CN212132312U - Primary optical element assembly, vehicle lighting device, vehicle lamp and vehicle - Google Patents
Primary optical element assembly, vehicle lighting device, vehicle lamp and vehicle Download PDFInfo
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- CN212132312U CN212132312U CN202020281768.1U CN202020281768U CN212132312U CN 212132312 U CN212132312 U CN 212132312U CN 202020281768 U CN202020281768 U CN 202020281768U CN 212132312 U CN212132312 U CN 212132312U
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Abstract
The utility model relates to an automobile lamp, in particular to a primary optical element assembly, which comprises a low-beam primary optical element (1) and a high-beam primary optical element (2) arranged below the low-beam primary optical element (1); the low-beam primary optical element (1) and the high-beam primary optical element (2) are formed in one piece. Furthermore, the utility model discloses still disclose vehicle lighting device, car light and vehicle including primary optical element subassembly. The utility model discloses a primary optical element subassembly compact structure, the volume is less, and the assembly precision is high.
Description
Technical Field
The utility model relates to an automobile lamp specifically relates to a primary optical element subassembly. Furthermore, the utility model discloses still relate to vehicle lighting device, car light and vehicle.
Background
In recent years, the automobile lamp and the headlamp module assembled in the automobile lamp have been rapidly developed, from the early halogen lamp to the later xenon lamp, and then to the current LED and laser light source, so that the automobile lamp becomes more intelligent and the shape is more differentiated. Among various car light sources, the LED light source is gradually paid attention from car manufacturers due to its excellent performance and low cost advantage, and its light distribution structure is gradually developed along with the development of the LED light source.
Projection lighting systems of LED light sources commonly used in automotive lamps in the prior art generally include a light source, a reflective element, a light shielding plate, and an optical lens. The light emitted by the light source is reflected by the reflecting element and then emitted to the light shielding plate, and after being intercepted by the light shielding plate, the light is projected by the optical lens to form an illumination light shape with a cut-off line. However, because the LED light source has a large light emitting angle, the size of the reflective element needs to have a large coverage area relative to the light emitting angle of the light source to ensure a certain system light efficiency, but there is a significant contradiction with the trend of the more compact automobile model in the future. There is therefore a need for a compact, lightweight, efficient optical system to meet the strong demands of the market.
In view of the above-mentioned deficiencies of the prior art, there is a need to design a primary optical element assembly.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that the first aspect will be solved provides a primary optical element subassembly, this primary optical element subassembly compact structure, and the volume is less, and the assembly precision is high.
Furthermore, the second aspect of the present invention is to provide a vehicle lighting device, in which the primary optical element assembly has a compact structure, a small volume and a high assembly accuracy.
Further, the third aspect of the present invention is to provide a vehicle lamp, wherein the primary optical element assembly in the vehicle lamp has a compact structure, a small volume and a high assembly precision.
Furthermore, the present invention provides a vehicle, the primary optical element assembly of which has a compact structure, a small volume and a high assembly precision.
In order to solve the above technical problem, a first aspect of the present invention provides a primary optical element assembly, including a low-beam primary optical element and a high-beam primary optical element disposed below the low-beam primary optical element; the low-beam primary optical element and the high-beam primary optical element are formed in one piece.
As a preferred structural form, the low-beam primary optical element includes at least one low-beam light condensing portion, a low-beam light passing portion, and a low-beam light exiting portion in this order from rear to front, and a front edge of a lower surface of the low-beam light passing portion is formed in a cut-off line structure; the high-beam primary optical element sequentially comprises at least one high-beam light-condensing part and a high-beam light-emitting part from back to front; the high beam primary optical element is formed integrally with a lower surface of the low beam passing portion; or the low-beam primary optical element sequentially comprises at least one low-beam light condensing part and a low-beam light emergent part from back to front; the high beam primary optical element sequentially comprises at least one high beam condensing part, a high beam light transmitting part and a high beam light emitting part from back to front, and the front edge of the upper surface of the high beam light transmitting part is formed into a cut-off line structure; the low-beam primary optical element is formed integrally with an upper surface of the high-beam light-passing portion.
