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. 13, 2015
Filed:
Jan. 24, 2012
Applicant:
Koichi Sakai, Kawagoe, JP;
Inventor:
Koichi Sakai, Kawagoe, JP;
Assignee:
PRINCETON TECHNOLOGY CORPORATION, New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0827 (2013.01);
Abstract
A light emitting diode (LED) driving circuit is provided. The LED driving circuit includes: at least one LED driving module, coupled to the at least one LED series, for driving the corresponding LED series; and a voltage regulating module, coupled to the at least one LED driving module, for providing a regulation signal according to an output signal from the at least one LED driving module, wherein an input voltage of the at least one LED series is regulated according to the regulation signal.