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:
Apr. 03, 2012
Filed:
Apr. 10, 2009
Chiung-han Wang, Kaohsiung County, TW;
Jing-huan Liao, Taoyuan County, TW;
Yu-tsung Huang, Taipei County, TW;
Chiung-Han Wang, Kaohsiung County, TW;
Jing-Huan Liao, Taoyuan County, TW;
Yu-Tsung Huang, Taipei County, TW;
Au Optronics Corporation, Hsinchu, TW;
Abstract
A light guide plate including a body and a plurality of prism microstructures is provided. The body has a bottom surface, a light emitting surface opposite to the bottom surface, and a plurality of side surfaces. The light emitting surface has a central area and at least one peripheral area outside the central area. The prism microstructures are disposed on the light emitting surface and the bottom surface. The prism microstructure disposed on the light emitting surface includes a plurality of first prism microstructures in the central area and a plurality of second prism microstructures in the peripheral area. A top angle θof the second prism microstructure is greater than a top angle θof the first prism microstructure. A backlight module including the above-mentioned light guide plate is also provided.