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:
Apr. 24, 2012
Filed:
Sep. 06, 2011
Applicants:
Pi-lun Chang, Taipei, TW;
Hung-hsiang Chen, Taipei, TW;
Yi-nan Chu, Changhua Hsien, TW;
Inventors:
Assignee:
Chunghwa Picture Tubes, Ltd., Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for controlling a light source driving circuit is provided. The method includes driving a plurality of serially-connected light sources, and measuring a working parameter of the light sources; shorting the light sources sequentially to find out at least a failed light source, when the working parameter is not measured; and remaining shorting the failed light source, and regulating a brightness of the light sources without having the failed light source according to a newest working parameter.