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:
Dec. 06, 2016

Filed:

Jun. 28, 2012
Applicant:

Sung-cheon Park, Yongin, KR;

Inventor:

Sung-Cheon Park, Yongin, KR;

Assignee:

Samsung Display Co., Ltd., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01); G09G 3/32 (2016.01); G05F 1/40 (2006.01); G05F 1/62 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3208 (2013.01); G05F 1/40 (2013.01); G05F 1/62 (2013.01); G09G 2330/028 (2013.01);
Abstract

Disclosed is a power supply unit including a DC-DC converter including an output terminal and resistor coupling terminal and an external resistor coupled to the resistor coupling terminal, where the DC-DC converter includes a first power generation unit which outputs a predetermined current to the output terminal, and a sensing circuit unit that includes a sensing resistor located between the first power generation unit and the output terminal and stops an operation of the first power generation unit depending on a current value flowing in the sensing resistor. A power supply unit and an organic light emitting display including the power supply unit include a sensing circuit unit that stops operation of the power supply unit to prevent an additional damage when an abnormal current occurs.


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