More preferably, the low beam condensing portion is plural in number and arranged in the left-right direction, and the high beam condensing portion is plural in number and arranged in the left-right direction.
Further preferably, the low beam light condensing part is a light condensing cup structure or a convex structure protruding backward, and the high beam light condensing part is a light condensing cup structure or a convex structure protruding backward.
Furthermore, a concave cavity is formed in the rear end of the light gathering cup structure, a protrusion is arranged at the bottom of the concave cavity, and the outer contour surface of the light gathering cup structure is a curved surface structure with the diameter gradually increasing from the rear end to the front end; or the light-gathering cup structure is a solid structure, the light incident surface of the light-gathering cup structure is a plane, an outer convex curved surface or an inner concave curved surface, and the outer contour surface of the light-gathering cup structure is a curved surface structure with the diameter gradually increasing from the rear end to the front end.
As another preferred structure form, a transverse sectional line of the light emitting surface of the low-beam light emitting portion having the cut-off line structure is a curve which is concave backward.
As still another preferable structural form, a transverse sectional line of the light exit surface of the high-beam light exit portion having the cut-off line structure is a curve that is concave rearward.
A second aspect of the present invention provides a vehicle lighting device, including a low beam light source, a high beam light source and according to any one of the above technical solutions, the low beam light source and the low beam light condensing portion one-to-one of the low beam primary optical element are disposed, the high beam light source and the high beam light condensing portion one-to-one of the high beam primary optical element are disposed.
Specifically, the vehicle lighting device of the present invention further comprises a low beam circuit board and a high beam circuit board, wherein the low beam light source is disposed on the low beam circuit board, and the high beam light source is disposed on the high beam circuit board; or the low beam light source and the high beam light source are arranged on the circuit board.
A third aspect of the present invention provides a vehicle lamp, including the vehicle lighting device according to any one of the above-described technical solutions.
The utility model discloses the fourth aspect still provides a vehicle, include according to above-mentioned technical scheme in the car light.
With the above technical solution, the primary optical element assembly of the present invention includes a low-beam primary optical element and a high-beam primary optical element disposed below the low-beam primary optical element; the low-beam primary optical element and the high-beam primary optical element are formed in one piece. The utility model discloses a primary optical element subassembly is through the primary optical element of nearly light and the primary optical element integrated into one piece of distance beam, under the prerequisite that does not influence distance beam illumination and passing light illumination, can effectively reduce car light optical element's volume, can also improve the installation accuracy simultaneously.
Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.
Drawings
Fig. 1 is one of schematic perspective views of a primary optical element assembly according to a first embodiment of the present invention;
fig. 2 is a second perspective view of the primary optical element assembly according to the first embodiment of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
fig. 4 is a perspective view of a primary optical element assembly according to a second embodiment of the present invention;
FIG. 5 is a cross-sectional view of FIG. 4;
fig. 6 is a cross-sectional view of another light-focusing structure according to a second embodiment of the present invention;
fig. 7 is a schematic view of the light shape of the vehicle lamp in the low beam mode according to the embodiment of the present invention;
fig. 8 is a schematic view of the light shape of the vehicle lamp in the high beam mode according to the embodiment of the present invention.
Description of the reference numerals
1 low beam primary optical element 11 low beam light-gathering part
12 low beam light-passing part 13 low beam light-emitting part
14 stop line structure
2 high beam primary optical element 21 high beam condensing unit
22 high beam light-passing part 23 high beam light-emitting part
3 low beam light source and 4 high beam light source
5 low beam cut-off line 6 low beam mode vehicle light shape
Light shape of car lamp in 7 high beam mode
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It should be noted that, in the following description, for clarity of explanation, directional terms such as "rear", "front", "left" and "right" are used to refer to the meaning of the directional terms of the light emitting path, for example, taking a low-beam primary optical element as an example, one end of the low-beam primary optical element close to the low-beam light source is rear, and one end of the low-beam primary optical element far from the low-beam light source is front; it can also be understood that the end where the low-beam light condensing portion is located is the rear end, the end where the low-beam light emitting portion is located is the front end, and the directions represented by the left and right sides of the low-beam primary optical element relative to the front-rear direction of the low-beam primary optical element are the left-right direction.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides a primary optical element assembly, which comprises a low-beam primary optical element 1 and a high-beam primary optical element 2 arranged below the low-beam primary optical element 1; the low-beam primary optical element 1 and the high-beam primary optical element 2 are formed in one piece. The low-beam primary optical element 1 and the high-beam primary optical element 2 are suitable for collecting and collimating light rays respectively and projecting the light rays through the secondary optical element to form a low-beam illumination light shape and a high-beam illumination light shape, wherein the secondary optical element is arranged in front of the primary optical element assembly, and is preferably a lens.
