Invention Grant
- Patent Title: Display device having through holes without overhang in cross section
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Application No.: US17074980Application Date: 2020-10-20
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Publication No.: US11774811B2Publication Date: 2023-10-03
- Inventor: Hidetatsu Nakamura , Yasuhiro Kanaya , Gen Koide , Hiroyuki Abe
- Applicant: Japan Display Inc.
- Applicant Address: JP Tokyo
- Assignee: Japan Display Inc.
- Current Assignee: Japan Display Inc.
- Current Assignee Address: JP Tokyo
- Agency: Michael Best & Friedrich LLP
- Priority: JP 18086372 2018.04.27
- Main IPC: G02F1/1345
- IPC: G02F1/1345 ; G02F1/1333 ; G02F1/1362 ; H01L23/60 ; H01L27/12 ; G02F1/1343

Abstract:
The purpose of the present invention is to prevent an overhang in a through hole in the display area when through holes in the organic passivation film in the display area and in the terminal area are simultaneously formed. The structure to realize this purpose is as follows: the terminal area having a lead wire, formed from a first metal, and extending to the display area, a first insulating film covering the lead wire, a second metal formed on the first insulating film, and a third metal formed on the surface of the second metal, wherein the first insulating film has a first through hole and a second through hole, the second metal has a first portion that connects with the lead wire via the first through hole, the second metal has a second portion that overlaps the second through hole, the second portion is separated from the first portion.
Public/Granted literature
- US20210036031A1 DISPLAY DEVICE Public/Granted day:2021-02-04
Information query
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