公开(公告)号：US20250102869A1

公开(公告)日：2025-03-27

申请号：US18795947

申请日：2024-08-06

Applicant: Sharp Display Technology Corporation

Inventor： Katsunori MISAKI

IPC: G02F1/1362 ,  G02F1/1337

Abstract: An array substrate includes a first electrode, a first insulating film disposed on an upper layer side of the first electrode, the first insulating film being provided with an opening at a position overlapping at least the first electrode, a second electrode disposed on an upper layer side of the first insulating film, the second electrode overlapping the first electrode at least in the opening, and being connected to the first electrode, a second insulating film disposed on an upper layer side of the second electrode, and an alignment film disposed on an upper layer side than the second insulating film. The second insulating film includes an insulating portion provided in the opening, and the insulating portion includes a high level portion higher than an opening edge of the opening of the first insulating film.

公开(公告)号：US20240295769A1

公开(公告)日：2024-09-05

申请号：US18431008

申请日：2024-02-02

Applicant: Sharp Display Technology Corporation

Inventor： Keisuke YOSHIDA ,  Satoshi UEDA ,  Katsunori MISAKI

IPC: G02F1/1335

CPC classification number: G02F1/133512 ,  G02F1/133514

Abstract: A display device includes a first color filter, a second color filter, a first pixel electrode, a second pixel electrode, a common electrode, an insulating film, and a light blocking part that is disposed at a boundary between the first color filter and the second color filter. The light blocking part includes a light blocking film, a first transmission film disposed on the upper layer side of the light blocking film, and a reflection/transmission film disposed on the upper layer side of the first transmission film, the light blocking film has a light transmittance lower than light transmittances of the first transmission film and the reflection/transmission film, the first transmission film has the light transmittance higher than that of the reflection/transmission film, and the reflection/transmission film has a light reflectance higher than that of the first transmission film and lower than that of the light blocking film.

公开(公告)号：US20230005968A1

公开(公告)日：2023-01-05

申请号：US17852418

申请日：2022-06-29

Applicant: Sharp Display Technology Corporation

Inventor： Katsunori MISAKI

IPC: H01L27/12 ,  H01L27/146 ,  G02F1/1368

Abstract: Each thin film transistor of an active matrix substrate includes an oxide semiconductor layer, a gate electrode disposed closer to the substrate side of the oxide semiconductor layer, a gate insulating layer, a source electrode, and a drain electrode, wherein the oxide semiconductor layer includes a layered structure including a first layer and a second layer disposed on a part of the first layer and extending across the first layer in a channel width direction when viewed in a normal direction of the substrate, the first layer includes an overlapping portion overlapping with the second layer, and a first portion and a second portion each located on a corresponding one of both sides of the second layer, when viewed in a normal direction of the substrate, the second layer covers an upper surface and a side surface of the overlapping portion of the first layer, the source electrode is electrically connected to at least a part of an upper surface of the first portion, and the drain electrode is electrically connected to at least a part of an upper surface of the second portion.

公开(公告)号：US20240353719A1

公开(公告)日：2024-10-24

申请号：US18588211

申请日：2024-02-27

Applicant: Sharp Display Technology Corporation

Inventor： Katsunori MISAKI

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

CPC classification number: G02F1/136222 ,  G02F1/1368 ,  H01L27/124 ,  H01L27/1259

Abstract: An active matrix substrate includes: a base substrate; a plurality of thin film transistors provided on the base substrate corresponding to a plurality of subpixels; color filters provided on the plurality of thin film transistors, respectively, and including colored layers of predetermined colors corresponding to the plurality of subpixels, respectively; a first transparent electrode provided above the color filters; a second transparent electrode provided on the first transparent electrode with an inorganic protection film interposed therebetween, the second transparent electrode including a slit having a belt shape; and an antireflection layer provided in a belt shape on the inorganic protection film in a boundary portion between the colored layers of different colors among the predetermined colors and including a first metal layer, an intermediate layer, and a second metal layer layered in order. The antireflection layer is provided with a cut-away portion not overlapping an end portion of the slit.

公开(公告)号：US20230367166A1

公开(公告)日：2023-11-16

申请号：US18136275

申请日：2023-04-18

Applicant: Sharp Display Technology Corporation

Inventor： Katsunori MISAKI

IPC: G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/1368 ,  G02F1/136222 ,  G02F1/136209 ,  G02F1/136227

Abstract: A method of manufacturing an active matrix substrate includes forming multiple thin film transistors corresponding to multiple subpixels on a substrate; forming color filters provided with colored layers having predetermined colors disposed on the multiple thin film transistors, respectively, and having contact holes for electrical connection to the multiple thin film transistors, respectively; forming a first transparent electrode by forming a first transparent conductive film above the color filters and patterning the first transparent conductive film; forming an inorganic protection film made of an inorganic insulating film on the first transparent electrode; forming a second transparent conductive film on the inorganic protection film; forming antireflection layers on the second transparent conductive film, each of the antireflection layers formed by layering a metal layer and an inorganic insulating layer and overlapping a boundary portion between the colored layers; and forming a second transparent electrode by patterning the second transparent conductive film.