公开(公告)号：US20220344423A1

公开(公告)日：2022-10-27

申请号：US17432406

申请日：2019-02-27

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  TAKESHI YANEDA

IPC: H01L27/32 ,  H01L29/786

Abstract: In a TFT layer forming step, first, a semiconductor layer on a resin substrate is formed by performing a semiconductor layer forming step, and subsequently a gate insulating film is formed to cover the semiconductor layer by performing a gate insulating film forming step, and then a first metal layer is formed by performing a first metal film deposition step, a first photo step, and a first etching step, and a second metal layer is formed by performing a second metal film deposition step, a second photo step, and a second etching step, thereby forming a gate layer in which the first metal layer and the second metal layer are layered.

公开(公告)号：US20220149121A1

公开(公告)日：2022-05-12

申请号：US17435277

申请日：2019-03-01

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  RYOSUKE GUNJI ,  SHINSUKE SAIDA ,  SHINJI ICHIKAWA ,  HIROHARU JINMURA ,  YOSHIHIRO NAKADA ,  AKIRA INOUE ,  TAKESHI YANEDA

IPC: H01L27/32

Abstract: A separation wall is provided in a frame-like shape along a peripheral edge of a through-hole in a non-display region which is defined to be in an island shape inside a display region and in which the through-hole is formed, the separation wall includes an inner metal layer provided in a frame-like shape on a first inorganic insulating film on a side of the through-hole, and a resin layer provided in a frame-like shape on the first inorganic insulating film and the inner metal layer, and the resin layer includes an inner protrusion portion provided in an eaves shape and protruding from the inner metal layer.

公开(公告)号：US20210327996A1

公开(公告)日：2021-10-21

申请号：US17271012

申请日：2018-08-31

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  TAKESHI YANEDA

IPC: H01L27/32 ,  H01L29/786

Abstract: A display device includes a short ring TFT, wherein the short ring TFT includes a semiconductor layer, a first gate electrode, a second gate electrode, a first gate insulating film provided between the semiconductor layer and the first gate electrode, and a second gate insulating film provided between the semiconductor layer and the second gate electrode, one of a pair of adjacent lead-out wiring lines is electrically connected to a source region of the semiconductor layer, the other of the pair of adjacent lead-out wiring lines is electrically connected to a drain region of the semiconductor layer, one of the first gate electrode and the second gate electrode is electrically connected to the source region or the drain region, and the other of the first gate electrode and the second gate electrode is electrically connected to a threshold value control wiring line.

公开(公告)号：US20210288129A1

公开(公告)日：2021-09-16

申请号：US17264162

申请日：2018-07-30

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  SHINSUKE SAIDA ,  SHINJI ICHIKAWA ,  HIROKI TANIYAMA ,  RYOSUKE GUNJI ,  KOHJI ARIGA ,  YOSHIHIRO NAKADA ,  KOJI TANIMURA ,  YOSHIHIRO KOHARA ,  HIROHARU JINMURA ,  AKIRA INOUE

IPC: H01L27/32

Abstract: A display device includes: a plurality of control lines; a plurality of power supply lines; a plurality of data signal lines; an oxide semiconductor layer; a first metal layer; a gate insulation film; a first inorganic insulation film; a second metal layer; a second inorganic insulation film; and a third metal layer. The oxide semiconductor layer, in a plan view, contains therein insular semiconductor lines between a plurality of drivers and a display area. The semiconductor lines cross the plurality of control lines and the plurality of power supply lines, are in contact with the plurality of control lines via an opening in a gate insulation film, are in contact with the plurality of power supply lines via an opening in the first inorganic insulation film, and have a plurality of waisted portions.

公开(公告)号：US20210083226A1

公开(公告)日：2021-03-18

申请号：US16961445

申请日：2018-01-18

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  SHINSUKE SAIDA ,  HIROKI TANIYAMA ,  SHINJI ICHIKAWA ,  RYOSUKE GUNJI ,  YOSHIHIRO NAKADA ,  AKIRA INOUE ,  HIROHARU JINMURA

IPC: H01L51/52 ,  H01L51/56

Abstract: The disclosure has an object to achieve a high level of height precision for spacers on a back plane. A display device includes: edge covers having a plurality of openings in which first electrodes are exposed; and a planarization film having first flat portions, second flat portions, and contact holes. The plurality of openings respectively overlap the first flat portions in a plan view. The second flat portions are located between the plurality of openings in a plan view. Each edge cover overlapping one of the first flat portions in a plan view has, on a second electrode side, a surface that has a first height from a bottom surface of the planarization film on a substrate side. Each second flat portion has, on the second electrode side, a surface that has a second height from the bottom surface. The first height is smaller than the second height.

