Automobile lamp with mini LED arranged in transparent flexible substrate and automobile

By using a transparent flexible substrate built-in miniLED and flexible circuit board in automotive lamps, the complexity of optical structure and functional superposition problems in the existing technology are solved, simplified assembly, multi-modeling and high-precision display are achieved, and rich animation and interactive functions are provided.

CN223178665UActive Publication Date: 2025-08-01MAGNETI MARELLI AUTOMOTIVE COMPONENTS WUHU
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Patent Information

Application Number
CN202422338858.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-08-01
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The optical structure design of existing automotive lamps is complex and cannot meet the needs of multiple shapes. In addition, when achieving animation effects, common lamps are difficult to produce in large quantities, have high prices, and have low display accuracy. The optical structure occupies a large space, so functional superposition and multiplexing cannot be achieved.

Method used

The transparent flexible substrate is built-in miniLED, and multiple miniLED light emitting modules are connected through the flexible circuit board to realize light source switching and dynamic pattern display in different colors. Combined with components such as brackets, masks, and shells, the optical structure is simplified and multi-piece superposition and functional superposition are supported.

Benefits of technology

It realizes simple assembly, price advantage and high display accuracy, supports multiple styling and dynamic display, provides more entertainment and interaction functions, and the optical system can be superimposed on animations or patterns to meet the diverse needs of automotive lamps.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automobile lamp with a mini LED arranged in a transparent flexible substrate and an automobile. The automobile lamp comprises a light-emitting unit body and a control panel. The light-emitting unit body comprises a transparent flexible substrate, and a plurality of mini LED light-emitting modules are arranged in the transparent flexible substrate; a first flexible circuit board and a second flexible circuit board which are in point connection with the mini LED light-emitting module are arranged on the transparent flexible substrate; the first flexible circuit board and the second flexible circuit board are electrically connected with the control board, and the mini LED light-emitting module can light different colors of light through the first flexible circuit board and the second flexible circuit board respectively. According to the utility model, a plurality of light-emitting units can be overlapped and arranged, and the switching of light colors with different functions, the display of patterns and animations and the overlapping and multiplexing with other functions are realized through circuit control.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamps, and in particular to an automobile lamp and an automobile with a mini LED built in a transparent flexible substrate. Background Art

[0002] Common lamps utilize LED chips mounted on PCBs, achieving optical functionality through reflectors, internal lenses, and thick walls. These components are complex to design and assemble, resulting in a single, monolithic design that fails to meet the diverse styling needs of current automotive lighting. To achieve this, common lamps employ various animation technologies, such as mini-LED / OLED, but these technologies present challenges in mass production and are expensive. Alternatively, conventional monochrome LEDs suffer from low display accuracy. Furthermore, the optical structures of these other common lamps occupy a large space and require plastic components to block stray light, making it impossible to achieve functional integration and multiple styling options. Utility Model Content

[0003] In view of the defects in the prior art, the purpose of the present utility model is to provide an automobile lamp and an automobile using a transparent flexible substrate with built-in miniLED.

[0004] According to the utility model, a car lamp with a miniLED built in a transparent flexible substrate is provided, comprising: a light-emitting unit body and a control board;

[0005] The light-emitting unit body includes a transparent flexible substrate, in which a plurality of miniLED light-emitting modules are arranged; a first flexible circuit board and a second flexible circuit board connected to the miniLED light-emitting modules are provided on the transparent flexible substrate;

[0006] The first flexible circuit board and the second flexible circuit board are electrically connected to the control board, and the miniLED light-emitting module can light up lights of different colors respectively through the first flexible circuit board and the second flexible circuit board.

[0007] Preferably, the automobile lamp further comprises a bracket;

[0008] The light emitting unit bodies are provided in plurality, and the plurality of light emitting unit bodies are mounted on the bracket in a stacked manner.

[0009] Preferably, the plurality of light emitting unit bodies are mounted on the bracket by snap-fitting.

[0010] Preferably, the automotive lamp further comprises a mask and a housing;

[0011] The bracket is arranged in the shell, and the mask is arranged on the shell; the light emitted by the miniLED light-emitting module is emitted through the mask.

