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:
Aug. 04, 2015
Filed:
Jul. 15, 2013
Applicant:
Luxmill Electronic Co., Ltd., Hsinchu County, TW;
Inventors:
Shih Yu Wang, Hsinchu County, TW;
Hui Teng Tsai, Hsinchu County, TW;
Mao Feng Lan, Hsinchu County, TW;
Tien Pao Lee, Hsinchu County, TW;
Assignee:
LUXMILL ELECTRONIC CO., LTD., Hsinchu County, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0818 (2013.01);
Abstract
An LED driver having one end coupled with an LED module and another end coupled to a ground, being capable of generating a duty current and a duty in response to a dropout voltage across the LED driver in a way that, the duty current will increase and the duty will decrease when the dropout voltage exceeds a first threshold, and the duty current will decrease and the duty will increase when the dropout voltage falls below a second threshold.