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. 17, 2007
Filed:
Sep. 28, 2004
Applicants:
IN Ho Ahn, Taegu-kwangyokshi, KR;
Pu Jin Kim, Kumi-shi, KR;
Dong Yun Lee, Seongnam-shi, KR;
Inventors:
Assignee:
LG. Philips LCD Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A backlight driving system is provided for a liquid crystal display device. The backlight driving system comprises at least one backlight having at least one terminal, an inverter and at least one transformer. The inverter supplies a voltage to the backlight and has first and second output terminals. The transformer has a first input coil and a second input coil that are connected to the first and the second output terminals of the inverter. The transformer transforms the voltage outputted from the inverter and applies a transformed voltage to the backlight via the terminal of the backlight.