beam is just formd after the two combination.Distance light light type is similarly.
Further, on the basis of illumination light type is realized, the upper-lower height of illumination light type can be adjusted：Make to own
MEMS micromirror 10 deflects same angle around the perpendicular lateral shaft of MEMS micromirror array 1 and light direction of illumination, then can be achieved to shine
Mingguang City's type is overall to be moved up or moves down, so as to realize irradiant upper-lower height regulation.
Further, on the basis of illumination light type is realized, the right position of illumination light type can be adjusted：Make to own
MEMS micromirror 10 is same around MEMS micromirror array 1 and the perpendicular longitudinal axis of light direction of illumination (Y-direction as shown in Figure 1) deflection
One angle, then moving left and right for illumination light type entirety can be achieved, so as to realize the right position regulation of illumination light type, meet bend
The demand of floor light.
Further, the rotation to each MEMS micromirror 10 in MEMS micromirror array 1 is individually controlled, by individually controlling
Single MEMS micromirror 10 is around MEMS micromirror array 1 and the perpendicular lateral shaft of light direction of illumination or MEMS micromirror array 1 and light
The perpendicular longitudinal axis of line direction of illumination deflects, and realizes regulation of the illumination light type in corresponding illumination region bright-dark degree.I.e.
Can be according to the lighting demand in certain specific illumination region, to MEMS corresponding with the specific illumination region in MEMS micromirror array 1
Micro mirror 10 is independently controlled, and makes it around MEMS micromirror array 1 and light direction of illumination perpendicular lateral shaft or MEMS micromirror
The longitudinal axis perpendicular with light direction of illumination of array 1 deflects, and so as to change the bright-dark degree of reflection light, and then adjusts
Illuminate bright-dark degree of the light type in the specific illumination region.Intelligent lighting function is thus achieved, and is realizing intelligent lighting
During can make full use of the energy of light source, efficiency high.
The car light light-dimming method based on MEMS micromirror of the present embodiment one, by setting MEMS micromirror battle array in body of vehicle light
Row 1, the light for sending light source 2 are projected on MEMS micromirror array 1, and through in MEMS micromirror array 1 with predeterminated frequency and pre-
If amplitude projects after carrying out the reflection of the MEMS micromirror 10 of back rotation, by carrying out the MEMS micromirror 10 of back rotation to incident ray high frequency
The scanning of rate forms illumination light type, according to actual road conditions needs, by adjusting MEMS micromirror 10 come the default amplitude of back rotation i.e.
Illumination light type can be adjusted, light modulation is very convenient.In addition, by carrying out the MEMS micromirror 10 of back rotation to incident ray high frequency
Linear light type can be converted into face light type by the mode of the scanning of rate, therefore the light that light source 2 is sent can be linear light type, can
Reduce the volume of light source 2.Also, the energy of light source, efficiency high can be made full use of during intelligent lighting is realized.Cause
This, the car light light-dimming method based on MEMS micromirror of the present embodiment one has integrated level height, small volume, light modulation precision height, operation
The advantages of reliability and stability are good, service life is long.
Embodiment two
The utility model embodiment two provides a kind of car light light adjusting system based on MEMS micromirror, the base of the present embodiment two
The car light light-dimming method based on MEMS micromirror of embodiment one can be realized in the car light light adjusting system of MEMS micromirror.
As shown in figure 1, the car light light adjusting system based on MEMS micromirror of the present embodiment two includes lamp body (not shown),
Light source 2 and MEMS micromirror array 1 are provided with lamp body, MEMS micromirror array 1 includes MEMS micromirror seat 11, MEMS micromirror 10 and MEMS
Micro mirror drive circuit (not shown).MEMS micromirror 10 be provided with it is multiple, multiple MEMS micromirrors 10 in array be distributed and
Actively on MEMS micromirror seat 11, MEMS micromirror drive circuit is connected with MEMS micromirror 10, for driving MEMS micromirror 10
Rotated on MEMS micromirror seat 11：MEMS micromirror drive circuit had both driven MEMS micromirror 10 to be shone around MEMS micromirror array 1 and light
Penetrate perpendicular vertical of the perpendicular lateral shaft in direction (X as shown in Figure 1 to) or MEMS micromirror array 1 and light direction of illumination
Deflected to axle (Y-direction as shown in Figure 1), to change the minute surface direction of MEMS micromirror 10；MEMS micromirror drive circuit
Drive MEMS micromirror 10 around MEMS micromirror array 1 and the perpendicular lateral shaft of light direction of illumination in predeterminated frequency and default amplitude
Get off back rotation.The light that light source 2 is sent is incident upon on MEMS micromirror array and after carrying out the MEMS micromirror 10 of back rotation and reflecting
Project, form illumination light type.
