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:
Jan. 01, 2013
Filed:
Sep. 20, 2010
BO Hyun Hwang, Seoul, KR;
Jae Shin Lee, Gyunggi-do, KR;
Jung Hyun Kim, Gyunggi-do, KR;
Jung Sun Kwon, Gyunggi-do, KR;
Seung Kon Kong, Gyunggi-do, KR;
Bo Hyun Hwang, Seoul, KR;
Jae Shin Lee, Gyunggi-do, KR;
Jung Hyun Kim, Gyunggi-do, KR;
Jung Sun Kwon, Gyunggi-do, KR;
Seung Kon Kong, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Gyunggi-Do, KR;
Abstract
There is provided a light emitting diode (LED) driver removing signal interference by varying a switching frequency within a preset range. The LED driver includes a power supply section switching input power and supplying driving power to at least one LED; a switching control section controlling the switching of the power supply section according to a clock signal being supplied; and a clock signal generation section supplying the clock signal having a preset variable frequency range to the switching control section.