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:
Apr. 19, 2016

Filed:

Oct. 30, 2013
Applicant:

Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;

Inventors:

Ji-Hye Kim, Yongin, KR;

Seung-Kyu Lee, Yongin, KR;

Ki-Myeong Eom, Yongin, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01); G09G 3/32 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3266 (2013.01); G09G 3/3275 (2013.01); G09G 3/3611 (2013.01); G09G 3/3674 (2013.01); G09G 2310/0286 (2013.01);
Abstract

A stage circuit including a plurality of stages connected to each other, where each of the stages includes: an output unit configured to output a voltage of a first power source or a signal of a third input terminal to an output terminal, based on a voltage applied to a first node or a second node; a first driver configured to control a voltage at a third node, based on signals of a first input terminal, a second input terminal and the third input terminal; a second driver configured to control the voltage at the first node, based on the signal of the second input terminal and the voltage at the third node; and a first transistor connected between the second node and the third node and maintained in a turn-on state.


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