CN117072906A - Automobile signal lamp optical system for realizing large-angle uniform lighting - Google Patents
Automobile signal lamp optical system for realizing large-angle uniform lighting Download PDFInfo
- Publication number
- CN117072906A CN117072906A CN202310882696.4A CN202310882696A CN117072906A CN 117072906 A CN117072906 A CN 117072906A CN 202310882696 A CN202310882696 A CN 202310882696A CN 117072906 A CN117072906 A CN 117072906A
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- China
- Prior art keywords
- light guide
- light
- uniform lighting
- vertical
- guide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 17
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/27—Attachment thereof
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The application relates to the technical field of car lamps, and provides an automobile signal lamp optical system for realizing large-angle uniform lighting, which comprises an LED light source, a horizontal light guide, a vertical light guide, a light guide support for supporting the horizontal light guide and the vertical light guide, and a shielding structure circumferentially arranged along the propagation direction of a light path, wherein the side surface of the vertical light guide is provided with a light guide plate for realizing the effect of uniform lighting of the outer side of a modeling vertical area at a large angle, and when the light path direction of the LED light source is observed from the outside to the inside of the lamp body, part or all of the vertical light guide is shielded by the shielding structure while the light guide plate is not shielded by the shielding structure. According to the application, the large wing structure is designed on the side surface of the vertical area of the light guide, and the microstructure is arranged on the large wing structure, so that a small amount of light is guided to the large-angle direction, the uniform lighting effect of the horizontal area and the vertical area with large angles on the outer side is realized, and the uniform lighting of the large angles of the light guide is realized.
Description
Technical Field
The application relates to the technical field of car lamps, in particular to an optical system of an automobile signal lamp for realizing large-angle uniform lighting.
Background
With the development of car lamps, the requirements of customers on the lighting uniformity of car signal lamps are higher and higher, and the requirements of customers on the lighting uniformity of the car driving direction are only required in the past, and the requirements of the lighting uniformity of large angles, such as large observation angles of H-60V0, H-45V40 and the like, are also provided. The light guide system is a common scheme, the optical principle is to transmit light by utilizing total reflection of the light guide, and the light guide can be observed to emit light, so that the light guide system is low in cost, good in forward lighting uniformity and very popular with customers.
Many customers' lamp models are made up of two parts, a horizontal area and a vertical area, when viewed from a large angle from the outside, the light guide in the horizontal area can be observed, while the light guide in the vertical area is already blocked by surrounding structures, which creates a problem: the horizontal area is still lighted from the outside large angle, while the vertical area is dark, and aiming at the problem that the lighting effect of the horizontal area and the vertical area is inconsistent, how to improve the lighting effect of the horizontal area and the vertical area is particularly important without increasing the design cost.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide an automobile signal lamp optical system for realizing large-angle uniform lighting.
The application provides an automobile signal lamp optical system for realizing large-angle uniform lighting, which comprises an LED light source, a horizontal light guide, a vertical light guide, a light guide bracket for supporting the horizontal light guide and the vertical light guide, and a shielding structure circumferentially arranged along the propagation direction of an optical path, wherein the horizontal light guide and the vertical light guide are arranged in front of the LED light source;
the side surface of the vertical light guide is provided with a light guide plate for realizing the uniform lighting effect of the outer side of the modeling vertical area at a large angle, and the light guide bracket is white;
when the LED light source is observed from the outside to the inside of the lamp body along the light path direction of the LED light source, part or all of the vertical light guide is shielded by the shielding structure, and the light guide plate is not shielded by the shielding structure.
Preferably, the LED light source can be set to white, yellow or a combination of white and yellow.
Preferably, the light guide plate is provided with a microstructure pattern.
Preferably, the corners of the horizontal light guide and the vertical light guide are provided with light guide corner patterns.
Preferably, the tail end of the vertical light guide is provided with a light guide tail end spherical structure and a light guide plate saw tooth structure.
Preferably, the spherical structure of the tail end of the light guide and the saw tooth structure of the light guide plate are provided with dermatoglyph.
Preferably, after the light rays are emitted from the vertical light guide, the light rays are diffused by the inner surface of the inner lens to complete first light distribution, and then pass through the outer surface of the inner lens to complete second light distribution.
Preferably, the inner surface of the inner lens is provided with light distribution patterns, and the outer surface of the inner lens is provided with dermatoglyph.
Preferably, part of the light rays emitted by the vertical light guide enter the light guide plate through the light guide plate, the light guide connecting part and the light guide plate total reflection surface on the light guide plate, and the light rays are reflected by the micro-structure optical patterns at the bottom of the light guide plate, so that the large-angle uniform lighting is realized.
Preferably, the thickness of the light guide plate and the light guide connection part is 1-2 mm, and the total reflection surface of the light guide plate is a 45-degree surface.
