CN113390061A - Light source system capable of adjusting LED position - Google Patents
Light source system capable of adjusting LED position Download PDFInfo
- Publication number
- CN113390061A CN113390061A CN202110452926.4A CN202110452926A CN113390061A CN 113390061 A CN113390061 A CN 113390061A CN 202110452926 A CN202110452926 A CN 202110452926A CN 113390061 A CN113390061 A CN 113390061A
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- pcba
- right adjusting
- adjusting
- lens
- light source
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention aims to provide a light source system capable of adjusting the position of an LED (light emitting diode). through the PCBA with the LED and a left-right adjusting sliding block which are provided with the adjusting screws in contact fit with the PCBA, the adjusting screws move up and down under the action of external force, and a pressing elastic sheet extrudes the left-right adjusting sliding block and a lens to be combined, so that the PCBA moves forwards and backwards, and the left-right adjusting sliding block moves left and right; the front, back, left and right positions of the LED can be adjusted by rotating the adjusting screw under the action of external force, so that the relative position precision of the LED and other optical elements is improved, and the lighting effect of the LED and the performance of the whole optical system are improved.
Description
Technical Field
The invention relates to the field of automobile illumination, in particular to a light source system capable of adjusting the position of an LED.
Background
LEDs are popular as light sources for automotive lighting fixtures among consumers and manufacturers, and have become the most popular light source in the automotive market. With the reform and promotion of global sustainable development, the characteristics of low power and high brightness of the LED are receiving much attention, and how to improve the luminous efficiency of the LED is a further pursuit of manufacturers. Although the utilization rate of LED illumination is improved by using optical elements such as reflectors and the like in the existing LED lamp, the relative position precision of an LED and the optical elements in the actual lamp is difficult to guarantee due to manufacturing tolerance and poor assembly, so that the illumination utilization rate of the LED in actual illumination is generally not high, and the illumination effect is blurred and unclear. Therefore, the position of the LED needs to be adjusted, and the accuracy of the position adjustment directly affects the effect of LED illumination. Current patent CN108819837A discloses a LED electricity-saving lamp lighting device for car, through setting up the LED banks into the structure of a main lamp holder and two side lamp holders, independent control moreover to make the irradiation space scope of LED banks increase, convenient to use cup joints the regulating block through the pivot one end at the LED banks. Therefore, the irradiation angle of the lamp set can be adjusted through the interaction of the rotating shaft and the adjusting block. However, the front, back, left and right positions of the LED cannot be precisely adjusted, and it is important how the adjusting mechanism is arranged by the left, right, front and back adjusting components. In view of the above problems, it is a key to design a light source system that can adjust the position of the LED.
Disclosure of Invention
In order to solve the problems, the invention provides a light source system capable of adjusting the position of an LED, which adjusts the front, back, left and right positions of the LED by rotating an adjusting screw under the action of external force, so that the relative position precision of the LED and other optical elements is improved, the lighting effect of the LED is improved, and the problem of illumination blurring caused by non-focusing is solved.
The invention aims to provide a light source system capable of adjusting the position of an LED, which comprises a PCBA, wherein the PCBA is provided with the LED;
the PCBA is matched with a left adjusting sliding block and a right adjusting sliding block in a positioning mode through a hole column structure; the PCBA is matched with a lens in a positioning way through a hole column structure;
PCBA and left and right regulating slide block all have rather than contact complex adjusting screw, adjusting screw down motion under the exogenic action and be provided with compress tightly shell fragment extrusion about regulating slide block and lens both combine to realize that PCBA advances to retreat and control regulating slide block and move about.
The further improvement lies in that: still including the radiator, PCBA, left and right sides regulating slide and lens are installed on the radiator from the top down in proper order.
The further improvement lies in that: the radiator is fixed with a fixing nut from bottom to top through a bayonet structure, and the compression spring plate is fixed on the radiator from top to bottom through a screw; the adjusting screw is fixed on the fixing nut from bottom to top through a thread structure and can rotate under the action of external force, and then the up-and-down movement is realized.
