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. 15, 2016
Filed:
Nov. 06, 2014
Applicant:
Chipone Technology (Beijing) Co., Ltd., Beijing, CN;
Inventors:
Yen-Hui Wang, Hsinchu, TW;
Chi-Jung Wang, Hsinchu, TW;
Assignee:
CHIPONE TECHNOLOGY (BEIJING) CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0845 (2013.01); H05B 33/0815 (2013.01); H05B 33/0824 (2013.01); H05B 33/0803 (2013.01);
Abstract
A method for minimizing LED flicker of an LED driver system, the LED driver system comprising a PFC constant average current converter, a capacitor, an LED module, and a current regulator, the method including: a first step: the current regulator generating a control voltage according to an average of a difference between a reference voltage and a voltage at a second end of the LED module; and a second step: the current regulator determining a regulation value for a current flowing through the LED module according to the control voltage.