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:
Jul. 15, 2014

Filed:

Dec. 09, 2011
Applicants:

Jin Sung Kim, Seoul, KR;

Kyu Cheol Kang, Suwon-si, KR;

Jin Woo Bae, Seoul, KR;

Choul Ho Lee, Suwon-si, KR;

Jong Yang Choo, Yongin-si, KR;

Inventors:

Jin Sung Kim, Seoul, KR;

Kyu Cheol Kang, Suwon-si, KR;

Jin Woo Bae, Seoul, KR;

Choul Ho Lee, Suwon-si, KR;

Jong Yang Choo, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A test apparatus for a power supply unit is provided, which includes a body unit configured to define a space to receive a light emitting diode (LED) and to provide a test environment to test a supply state of power applied to the LED; and a test unit mounted in the body unit to face the LED and configured to detect flicker of the LED occurring when a power supply is abnormal. According to the foregoing structure, power supply with respect to the LED may be regularly detected and analyzed, thereby increasing quality of power supply with respect to the LED.


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