[0012] Preferably, the automobile lamp further comprises a decorative ring, and the bracket is installed in the housing through the decorative ring.

[0013] Preferably, an optical module is provided on a side of the transparent flexible substrate away from the mask;

[0014] When the miniLED light-emitting module is not lit, the light emitted by the optical module can pass through the transparent flexible substrate and exit from the mask.

[0015] Preferably, the optical module comprises a light source and an optical component, and the light emitted by the light source is adjusted by the optical component and reaches the transparent flexible substrate;

[0016] The optical component is any one of the following: a light guide bar, a transparent thick-walled optical component, and a reflector.

[0017] Preferably, when the control board provides a positive voltage through the first flexible circuit board and a negative voltage through the second flexible circuit board, the miniLED of the first color in the miniLED light-emitting module is lit to emit light of the first color;

[0018] When the control board provides a positive voltage through the second flexible circuit board and a negative voltage through the first flexible circuit board, the miniLED of the second color in the miniLED light-emitting module is lit to emit light of the second color.

[0019] Preferably, the first flexible circuit board and the second flexible circuit board are respectively connected to the miniLED of the first color and the miniLED of the second color through wires in the miniLED light emitting module.

[0020] The utility model also provides an automobile, comprising the above-mentioned automobile lamp with built-in miniLED using a transparent flexible substrate.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. This utility model is used as a light-emitting unit, which does not require the design of additional optical components and is easy to assemble. The light-emitting unit can be powered from both the top and bottom, and emits different colors of light through circuit control to meet the needs of different functions, such as rear position lights (red light) and rear turn signals (yellow light). In addition, 3D lighting effects can be achieved by freely arranging multiple pieces and stacking them.

[0023] 2. The present utility model can combine several small modules in the light-emitting unit to form different patterns for dynamic display. Compared with the common mini-LED / OLED / Monochrome LED methods, the present invention has relatively prominent advantages in terms of price and display accuracy.

[0024] 3. The flexible thin-film substrate of the present utility model is transparent. By applying MiniLEDs, light can appear in a form without a light source, and functions such as animations or patterns can be superimposed on the conventional functions, providing more designs and ideas for vehicle-person interaction and innovative entertainment. The optical system can be a light guide bar, a transparent thick-wall optical component, a reflector, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] By reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings, other features, objects, and advantages of the present utility model will become more apparent:

[0026] Figure 1 It is a schematic structural diagram of an automotive lamp using a transparent flexible substrate with built-in miniLEDs in Embodiment 1;

[0027] Figure 2 It is a schematic structural diagram of an automotive lamp using a transparent flexible substrate with built-in miniLEDs in Embodiment 2;

[0028] Figure 3 It is a schematic structural diagram of an automotive lamp using a transparent flexible substrate with built-in miniLEDs in Embodiment 3;

[0029] Figure 4 It is a schematic diagram of the principle of lighting different color light sources through a first flexible circuit board and a second flexible circuit board.

[0030] As shown in the figure:

[0031] Transparent flexible substrate 1 Snap 6

[0032] First flexible circuit board 2 Control board 7

[0033] Second flexible circuit board 3 Trim ring 8

[0034] miniLED light-emitting module 4 Mask 9

[0035] Bracket 5 Housing 10 DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] The present utility model will be described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present utility model, but do not limit the present utility model in any form. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several changes and improvements can still be made. These all belong to the protection scope of the present utility model.

[0037] Example 1:

[0038] As Figure 1 shown, this embodiment provides an automotive lamp using a transparent flexible substrate with built-in miniLEDs, including: a light-emitting unit body and a control board 7; the light-emitting unit body includes a transparent flexible substrate 1, and a plurality of miniLED light-emitting modules 4 are arranged in the transparent flexible substrate; a first flexible circuit board 2 and a second flexible circuit board 3 are arranged on the transparent flexible substrate 1 and are dot-connected to the miniLED light-emitting module 4; the first flexible circuit board 2 and the second flexible circuit board 3 are electrically connected to the control board 7, and the miniLED light-emitting module 4 can emit lights of different colors respectively through the first flexible circuit board 2 and the second flexible circuit board 3.

