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. 02, 2010
Filed:
Nov. 07, 2007
Applicants:
Ya-hsien Chang, Hsinchu, TW;
Jyh-haur Huang, Hsinchu, TW;
Inventors:
Ya-Hsien Chang, Hsinchu, TW;
Jyh-Haur Huang, Hsinchu, TW;
Assignee:
AU Optronics Corporation, Hsinchu, TW;
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a light emitting diode (LED) backlight having a plurality of LED strips, in which driving current supplied to each of the plurality of LED strips is adjusted according to measured differences in chromaticity coordinates between the actual light chromaticity and brightness output by each LED strip and a desired light chromaticity and brightness of each LED so that the LED backlight generates light of a desired color with a uniform brightness, and methods of operating the same.