Compared with the prior art, the application has the following beneficial effects:
1. according to the application, the large wing structure is designed on the side surface of the vertical area of the light guide, and the microstructure is arranged on the large wing structure, so that a small amount of light is guided to the large-angle direction, the uniform lighting effect of the horizontal area and the vertical area with large angles on the outer side is realized, and the uniform lighting of the large angles of the light guide is realized.
2. The application designs the light distribution pattern on the inner side of the inner lens and designs the dermatoglyph on the outer side of the inner lens, thereby realizing the uniform lighting of a wider opening shape, and the distance between the inner lens and the light guide is about 20mm, thereby avoiding the generation of mole stripes.
3. The light guide of the application is arranged from front to back to be thick to thin, improves the lighting uniformity of the tail part of the light guide,
4. the light guide part with overlapped patterns in the horizontal area and the vertical area of the light guide is provided with the patterns, so that the effect of removing corner bright spots is realized.
5. The light guide end is provided with the pattern drawing angle, so that the light condensing function of the light guide is improved, and higher system efficiency is realized.
6. The application sets the bracket to be white, thereby realizing the effect of improving the lighting and non-lighting car lights.
7. The tail part of the light guide is spherical, and meanwhile, the leather veins are arranged on the sphere, so that the effect of improving the bright spots at the tail part is realized.
8. The tail end of the bracket is arranged in a saw-tooth shape, and meanwhile, the leather veins are arranged on the saw teeth, so that the effect of improving the bright spots at the tail part is realized.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the front of the structure of the present application;
FIG. 2 is a large angle 45 side view of a conventional design;
FIG. 3 is a side view of a modified version at a large angle of 45;
FIG. 4 is a schematic view of a light guide of the present application;
FIG. 5 is a schematic cross-sectional view of FIG. 1 along the direction A-A;
FIG. 6 is a schematic view of the cross-sectional structure along the direction B-B in FIG. 1;
FIG. 7 is a schematic structural view of a microstructured optical pattern.
The figure shows:
1-horizontal region
11-inner lens outer surface
12-inner lens inner surface
2-vertical region
3-shielding structure
4-horizontal light guide
41-photoconductive corner pattern
5-light guide support
6-vertical light guide
7-LED light source
61-light guide plate
62-light guide plate saw tooth structure
63-light guide tail end spherical structure
64-light guide plate bottom microstructure optical pattern
65-light guide plate total reflection surface
66-light guide plate and light guide connection part
71-forward direction emergent light
72-side exit light
Detailed Description
The present application will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present application, but are not intended to limit the application in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present application.
The application provides an automobile signal lamp optical system for realizing large-angle uniform lighting, which is shown in figures 1-7, and comprises an LED light source 7, a horizontal light guide 4, a vertical light guide 6, a light guide bracket 5 for supporting the horizontal light guide 4 and the vertical light guide 6 and a shielding structure 3 circumferentially arranged along the light path propagation direction, wherein the LED light source 7 can be set to be white, yellow or a white-yellow combined color according to actual application scenes so as to achieve actual lighting effect.
As shown in fig. 2, for the conventional design, the vertical light guide 6 is completely covered by the shielding structure 3 when viewed from the outside, so that only the light guide support 5 is visible, and the horizontal light guide 4 is completely visible, and the light is much, the overall lighting of the outside is that the horizontal area 1 is bright, and the vertical area 2 is dark.
As shown in fig. 3, the side surface of the vertical light guide 6 is provided with a light guide plate 61 for realizing the uniform lighting effect of the outside large angle of the vertical area 2, and the vertical light guide 6 is completely shielded by the shielding structure 3 when viewed from the outside large angle, but the light guide plate 61 can be observed, the light guide plate 61 is provided with a microstructure pattern 64, as shown in fig. 7, the light rays can be reflected by the microstructure pattern 64 on the light guide plate 61, the overall effect of the outside observation is consistent, and the brightness effect of the horizontal area 1 and the vertical area 2 is consistent. In practical application, when the LED light source 7 is observed from the outside to the inside of the lamp body along the light path direction of the LED light source 7, part or all of the vertical light guide 6 is blocked by the blocking structure 3, and the light guide plate 61 is not blocked by the blocking structure 3. Wherein the light guide holder 5 is set to be white for achieving a more plump appearance effect.
As shown in fig. 4, in order to improve corner bright spots, light guide corner patterns 41 are provided at the corners of the horizontal light guide 4 and the vertical light guide 6, and an effect of removing corner bright spots is achieved. To further improve the bright spots, the end of the vertical light guide 6 is provided with a light guide tail end spherical structure 63 and a light guide plate saw tooth structure 62 for diffusing light and removing bright spots, and in a preferred embodiment, the light guide tail end spherical structure 63 and the light guide plate saw tooth structure 62 are provided with dermatoglyph.
