Optical structure of vehicle lamp for improving light efficiency
CN224694355UActive Publication Date: 2026-08-28YI MEI QI CHE GUANG DIAN KE JI (CHANG CHUN) YOU XIAN GONG SI
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Patent Information
- Application Number
- CN202521897025.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-04
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-04
AI Technical Summary
Technical Problem
[0002]传统光学结构只利用导光体导光，照射到支架和扩散面罩非发光区域的光线均被材料吸收，如何利用支架和扩散面罩材料本身反射作用最大限度利用光线，以及在实现出光面均匀效果的前提下提升光效的问题亟待解决
Benefits of technology
[0012]与现有技术相比，本实用新型的有益效果是：通过支架、导光体以及扩散面罩组成光学谐振腔，在不改变电功率、不增加零件数量的的情况下提升光学效率。
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Smart Images
Figure CN224694355U_ABST
Abstract
The utility model discloses a kind of vehicle light optical structures of promoting light efficiency, comprising: LED module, support, light guide body and diffusion mask, support is provided with reflecting surface;Light guide body is connected with support, the side of light guide body close to support is provided with V-CUT structure or dot structure, and is spaced apart with reflecting surface;The surface of diffusion mask is provided with shading layer, and the local engraving or openwork of shading layer forms light-emitting area, and the side of shading layer close to light guide body is at least partially reflected light;Light guide body includes light entrance surface, and light entrance surface is correspondingly arranged with LED module of light emission;The utility model is composed of optical resonant cavity by support, light guide body and diffusion mask, and optical efficiency is promoted without changing electric power, without increasing the number of parts.
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