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:
Mar. 09, 2010
Filed:
Jul. 25, 2007
Applicants:
Yu-nan Liu, Kaohsiung, TW;
Tzu-wei Wang, Taoyuan, TW;
Inventors:
Yu-Nan Liu, Kaohsiung, TW;
Tzu-Wei Wang, Taoyuan, TW;
Assignee:
Lite-On Technology Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); H01L 33/00 (2006.01); H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light guide device and a light guide plate using the same are provided. The light guide device has a first surface, a second surface, and a bottom surface. The first surface, the second surface, and the bottom surface define the internal part of the light guide device. The bottom surface has a cavity. When a light source in the cavity generates light, the light from the internal part of the light guide device is emitted via the first surface.