公开(公告)号：US20210066440A1

公开(公告)日：2021-03-04

申请号：US16964852

申请日：2018-01-31

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  RYOSUKE GUNJI ,  HIROKI TANIYAMA ,  SHINJI ICHIKAWA ,  TAKESHI YANEDA ,  HIROHARU JINMURA ,  YOSHIHIRO NAKADA ,  AKIRA INOUE

IPC: H01L27/32

Abstract: A slit has ends each close to one of a display area and a terminal. The ends are each formed of a stepwise side face, including etch stop films.

公开(公告)号：US20210013299A1

公开(公告)日：2021-01-14

申请号：US17041930

申请日：2018-03-26

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  SHINSUKE SAIDA ,  SHINJI ICHIKAWA ,  HIROKI TANIYAMA ,  RYOSUKE GUNJI ,  KOHJI ARIGA ,  YOSHIHIRO NAKADA ,  KOJI TANIMURA ,  YOSHIHIRO KOHARA ,  HIROHARU JINMURA ,  AKIRA INOUE

IPC: H01L27/32

Abstract: In a step of forming a plurality of control lines composed of a first metal layer a first metal layer branch line is formed. In a step of forming a plurality of power source lines composed of a second metal layer a second metal layer connecting portion is formed that connects each power source line with the first metal layer branch line via an opening of a first insulating film. In a step of forming a plurality of data signal lines composed of a third metal layer that is formed on a second insulating film the first metal layer branch line formed in the opening of the first insulating and the second metal layer connecting portion formed in an opening of the second insulating film are etched.

公开(公告)号：US20200373367A1

公开(公告)日：2020-11-26

申请号：US16961215

申请日：2018-01-11

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  RYOSUKE GUNJI ,  HIROKI TANIYAMA ,  SHINSUKE SAIDA ,  SHINJI ICHIKAWA ,  YOSHIHIRO NAKADA ,  HIROHARU JINMURA ,  AKIRA INOUE

IPC: H01L27/32

Abstract: A display device includes: a semiconductor film; an inorganic insulating film overlying the semiconductor film; and light-emitting elements overlying the inorganic insulating film, each of the light-emitting elements including a first electrode and a second electrode, wherein the inorganic insulating film has a contact hole there through, and a portion of the first electrode overlaps the contact hole so that the portion of the first electrode is in contact with the semiconductor film in the contact hole.

公开(公告)号：US20180210306A1

公开(公告)日：2018-07-26

申请号：US15743068

申请日：2016-07-07

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  HIROHIKO NISHIKI ,  TAKESHI HARA ,  TOMOHIRO KOSAKA ,  IZUMI ISHIDA ,  SHOGO MURASHIGE

IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1368 ,  H01L27/12

CPC classification number: G02F1/136286 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/133512 ,  G02F1/134309 ,  G02F1/136209 ,  G02F1/1368 ,  H01L27/124 ,  H01L27/3272 ,  H01L27/3276 ,  H05B33/02 ,  H05B33/10

Abstract: An active matrix substrate includes an insulating substrate 100 in which light-transmitting areas and a light-shielding area are formed. The active matrix substrate further includes: a light-shielding film 201 formed in the light-shielding area on the insulating substrate 100, with a transparent base material containing carbon particles, the light shielding film being colored with the carbon particles; an inorganic film 202 formed on the light-shielding film; light-transmitting films 204 formed in the light-transmitting areas on the insulating substrate, with a transparent base material containing transparent oxidized carbon particles; gate lines 111 provided on the inorganic film; a gate insulating film 101 provided on the gate lines; thin film transistors 300 provided in matrix on the gate insulating film; and data lines provided on the light-shielding film to intersect with the gate lines. The data lines are electrically connected with the thin film transistors 300.

公开(公告)号：US20250063889A1

公开(公告)日：2025-02-20

申请号：US18935923

申请日：2024-11-04

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TOHRU OKABE ,  RYOSUKE GUNJI ,  SHINSUKE SAIDA ,  SHINJI ICHIKAWA ,  HIROHARU JINMURA ,  YOSHIHIRO NAKADA ,  AKIRA INOUE ,  TAKESHI YANEDA

IPC: H10K59/00 ,  H10K59/124 ,  H10K59/131

Abstract: A separation wall is provided in a frame-like shape along a peripheral edge of a through-hole in a non-display region which is defined to be in an island shape inside a display region and in which the through-hole is formed, the separation wall includes an inner metal layer provided in a frame-like shape on a first inorganic insulating film on a side of the through-hole, and a resin layer provided in a frame-like shape on the first inorganic insulating film and the inner metal layer, and the resin layer includes an inner protrusion portion provided in an eaves shape and protruding from the inner metal layer.