发光模组及车载信号灯
By employing millimeter-level light-emitting devices and light-emitting units with uniform light layer structures in vehicle signal lights, the problem of high cost of pixelated interactive vehicle signal lights has been solved, achieving a low-cost and uniformly bright optical effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MIND ELECTRONICS APPLIANCE CO LTD
- Filing Date
- 2025-07-11
- Publication Date
- 2026-07-17
AI Technical Summary
In existing pixelated interactive vehicle signal lights, Mini LED light-emitting modules or OLED display modules are expensive and difficult to meet the cost control requirements of OEMs.
The light-emitting unit, which employs millimeter-level light-emitting devices and a light-diffusing layer structure, improves the uniformity of brightness distribution and reduces manufacturing costs by setting baffles and light-diffusing layers on the mounting substrate.
It achieves low-cost manufacturing of light-emitting modules while ensuring uniform brightness distribution and optical effects, thus meeting user needs.
Smart Images
Figure CN224516568U_ABST
Abstract
Claims
1. A light-emitting module for use in vehicle signal lights, characterized in that, The light-emitting module includes multiple light-emitting units combined together, and each light-emitting unit includes: Mounting substrate; A light-emitting device, wherein the light-emitting device is disposed on the mounting substrate, and the light-emitting device is a millimeter-scale light-emitting device; A barrier wall, disposed on the mounting substrate, defining a receiving space, wherein the light-emitting device is located in the receiving space; and A light-diffusing layer is disposed on the side of the light-emitting device away from the mounting substrate.
2. The light emitting module of claim 1, wherein, The mounting substrate is a triangular substrate, and the number of light-emitting devices is three. The shape formed by the line connecting the centers of the three light-emitting devices is a triangle.
3. The light emitting module of claim 2, wherein, The mounting substrate is shaped like a first equilateral triangle, and the line connecting the centers of the three light-emitting devices forms a second equilateral triangle. The sides of the second equilateral triangle are parallel to the corresponding sides of the first equilateral triangle.
4. The light emitting module of claim 3, wherein, The side length of the second equilateral triangle is half the side length of the first equilateral triangle.
5. The light emitting module of claim 3, wherein, The light-emitting unit has a light-emitting surface, which is the surface of the light-emitting unit away from the mounting substrate; The side length of the second equilateral triangle is L, and the distance from the top of the light-emitting device to the light-emitting surface is H, wherein 1 / 0.68≤L / H≤1 / 0.
62.
6. The light emitting module of any one of claims 1 to 5, wherein, The light-diffusing layer includes a substrate layer and scattering structures dispersed in the substrate layer, wherein the refractive index of the scattering structures is not equal to the refractive index of the substrate layer.
7. The light emitting module of claim 6, wherein, The substrate layer is formed by curing adhesive; The light-diffusing layer is located in the receiving space, and the light-diffusing layer is connected to the retaining wall; The light-emitting unit further includes a transparent adhesive layer, which is located between the light-diffusing layer and the mounting substrate and covers the light-emitting device. The transparent adhesive layer is connected to both the mounting substrate and the light-diffusing layer.
8. The light emitting module of claim 6, wherein, The substrate layer is formed by curing adhesive; The light-diffusing layer is located in the receiving space, and the light-diffusing layer is connected to the retaining wall; The light-emitting unit also includes a light-transmitting support plate, which is disposed on the side of the barrier wall away from the mounting substrate. The light-transmitting support plate is connected to both the barrier wall and the light-uniforming layer.
9. The light emitting module of any one of claims 1-5, wherein, The light-diffusing layer is a light-diffusing film, which is located on the side of the barrier wall away from the mounting substrate. The light-emitting unit also includes a transparent adhesive layer, which is located between the light-diffusing layer and the mounting substrate and covers the light-emitting device. The transparent adhesive layer is connected to both the mounting substrate and the light-diffusing layer. The light-emitting unit further includes a light-shielding layer, which is located on the side of the light-uniforming layer away from the mounting substrate. The light-shielding layer and the barrier are disposed opposite to each other along a first direction, which is perpendicular to the mounting substrate.
10. A vehicle-mounted signal light, characterized by comprising: It includes a plurality of light-emitting modules as described in any one of claims 1 to 9.