The further improvement lies in that: the left and right adjusting slide block is provided with a left and right adjusting positioning column structure, the PCBA is provided with a left and right adjusting positioning hole structure, the left and right adjusting positioning column structure is matched with the left and right adjusting positioning hole structure, and the PCBA moves synchronously along with the position of the left and right adjusting slide block;
the lens is provided with a lens positioning column structure, the PCBA is provided with a lens positioning hole structure, the lens positioning column structure is matched with the lens positioning hole structure, and the PCBA moves synchronously along with the position of the lens.
The further improvement lies in that: the upper end of the adjusting screw is provided with a smooth conical surface, and the adjusting screw comprises a left adjusting screw, a right adjusting screw and a front adjusting screw and a rear adjusting screw;
one end of the PCBA is provided with a folded first inclined surface structure, the first inclined surface structure is matched with the upper end conical surfaces of the front and rear adjusting screws, the upper end conical surfaces of the front and rear adjusting screws move upwards to push the PCBA to retreat, and the upper end conical surfaces of the front and rear adjusting screws move downwards to release space so that the PCBA has forward space;
the left and right adjusting slide block moves left and right to drive the PCBA to move left and right synchronously;
when the left and right adjusting slide blocks are fixed, the PCBA can still move back and forth;
and a second inclined surface structure is arranged at one end of the left and right adjusting slide block, the second inclined surface structure is matched with the upper conical surfaces of the left and right adjusting screws, the upper conical surfaces of the left and right adjusting screws move upwards to push the left and right adjusting slide blocks to move leftwards, and the upper conical surfaces of the left and right adjusting screws move downwards to release space so that the left and right adjusting slide blocks have space for moving rightwards.
The further improvement lies in that: the compression spring plate is fixed on the radiator through a screw; the pressing elastic piece presses the lens, the left and right adjusting slide blocks and the PCBA in the up-down direction through elastic deformation;
the pressing elastic sheet extrudes the left side of the left and right adjusting slide block in the left and right direction through elastic deformation, so that the left and right adjusting slide block has the tendency of moving rightwards;
the pressing elastic sheet extrudes the rear side of the light distribution lens in the front-rear direction through elastic deformation, so that the light distribution lens has the tendency of moving forwards.
The further improvement lies in that: the radiator is provided with a left and right adjusting guide groove structure, the left and right adjusting sliding block is provided with a left and right adjusting guide rib structure which is matched with the left and right adjusting guide groove structure, and the left and right adjusting sliding block is limited to move only left and right.
The further improvement lies in that: the base material of the PCBA is a metal aluminum substrate or a copper substrate, so that the mechanical strength of the PCBA is improved.
The invention has the beneficial effects that: the PCBA with the LED and the left and right adjusting slide blocks are provided with adjusting screws in contact fit with the PCBA and the left and right adjusting slide blocks, and the adjusting screws move up and down under the action of external force and the pressing elastic pieces extrude the left and right adjusting slide blocks and the lens to be combined to realize forward and backward movement of the PCBA and left and right movement of the left and right adjusting slide blocks; the front, back, left and right positions of the LED can be adjusted by rotating the adjusting screw under the action of external force, so that the relative position precision of the LED and other optical elements is improved, and the lighting effect of the LED and the performance of the whole optical system are improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a cross-sectional view taken at a-a of fig. 2 in accordance with the present invention.
Fig. 4 is a cross-sectional view at B-B of fig. 2 of the present invention.
Fig. 5 is a schematic view of the PCBA of the present invention.
Fig. 6 is a schematic structural view of the left-right adjusting slider of the present invention.
Fig. 7 is a schematic structural view of the lens of the present invention.
Fig. 8 is a schematic structural diagram of a heat sink according to the present invention.
Wherein: 1-adjusting screw, 2-fixing nut, 3-radiator, 4-PCBA, 5-left and right adjusting slide block, 6-lens, 7-pressing spring piece, 8-screw, 1.1-left and right adjusting screw, 1.2-front and back adjusting screw, 3.1-left and right adjusting guide groove, 4.1-left and right adjusting positioning hole, 4.2-front and back adjusting inclined plane, 4.3-lens positioning hole, 4.4-LED, 5.1-left and right adjusting positioning column, 5.2-left and right adjusting inclined plane, 5.3-left and right adjusting guide rib, 6.1-lens positioning column.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1, the present embodiment provides a light source system capable of adjusting the position of an LED, which includes an adjusting screw 1, a fixing nut 2, a heat sink 3, a PCBA 4, a left-right adjusting slider 5, a lens 6, a pressing spring 7, and a screw 8.
