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:
May. 10, 2011
Filed:
Sep. 03, 2009
Applicants:
Chin-der Wey, Miaoli County, TW;
Yi-chun Yeh, Sanchong, TW;
Chiah-hung Sun, Kaohsiung, TW;
Hsing-ju Chen, Tainan County, TW;
Inventors:
Chin-Der Wey, Miaoli County, TW;
Yi-Chun Yeh, Sanchong, TW;
Chiah-Hung Sun, Kaohsiung, TW;
Hsing-Ju Chen, Tainan County, TW;
Assignee:
AU Optronics Corp., Hsin-chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 41/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lamp drive circuit used for driving a number of lamps is provided. The lamps are used in the backlight module. The backlight module is used for providing a light source when a liquid crystal display displays. The lamps are respectively electrically connected to a coil. The coils substantially have the same coil turns and have the same magnetic circuit, so that the currents flowing through the lamps are balanced.