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Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/149105
Kind Code:
A1
Abstract:
According to the present invention, a wiring line 31 and a wiring line 32 of a display device DSP2 each comprise: a metal wiring part 30A which is formed of a first metal material that is copper or a copper alloy; and a metal wiring part 30B which is electrically connected to the metal wiring part 30A and is formed of a second metal material that is different from the first metal material. The metal wiring part 30B is arranged but the metal wiring part 30A is not arranged in a region R1 that overlaps with a semiconductor layer 50. The metal wiring part 30A and the metal wiring part 30B are arranged in a region R2 which is arranged so as to surround the region R1 without overlapping with the semiconductor layer 50. The metal wiring part 30B arranged in the region R1 is covered with an organic insulating film 40.

Inventors:
IMAZEKI YOSHIKATSU (JP)
KAMIJO YOICHI (JP)
MIYASAKA KOICHI (JP)
OSAWA SHUICHI (JP)
KAMEI YOSHIFUMI (JP)
Application Number:
PCT/JP2022/046742
Publication Date:
August 10, 2023
Filing Date:
December 19, 2022
Export Citation:
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Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G09F9/30; G09F9/33; H01L21/3205; H01L21/768; H01L23/532; H01L29/41; H01L29/417; H01L29/43
Domestic Patent References:
WO2015049818A12015-04-09
WO2015029286A12015-03-05
WO2016084698A12016-06-02
Foreign References:
US20170338211A12017-11-23
JP2015128151A2015-07-09
JP2015119175A2015-06-25
JP2014022492A2014-02-03
JP2009211035A2009-09-17
JPH07114351A1995-05-02
US20140203275A12014-07-24
CN112002764A2020-11-27
CN109786421A2019-05-21
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (JP)
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