As shown in fig. 2, 3 and 4, the fixing nut 2 is fixed on the heat sink 3 from the bottom up through a bayonet structure; the adjusting screw 1 is fixed on the fixing nut 2 from bottom to top through a thread structure and can rotate under the action of external force, and then the up-and-down movement is realized. PCBA 4, left and right adjusting slide 5 and lens 6 are installed on radiator 3 from top to bottom in proper order, compress tightly shell fragment 7 from top to bottom and pass through screw 8 to be fixed on radiator 3.
As shown in fig. 5, the PCBA 4 has a left-right adjustment positioning hole structure 4.1, a front-rear adjustment inclined surface structure 4.2 as an inclined surface structure one, a lens positioning hole structure 4.3, and an LED 4.4. The position of the LED4.4 will follow the position of the PCBA 4 in a synchronized movement.
As shown in fig. 6, the left-right adjusting slider 5 has a left-right adjusting positioning column structure 5.1, a left-right adjusting inclined surface structure 5.2 as an inclined surface structure two, and a left-right adjusting guide rib 5.3.
As shown in fig. 7, the lens 6 has a lens positioning post structure 6.1.
As shown in fig. 8, the heat sink 3 has a left-right adjustment guide groove structure 3.1.
As shown in fig. 3 (with reference to fig. 5, 6 and 8), the heat sink 3 has a left-right adjustment guide groove structure 3.1, and the left-right adjustment slider 5 has a left-right adjustment guide rib structure 5.3 which is matched with the left-right adjustment guide groove structure 3.1 to limit the left-right adjustment slider 5 to move only left and right. The left side of the compression spring plate 7 extrudes the left end of the left and right adjusting slide block 5 through elastic deformation, so that the left and right adjusting slide block 5 tends to move towards the right side.
The adjusting screw 1 comprises a left adjusting screw 1.1, a right adjusting screw 1.1 and a front adjusting screw 1.2.
The left and right adjusting slide block 5 has a left and right adjusting inclined plane structure 5.2 on the right side, the left and right adjusting inclined plane structure 5.2 is matched with the upper side conical surface of the left and right adjusting screw 1.1, the upper side conical surface of the left and right adjusting screw 1.1 blocks the trend that the left and right adjusting slide block 5 moves towards the right side, and then the left and right positions of the left and right adjusting slide block 5 are limited.
PCBA 4 has left and right sides and adjusts locating hole structure 4.1, and left and right side adjustment slider 5 has left and right sides and adjusts locating column structure 5.1 and left and right sides and adjust locating hole structure 4.1 cooperation, and left and right sides of adjusting slider 5 is moved and can be driven PCBA 4 and remove about together. When the left and right adjusting screws 1.1 rotate clockwise under the action of external force, the upper conical surface of the left and right adjusting screws 1.1 moves upwards along with the upper conical surface, and then the left and right adjusting inclined surface structures 5.2 are pushed to move leftwards through extrusion, so that the left and right adjusting sliding blocks 5 are driven to move leftwards, and then the PCBA 4 is driven to move leftwards, and further the LED position is driven to move leftwards. When the left and right adjusting screws 1.1 rotate anticlockwise under the action of external force, the upper side conical surfaces of the left and right adjusting screws 1.1 move downwards along with the left and right adjusting screws, and then the space is released to enable the left and right adjusting sliding blocks 5 to move rightwards under the extrusion of the pressing elastic pieces 7, so that the PCBA 4 is driven to move rightwards, and the LED position is driven to move rightwards.
