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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.

Patent No.:

US 11131895 B1

PDFFull Text
Date of Patent:
Sep. 28, 2021

Filed:

Mar. 06, 2020

Display device

Applicant:

Sharp Kabushiki Kaisha, Sakai, JP;

Inventor:

Kohhei Tanaka, Sakai, JP;

Assignee:

SHARP KABUSHIKI KAISHA, Sakai, JP;

Attorney:

Keating & Bennett, LLP

Primary Examiner:

Charles S Chang

Int. Cl.
CPC ...
G02F 1/1368 (2006.01); G02F 1/1362 (2006.01); G02F 1/1333 (2006.01); G02F 1/1343 (2006.01); H01L 27/32 (2006.01); H01L 51/52 (2006.01); H01L 27/12 (2006.01); H01L 29/24 (2006.01); H01L 29/786 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1368 (2013.01); G02F 1/13338 (2013.01); G02F 1/13439 (2013.01); G02F 1/133345 (2013.01); G02F 1/134309 (2013.01); G02F 1/136227 (2013.01); G02F 1/136286 (2013.01); H01L 27/322 (2013.01); H01L 27/323 (2013.01); H01L 27/3248 (2013.01); H01L 27/3258 (2013.01); H01L 27/3276 (2013.01); H01L 51/5206 (2013.01); G02F 1/136222 (2021.01); G02F 2201/121 (2013.01); G02F 2202/10 (2013.01); H01L 27/124 (2013.01); H01L 27/1225 (2013.01); H01L 27/1248 (2013.01); H01L 29/24 (2013.01); H01L 29/7869 (2013.01);
Abstract

A display device includes: an active matrix substrate including pixels arrayed in a matrix shape including rows and columns, and scanning wiring lines extending in a row direction and signal wiring lines extending in a column direction, wherein the active matrix substrate includes, in each of pixels, a TFT, a pixel electrode formed of a transparent conductive material and electrically connected to the TFT, a color filter located between the TFT and the pixel electrode, and a connecting electrode formed of a transparent conductive material and electrically connecting the TFT to the pixel electrode, the color filter includes a first color filter layer provided on the TFT and including a first contact hole, and a second color filter layer provided on the first color filter layer and including a second contact hole, and the first contact hole and the second contact hole do not overlap with each other.

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