公开(公告)号：US11940681B2

公开(公告)日：2024-03-26

申请号：US17839830

申请日：2022-06-14

Applicant: Japan Display Inc.

Inventor： Takuya Nishimoto ,  Hiroki Sugiyama

IPC: G02F1/1333

CPC classification number: G02F1/13332 ,  G02F1/133314

Abstract: A display device includes a front plate, a display panel disposed on a back surface side of the front plate, a backlight disposed on a back surface side of the display panel, a housing that accommodates the backlight, a support member disposed on the back surface side of the front plate and outside the housing, the support member supporting the front plate, and a clamping member clamping an outer edge of the front plate and an outer edge of the support member.

公开(公告)号：US20240099110A1

公开(公告)日：2024-03-21

申请号：US18470437

申请日：2023-09-20

Applicant: Japan Display Inc.

Inventor： Hirofumi MIZUKOSHI ,  Takanobu TAKENAKA ,  Masaru TAKAYAMA ,  Kaichi FUKUDA

IPC: H10K59/80 ,  H10K71/20

CPC classification number: H10K59/879 ,  H10K59/871 ,  H10K71/233

Abstract: According to one embodiment, a manufacturing method of a display device includes preparing a processing substrate by forming a lower electrode, a rib and a partition, forming an organic layer on the lower electrode, forming an upper electrode on the organic layer, forming a first transparent layer on the upper electrode by depositing a first organic material, forming a second transparent layer on the first transparent layer by depositing a second organic material, and depositing the second organic material on each of a plurality of crystal oscillators included in a film thickness measurement device by emitting the second organic material from first and second nozzles of an evaporation source before forming the second transparent layer.

公开(公告)号：US20240094585A1

公开(公告)日：2024-03-21

申请号：US18517743

申请日：2023-11-22

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Yoshihide OHUE ,  Hiroki SUGIYAMA ,  Tomoyuki TADA

IPC: G02F1/1362 ,  G02F1/1334 ,  G02F1/1368

CPC classification number: G02F1/136209 ,  G02F1/1334 ,  G02F1/136227 ,  G02F1/136268 ,  G02F1/1368

Abstract: According to one embodiment, a display device including a first substrate including a first pixel and a second pixel, a second substrate, a liquid crystal layer containing polymer and liquid crystal molecules, and a light emitting element, wherein the second pixel is located between the light emitting element and the first pixel, the first substrate includes a switching element including a semiconductor layer arranged in the first pixel, a pixel electrode, and a first light shielding portion arranged in the second pixel and being adjacent to the semiconductor layer, the first light shielding portion is located between the semiconductor layer and the light emitting element in planar view and located on a side closer to the first pixel than a center of the second pixel.

公开(公告)号：US11937488B2

公开(公告)日：2024-03-19

申请号：US18460690

申请日：2023-09-05

Applicant: Japan Display Inc.

Inventor： Yuko Matsumoto

IPC: H10K59/80 ,  H10K71/20

CPC classification number: H10K59/80524 ,  H10K59/80523 ,  H10K59/871 ,  H10K59/879 ,  H10K71/233

Abstract: According to one embodiment, a manufacturing method of a display device includes preparing a processing substrate by forming a lower electrode, forming a rib, and forming a partition including a lower portion and an upper portion, forming an organic layer on the lower electrode, forming an upper electrode on the organic layer, forming a first transparent layer on the upper electrode, and forming a second transparent layer on the first transparent layer. The first transparent layer and the second transparent layer are formed of organic materials different from each other. A refractive index of the second transparent layer is less than a refractive index of the first transparent layer.

公开(公告)号：US11934062B2

公开(公告)日：2024-03-19

申请号：US18078332

申请日：2022-12-09

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Tenfu Nakamura ,  Kentaro Okuyama

IPC: G02F1/1334 ,  G02F1/1335

CPC classification number: G02F1/1334 ,  G02F1/13345 ,  G02F1/13347 ,  G02F1/133616

Abstract: A display device is providing and includes first substrate including first transparent substrate, and pixel electrode disposed in each of pixels on first transparent substrate; second substrate including second transparent substrate having first and second side surfaces, and common electrode disposed over pixels; and liquid crystal layer disposed between first and second substrates and including stripe-shaped polymer and liquid crystal molecules.