As shown in fig. 4 (with reference to fig. 5, 6, 7 and 8), the left-right adjusting positioning hole structure 4.1 of the PCBA 4 is an oblong structure, the left-right adjusting positioning post structure 5.1 of the left-right adjusting slider 5 is a cylindrical structure, the left-right adjusting positioning hole structure 4.1 is matched with the left-right adjusting positioning post structure 5.1, and the left-right adjusting positioning post structure 5.1 can limit the left-right position of the PCBA 4 and limit the PCBA 4 to move only forwards and backwards. The lens 6 is provided with a lens positioning column structure 6.1, the PCBA 4 is provided with a lens positioning hole structure 4.3 matched with the lens positioning column structure 6.1, and the PCBA 4 can move synchronously along with the position of the lens 6. The rear side of the pressing elastic sheet 7 extrudes the rear end of the lens 6 through elastic deformation, so that the lens 6 and the PCBA 4 have the tendency of moving towards the front side. The front side of the PCBA 4 is provided with a front-back adjusting inclined surface structure 4.2, the front-back adjusting inclined surface structure 4.2 is matched with the upper side conical surface of the front-back adjusting screw 1.2, and the upper side conical surface of the front-back adjusting screw 1.2 blocks the trend that the lens 6 and the PCBA 4 move towards the front side, so that the front and back positions of the lens 6 and the PCBA 4 are limited. Adjusting screw 1.2 clockwise rotation under the exogenic action after present, the upside conical surface of front and back adjusting screw 1.2 can upwards move thereupon, and then 4.2 rearward movements of regulation inclined plane structure around the extrusion promotes, and then drive lens 6 and PCBA 4 rearward movement, and then drive LED position rearward movement. When the front and rear adjusting screws 1.2 rotate anticlockwise under the action of external force, the upper conical surface of the front and rear adjusting screws 1.2 moves downwards along with the front and rear adjusting screws, and then the space is released to enable the lens 6 and the PCBA 4 to move forwards under the extrusion of the pressing elastic sheet 7, and further the LED position is driven to move forwards.
In conclusion, the left and right adjusting screws 1.1 are rotated clockwise, and the position of the LED4.4 of the PCBA 4 can be adjusted leftwards; the left and right adjusting screws 1.1 are rotated anticlockwise, and the positions of the LEDs 4.4 of the PCBA 4 can be adjusted rightwards. The front and rear adjusting screws 1.2 are rotated clockwise, so that the positions of the LEDs 4.4 of the PCBA 4 can be adjusted backwards; the position of the LED4.4 of the PCBA 4 can be adjusted forwards by rotating the front and rear adjusting screws 1.2 anticlockwise, so that the relative position accuracy of the LED4.4 and other optical elements is improved, and the lighting effect of the LED4.4 and the performance of the whole optical system are improved.
Claims (8)
1. A light source system capable of adjusting the position of an LED comprises a PCBA (4) provided with the LED (4.4);
the method is characterized in that: the PCBA (4) is matched with a left adjusting sliding block and a right adjusting sliding block (5) in a positioning mode through a hole column structure; the PCBA (4) is matched with a lens (6) in a positioning way through a hole column structure;
the PCBA (4) and the left and right adjusting sliding blocks (5) are provided with adjusting screws (1) in contact fit with the PCBA and the left and right adjusting sliding blocks (5), the adjusting screws (1) move up and down under the action of external force, and pressing elastic pieces (7) are arranged to extrude the left and right adjusting sliding blocks (5) and the lens (6) to be combined to achieve the purposes that the PCBA (4) moves forwards and backwards and the left and right adjusting sliding blocks (5) move left and right.
2. The adjustable LED position light source system of claim 1, wherein: still including radiator (3), PCBA (4), left and right sides adjusting slider (5) and lens (6) are installed on radiator (3) from the top down in proper order.
3. The adjustable LED position light source system of claim 2, wherein: the heat radiator (3) is fixed with a fixing nut (2) from bottom to top through a bayonet structure, and the compression spring plate (7) is fixed on the heat radiator (3) from top to bottom through a screw (8); the adjusting screw (1) is fixed on the fixing nut (2) from bottom to top through a thread structure and rotates to move up and down under the action of external force.
4. The adjustable LED position light source system of claim 3, wherein: the left and right adjusting sliding block (5) is provided with a left and right adjusting positioning column structure (5.1), the PCBA (4) is provided with a left and right adjusting positioning hole structure (4.1), the left and right adjusting positioning column structure (5.1) is matched with the left and right adjusting positioning hole structure (4.1), and the PCBA (4) moves synchronously along with the position of the left and right adjusting sliding block (5);
the lens (6) is provided with a lens positioning column structure (6.1), the PCBA (4) is provided with a lens positioning hole structure (4.3), the lens positioning column structure (6.1) is matched with the lens positioning hole structure (4.3), and the PCBA (4) moves synchronously along with the position of the lens (6).
