Patent ID: 9453622
Filing Date: 2016-09-27
CPC Classification: F21V,F21Y,G02B

Claim Text:
1. A lens comprising: an optical axis; a light source recess arranged through the optical axis; a reflection surface crossing through the optical axis; a light emitting surface; and a critical reflection surface which is arranged in a spaced relationship with the optical axis, wherein the reflection surface receives the light from the light source recess and reflects the light from the light source recess onto the critical reflection surface, the critical reflection surface is arranged between the light source recess and the reflection surface and receives the light from the light source recess and the reflection surface and reflects the light from the light source recess and the reflection surface towards the reflection surface, the light emitting surface has same structure with the reflection surface, the light reflected from the critical reflection surface is emitted via the light emitting surface.