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:
Dec. 25, 2012
Filed:
Aug. 12, 2011
Young Jin Lee, Seoul, KR;
Byoung Own Min, Gyunggi-do, KR;
Gil Han Park, Gyunggi-do, KR;
Grigory Onushkin, Gyunggi-do, KR;
Young Jin Lee, Seoul, KR;
Byoung Own Min, Gyunggi-do, KR;
Gil Han Park, Gyunggi-do, KR;
Grigory Onushkin, Gyunggi-do, KR;
Samsung Electronics Co., Ltd., Seoul, KR;
Abstract
There is provided an LED driving circuit including: at least one ladder network circuit including: (n+1) number of first branches connected in parallel with one another by n number of first middle junction points between a first junction point and a second junction point, where n denotes an integer satisfying n≧2, (n+1) number of second branches connected in parallel with one another by n number of second middle junction points between the first junction point and the second junction point, the (n+1) number of second branches connected in parallel with the first branches; and n number of middle branches connecting the first and second middle junction points of an identical m sequence to each other, respectively, wherein each of the first and second, and middle branches comprises at least one LED device.