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. 19, 2021

Filed:

Jul. 05, 2019
Applicant:

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

Inventors:

Yewon Hong, Seoul, KR;

JungHyun Lee, Seoul, KR;

TaeWoong Moon, Gyeonggi-do, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G09G 3/3275 (2016.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G09G 3/3275 (2013.01); G09G 3/3688 (2013.01); G09G 2310/0297 (2013.01); G09G 2310/08 (2013.01);
Abstract

A demultiplexer for sequentially outputting a data signal to a plurality of data lines disposed in a display panel can include a first switch connected to a first control node, the first switch being configured to electrically connect a first channel with a first data line among the plurality of data lines; a second switch connected to a second control node, the first switch being configured to electrically connect the first channel with a second data line among the plurality of data lines; a third switch connected to a third control node, the third switch being configured to electrically connect a second channel with a third data line among the plurality of data lines; and a fourth switch connected to a fourth control node, the fourth switch being configured to electrically connect the second channel with a fourth data line among the plurality of data lines, in which the first control node and the third control node are configured to receive a single first control signal, and be electrically disconnected from each other at a point in time, the second control node and the fourth control node are configured to receive a single second control signal, and be electrically disconnected from each other at a point in time, and the first control node and the third control node have different voltage conditions than the second control node and the fourth control node.


Find Patent Forward Citations

Loading…