As shown in fig. 1 to 3, as a preferred structure form, the low-beam primary optical element 1 includes at least one low-beam light condensing portion 11, a low-beam light passing portion 12, and a low-beam light exiting portion 13 in this order from rear to front, and a front edge of a lower surface of the low-beam light passing portion 12 is formed as a cut-off line structure 14; the high beam primary optical element 2 comprises at least one high beam condensing part 21 and a high beam emergent part 23 in sequence from back to front; the high beam primary optical element 2 is formed integrally with the lower surface of the low beam passage portion 12.
The primary optical element assembly of the present invention forms the cut-off line structure 14 by the lower edge of the low beam light emergent portion 13, and the shape of the cut-off line structure 14 matches with the shape of the low beam cut-off line 5. After passing through the low-beam light-passing portion 12, the light is emitted from the low-beam light-emitting portion 13, which can be intercepted by the cut-off line structure 14 and projected through the secondary optical element to form a low-beam illumination light pattern having a low-beam cut-off line 5. Meanwhile, the light is converged and collimated by the high beam condensing part 21 and then emitted by the high beam emitting part 23, and can be intercepted by the cut-off line structure 14 and projected by the secondary optical element to form a high beam illumination light pattern with a high beam cut-off line, and the high beam cut-off line is superposed with the low beam cut-off line, so that the low beam illumination light pattern is well connected with the high beam illumination light pattern.
As shown in fig. 5 and 6, as an alternative to the above preferred structural form, the low-beam primary optical element 1 includes at least one low-beam light collection portion 11 and a low-beam light emergence portion 13 in sequence from back to front; the high beam primary optical element 2 comprises at least one high beam condensing part 21, a high beam light-passing part 22 and a high beam light-emitting part 23 in sequence from back to front, and the front edge of the upper surface of the high beam light-passing part 22 is formed into a cut-off line structure 14; the low-beam primary optical element 1 is formed integrally with the upper surface of the high-beam light-passing portion 22.
Similarly, the primary optical element assembly of the present invention forms the cut-off line structure 14 on the upper edge of the high beam light-emitting portion 23, and the light is converged and collimated by the low beam light-emitting portion 11 and then emitted from the low beam light-emitting portion 13, which can be cut off by the cut-off line structure 14 and projected by the secondary optical element to form the low beam illumination light pattern having the low beam cut-off line 5. Meanwhile, the light ray is emitted from the high beam light-emitting portion 23 after passing through the high beam light-passing portion 22, and can be intercepted by the cut-off line structure 14 and projected by the secondary optical element to form a low beam illumination light pattern with a high beam cut-off line, and the high beam cut-off line is overlapped with the low beam cut-off line, so that the low beam illumination light pattern and the high beam illumination light pattern are well connected.
As can be seen from the above description, the primary optical element assembly of the present invention has two main basic structural solutions: first, the low beam primary optical element 1 is provided with a low beam condensing portion 11, a low beam passing portion 12, and a low beam light emitting portion 13 in this order from rear to front, and the high beam primary optical element 2 is provided with a high beam condensing portion 21 and a high beam light emitting portion 23 in this order from rear to front, the low beam primary optical element 1 and the high beam primary optical element 2 being integrally formed, and the high beam primary optical element being provided on the lower surface of the low beam light passing portion 12. Second, the high beam primary optical element 2 is provided with a high beam condensing portion 21, a high beam passing portion 22, and a high beam light exit portion 23 in this order from back to front, while the low beam primary optical element 1 includes a low beam condensing portion 11 and a low beam light exit portion 13 in this order from back to front, the low beam primary optical element 1 and the high beam primary optical element 2 being integrally molded, and the low beam primary optical element 1 being provided on the upper surface of the high beam light exit portion 22. The two structural forms are that the near light primary optical element 1 and the far light primary optical element 2 are connected into a whole, so that the number of parts can be reduced, the structure is compact, the positioning and mounting errors among the original parts can be reduced, and the precision of an optical system of the vehicle lighting device is improved. And simultaneously, the utility model discloses a one of them optical element in low beam primary optical element 1 or the high beam primary optical element 2 saves longer logical light portion, directly forms out light portion at spotlight portion front end, when guaranteeing to realize its corresponding low beam illumination light shape or high beam illumination light shape, can also save material, reduces vehicle lighting device's weight.
