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. 03, 2012
Filed:
Oct. 30, 2007
Applicants:
Edward Pakhchyan, Burbank, CA (US);
Haik Mesropian, Glendale, CA (US);
Syuzi Pakhchyan, Glendale, CA (US);
Inventors:
Edward Pakhchyan, Burbank, CA (US);
Haik Mesropian, Glendale, CA (US);
Syuzi Pakhchyan, Glendale, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); F21V 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A back-light assembly for uniformly illuminating large area displays. The back-light assembly includes a uniformly thin waveguide, a reflector and a plurality of light sources evenly distributed along the display area between the waveguide and the reflector. Prismatic facets are provided along the lower surface of the waveguide for effectively coupling light emitted from light sources into the waveguide.