The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 14, 2010
Filed:
Dec. 26, 2007
Chung-hao Tien, Hsinchu, TW;
Yen-hsing LU, Hsinchu, TW;
Yu-kuo Cheng, Hsinchu, TW;
Po-yi LU, Hsinchu, TW;
Chung-Hao Tien, Hsinchu, TW;
Yen-Hsing Lu, Hsinchu, TW;
Yu-Kuo Cheng, Hsinchu, TW;
Po-Yi Lu, Hsinchu, TW;
National Chiao Tung University, Hsinchu, TW;
Abstract
The optical element apparatus for two-dimensional controllable localized partition backlight module is disclosed. The optical element apparatus comprises of a plurality of optical units which include a plurality of point light sources, light guides and collimating sheets. The point light source is located at the center of the light guide. The light guide includes the incident surface, the bottom place connecting with the light incident surface, and the light output surface. There are micro structures on the bottom place of the light guide and the top surface of the collimating sheet.