It should be noted here that although the low beam primary optical element and the high beam primary optical element 2 are made as a single piece in the present invention, there is no influence on the formed light shape of the vehicle lamp. The lamp light shape in the low beam mode shown in fig. 7 and the lamp light shape in the high beam mode shown in fig. 8 can both satisfy the lamp lighting requirements.
It should be explained here that, according to the definition in GB 4599-. Different countries have different regulations regarding the shape of the low-beam cut-off line 5, and the high-beam cut-off line should ideally coincide with the low-beam cut-off line 5 or be free of the high-beam cut-off line. Here, the light distribution screen refers to a vertical screen provided 25m ahead of the vehicle.
More preferably, the low-beam light condensing portions 11 are plural in number and arranged in the left-right direction, and the high-beam primary optical element condensing portions 21 are plural in number and arranged in the left-right direction.
The utility model discloses a short-distance beam light-concentrating portion 11 and distance beam light-concentrating portion 21 are spotlight cup structure, but the utility model discloses a short-distance beam light-concentrating portion 11 and distance beam light-concentrating portion 21 are not limited to this kind of structure and arrangement only, also can be the spotlight cup structure or other spotlight structures that the matrix was arranged, can also be an independent spotlight cup structure or other spotlight structures, all belong to the utility model discloses a protection scope.
As another preferred structure form, the low beam condensing portion 11 is a condensing cup structure or a convex structure protruding backward, and the high beam condensing portion 21 is a condensing cup structure or a convex structure protruding backward.
Here, the effect of the low beam light focusing portion 11 and the high beam light focusing portion 21 is to converge and collimate the light emitted from the light source, and therefore, the low beam light focusing portion 11 and the high beam light focusing portion 21 can be set to a light focusing cup structure, a convex structure protruding backward, a convex cone structure protruding backward, and other structures according to the functional requirements, and the present invention can be applied to any structure as long as the function of converging and collimating the light is satisfied.
In another preferred structure, the rear end of the light-gathering cup structure is provided with a concave cavity, the bottom of the concave cavity is provided with a protrusion, and the outer contour surface of the light-gathering cup structure is a curved structure with the diameter gradually increasing from the rear end to the front end.
Optionally, the light-gathering cup structure is a solid structure, the light incident surface of the light-gathering cup structure is a plane, a convex curved surface or a concave curved surface, and the external profile surface of the light-gathering cup structure is a curved structure with the diameter gradually increasing from the rear end to the front end.
As can be seen from comparison between fig. 5 and fig. 6, the light-gathering cup structure may be a light-gathering cup structure having a concave cavity, or a light-gathering cup structure having a solid structure, which can satisfy the convergence and collimation effects of light.
It should be noted that, as the low beam condensing portion 11 and the high beam condensing portion 21 shown in fig. 3, 5 and 6, considering the requirement of integral molding or light distribution of the low beam primary optical element 1 and the high beam primary optical element 2, the low beam condensing portion 11 and the high beam condensing portion 21 are not complete condensing cup structures, and the external profile thereof may be changed slightly according to actual conditions without affecting the final light shape effect.
Preferably, a transverse sectional line of the light emitting surface of the low-beam light emitting portion 13 having the cut-off line structure 14 is a curve recessed rearward, and a transverse sectional line of the light emitting surface of the high-beam primary optical element light emitting portion 23 having the cut-off line structure 14 is a curve recessed rearward. That is, the light exit surfaces of the low beam primary optical element 1 having the low beam light-passing portion 12 and the high beam primary optical element 2 having the high beam light-passing portion 22 are curved surfaces that are concave backward to conform to the focal plane of the secondary optical element, so that the vehicle lamp can be imaged clearly.
