Function multiplexing optical structure and vehicle lamp
By employing a dual-focal design of thick-walled components and optical elements in the vehicle headlights, and utilizing multiple refractions and total reflections, the problem of low efficiency in existing vehicle headlight optical structures is solved. This achieves efficient light output and uniform illumination from a multifunctional optical structure, reduces the number of LEDs used, and saves costs.
Patent Information
- Application Number
- CN202422690949.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing automotive lamp optical structures suffer from low system efficiency when achieving multi-functional sharing, especially due to the shared collimation structure causing functional defocusing.
The optical structure, composed of thick-walled components and optical elements, including a light guide surface, a refractive surface, and a total reflection surface, is designed as a dual-focal structure. It achieves uniform light emission through multiple refractions and total reflections, and utilizes multiple dimming units and LED light colors to create a multiplexing effect.
It achieves efficient light output through a multifunctional optical structure, reduces the number of LEDs used, saves costs, and ensures uniform light output and fine lighting effects.
Smart Images
Figure CN223524999U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to car light illumination technical field especially a function multiplexing optical structure and car light. BACKGROUND
[0002] With the rapid development of car light technology, the user's lamp modeling pursuit gradually diversifies, and the aesthetic degree is also an important consideration factor, and the lighting appearance effect of function multiplexing and multiple light outlets is also the mainstream form in the current car light technology field. On the traditional optical structure, light is emitted from the LED, passes through a series of action devices and then is emitted from the light emitting surface, in order to realize the lighting effect of multifunctional common light outlet, the existing multiplexing scheme usually shares a collimation structure, however, this will have a function defocus, which will cause the system efficiency of the optical structure to be not high. SUMMARY
[0003] The utility model wants to solve the technical problem: in order to solve the problem of prior art in the above background art, provide a kind of function multiplexing optical structure.
[0004] The utility model solves the technical problem and adopts a kind of technical scheme: a kind of function multiplexing optical structure, including thick wall piece, the top edge of thick wall piece is light inlet end, and the side of thick wall piece close to light inlet end is light guide surface, and the other side surface is first light emitting surface, the light inlet end includes two kinds of LED light color and multiple groups of light adjusting unit, and the light adjusting unit corresponding two kinds of LED light color is adjacent, to form bifocal structure, and each group of light adjusting unit includes the refracting surface one, refracting surface two, refracting surface three and total reflection surface that are sequentially arranged.
[0005] Further, the refracting surface one, refracting surface two, refracting surface three and total reflection surface are provided with patterns or skin patterns.
[0006] Another technical scheme that the utility model solves its technical problem adopts: a kind of function multiplexing optical structure, including first optical piece, second optical piece and the mounting bracket of supporting both, the mounting bracket is set on the two end surfaces of first optical piece and second optical piece, and there is gap between the first optical piece and second optical piece, and the top edge of first optical piece is light inlet end, and the light inlet end is bifocal structure, and the side of first optical piece close to light inlet end is light guide surface, and the other side surface is first refracting surface, the side surface of second optical piece towards first refracting surface is second refracting surface, and the side surface of second optical piece away from second refracting surface is light emitting surface.
[0007] Further, the outer profile line of the first refracting surface is a curve.
[0008] More further, the outer profile line of the second refracting surface is also a curve.
[0009] Further, the first and second refractive surfaces have coinciding focal points.
[0010] Further, the first and second refractive surfaces are provided with patterns or skin patterns.
[0011] Further, the longitudinal section of the light guide surface is a parabolic surface, and the parabolic surface is provided with a V-shaped surface formed by two total reflection surfaces.
[0012] Further, the two end surfaces of the first and second optical components are provided with horizontal stripes, and the light exit surface is provided with corn kernel patterns.
[0013] Also mentioned is a car lamp comprising the function-multiplexing optical structure described in the above solutions.
[0014] The utility model discloses the beneficial effect: the utility model discloses two kinds of LED light color all from the light end incidence to thick wall spare, and the light end is bifocal structure, and after the light adjusting unit multiple refraction or total reflection, hits the light guide surface, and after the light guide surface at least two times total reflection, enters thick wall spare in, and the light adjusting unit is provided with the light adjusting unit, and the light adjusting unit is provided with the light adjusting unit.
[0015] Or, after the first refractive surface, the second refractive surface is refracted into the air, and then the second refractive surface is refracted into the second optical component, and finally the light exit surface is emitted; The light is uniform and the light efficiency is high, a light exit port is shared by multiple functions, LED is saved, and the cost is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model will be further described below in combination with the drawings and examples.
[0017] Figure 1 It is a structural schematic diagram of the utility model embodiment one.
[0018] Figure 2 It is Figure 1 It is a structural schematic diagram in another direction.
[0019] Figure 3 It is Figure 2 It is an enlarged structural schematic diagram of the light adjusting unit.
[0020] Figure 4 It is a structural schematic diagram of the utility model embodiment two.