To enable illumination light type of the light through being formed after carrying out the reflection of the MEMS micromirror 10 of back rotation to play continuous effective
Illuminating effect, the predeterminated frequency that MEMS micromirror 10 carrys out back rotation should be set to higher frequency.In the present embodiment two, it is preferable that
The predeterminated frequency that MEMS micromirror 10 carrys out back rotation is not less than 100Hz.
Linear light type can be turned by way of carrying out the MEMS micromirror 10 of back rotation to the high-frequency scanning of incident ray
Change face light type into, therefore in the present embodiment two, the light of light source 2 is projected on MEMS micromirror array 1 in a linear fashion.It is preferred that
Ground, the light that light source 2 is sent in the present embodiment two is linear light type, is converted into after the high frequency scan by MEMS micromirror 10 full
The face light type of sufficient road lighting requirement.
Light source 2 in the present embodiment two can use LASER Light Source, can also use LED light source.During using LASER Light Source,
LASER Light Source can be the white light source that the Laser Modulation of different colours goes out, or blue laser is converted into through fluorescent material
White light source.
The car light light adjusting system based on MEMS micromirror of the present embodiment two, by carrying out the MEMS micromirror 10 of back rotation to incidence
The high-frequency scanning of light forms illumination light type, according to actual road conditions needs, by adjusting MEMS micromirror 10 come the pre- of back rotation
If illumination light type can be adjusted for amplitude.For example, for dipped beam light type, make the MEMS micromirror positioned at dipped beam dead line downside
10 carry out back rotation with less default amplitude and higher predeterminated frequency, make MEMS micromirror 10 positioned at dipped beam dead line high side with
Larger default amplitude and higher predeterminated frequency carry out back rotation, and dipped beam is just formd after the two combination.Distance light light type is similarly.
Further, on the basis of illumination light type is realized, the upper-lower height of illumination light type can be adjusted：Make to own
MEMS micromirror 10 deflects same angle around the perpendicular lateral shaft of MEMS micromirror array 1 and light direction of illumination, then can be achieved to shine
Mingguang City's type is overall to be moved up or moves down, so as to realize irradiant upper-lower height regulation.
Further, on the basis of illumination light type is realized, the right position of illumination light type can be adjusted：Make to own
MEMS micromirror 10 deflects same angle around the perpendicular longitudinal axis of MEMS micromirror array 1 and light direction of illumination, then can be achieved to shine
Mingguang City's type is overall to be moved left and right, and so as to realize the right position regulation of illumination light type, meets the needs of bend auxiliary lighting.
Further, the rotation to each MEMS micromirror 10 in MEMS micromirror array 1 is individually controlled, by individually controlling
Single MEMS micromirror 10 is around MEMS micromirror array 1 and the perpendicular lateral shaft of light direction of illumination or MEMS micromirror array 1 and light
The perpendicular longitudinal axis of line direction of illumination deflects, and realizes regulation of the illumination light type in corresponding illumination region bright-dark degree.I.e.
Can be according to the lighting demand in certain specific illumination region, to MEMS corresponding with the specific illumination region in MEMS micromirror array 1
Micro mirror 10 is independently controlled, and makes it around MEMS micromirror array 1 and light direction of illumination perpendicular lateral shaft or MEMS micromirror
The longitudinal axis perpendicular with light direction of illumination of array 1 deflects, and so as to change the bright-dark degree of reflection light, and then adjusts
Illuminate bright-dark degree of the light type in the specific illumination region.Intelligent lighting function is thus achieved, and is realizing intelligent lighting
During can make full use of the energy of light source, efficiency high.
Therefore, the car light light adjusting system based on MEMS micromirror of the present embodiment two can realize far and near light type regulatory function,
Upper and lower dimming function, bend auxiliary lighting function and intelligent lighting function.
Based on the above-mentioned car light light adjusting system based on MEMS micromirror, the present embodiment two additionally provides a kind of vehicle lamp assembly, this
The vehicle lamp assembly of embodiment two includes the car light light adjusting system based on MEMS micromirror as described above.
