公开(公告)号：US12072595B2

公开(公告)日：2024-08-27

申请号：US18503351

申请日：2023-11-07

Applicant: Japan Display Inc.

Inventor： Akihiro Hanada ,  Toshihide Jinnai ,  Isao Suzumura ,  Hajime Watakabe ,  Ryo Onodera

IPC: G02F1/1368 ,  G02F1/1362 ,  H01L29/786 ,  H10K50/86 ,  H10K59/131

CPC classification number: G02F1/1368 ,  G02F1/136209 ,  G02F1/136277 ,  G02F1/136286 ,  H01L29/78633 ,  H01L29/78672 ,  H10K50/865 ,  H10K59/131

Abstract: A display device including: a substrate; a first thin film transistor of polysilicon semiconductor, a second thin film transistor of oxide semiconductor; a first light shading film opposing to the polysilicon semiconductor, and a second light shading film opposing to the oxide semiconductor; a first insulating film, a second insulating film which is constituted from plural insulating films, and a third insulating film superposed in this order; a first through hole penetrating the second insulating film and not penetrating the first insulating film and the third insulating film; a second through hole penetrating the first insulating film and the third insulating film; the first light shading film connects with a first conductive component, a part of the first conductive component exists on the third insulating film, through the second through hole.

公开(公告)号：US20240280864A1

公开(公告)日：2024-08-22

申请号：US18654148

申请日：2024-05-03

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Hiroyuki ABE ,  Kazune MATSUMURA

IPC: G02F1/1345 ,  G02F1/1362 ,  G09G3/36

CPC classification number: G02F1/13452 ,  G02F1/1345 ,  G02F1/136286 ,  G09G3/3677 ,  G09G2300/0426

Abstract: According to an aspect, a display device includes: a first substrate having a first side and a second side opposed to the first side; a display region provided with pixels; a first partial peripheral region between the first side and the display region; a second partial peripheral region between the second side and the display region; a plurality of signal lines configured to supply signals to switching elements in the pixels; a plurality of first terminals provided in the first partial peripheral region and configured to be electrically coupled to a driver integrated circuit; a plurality of second terminals provided in the second partial peripheral region and configured to be supplied with signals for inspection; and a first coupling circuit provided between the first terminals and the display region in the first partial peripheral region and configured to switch between coupling and decoupling the signal lines and the second terminals.

公开(公告)号：US20240280859A1

公开(公告)日：2024-08-22

申请号：US18650442

申请日：2024-04-30

Applicant: Japan Display Inc.

Inventor： Keisuke TAKANO

IPC: G02F1/1337 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1368

CPC classification number: G02F1/1337 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/1339 ,  G02F1/134309 ,  G02F1/1368 ,  G02F1/133742 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/40 ,  G02F2202/10

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.

公开(公告)号：US12067199B2

公开(公告)日：2024-08-20

申请号：US18347606

申请日：2023-07-06

Applicant: Japan Display Inc.

Inventor： Takumi Sano

IPC: G06F3/044

CPC classification number: G06F3/0443

Abstract: According to an aspect, a touch panel includes, in sequence: a stretchable array substrate; a detection electrode; and a resin plate. The resin plate has a detection surface facing opposite to the detection electrode. The detection surface has a recessed surface. The detection electrode and the recessed surface overlap when viewed in a stacking direction in which the stretchable array substrate, the detection electrode, and the resin plate are stacked.

公开(公告)号：US12067184B2

公开(公告)日：2024-08-20

申请号：US18214023

申请日：2023-06-26

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Koji Ishizaki

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0443 ,  G06F3/0445 ,  G06F3/0446 ,  G06F2203/04112

Abstract: A sensor-equipped display device is provided and includes a display panel and a detection electrode. The panel includes a display area in which pixels are arranged with a first pixel pitch in a first direction and a second pixel pitch in a second direction. The electrode includes an pattern having line fragments. The pattern has connection points at which ends of the fragments are connected to each other, and at least part of the connection points is arranged linearly such that an arrangement gaps thereof in the first and second direction is set to a first and second connection point pitch.

公开(公告)号：US20240276841A1

公开(公告)日：2024-08-15

申请号：US18424909

申请日：2024-01-29

Applicant: Japan Display Inc.

