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. 16, 2025

Filed:

Sep. 20, 2024
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Min June Jang, Paju-si, KR;

Hong Jae Shin, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2016.01); G09G 3/3208 (2016.01); G09G 3/3266 (2016.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/32 (2013.01); G09G 3/3208 (2013.01); G09G 3/3266 (2013.01); G09G 3/3674 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/02 (2013.01); G09G 2310/0202 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0283 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/08 (2013.01); G09G 2320/043 (2013.01);
Abstract

A display device can include a display panel with a plurality of sub-pixels disposed therein, and a gate driving circuit configured to output a gate signal to the plurality of sub-pixels. The gate driving circuit includes a pull-up transistor controlled by a voltage level of a Q-node, a pull-down transistor configured by a voltage level of a QB-node, a dual carry circuit configured to output a forward carry signal in accordance with the voltage levels of the Q-node and the QB-node in forward driving and output a backward carry signal in accordance with the voltage levels of the Q-node and the QB-node in backward driving, and a clock input circuit configured to apply a forward clock signal to the Q-node when a forward start signal is input and apply a backward clock signal to the Q-node when a backward start signal is input.


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