It should be noted that the transverse sectional line is an intersection line of a virtual plane parallel to the horizontal plane and the light emitting surface of the low-beam primary optical element 1 or the light emitting surface of the high-beam primary optical element 2 after the low-beam primary optical element 1 or the high-beam primary optical element 2 is cut.
In addition, the utility model provides a vehicle lighting device, this vehicle lighting device include short-distance beam light source 3, distance light source 4 and according to any one of above-mentioned technical scheme primary optical element subassembly, short-distance beam light source 3 with the short-distance beam light condensing part 11 one-to-one setting of short-distance beam primary optical element 1, distance light source 4 with the distance light condensing part 21 one-to-one setting of distance beam primary optical element 2.
Specifically, the vehicle lighting device further comprises a low beam circuit board and a high beam circuit board, wherein the low beam light source 3 is arranged on the low beam circuit board, and the high beam light source 4 is arranged on the high beam circuit board.
Optionally, the vehicle lighting device further comprises a circuit board, and the low beam light source 3 and the high beam light source 4 are both arranged on the circuit board.
As can be seen from the above description, the number of the low beam light sources 3 and the high beam light sources 4 is plural, and the low beam light sources 3 and the high beam light sources 4 are required to be mounted on the circuit board, and here, there may be two mounting manners: first, the low beam light source 3 is disposed on a low beam circuit board, and the high beam light source 4 is disposed on a high beam circuit board. In the second method, the near light source 3 and the far light source 4 are both disposed on a circuit board. The specific installation form is selected according to the actual situation.
As can be seen from the above description, the primary optical element module in the vehicle lighting device of the present invention has a smaller volume, and therefore the vehicle lighting device of the present invention is gradually developed to the miniaturization, and the miniaturization of the vehicle lighting device is not only beneficial to the arbitrary arrangement of the vehicle lighting device in the limited space of the lamp body of the vehicle lamp, but also can realize different light-emitting molding surfaces through the arrangement of different forms.
Further, the utility model provides a car light, include according to the vehicle lighting device in above-mentioned technical scheme.
The utility model discloses a can include a plurality of vehicle lighting device in the car light, these vehicle lighting device arrange according to a straight line or curve under the general condition, also can arrange according to the matrix form, require and the molding demand sets up according to actual car light-emitting.
Furthermore, the utility model also provides a vehicle, including above-mentioned technical scheme in the car light.
As can be seen from the above description, the primary optical element assembly of the present invention includes a low-beam primary optical element 1 and a high-beam primary optical element 2 disposed below the low-beam primary optical element 1; the low-beam primary optical element 1 and the high-beam primary optical element 2 are integrally formed, and the low-beam primary optical element 1 and the high-beam primary optical element 2 are suitable for respectively condensing and collimating light rays and then projecting the light rays through the secondary optical element to form a low-beam illumination light shape and a high-beam illumination light shape. The utility model discloses a primary optical element subassembly is through 2 integrated into one piece with the primary optical element of distance beam 1 and the primary optical element of distance beam, under the prerequisite that does not influence distance beam illumination and passing light illumination, can effectively reduce car light optical element's volume, can also improve the installation accuracy simultaneously.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (11)
1. A primary optical element assembly, characterized by a low-beam primary optical element (1) and a high-beam primary optical element (2) arranged below the low-beam primary optical element (1); the low-beam primary optical element (1) and the high-beam primary optical element (2) are formed in one piece.
