A light guide component and an automobile lamp with the light guide component

Abstract

The invention discloses a light guiding component and an automobile lamp provided with the same and belongs to the automobile illumination field. According to the light guiding component, a coupling structure includes a first coupling region and a second coupling region; the light source is located outside the light entering surface of an optical unit; light emitted by the light source enters thecoupling structure through the light entering surface; after the light passing through the first coupling region is reflected, the reflected light directly exits from a light exiting surface along a horizontal light exiting direction; after the light passing through the second coupling region is reflected, the reflected light is subjected to total reflection once through a reflection surface, andthen the reflected light exits from the light exiting surface along the horizontal light exiting direction; and the coupling structure and the reflection surface are in axially symmetrical distribution with respect to the horizontal light exiting direction. The automobile lamp includes the light guiding component, a light source, a PCB, a bracket for fixing the light guiding component, and an automobile lamp housing, wherein the light source and the PCB are corresponding to the light guiding component. The light guiding component of the invention has the advantages of novel structure, simple design, high efficiency and high uniformity. With the light guiding component adopted, design costs, material costs and mold costs can be reduced.

Description

technical field [0001] The invention relates to the field of vehicle lighting, in particular to a light guide component; the invention also relates to an automobile lamp with the light guide component. Background technique [0002] In the field of vehicle lighting, it is a common technical means to combine multiple LED light sources and light guide components to achieve linear structural modeling. Since the LED is a point light source, its energy density decreases from the center to the outside. Even after the reflection and refraction of the secondary light distribution, the light distribution in the adjacent LED area is still different from the light distribution in front of the LED; but the vehicle shape The consistency of the lighting effect is demanding, not only from the front view direction of the vehicle, the consistency of the lighting effect of the headlights is high, but also from the inside and outside of the vehicle, it is still necessary to maintain a uniform a...

AI Technical Summary

Problems solved by technology

But the ubiquitous problem is that the structure is relatively complex (resulting in complex design and mold), or the structure is simple but the uniformity is not good enough, or many LEDs are used to achieve uniformity, which reduces the efficiency of the LED light source

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