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:
Nov. 11, 2014
Filed:
Jul. 05, 2011
Applicants:
Song-yi Lin, Hsinchu County, TW;
Hsuan-i Pan, Hsinchu County, TW;
Hung I Wang, Hsinchu County, TW;
Inventors:
Assignee:
MStar Semiconductor, Inc., Hsinchu Hsien, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0827 (2013.01); H05B 33/0818 (2013.01);
Abstract
A light emitting diode (LED) driving system drives a plurality of LED strings. A plurality of current sources are respectively connected to the plurality of LED strings. A multi-phase control signal generator generates a plurality of multi-phase control signals that respectively maintain turn on or turn off states of the current sources so as to selectively conduct the corresponding LED strings.