[0021] Figure 5 It is Figure 4 It is a structural schematic diagram in A direction.
[0022] Figure 6 It is Figure 4 It is a structural schematic diagram in B direction.
[0023] Figure 7 It is Figure 4 It is a left view.
[0024] Figure 8 is Figure 4 a top view.
[0025] Figure 9 is Figure 8 an enlarged structural schematic view of the light adjusting unit in
[0026] Figure 10 is Figure 4 a right view of
[0027] Figure 11 is Figure 4 a side view of
[0028] In the figure: 100, thick-walled part; 1, first optical part; 11, light inlet end; 111, light adjusting unit; 1111, first refractive surface; 1112, second refractive surface; 1113, third refractive surface; 1114, total reflection surface; 12, light guide surface; 121, V surface; 13, first refractive surface; 13', first light outlet surface; 2, second optical part; 21, second refractive surface; 22, light outlet surface; 3, mounting frame. DETAILED DESCRIPTION
[0029] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic views, and only schematically illustrate the basic structure of the utility model, so they only show the structure related to the utility model.
[0030] Example one
[0031] As shown in Figures 1-3 , a function multiplexing optical structure includes a thick-walled part 100, the top edge of the thick-walled part 100 is a light inlet end 11, one side of the thick-walled part 100 close to the light inlet end 11 is a light guide surface 12, and the other side is a first light outlet surface 13'. The light inlet end 11 includes two kinds of LED light colors and multiple light adjusting units 111. Adjacent light adjusting units 111 correspond to two kinds of LED light colors to form a bifocal structure. Each light adjusting unit 111 includes a first refractive surface 1111, a second refractive surface 1112, a third refractive surface 1113, and a total reflection surface 1114 arranged in sequence. That is, the first refractive surface 1111, the second refractive surface 1112, the third refractive surface 1113, and the total reflection surface 1114 correspond to one kind of LED light color, and the four surfaces of the light adjusting unit 111 correspond to another kind of LED light color. Therefore, the light inlet end 11 corresponds to two focal points. Preferably, the first refractive surface 1111, the second refractive surface 1112, the third refractive surface 1113, and the total reflection surface 1114 are provided with patterns or skin textures.
[0032] Specific working principle: a part of LED light color light is refracted through the first refractive surface 1111, the second refractive surface 1112, and then collimated into the thick wall part 100; another part of the light is refracted through the third refractive surface 1113, and then refracted to the total reflection surface 1114, and then collimated into the thick wall part 100 after total reflection; the two parts of light are then emitted from the first light emitting surface 13' after twice total reflection on the V surface 121 of the light guide surface 12; another kind of LED light color light path is the same.
[0033] Embodiment two
[0034] As Figures 4-11 shown, a function multiplexing optical structure includes a first optical part 1, a second optical part 2, and a mounting frame 3 supporting the two, the mounting frame 3 is arranged on the two end faces of the first optical part 1 and the second optical part 2, and there is a gap (i.e. air) between the first optical part 1 and the second optical part 2, the top edge of the first optical part 1 is the light inlet end 11, the light inlet end 11 is a bifocal structure, the side of the first optical part 1 close to the light inlet end 11 is the light guide surface 12, and the other side is the first refractive surface 13, the side of the second optical part 2 facing the first refractive surface 13 is the second refractive surface 21, and the side of the second optical part 2 away from the second refractive surface 21 is the light emitting surface 22.
[0035] Among them, the light inlet end 11 includes two kinds of LED light colors and multiple groups of light adjusting units 111, adjacent light adjusting units 111 correspond to two kinds of LED light colors to form a bifocal structure. The bifocal structure can provide more precise and directional lighting effects, enhancing visual effects and functionality. Each group of light adjusting units 111 includes refractive surface one 1111, refractive surface two 1112, refractive surface three 1113, and total reflection surface 1114 arranged in sequence. That is, the refractive surface one 1111, the refractive surface two 1112, the refractive surface three 1113, and the total reflection surface 1114 correspond to one LED light color, and the four surfaces of the light adjusting unit 111 correspond to another LED light color, so the light inlet end 11 corresponds to two focal points. Preferably, the refractive surface one 1111, the refractive surface two 1112, the refractive surface three 1113, and the total reflection surface 1114 are provided with patterns or skin patterns.
[0036] To increase diffusion and improve uniformity, the outer contour line of the first refractive surface 13 is a curve. The outer contour line of the second refractive surface 21 is also a curve, and the two focal points on the two refractive surfaces coincide. In fact, the two focal points can also be designed not to coincide, and the focal point and focal length position can also be adjusted according to requirements. As a preferred, the first refractive surface 13 and the second refractive surface 21 are provided with patterns or skin patterns.
[0037] The longitudinal section of the light guide surface 12 is a parabolic surface, and the parabolic surface is provided with a V surface 121 formed by two total reflection surfaces. In this way, the light is totally reflected on the V surface 121, and the left and right direction energy can be exchanged.