5. The adjustable LED position light source system of claim 4, wherein: the upper end of the adjusting screw (1) is provided with a smooth conical surface, and the adjusting screw (1) comprises a left adjusting screw (1.1), a right adjusting screw (1.1) and a front adjusting screw (1.2);
one end of the PCBA (4) is provided with a folded inclined plane structure I, the inclined plane structure I is matched with the upper end conical surface of the front and rear adjusting screw (1.2), the upper end conical surface of the front and rear adjusting screw (1.2) moves upwards to push the PCBA (4) to retreat, and the upper end conical surface of the front and rear adjusting screw (1.2) moves downwards to release space so that the PCBA (4) has advancing space;
the left and right adjusting slide block (5) moves left and right to drive the PCBA (4) to move left and right synchronously;
when the left and right adjusting sliders (5) are fixed, the PCBA (4) can still move back and forth;
one end of the left and right adjusting sliding block (5) is provided with a second inclined surface structure, the second inclined surface structure is matched with the conical surface at the upper end of the left and right adjusting screw (1.1), the conical surface at the upper end of the left and right adjusting screw (1.1) moves upwards to push the left and right adjusting sliding block (5) to move leftwards, and the conical surface at the upper end of the left and right adjusting screw (1.1) moves downwards to release space so that the left and right adjusting sliding block (5) has space to move rightwards.
6. The adjustable LED position light source system of claim 5, wherein: the compression spring plate (7) is fixed on the radiator (3) through a screw (8); the pressing elastic piece (7) presses the lens (6), the left and right adjusting sliding blocks (5) and the PCBA (4) in the vertical direction through elastic deformation;
the pressing elastic sheet (7) extrudes the left side of the left and right adjusting slide block (5) in the left and right direction through elastic deformation, so that the left and right adjusting slide block (5) has the tendency of moving rightwards;
the pressing elastic sheet (7) extrudes the rear side of the lens (6) in the front-rear direction through elastic deformation, so that the lens (6) has a tendency of moving forwards.
7. The adjustable LED position light source system of claim 2, wherein: the radiator (3) is provided with a left-right adjusting guide groove structure (3.1), the left-right adjusting slide block (5) is provided with a left-right adjusting guide rib structure (5.3) which is matched with the left-right adjusting guide groove structure (3.1), and the left-right adjusting slide block (5) is limited to move only left and right.
8. The adjustable LED position light source system of claim 1, wherein: the base material of the PCBA (4) is a metal aluminum substrate or a copper substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452926.4A CN113390061B (en) | 2021-04-26 | 2021-04-26 | Light source system capable of adjusting LED position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452926.4A CN113390061B (en) | 2021-04-26 | 2021-04-26 | Light source system capable of adjusting LED position |
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| Publication Number | Publication Date |
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| CN113390061A true CN113390061A (en) | 2021-09-14 |
| CN113390061B CN113390061B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110452926.4A Active CN113390061B (en) | 2021-04-26 | 2021-04-26 | Light source system capable of adjusting LED position |
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| CN (1) | CN113390061B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198712A (en) * | 2021-12-20 | 2022-03-18 | 芜湖安瑞光电有限公司 | Automobile lamp with adjustable light source |
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2021
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|---|---|---|---|---|
| US20070070637A1 (en) * | 2005-09-26 | 2007-03-29 | Shih-Hung Yu | Optical machine having light pipe with rotational degrees of freedom |
| CN105531150A (en) * | 2013-08-02 | 2016-04-27 | 法雷奥照明公司 | Device for fastening a lighting and/or signalling module on a structural element |
| US20180118092A1 (en) * | 2015-07-01 | 2018-05-03 | HELLA GmbH & Co. KGaA | Headlight for a motor vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198712A (en) * | 2021-12-20 | 2022-03-18 | 芜湖安瑞光电有限公司 | Automobile lamp with adjustable light source |
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| Publication number | Publication date |
|---|---|
| CN113390061B (en) | 2022-08-30 |
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