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:
Nov. 13, 2012
Filed:
Jul. 09, 2010
Applicants:
Liang-kang Chang, Hsin-Chu, TW;
Hao-jan Kuo, Hsin-Chu, TW;
Ming-dah Liu, Hsin-Chu, TW;
Inventors:
Assignee:
Coretronic Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/00 (2006.01); F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light guide plate includes a transparent substrate and a plurality of micro structures. The transparent substrate has a first surface and a second surface opposite the first surface, and the micro structures are disposed at least on the first surface of the transparent substrate and are separate from each other. Each of the micro structures includes a first coating layer and a second coating layer. The first coating layer is formed on the first surface and includes an adhesive material. The second coating layer is formed on at least a part of the first coating layer and includes a light-diffusing material.