Inventor： Kaichi FUKUDA

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122

CPC classification number: H10K59/873 ,  H10K59/1201 ,  H10K59/122

Abstract: According to one embodiment, a manufacturing method includes preparing a substrate including panel portions and a margin area, forming an organic insulating layer, forming a plurality of lower electrodes, forming a rib, forming a first partition in the margin area, forming a first stacked film including a first organic layer and a first upper electrode, and forming a first sealing layer covering the first stacked film. An end portion of the substrate is spaced apart from an end portion of the first sealing layer. The first stacked film is exposed from the first sealing layer in an area between these end portions.

公开(公告)号：US20240276784A1

公开(公告)日：2024-08-15

申请号：US18437263

申请日：2024-02-09

Applicant: Japan Display Inc.

Inventor： Hayata AOKI ,  Jun NITTA ,  Marina MOCHIZUKI

IPC: H10K59/122

CPC classification number: H10K59/122

Abstract: According to one embodiment, a display device includes a plurality of pixels including a first pixel, a second pixel and a third pixel, each of the plurality of pixels include, an anode, an organic EL layer provided on the anode, at least one set of sidewall pairs provided to cover a side surface of the organic EL layer and a cathode provided in an opening portion of the bank and in contact with the organic EL layer. The at least one set of side wall pairs includes a first sidewall formed of aluminum oxide and a second sidewall formed of silicon nitride. The first pixel includes at least two sets of the side wall pairs, and the second pixel includes at least one set of the sidewall pair.

公开(公告)号：US20240272496A1

公开(公告)日：2024-08-15

申请号：US18637685

申请日：2024-04-17

Applicant: Japan Display Inc.

Inventor： Fumiya KIMURA ,  Isao SUZUMURA

IPC: G02F1/1362 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1368 ,  G03F7/00

CPC classification number: G02F1/136227 ,  G02F1/13394 ,  G02F1/13439 ,  G02F1/136213 ,  G02F1/1368 ,  G02F1/13306 ,  G02F1/133345 ,  G02F1/133514 ,  G03F7/0007

Abstract: A display device is provided and includes a substrate on which a TFT is formed. The display device including an organic film formed on the TFT, the organic film having a through hole, and a first common electrode, an upper pixel electrode and a second common electrode which are stacked in this order above the organic passivation film, a filler being filled in the through hole, and wherein the upper pixel electrode is electrically connected with the TFT, and an edge of the upper pixel electrode is located directly on the filler.

公开(公告)号：US20240272487A1

公开(公告)日：2024-08-15

申请号：US18647842

申请日：2024-04-26

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Takeo KOITO

IPC: G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/133784 ,  G02F1/133788 ,  G02F1/13439

Abstract: A first liquid crystal cell of a plurality of liquid crystal cells of an optical element includes a first alignment film covering first and second transparent electrodes on a first substrate, a second alignment film covering third and fourth transparent electrodes on a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The first liquid crystal cell includes the first and second transparent electrodes extending in a first direction, the third and fourth transparent electrodes extending in a second direction, the first alignment film aligning liquid crystal molecules in the liquid crystal layer in the second direction when no voltages are applied to the first and second transparent electrodes, and the second alignment film aligning liquid crystal molecules in the liquid crystal layer in the second direction when no voltages are applied to the third and fourth transparent electrodes.

公开(公告)号：US20240268188A1

公开(公告)日：2024-08-08

申请号：US18418385

申请日：2024-01-22

Applicant: Japan Display Inc.

Inventor： So NISHIYAMA ,  Sho YANAGISAWA

IPC: H10K59/82 ,  H10K59/80 ,  H10K71/20 ,  H10K71/60

CPC classification number: H10K59/82 ,  H10K59/80521 ,  H10K59/871 ,  H10K71/233 ,  H10K71/60

Abstract: According to one embodiment, a manufacturing method of a display device includes forming an inorganic insulating layer which covers a lower electrode, a feed terminal and a mounting terminal, forming a first aperture from which the feed terminal is exposed in the inorganic insulating layer, forming a partition which is in contact with the feed terminal through the first aperture, forming a second aperture from which the lower electrode is exposed in the inorganic insulating layer, forming an organic layer which is in contact with the lower electrode through the second aperture, and forming an upper electrode which covers the organic layer.