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:
Jul. 05, 2005
Filed:
Dec. 27, 2002
Applicant:
Yi-chun Ho, Chung-Ho, TW;
Inventor:
Yi-Chun Ho, Chung-Ho, TW;
Assignee:
Quanta Display Incorporation, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V007/09 ;
U.S. Cl.
CPC ...
Abstract
A direct-lighting type back light unit includes a plurality of light sources for emitting light outward; a reflecting plate defining a plurality of curved reflecting recesses in which the light sources are respectively arranged. Each recess forms a first convex reflecting surface at a center of the recess, a second inclined reflecting surface formed at an edge of the recess and a third inclined reflecting surface formed at the edge and extending from the second reflecting surface.