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:
Oct. 07, 2014

Filed:

Oct. 15, 2013
Applicant:

Samsung Display Co., Ltd., Yongin, KR;

Inventors:

Jong-Heon Han, Hwaseong-si, KR;

Seob Shin, Yongin-si, KR;

Jae-Kyoung Kim, Seoul, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G11C 27/04 (2006.01); G11C 19/18 (2006.01); H03K 17/16 (2006.01); G11C 19/28 (2006.01);
U.S. Cl.
CPC ...
G11C 27/04 (2013.01); G09G 2300/0408 (2013.01); G11C 19/18 (2013.01); H03K 17/162 (2013.01); G11C 19/28 (2013.01); G09G 2310/0286 (2013.01); G09G 3/3685 (2013.01); G09G 3/3677 (2013.01);
Abstract

A gate drive circuit includes a plurality of stages connected one after another to each other. Each of the stages includes a charging section, a driving section, a discharging section, a holding section and a holding control section. The driving section pulls up a high level of a first clock signal to output a gate signal. The discharging section discharges a voltage potential of a first node to a first off-voltage. The holding section holds a voltage potential of the first node to the first off-voltage. The holding control section receives the first clock signal and a second clock signal. The holding control section holds a voltage potential of the holding section to a second off-voltage through a second node in accordance with the second clock signal to prevent floating of the holding section.


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