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. 19, 2015
Filed:
Mar. 15, 2011
Applicants:
Lei Du, Hangzhou, CN;
Bairen Liu, Hangzhou, CN;
Kaiwei Yao, San Jose, CA (US);
Junming Zhang, Hangzhou, CN;
Yuancheng Ren, Hangzhou, CN;
Inventors:
Lei Du, Hangzhou, CN;
Bairen Liu, Hangzhou, CN;
Kaiwei Yao, San Jose, CA (US);
Junming Zhang, Hangzhou, CN;
Yuancheng Ren, Hangzhou, CN;
Assignee:
Monolithic Power Systems, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0818 (2013.01); H05B 33/0848 (2013.01);
Abstract
Light emitting diode (LED) dimming and driver systems and associated methods of control are disclosed herein. In one embodiment, a system comprises a PFC stage and an LED driver stage. The LED driver stage comprises an isolated converter and a controller responsive to a dimming signal to dim LED strings for backlight. The controller also regulates an output current of the isolated converter.