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:
Dec. 13, 2011
Filed:
Apr. 06, 2009
Applicants:
Shau-yu Tsai, Hsin-Chu, TW;
Super Liao, Hsin-Chu, TW;
Inventors:
Shau-Yu Tsai, Hsin-Chu, TW;
Super Liao, Hsin-Chu, TW;
Assignee:
AU Optronics Corporation, Hsin-Chu, TW;
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light guide plate microstructure is provided. The light guide plate microstructure is located on at least one surface of the light guide plate and has a plurality of groove units. Each groove unit has multiple V-shaped grooves, and each V-shaped groove has an apex angle within a range of about 80°-160°. Furthermore, at least two of the V-shaped grooves of a groove unit have different apex angles.