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.

Date of Patent:
Apr. 22, 2014

Filed:

Jun. 20, 2011
Applicants:

Wen-ti Chang, Hsin-Chu, TW;

Yuan-pin Cho, Hsin-Chu, TW;

Chin-chuang Chueh, Hsin-Chu, TW;

Chia-yuan Chang, Hsin-Chu, TW;

Inventors:

Wen-Ti Chang, Hsin-Chu, TW;

Yuan-Pin Cho, Hsin-Chu, TW;

Chin-Chuang Chueh, Hsin-Chu, TW;

Chia-Yuan Chang, Hsin-Chu, TW;

Assignee:

Au Optronics Corp., Hsinchu, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power conversion circuit for light emitting diode includes a voltage converter. The voltage converter has two receiving terminals and two output terminals. The two receiving terminals of the voltage converter are electrically coupled to the direct current power supply, and the output terminals output corresponding direct current signals according to the received direct current power supply, to drive a light emitting diode string. One of the output terminals has a positive potential, and another output terminal has a negative potential.


Find Patent Forward Citations

Loading…