[0039] As Figure 4 shown, when the control board 7 gives a positive voltage through the first flexible circuit board 2 and a negative voltage through the second flexible circuit board 3, the first-color miniLEDs in the miniLED light-emitting module 4 are lit, emitting light of the first color; when the control board 7 gives a positive voltage through the second flexible circuit board 3 and a negative voltage through the first flexible circuit board 2, the second-color miniLEDs in the miniLED light-emitting module 4 are lit, emitting light of the second color. The first flexible circuit board 2 and the second flexible circuit board 3 are respectively connected to the first-color miniLEDs and the second-color miniLEDs through the wires in the miniLED light-emitting module 4. In this embodiment, as Figure 4 in A, the first-color miniLEDs are red miniLEDs, and as Figure 4 in B, the second-color miniLEDs are yellow miniLEDs.

[0040] The upper and lower ends of the flexible transparent thin substrate with built-in miniLED light-emitting unit are flexible circuit boards, and both the front and back can be powered on. When the first flexible circuit board 2 is powered on, it emits red light, and when the second flexible circuit board 3 is powered on, it emits yellow light. According to the shape design, the internal Mini LED light sources of this light-emitting unit can be divided into multiple light-emitting small module light-emitting units, as Figure 1 shown by the numbers 1 to 32, and each small module can be controlled and lit individually.

[0041] In this embodiment, the light-emitting unit with miniLEDs built into a flexible transparent thin substrate is applied to vehicle lamps, which can be diversely customized according to the product shape. One unit can be divided into multiple small modules, and each small module can be individually controlled and lit. The light-emitting units can be stacked in multiple layers, and different functional light colors can be switched, patterns and animations can be displayed, and they can be superimposed and reused with other functions through circuit control.

[0042] This embodiment uses a flexible transparent light-emitting thin substrate, which can be diversely customized according to the product shape and can be divided into multiple individually controllable light-emitting units to achieve dynamic pattern display. At the same time, this thin film is a transparent substrate and can be reused with the light-emitting areas of other functions, giving a certain floating effect when lit.

[0043] This embodiment also provides a vehicle, including the vehicle lamp with miniLEDs built into a transparent flexible substrate as described above.

[0044] Example 2:

[0045] As Figure 2 shown, the difference between this embodiment and Embodiment 1 is that the vehicle lamp further includes a bracket 5; a plurality of light-emitting unit bodies are provided, and the plurality of light-emitting unit bodies are installed on the bracket 5 in a stacked manner. The plurality of light-emitting unit bodies are installed on the bracket 5 through buckles 6. The vehicle lamp further includes a mask 9 and a housing 10; the bracket 5 is arranged inside the housing 10, and the mask 9 is arranged on the housing 10; the light emitted by the miniLED light-emitting module 4 exits through the mask 9. The vehicle lamp further includes a decorative ring 8, and the bracket 5 is installed inside the housing 10 through the decorative ring 8.

[0046] The light-emitting units are stacked in multiple layers and installed on the bracket 5 and fixed through buckles 6. The control board 7 is connected to the flexible circuit boards at the upper and lower ends to receive and output signals and is assembled on the bracket. The above-mentioned components are assembled as a sub-assembly on the decorative ring 8 and assembled into a finished lamp with the mask 9 and the housing 10 for assembly with the whole vehicle. The entire system includes six main parts: the flexible transparent thin substrate with built-in miniLED light source, the control board, the mounting bracket, the decorative ring, the outer lens, and the housing.

[0047] Example 3:

[0048] As Figure 3As shown in the figure, the difference between this embodiment and Embodiment 2 is that the bracket 5 is not provided, and the buckle 6 is directly provided on the decorative ring 8. An optical module 11 is provided on the side of the transparent flexible substrate 1 away from the mask 9. When the miniLED lighting module 4 is not lit, the light emitted by the optical module 11 can pass through the transparent flexible substrate 1 and exit from the mask 9. The optical module 11 includes a light source and an optical component. The light emitted by the light source reaches the transparent flexible substrate 1 after being adjusted by the optical component. The optical component is any one of the following: a light guide bar, a transparent thick-walled optical component, and a reflector.