Based on above-mentioned vehicle lamp assembly, the present embodiment two additionally provides a kind of automobile, and the automobile of the present embodiment two is included as above
Described vehicle lamp assembly.
The car light light-dimming method system based on MEMS micromirror of the present embodiment two including the car light of the car light light adjusting system are total
Into and including the vehicle lamp assembly automobile, pass through in body of vehicle light set MEMS micromirror array 1, the light for sending light source 2
Line is projected on MEMS micromirror array 1, and through carrying out the MEMS of back rotation in MEMS micromirror array 1 with predeterminated frequency and default amplitude
Projected after the reflection of micro mirror 10, the scanning high-frequency to incident ray of the MEMS micromirror 10 by carrying out back rotation forms illumination light
Type, according to actual road conditions needs, illumination light type can be adjusted come the default amplitude of back rotation by adjusting MEMS micromirror 10
Section, light modulation are very convenient.In addition, can be with by way of carrying out the MEMS micromirror 10 of back rotation to the high-frequency scanning of incident ray
Linear light type is converted into face light type, therefore the light that light source 2 is sent can be linear light type, can reduce the volume of light source 2.And
And the energy of light source, efficiency high can be made full use of during intelligent lighting is realized.Therefore with integrated level height, volume
Small, the advantages of light modulation precision is high, operational reliability and stability are good, service life is long.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and replacement can also be made, these change
Enter and replace and also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of car light light adjusting system based on MEMS micromirror, it is characterised in that including lamp body, light source is provided with the lamp body
(2) and MEMS micromirror array (1), the MEMS micromirror array (1) include MEMS micromirror seat (11), it is multiple in array distribution and
The MEMS micromirror (10) being movably arranged on the MEMS micromirror seat (11) and the driving MEMS micromirror (10) are described
The MEMS micromirror drive circuit rotated on MEMS micromirror seat (11)；The MEMS micromirror drive circuit drives the MEMS micromirror
(10) back rotation is come with predeterminated frequency and default amplitude, the light that the light source (2) sends is incident upon the MEMS micromirror array
(1) projected on and after carrying out the MEMS micromirror (10) of back rotation and reflecting.
2. the car light light adjusting system according to claim 1 based on MEMS micromirror, it is characterised in that the MEMS micromirror battle array
(1) is arranged provided with multigroup.
3. the car light light adjusting system according to claim 1 based on MEMS micromirror, it is characterised in that light source (2) hair
The light gone out is in the light type to match with the arrangement form of the MEMS micromirror array (1).
4. a kind of vehicle lamp assembly, it is characterised in that including as described in any one in claim 1-3 based on MEMS micromirror
Car light light adjusting system.
5. a kind of automobile, it is characterised in that including vehicle lamp assembly as claimed in claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720865149.5U CN206973463U (en) | 2017-07-17 | 2017-07-17 | Car light light adjusting system, vehicle lamp assembly and automobile based on MEMS micromirror |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720865149.5U CN206973463U (en) | 2017-07-17 | 2017-07-17 | Car light light adjusting system, vehicle lamp assembly and automobile based on MEMS micromirror |
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| CN206973463U true CN206973463U (en) | 2018-02-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388155A (en) * | 2017-07-17 | 2017-11-24 | 上海小糸车灯有限公司 | Car light light-dimming method and system, vehicle lamp assembly and automobile based on MEMS micromirror |
| CN110094692A (en) * | 2018-11-16 | 2019-08-06 | 华域视觉科技(上海)有限公司 | The lighting device and automobile of integrated LiDAR system |
| CN114690328A (en) * | 2022-04-19 | 2022-07-01 | 无锡迅杰光远科技有限公司 | Digital adjustable multi-channel light path control method |
-
2017
- 2017-07-17 CN CN201720865149.5U patent/CN206973463U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388155A (en) * | 2017-07-17 | 2017-11-24 | 上海小糸车灯有限公司 | Car light light-dimming method and system, vehicle lamp assembly and automobile based on MEMS micromirror |
| CN110094692A (en) * | 2018-11-16 | 2019-08-06 | 华域视觉科技(上海)有限公司 | The lighting device and automobile of integrated LiDAR system |
| CN110094692B (en) * | 2018-11-16 | 2024-01-26 | 华域视觉科技(上海)有限公司 | Lighting device of integrated LiDAR system and car |
| CN114690328A (en) * | 2022-04-19 | 2022-07-01 | 无锡迅杰光远科技有限公司 | Digital adjustable multi-channel light path control method |
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Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |