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.

Date of Patent:
Aug. 13, 2013

Filed:

Jul. 12, 2011
Applicants:

Tae Shik Kim, Gyunggi-do, KR;

Heung Gyoon Choi, Gyunggi-do, KR;

Yun Ki Kang, Seoul, KR;

Tae Hyung Kang, Gyunggi-do, KR;

Sang Gab Park, Gyunggi-do, KR;

Inventors:

Tae Shik Kim, Gyunggi-do, KR;

Heung Gyoon Choi, Gyunggi-do, KR;

Yun Ki Kang, Seoul, KR;

Tae Hyung Kang, Gyunggi-do, KR;

Sang Gab Park, Gyunggi-do, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power supply device for driving a light emitting diode (LED) capable of controlling the switching of multiple output powers, in synchronization with the frequency of one of the multiple output powers and simplifying a power conversion stage in supplying power for driving an LED.


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