公开(公告)号：US12249283B2

公开(公告)日：2025-03-11

申请号：US18407529

申请日：2024-01-09

Applicant: Japan Display Inc.

Inventor： Kazuyoshi Omata ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake

IPC: G09G3/3233 ,  G09G3/32 ,  G09G3/3258 ,  H05B45/60 ,  H10K59/121 ,  H10K59/131 ,  G09G3/20 ,  G09G3/325 ,  H01L27/12 ,  H10K59/123 ,  H10K59/35

Abstract: According to one embodiment, a display apparatus includes a plurality of semiconductor layers, a first insulation film, a first conductive layer, a second insulation film and a display element includes a second conductive layer. The first conductive layer and the second conductive layer are opposed to each other to form a capacitance unit.

公开(公告)号：US11347116B2

公开(公告)日：2022-05-31

申请号：US17349032

申请日：2021-06-16

Applicant: Japan Display Inc.

Inventor： Yoshiro Aoki ,  Hiroyuki Kimura

IPC: G02F1/1343 ,  F21V8/00 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, an electronic device includes a first camera, a first polarizer, a second polarizer, and a liquid crystal panel disposed between the first polarizer and the second polarizer. The liquid crystal panel includes a first scanning line, a first signal line intersecting the first scanning line, a first switching element electrically connected to the first scanning line and the first signal line, and a first control electrode electrically connected to the first switching element. The first control electrode overlaps the first camera, and is disposed in an annular first region.

公开(公告)号：US11322571B2

公开(公告)日：2022-05-03

申请号：US16781009

申请日：2020-02-04

Applicant: Japan Display Inc.

Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa

IPC: H01L27/32 ,  H01L21/66 ,  H01L51/00 ,  H05B33/02 ,  G09F9/00 ,  H05B33/12 ,  G09F9/30 ,  H05B33/10 ,  H05K3/00

Abstract: A multi-piece substrate integrally having a plurality of product regions each provided with a light-emitting element driven by a current and a blank region adjacent to each of the plurality of product regions is prepared. The current is passed through a cathode pad and an anode pad to inspect the light-emitting element. A plurality of display panels are cut out from the multi-piece substrate so as to respectively correspond to the plurality of product regions. The multi-piece substrate includes a plurality of first test pads disposed in each of the plurality of product regions for inspecting the light-emitting element, and a plurality of second test pads disposed in the blank region for inspecting the light-emitting element. The cathode pad and the anode pad are included in the plurality of first test pads and are not included in the plurality of second test pads.

公开(公告)号：US10854140B2

公开(公告)日：2020-12-01

申请号：US16394113

申请日：2019-04-25

Applicant: Japan Display Inc.

Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake ,  Yasuhiro Ogawa

IPC: H01L27/32 ,  H01L29/786 ,  H01L51/50 ,  H01L51/52 ,  G09G3/3233 ,  G02F1/1345 ,  H01L27/12 ,  G02F1/1362

Abstract: Disclosed is a display device including: a driving transistor, a first switching transistor, and a pixel transistor each having a gate and a pair of terminals; a storage capacitor having a pair of terminals; and a light-emitting element having an input terminal and an output terminal. One terminal of the driving transistor is electrically connected to one terminal of the pixel transistor. The other terminal of the driving transistor is electrically connected to one terminal of the first switching transistor and the input terminal of the light-emitting element. The other terminal of the first switching transistor is electrically connected to the gate of the driving transistor and one terminal of the capacitor. The one terminal of the capacitor overlaps with an active region of the driving transistor.

公开(公告)号：US20200175915A1

公开(公告)日：2020-06-04

申请号：US16784693

申请日：2020-02-07

Applicant: Japan display Inc.

Inventor： Kazuyoshi OMATA ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake

IPC: G09G3/325 ,  G09G3/32 ,  H05B33/08 ,  H01L27/32 ,  G09G3/3233 ,  H05B45/20 ,  H05B45/00 ,  G09G3/20 ,  G09G3/3258

Abstract: According to one embodiment, a display apparatus includes a plurality of semiconductor layers, a first insulation film, a first conductive layer, a second insulation film and a display element includes a second conductive layer. The first conductive layer and the second conductive layer are opposed to each other to form a capacitance unit.

公开(公告)号：US20200035771A1

公开(公告)日：2020-01-30

申请号：US16593069

申请日：2019-10-04

Applicant: Japan Display Inc.

Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake ,  Yasuhiro Ogawa

IPC: H01L27/32 ,  H01L27/12 ,  H01L29/417 ,  H01L29/786

Abstract: Provided is a display device including a plurality of pixels at least one of which has a first transistor and a light-emitting element. The first transistor includes a gate electrode, a gate insulating film over the gate electrode, an oxide semiconductor film over the gate insulating film, and a first terminal and a second terminal electrically connected to the semiconductor film. The second terminal is electrically connected to the light-emitting element. A region in which the first terminal overlaps with the gate electrode can be smaller than a region in which the second terminal overlaps with the gate electrode.

公开(公告)号：US10475388B2

公开(公告)日：2019-11-12

申请号：US16264770

申请日：2019-02-01

Applicant: Japan Display Inc.

Inventor： Hiroyuki Kimura ,  Seiichiro Jinta

IPC: G06F3/038 ,  G09G3/3258

Abstract: A light emitting element display device with a narrow frame and high light emission efficiency is provided even when high definition is achieved. The light emitting element display device includes: a light emitting element which emits light at each of a plurality of subpixels forming one pixel; a drive transistor in which one of a source and a drain is connected to an anode of the light emitting element; and an output control circuit which selectively sets the other of the source and the drain of the drive transistor into one of a state of being connected to a power-supply voltage, a state of being connected to a reset voltage that is a lower voltage than the power-supply voltage, and a high-impedance state of not being connected to any of these voltages.

公开(公告)号：US20190051593A1

公开(公告)日：2019-02-14

申请号：US16058405

申请日：2018-08-08

Applicant: Japan Display Inc.

Inventor： Hiroyuki Kimura ,  Yasuhito Aruga ,  Hideaki Abe ,  Hitoshi Kawaguchi

IPC: H01L23/498 ,  H01L27/12 ,  H01L27/32 ,  G02F1/1368 ,  G02F1/1362 ,  H01L23/00 ,  G02F1/1333 ,  G02F1/1345

Abstract: According to one embodiment, a display device includes a first signal wiring disposed on an insulating substrate, a base substrate, a first connection wiring on the base substrate and a conductive adhesive member which electrically connects the first signal wiring and the first connection wiring, wherein the base substrate includes a first end surface overlapping the first signal wiring, the insulating substrate includes a second end surface overlapping the first connection wiring, the first connection wiring has a first width in a position overlapping the first end surface and a second width in a position overlapping the second end surface, and the first width is less than the second width.

公开(公告)号：US10170040B2

公开(公告)日：2019-01-01

申请号：US15709661

申请日：2017-09-20

Applicant: Japan Display Inc.

Inventor： Yasuhiro Ogawa ,  Hiroshi Tabatake ,  Hiroyuki Kimura ,  Tetsuo Morita ,  Makoto Shibusawa

IPC: G09G3/3233 ,  G02F1/1343 ,  G09G3/3258 ,  G09G3/20 ,  G02F1/1362

Abstract: A display device includes a switching element having a first input/output terminal electrically connected to a first signal line, a first wiring electrically connected to a second input/output terminal of the switching element, a transistor having a gate electrode connected to the first wiring, a second wiring electrically connected to a source or drain of the transistor, a pixel electrode connected to the second wiring, a first insulating layer which is arranged between the first wiring and the second wiring and is arranged between the first wiring and the pixel electrode, a second insulating layer between the first insulating layer and pixel electrode, and a conducting layer between the first insulating layer and the second insulating layer, the conducting layer including a region overlapping the pixel electrode. The conducting layer includes a dividing groove dividing the conducting layer into a plurality of regions at a region overlapping the pixel electrode.

公开(公告)号：US10050094B2

公开(公告)日：2018-08-14

申请号：US15496043

申请日：2017-04-25

Applicant: Japan Display Inc.

Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake ,  Yasuhiro Ogawa

IPC: H01L27/15 ,  H01L21/00 ,  H01L27/32 ,  H01L29/786

Abstract: Provided is a display device including a plurality of pixels at least one of which has a first transistor and a light-emitting element. The first transistor includes a gate electrode, a gate insulating film over the gate electrode, an oxide semiconductor film over the gate insulating film, and a first terminal and a second terminal electrically connected to the semiconductor film. The second terminal is electrically connected to the light-emitting element. A region in which the first terminal overlaps with the gate electrode can be smaller than a region in which the second terminal overlaps with the gate electrode.