[0038] In addition, the two end faces of the first optical member 1 and the second optical member 2 are provided with horizontal stripes, which can be vertical stripes or other forms. The light exit face 22 is provided with corn grain patterns, which can be skin patterns or other patterns according to requirements. The connecting frame 3 does not limit the structure of the embodiment.
[0039] Specific working principle: part of the light of one LED light color is collimated into the first optical member 1 after being refracted by the first refracting face 1111 and the second refracting face 1112; another part of the light is collimated into the first optical member 1 after being refracted by the third refracting face 1113 and then being totally reflected by the total reflection face 1114; the two parts of light are then totally reflected twice by the V face 121 of the light guide face 12, and then are refracted by the first refracting face 13 to the gap (i.e. air) between the first optical member 1 and the second optical member 2, and then are refracted by the second refracting face 21 into the first optical member 1, and then are emitted from the light exit face 22 of the first optical member 1; the light path of another LED light color is the same. The proportion relationship, actual length, width and angle, etc. can be adjusted according to requirements and lighting effects.
[0040] The function multiplexing optical structure is suitable for vehicle lamps, so a vehicle lamp can be provided, which comprises the function multiplexing optical structure of the embodiment, emits light after multiple refraction and total reflection in the optical structure, and each function is not defocused, while the uniform and efficient light emission is ensured.
[0041] Based on the above ideal embodiments of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents in the specification, and must be determined according to the scope of claims.
Claims
1. A functionally multiplexed optical structure, characterized by: The application relates to a thick-wall piece (100), the top edge of which is an light-inlet end (11), one side of the thick-wall piece (100) near the light-inlet end (11) is a light guide surface (12), and the other side is a first light-outlet surface (13'); the light-inlet end (11) comprises two LED light colors and multiple groups of light adjusting units (111), adjacent light adjusting units (111) correspond to two LED light colors to form a bifocal structure, and each group of light adjusting units (111) comprises a refractive surface one (1111), a refractive surface two (1112), a refractive surface three (1113) and a total reflection surface (1114) arranged in sequence.
2. The functionally multiplexed optical structure of claim 1, wherein: The refractive surface one (1111), the refractive surface two (1112), the refractive surface three (1113) and the total reflection surface (1114) are provided with patterns or skin patterns.
3. A functionally multiplexed optical structure, characterized by: The application relates to a functional multiplexing optical structure, which comprises a first optical piece (1), a second optical piece (2) and a mounting rack (3) supporting the two pieces, the mounting rack (3) is arranged on the two end surfaces of the first optical piece (1) and the second optical piece (2), and a gap exists between the first optical piece (1) and the second optical piece (2); the top edge of the first optical piece (1) is a light-inlet end (11), the light-inlet end (11) is a bifocal structure, one side of the first optical piece (1) near the light-inlet end (11) is a light guide surface (12), and the other side is a first refractive surface (13); one side of the second optical piece (2) facing the first refractive surface (13) is a second refractive surface (21), and the other side of the second optical piece (2) away from the second refractive surface (21) is a light-outlet surface (22).
4. The functionally multiplexed optical structure of claim 3, wherein: The outer contour line of the first refractive surface (13) is a curve.
5. The functionally multiplexed optical structure of claim 4, wherein: The outer contour line of the second refractive surface (21) is also a curve.
6. The functionally multiplexed optical structure of claim 5, wherein: The focal points of the first refractive surface (13) and the second refractive surface (21) coincide.
7. The functionally multiplexed optical structure of claim 5, wherein: The first refractive surface (13) and the second refractive surface (21) are provided with patterns or skin patterns.
8. The functionally multiplexed optical structure of claim 3, wherein: The longitudinal section of the light guide surface (12) is a parabolic surface, and the parabolic surface is provided with a V-shaped surface (121) formed by two total reflection surfaces.
9. The functionally multiplexed optical structure of claim 3, wherein: The two end surfaces of the first optical piece (1) and the second optical piece (2) are provided with horizontal stripes, and the light-outlet surface (22) is provided with a corn kernel pattern.
10. A vehicle light, characterized by: The application relates to a functional multiplexing optical structure, which comprises a first optical piece (1), a second optical piece (2) and a mounting rack (3) supporting the two pieces, the mounting rack (3) is arranged on the two end surfaces of the first optical piece (1) and the second optical piece (2), and a gap exists between the first optical piece (1) and the second optical piece (2); the top edge of the first optical piece (1) is a light-inlet end (11), the light-inlet end (11) is a bifocal structure, one side of the first optical piece (1) near the light-inlet end (11) is a light guide surface (12), and the other side is a first refractive surface (13); one side of the second optical piece (2) facing the first refractive surface (13) is a second refractive surface (21), and the other side of the second optical piece (2) away from the second refractive surface (21) is a light-outlet surface (22).