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:
Jun. 22, 2010
Filed:
Jan. 28, 2008
Tzeng-ke Shiau, Hsinchu, TW;
Ching-shiang LI, Hsinchu, TW;
Chao-hung Weng, Hsinchu, TW;
Jiun-chian Liao, Hsinchu, TW;
Chih-jen Tsang, Hsinchu, TW;
Tzeng-Ke Shiau, Hsinchu, TW;
Ching-Shiang Li, Hsinchu, TW;
Chao-Hung Weng, Hsinchu, TW;
Jiun-Chian Liao, Hsinchu, TW;
Chih-Jen Tsang, Hsinchu, TW;
Coretronic Corporation, Hsin-Chu, TW;
Abstract
A light guide plate (LGP) adapted to a backlight module having a light emitting surface, a bottom surface opposite to the light emitting surface, and at least one light incident surface contacting with the light emitting surface and the bottom surface is provided. The bottom surface has a plurality of flat surfaces and a plurality of groove groups. The groove groups and the flat surfaces are arranged in an alternating fashion. Each of the groove groups has at least two grooves. Each of the grooves has a first slanted surface, a peak, and a second slanted surface intersecting with the first slanted surface at the peak. In each of the grooves, a first edge side of the first slanted surface away from the peak is at a first distance from a second edge side of the second slanted surface away from the peak.