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:
Oct. 25, 2011
Filed:
Oct. 02, 2007
Applicants:
Chiawei Liao, San Jose, CA (US);
Jing-meng Liu, Jubei, TW;
Inventors:
Chiawei Liao, San Jose, CA (US);
Jing-Meng Liu, Jubei, TW;
Assignee:
Richtek Technology Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a backlight control circuit, and a method for controlling light emission devices. The method comprises: providing a plurality of light emission device paths connected in parallel; and setting a total current of the paths connected in parallel to a constant.
Liao, Chiawei. (2011). Backlight control circuit with low brightness variation when light emitting devices not operating (U.S. Patent No. 8044920). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8044920
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile