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:
Jan. 01, 2008
Filed:
Mar. 23, 2006
Applicant:
Fung-hsu Wu, Tao-Yuan Hsien, TW;
Inventor:
Fung-Hsu Wu, Tao-Yuan Hsien, TW;
Assignee:
Daxon Technology Inc., Gueishan, Tao-Yuan Hsien, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Light emitting diodes are arranged in a matrix under an incident surface of a light guide panel. The incident surface includes a plurality of incident blocks arranged with each incident block respectively positioned beside a corresponding LED. Each incident block includes a plurality of surfaces having different normal vectors or curvature radiuses for scattering light emitted from the corresponding LED. A reflection film may be used to reflect light generated from the plurality of LEDs and a diffuser sheet may be positioned at one side of a light-exit surface of the light guide panel.