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:
Jul. 16, 2013
Filed:
Nov. 16, 2011
Applicants:
Weiqiang Zhang, Shanghai, CN;
Lizhi Xu, Shanghai, CN;
Qi Zhang, Shanghai, CN;
Jianping Ying, Shanghai, CN;
Inventors:
Weiqiang Zhang, Shanghai, CN;
Lizhi Xu, Shanghai, CN;
Qi Zhang, Shanghai, CN;
Jianping Ying, Shanghai, CN;
Assignee:
Delta Electronics (Shanghai) Co., Ltd., Shanghai, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a multi-channel LED driver circuit, including a power supply device for providing an independent voltage source; a plurality of regulating circuits connected to the power supply device and the light light-emitting diode arrays for receiving a voltage from the voltage source and providing a plurality of output currents to the light-emitting diode arrays, and thereby generating a plurality of error signals.