2. The primary optical element assembly according to claim 1, characterized in that the low-beam primary optical element (1) comprises at least one low-beam light condensing portion (11), a low-beam light passing portion (12) and a low-beam light exiting portion (13) in this order from rear to front, the front edge of the lower surface of the low-beam light passing portion (12) being formed as a cut-off line structure (14); the high-beam primary optical element (2) sequentially comprises at least one high-beam light-condensing part (21) and a high-beam light-emitting part (23) from back to front; the high beam primary optical element (2) is formed integrally with the lower surface of the low beam light-passing portion (12); or
The low-beam primary optical element (1) sequentially comprises at least one low-beam light condensing part (11) and a low-beam light emergent part (13) from back to front; the high-beam primary optical element (2) sequentially comprises at least one high-beam light condensing part (21), a high-beam light transmitting part (22) and a high-beam light emitting part (23) from back to front, and the front edge of the upper surface of the high-beam light transmitting part (22) is formed into a cut-off line structure (14); the low-beam primary optical element (1) is formed integrally with the upper surface of the high-beam light-passing portion (22).
3. The primary optical element assembly according to claim 2, wherein the low-beam condensing portion (11) is plural in number and arranged in the left-right direction, and the high-beam condensing portion (21) is plural in number and arranged in the left-right direction.
4. The primary optical element assembly of claim 2, wherein the low-beam light concentrating portion (11) is a light concentrating cup structure or a rearwardly projecting convex structure, and the high-beam light concentrating portion (21) is a light concentrating cup structure or a rearwardly projecting convex structure.
5. The primary optical element assembly of claim 4, wherein the rear end of the light-gathering cup structure is provided with a concave cavity, the bottom of the concave cavity is provided with a protrusion, and the outer contour surface of the light-gathering cup structure is a curved structure with the diameter gradually increasing from the rear end to the front end; or
The light-gathering cup structure is of a solid structure, the light incident surface of the light-gathering cup structure is a plane, an outer convex curved surface or an inner concave curved surface, and the outer contour surface of the light-gathering cup structure is a curved surface-shaped structure with the diameter gradually increasing from the rear end to the front end.
6. The primary optical element assembly according to claim 2, characterized in that a transverse sectional line of the light exit surface of the low-beam light exit portion (13) with the cut-off line structure (14) is a curve which is concave rearward.
7. The primary optical element assembly according to claim 2, wherein a transverse sectional line of the light exit surface of the high-beam light exit portion (23) having the cut-off line structure (14) is a curve that is concave rearward.
8. A vehicle lighting device, characterized by comprising a low-beam light source (3), a high-beam light source (4) and the primary optical element assembly according to any one of claims 1 to 7, the low-beam light source (3) and the low-beam light condensing portion (11) of the low-beam primary optical element (1) being arranged in one-to-one correspondence, and the high-beam light source (4) and the high-beam light condensing portion (21) of the high-beam primary optical element (2) being arranged in one-to-one correspondence.
9. The vehicular illumination device according to claim 8, further comprising a low-beam circuit board on which the low-beam light source (3) is provided and a high-beam circuit board on which the high-beam light source (4) is provided; or
Still include the circuit board, low beam light source (3) with distance beam light source (4) all locate on the circuit board.
10. A vehicle lamp characterized by comprising the vehicle lighting device according to claim 8 or 9.
11. A vehicle characterized by comprising a lamp according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281768.1U CN212132312U (en) | 2020-03-09 | 2020-03-09 | Primary optical element assembly, vehicle lighting device, vehicle lamp and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281768.1U CN212132312U (en) | 2020-03-09 | 2020-03-09 | Primary optical element assembly, vehicle lighting device, vehicle lamp and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212132312U true CN212132312U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020281768.1U Active CN212132312U (en) | 2020-03-09 | 2020-03-09 | Primary optical element assembly, vehicle lighting device, vehicle lamp and vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN212132312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4265959A1 (en) * | 2020-12-15 | 2023-10-25 | Koito Manufacturing Co., Ltd. | Lamp unit |
-
2020
- 2020-03-09 CN CN202020281768.1U patent/CN212132312U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4265959A1 (en) * | 2020-12-15 | 2023-10-25 | Koito Manufacturing Co., Ltd. | Lamp unit |
| US20240019094A1 (en) * | 2020-12-15 | 2024-01-18 | Koito Manufacturing Co., Ltd. | Lamp unit |
| EP4265959A4 (en) * | 2020-12-15 | 2024-05-15 | Koito Manufacturing Co., Ltd. | Lamp unit |
| US12013093B2 (en) * | 2020-12-15 | 2024-06-18 | Koito Manufacturing Co., Ltd. | Lamp unit |
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