[0049] The light-emitting units of the present utility model can be stacked and arranged in multiple pieces, and different functional light colors can be switched, patterns and animations can be displayed, and other functions can be superimposed and multiplexed through circuit control.

[0050] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0051] The specific embodiments of the present utility model have been described above. It should be understood that the present utility model is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the essence of the present utility model. Without conflict, the embodiments and features in the present application can be combined with each other arbitrarily.

Claims

1. An automotive lamp using a transparent flexible substrate with built-in miniLEDs, characterized in that, Comprising: A light-emitting unit body and a control board (7); The light-emitting unit body includes a transparent flexible substrate (1), and a plurality of mini-LED light-emitting modules (4) are arranged in the transparent flexible substrate; a first flexible circuit board (2) and a second flexible circuit board (3) which are dot-connected to the mini-LED light-emitting module (4) are arranged on the transparent flexible substrate (1); The first flexible circuit board (2) and the second flexible circuit board (3) are electrically connected to the control board (7), and the mini-LED light-emitting module (4) can emit lights of different colors respectively through the first flexible circuit board (2) and the second flexible circuit board (3).

2. The automotive lamp with built-in miniLED using a transparent flexible substrate according to claim 1, characterized in that: The vehicle lamp further includes a bracket (5); A plurality of the light-emitting unit bodies are provided, and the plurality of light-emitting unit bodies are mounted on the bracket (5) in a stacked manner of multiple sheets.

3. The automotive lamp using miniLEDs built into a transparent flexible substrate according to claim 2, wherein, The plurality of light-emitting unit bodies are mounted on the bracket (5) through buckles (6).

4. The automotive lamp using a transparent flexible substrate with built-in miniLEDs according to claim 2, wherein The vehicle lamp further includes a mask (9) and a housing (10); The bracket (5) is arranged in the housing (10), and the mask (9) is arranged on the housing (10); the light emitted by the mini-LED light-emitting module (4) exits through the mask (9).

5. The automotive lamp using a transparent flexible substrate with built-in miniLEDs according to claim 4, characterized in that, The vehicle lamp further includes a decorative ring (8), and the bracket (5) is mounted in the housing (10) through the decorative ring (8).

6. The automotive lamp using miniLEDs built into a transparent flexible substrate according to claim 4, characterized in that, An optical module (11) is arranged on a side of the transparent flexible substrate (1) away from the mask (9); When the mini-LED light-emitting module (4) is not lit, the light emitted by the optical module (11) can pass through the transparent flexible substrate (1) and exit from the mask (9).

7. The automotive lamp using a transparent flexible substrate with built-in miniLEDs according to claim 6, characterized in that, The optical module (11) includes a light source and an optical element, and the light emitted by the light source reaches the transparent flexible substrate (1) after being adjusted by the optical element; The optical element is any one of the following: a light guide bar, a transparent thick-wall optical element, a reflector.

8. The automotive lamp using a transparent flexible substrate with built-in miniLEDs according to claim 1, characterized in that, When the control board (7) gives a positive voltage through the first flexible circuit board (2) and a negative voltage through the second flexible circuit board (3), the first-color mini-LEDs in the mini-LED light-emitting module (4) are lit, emitting light of the first color; When the control board (7) gives a positive voltage through the second flexible circuit board (3) and a negative voltage through the first flexible circuit board (2), the second-color mini-LEDs in the mini-LED light-emitting module (4) are lit, emitting light of the second color.

9. The automotive lamp using miniLEDs built into a transparent flexible substrate according to claim 8, wherein, The first flexible circuit board (2) and the second flexible circuit board (3) are respectively connected to the first-color mini-LEDs and the second-color mini-LEDs through wires in the mini-LED light-emitting module (4).

10. A vehicle, characterized in that, A vehicle lamp adopting a transparent flexible substrate with built-in mini-LEDs according to any one of claims 1 to 9.