As shown in fig. 5, which is a sectional view along A-A in fig. 1 and is a light path diagram of the horizontal area 1, after light is emitted from the vertical light guide 6, the light is firstly diffused by the inner surface 12 of the inner lens to complete first light distribution, then passes through the outer surface 11 of the inner lens to complete second light distribution, and forms square emergent light 71 together through the two light distribution, wherein the inner surface 12 of the inner lens is preferably provided with light distribution patterns, and the outer surface 11 of the inner lens is preferably provided with dermatoglyph.
As shown in fig. 6, which is a sectional view along the direction B-B in fig. 1, and is a light path diagram of the molding vertical region 2, a part of light rays emitted from the vertical light guide 6 enter the light guide 61 through the light guide plate and the light guide connection portion 66 and the light guide plate total reflection surface 65 provided on the light guide plate 61 to form side emitted light 72, and the side emitted light is reflected by the light guide plate bottom microstructure optical pattern 64 to achieve uniform lighting at a large angle, wherein the thickness of the light guide plate and the light guide connection portion 66 is 1-2 mm, and if too wide, excessive light rays are lost, and the light guide plate total reflection surface 65 is preferably a 45 ° surface.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The foregoing describes specific embodiments of the present application. It is to be understood that the application is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the application. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. An automobile signal lamp optical system for realizing large-angle uniform lighting is characterized by comprising an LED light source (7), a horizontal light guide (4) arranged in front of the LED light source (7), a vertical light guide (6), a light guide bracket (5) for supporting the horizontal light guide (4) and the vertical light guide (6), and a shielding structure (3) circumferentially arranged along the light path propagation direction;
the side surface of the vertical light guide (6) is provided with a light guide plate (61) for realizing the uniform lighting effect of the outer side of the modeling vertical area (2) at a large angle, and the light guide bracket (5) is set to be white;
when the LED light source (7) is observed from the outside to the inside of the lamp body along the light path direction of the LED light source, the vertical light guide (6) is partially or completely shielded by the shielding structure (3), and the light guide plate (61) is not shielded by the shielding structure (3).
2. The automotive signal lamp optical system for achieving a uniform lighting at a large angle according to claim 1, characterized in that the LED light source (7) can be set to white, yellow or a combination of white and yellow.
3. The automotive signal lamp optical system for achieving uniform lighting at a large angle according to claim 1, wherein the light guide plate (61) is provided with a microstructure pattern (64).
4. The automotive signal lamp optical system for achieving a uniform lighting at a large angle according to claim 1, characterized in that the corners of the horizontal light guide (4) and the vertical light guide (6) are provided with light guide corner patterns (41).
5. The automotive signal lamp optical system for achieving a uniform lighting at a large angle according to claim 1, characterized in that the end of the vertical light guide (6) is provided with a light guide tail end spherical structure (63) and a light guide plate saw tooth structure (62).
6. The automotive signal lamp optical system for achieving uniform lighting at a large angle according to claim 5, wherein dermatoglyph is provided on both the light guide tail end spherical structure (63) and the light guide plate saw tooth structure (62).
7. The optical system for the automotive signal lamp capable of achieving large-angle uniform lighting according to claim 1, wherein after the light rays are emitted from the vertical light guide (6), the light rays are diffused by the inner surface (12) of the inner lens to achieve first light distribution, and then pass through the outer surface (11) of the inner lens to achieve second light distribution.
8. The automotive signal lamp optical system for realizing uniform lighting at a large angle according to claim 7, wherein light distribution patterns are provided on the inner surface (12) of the inner lens, and dermatoglyph is provided on the outer surface (11) of the inner lens.
9. The automotive signal lamp optical system for realizing the uniform lighting at a large angle according to claim 7, wherein a part of the light rays after exiting from the vertical light guide (6) enters the light guide plate (61) through a light guide plate and a light guide connection part (66) provided on the light guide plate (61) and a light guide plate total reflection surface (65), and is reflected by the light guide plate bottom microstructure optical pattern (64), thereby realizing the uniform lighting at a large angle.
10. The automotive signal lamp optical system for achieving uniform lighting at a large angle according to claim 9, wherein the thickness of the light guide plate and the light guide connection portion (66) is 1 to 2 mm, and the light guide plate total reflection surface (65) is a 45 ° surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310882696.4A CN117072906A (en) | 2023-07-18 | 2023-07-18 | Automobile signal lamp optical system for realizing large-angle uniform lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310882696.4A CN117072906A (en) | 2023-07-18 | 2023-07-18 | Automobile signal lamp optical system for realizing large-angle uniform lighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117072906A true CN117072906A (en) | 2023-11-17 |
Family
ID=88710505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310882696.4A Pending CN117072906A (en) | 2023-07-18 | 2023-07-18 | Automobile signal lamp optical system for realizing large-angle uniform lighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117072906A (en) |
-
2023
- 2023-07-18 CN CN202310882696.4A patent/CN117072906A/en active Pending
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