公开(公告)号：US20240090272A1

公开(公告)日：2024-03-14

申请号：US18307817

申请日：2023-04-27

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: According to one embodiment, a method of manufacturing a display device, includes forming a lower electrode on a base, forming a rib which covers a part of the lower electrode, forming a partition including a lower portion disposed on the rib and an upper portion protruding from a side surface of the lower portion, removing the upper portion of at least a part of the partition, measuring a first width of the lower portion of the partition and a second width of the upper portion of the partition and measuring a distance between the side surface of the lower portion and an end portion of the upper portion based on the first and second widths.

公开(公告)号：US20240088302A1

公开(公告)日：2024-03-14

申请号：US18465251

申请日：2023-09-12

Applicant: Japan Display Inc.

Inventor： Takaya TAMARU ,  Masashi TSUBUKU ,  Hajime WATAKABE ,  Toshinari SASAKI

IPC: H01L29/786

CPC classification number: H01L29/7869

Abstract: A semiconductor device according to an embodiment includes: a substrate; a metal oxide layer arranged above the substrate and having aluminum as the main component of the metal oxide layer; an oxide semiconductor layer arranged above the metal oxide layer; a gate electrode facing the oxide semiconductor layer; and a gate insulating layer between the oxide semiconductor layer and the gate electrode, wherein a thickness of the metal oxide layer is 1 nm or more and 4 nm or less.

公开(公告)号：US20240088192A1

公开(公告)日：2024-03-14

申请号：US18515288

申请日：2023-11-21

Applicant: Japan Display Inc.

Inventor： Hajime WATAKABE ,  Akihiro HANADA ,  Marina MOCHIZUKI ,  Ryo ONODERA ,  Fumiya KIMURA ,  Isao SUZUMURA

IPC: H01L27/146

CPC classification number: H01L27/14643 ,  H01L27/1461 ,  H01L27/14636 ,  H01L27/14689

Abstract: The present invention provides a technology which realizes a reliable semiconductor device including a photosensor device by preventing pent roofs of edges of a P+ layer from being generated and a metal wiring installed over the P+ layer from coming down while securing the electrical conductivity of the P+ layer. The semiconductor device includes a photosensor including a photodiode formed on a substrate. The photodiode includes: a cathode electrode; a laminated structure that is formed on the cathode electrode and in which an N+ layer, an I layer, and a P+ layer are laminated in this order; an anode electrode formed on the P+ layer; a first insulating film formed so as to cover a portion of the anode electrode and edges of the laminated structure; and a metal wiring connected to the anode electrode. The edges of the laminated structure are formed in forward tapered shapes in a cross-sectional view.

公开(公告)号：US20240088164A1

公开(公告)日：2024-03-14

申请号：US18244081

申请日：2023-09-08

Applicant: Japan Display Inc

Inventor： Nobutaka OZAKI ,  Yoshitaka OZEKI ,  Koshiro MORIGUCHI

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

CPC classification number: H01L27/124 ,  G02F1/13439 ,  G02F1/136209 ,  G02F1/1368

Abstract: A display device including a plurality of pixels arranged in a matrix on a substrate along a first direction and a second direction intersecting the first direction, wherein each of the plurality of pixels includes a transistor, a first transparent conductive layer arranged over the transistor and electrically connected to the transistor, a first insulating layer arranged over the first transparent conductive layer, a second transparent conductive layer arranged in the first insulating layer and electrically connected to the first transparent conductive layer via an opening extending over the plurality of pixels arranged in line in the first direction, a filling member arranged over the second transparent conductive layer to fill the interior of the opening, a third transparent conductive layer arranged on the first insulating layer and the filling member, and a metal layer in contact with the third transparent electrode.

公开(公告)号：US11930591B2

公开(公告)日：2024-03-12

申请号：US17457059

申请日：2021-12-01

Applicant: Japan Display Inc.

Inventor： Takumi Sano

IPC: H05K1/02

CPC classification number: H05K1/028

Abstract: According to one embodiment, a flexible substrate includes a support plate including a first surface, a line portion located on the first surface and including a first side surface and a second side surface on an opposite side to the first side surface and a protective member which covers the line portion, in contact with the first surface. The line portion includes a flexible insulating base located on the first surface and a wiring layer disposed on the insulating base, the protective member is separated from at least a part of the first side surface via an air layer and from at least a part of the second side surface via an air layer, and the air layers extend along the line portion.