KEY STRUCTURE

Abstract: a key structure includes a light source and a light guiding assembly, a transparent cover, a semi-transparent and semi-reflective mirror, and a reflection mirror disposed above the light source. the transparent cover is disposed on the light guiding assembly. the transparent cover has strip recesses surrounding the light guiding assembly. the reflection mirror is disposed on the light guiding assembly. the reflection mirror and the semi-transparent and semi-reflective mirror face each other through the transparent cover. a part of light generated by the light source generates an infinity reflection between the strip recesses, the reflection mirror, and the semi-transparent and semi-reflective mirror after passing through the light guiding assembly.

Inventor(s): Ching-Yi Lu, Ming-Cheng Wu, Yi-Heng Lee

CPC Classification: G02B6/0031 (Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings)

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