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:
Aug. 16, 2022

Filed:

Aug. 04, 2020
Applicant:

Japan Display Inc., Tokyo, JP;

Inventor:

Kenta Kajiyama, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); G02F 1/1362 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3276 (2013.01); G02F 1/136286 (2013.01);
Abstract

A display device includes: a second wiring layer on the first insulating film, the second wiring layer overlapping with a part of the first pad portion, the second wiring layer including a second pad portion not overlapping with the first line portion; an etching-stop layer overlapping with at least a boundary between the first pad portion and the first line portion; a second insulating film covering the second wiring layer, the second insulating film having a contact hole, the contact hole including a first area where the second insulating film, the first insulating film, and the first pad portion are penetrated, the contact hole including a second area where the second insulating film is penetrated and the second pad portion is a bottom; and a third wiring layer inside the contact hole, the third wiring layer connected to the first pad portion and the second pad portion.


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