Light guide unit and light source module having scattering reflective unit
Light guide unit and
light source module having scattering reflective unit
2013/7/9 Lin Sheng-Hung, Hwang Jung-Min, Yu Shih-Yuan, Chung Ching-Yuan
Abstract
A light guide unit including a light guide plate and a scattering reflective unit is provided. The light guide plate has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light incident surface includes a first recess and a second recess arranged in a sequence from the first surface to the second surface. An average radius of curvature of the first recess is less than an average radius of curvature of the second recess. The scattering reflective unit is disposed on the second surface. A light source module is also provided.
http://patft.uspto.gov/netahtml/PTO/search-bool.html
Utility/8,480,284
patent pdf:
https://drive.google.com/file/d/0B-Jg2ZDReoWuSmQ5cjRXaGFvbEE/view?usp=sharing
沒有留言:
張貼留言