Transparent reflector for line light source

By designing the V-shaped structure arranged in an array on the outer surface of the headlight reflector, the total reflection function is realized, solving the problems of high cost and optical performance of traditional reflectors, and no reflective film is required, achieving a new visual effect.

CN222634387UActive Publication Date: 2025-03-18CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD
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Patent Information

Application Number
CN202420681394.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-03-18
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

Traditional headlight reflectors realize light reflection by plating a reflective film, which has high cost and affected optical performance. At the same time, the incident angle is greater than the critical angle of total reflection to achieve total reflection.

Method used

A transparent reflector for linear light sources is designed, and its outer surface is fully reflective through a plurality of V-shaped structures arranged in an array, and there is no need to plating a reflective film. The angle of the V-shaped structure is 80-100°, preferably 90°.

Benefits of technology

The total reflection function of light is realized without the need to plating a reflective film, which reduces the cost and can achieve total reflection at a smaller incident angle, achieving a new visual effect.

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Abstract

The utility model belongs to the technical field of automobile lamps, and relates to a transparent reflecting mirror for a line light source, which comprises a reflecting mirror body, the reflecting mirror body comprises an inner surface and an outer surface with a total reflection function, the outer surface comprises a plurality of V-shaped structures arranged in an array, the V-shaped structures are formed by extending V-shaped contour lines along normal guide lines, and the V-shaped contour lines extend along the normal guide lines. The V-shaped contour line is formed by overlapping one end of a first contour line segment and one end of a second contour line segment, the included angle between the first contour line segment and the second contour line segment is 80-100 degrees, preferably, the included angle between the first contour line segment and the second contour line segment is 90 degrees, and the included angle between the first contour line segment and the second contour line segment is 90 degrees. And the first contour line segment and the second contour line segment are symmetrically arranged along a plane which passes through the mutually overlapped ends and is vertical to the plane where the first contour line segment and the second contour line segment are located. The LED lamp does not need to be aluminized, can ensure that light rays can still be totally reflected when entering at a small angle, and has the advantages of being simple in structure, stable, reliable, capable of reducing cost, energy-saving, environment-friendly, capable of achieving a brand-new visual effect and the like.
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