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. 27, 2015
Filed:
Aug. 18, 2010
Applicant:
Sungeun Kim, Seoul, KR;
Inventor:
Sungeun Kim, Seoul, KR;
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An LED (Light Emitting device) driving circuit is disclosed, the circuit characterized by: at least two LED strings (); at least two constant current control blocks () for respectively controlling a current path of the at least two LED strings; a detector () for detecting a voltage in the at least two constant current control blocks; and a power supply () for supplying a driving power to the at least two LED strings () in response to the detected voltage.