Diffusion lens for diffusing LED light

Details Diffusion lens for diffusing LED light Diffusion lens for diffusing LED light

2007-05-29

2007-05-29

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Lens

Diffusing

C359S709000

Reexamination Certificate

active

11438298

ABSTRACT:
Disclosed herein is a diffusion lens for diffusing LED light. The diffusion lens of the present invention includes a bottom surface, a conic first lens surface, a second lens surface, and a third lens surfaces. According to the present invention, it is easy to manufacture a mold required to manufacture a diffusion lens for diffusing LED light, and to eject the diffusion lens after molding has been performed, and it can uniformly diffuse LED light in the central direction, the diagonal direction and the lateral direction of the lens.

REFERENCES:
patent: 2005/0111114 (2005-05-01), Bode et al.

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