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:
Jul. 02, 2024

Filed:

Oct. 28, 2022
Applicant:

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

Inventors:

ChangEun Kim, Seoul, KR;

JoongHa Lee, Paju-si, KR;

WonGyu Jeong, Seoul, KR;

Jinuk Lee, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1368 (2006.01); G02F 1/1333 (2006.01); G02F 1/1343 (2006.01); G02F 1/1362 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1368 (2013.01); G02F 1/133357 (2021.01); G02F 1/133368 (2021.01); G02F 1/13439 (2013.01); G02F 1/136227 (2013.01); H01L 27/1248 (2013.01); G02F 2201/50 (2013.01); G02F 2202/16 (2013.01);
Abstract

According to an aspect of the present disclosure, a liquid crystal display device includes a lower substrate including a black matrix and a color filter; an upper substrate disposed to be opposite to the lower substrate; a thin film transistor which on the upper substrate to be opposite to the color filter, and including a gate electrode, an active layer, a source electrode, and a drain electrode; at least one insulting layer disposed on the thin film transistor; a pixel electrode disposed on the insulating layer and electrically connected to the drain electrode; and a common electrode spaced apart from the pixel electrode, and the gate electrode includes a first gate conductive layer including a transparent conductive material, a second gate conductive layer including a first transition metal oxide and a second transition metal oxide, and a third gate conductive layer formed of an opaque conductive layer.


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