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:
Oct. 11, 2011
Filed:
Aug. 02, 2006
Applicants:
Ko-chia Kao, Jiuru Shiang, TW;
Chih-kuang Chen, Kaohsiung, TW;
Inventors:
Ko-Chia Kao, Jiuru Shiang, TW;
Chih-Kuang Chen, Kaohsiung, TW;
Assignee:
Au Optronics Corp., Hsinchu, TW;
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light guide plate for a liquid crystal display is disclosed. The light guide plate is adapted for use in a side-light emission type of backlight module. The light guide plate comprises a light incidence face that has at least one surface having at least one annular protrusion or recess, thereby enhancing the capability of light diffusion, uniformity of the light distribution, as well as promoting brightness.