公开(公告)号：US20210265540A1

公开(公告)日：2021-08-26

申请号：US17316938

申请日：2021-05-11

Applicant: Japan Display Inc.

Inventor： Osamu ITOU ,  Masanobu IKEDA

IPC: H01L33/60 ,  H01L25/16 ,  H01L33/62 ,  H01L33/46 ,  H01L33/50 ,  H01L33/54

Abstract: A display device comprising: a first substrate; a plurality of pixels provided to the first substrate; a light emitting element provided to each of the pixels; a phosphor layer covering at least an upper surface of the light emitting element; a first reflective layer facing a side surface of the light emitting element; and a second reflective layer provided to a side surface of the phosphor layer, separated from the first reflective layer in a normal direction of the first substrate, and disposed farther away from the first substrate than the first reflective layer.

公开(公告)号：US20210265530A1

公开(公告)日：2021-08-26

申请号：US17240469

申请日：2021-04-26

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Osamu ITO ,  Yasuhiro KANAYA ,  Tadafumi OZAKI

IPC: H01L33/32 ,  H01L25/075 ,  H01L33/06

Abstract: According to an aspect, a display device includes: a substrate; a plurality of pixels provided on the substrate; and a first light emitting element and a second light emitting element that are included in each of the pixels. A light emitting layer of the first light emitting element includes gallium nitride to which europium is added, and a light emitting layer of the second light emitting element includes a multi-quantum well structure in which indium gallium nitride and gallium nitride are layered.

公开(公告)号：US20210167266A1

公开(公告)日：2021-06-03

申请号：US17148845

申请日：2021-01-14

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Yasuhiro KANAYA

IPC: H01L33/64 ,  H01L25/16 ,  H01L33/62 ,  H01L33/44

Abstract: A display device comprising: a substrate having a first surface and a second surface opposite to the first surface; a plurality of pixels arrayed in a display region of the substrate; an inorganic light-emitting element provided to each of the pixels on the first surface of the substrate; cathode wiring provided in a peripheral region between the display region and an end of the substrate on the first surface of the substrate and electrically coupled to the inorganic light-emitting element; and a heat radiator provided on the second surface of the substrate, wherein the substrate has a through hole that connects the first surface with the second surface in the peripheral region of the substrate and overlaps the cathode wiring in planar view viewed from a direction perpendicular to the first surface of the substrate.

公开(公告)号：US20210104505A1

公开(公告)日：2021-04-08

申请号：US17103341

申请日：2020-11-24

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Yasuhiro KANAYA ,  Tadafumi OZAKI

IPC: H01L25/16

Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixels arrayed on the substrate; a plurality of inorganic light-emitting elements that are provided in the pixels, respectively; a transistor provided to a first surface of the substrate and coupled to one of the inorganic light-emitting elements; wiring provided to the first surface of the substrate and coupled to the transistor; and a circular polarization plate provided on a first side of the substrate.

公开(公告)号：US20210082996A1

公开(公告)日：2021-03-18

申请号：US17104842

申请日：2020-11-25

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Yasuhiro KANAYA

IPC: H01L27/15 ,  H01L33/58 ,  H01L33/48 ,  H01L33/62

Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixels disposed on the substrate; a plurality of inorganic light emitting elements that are provided in the pixels, respectively; an electrode that is translucent and provided on one surface side of the substrate and that is coupled to one of the inorganic light emitting elements; a first conductive layer that is translucent and provided on the one surface side of the substrate and that covers the electrode; and a cover member that is translucent and provided on the one surface side of the substrate and that covers the first conductive layer. A sheet resistance value of the first conductive layer is higher than a sheet resistance value of the electrode.

公开(公告)号：US20200096812A1

公开(公告)日：2020-03-26

申请号：US16698281

申请日：2019-11-27

Applicant: Japan Display Inc.

Inventor： Shoji HINATA ,  Shuichi OSAWA ,  Yoshikatsu IMAZEKI ,  Yoichi KAMIJO ,  Yoshihiro WATANABE ,  Masanobu IKEDA ,  Toyohiro SAKAI

IPC: G02F1/1335 ,  G02F1/1362 ,  G02F1/1339

Abstract: According to one embodiment, a display device includes a first substrate including a first basement and a first terminal, a second substrate including a second basement opposing the first terminal and spaced from the first terminal, and a second terminal, and includes a first hole penetrating the second basement, a connection member formed through the first hole, which electrically connects the first terminal and the second terminal to each other, and a light-shielding member which covers the connection member.

公开(公告)号：US20180284513A1

公开(公告)日：2018-10-04

申请号：US15938622

申请日：2018-03-28

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Masanobu IKEDA

IPC: G02F1/1333 ,  G02F1/1339 ,  G02F1/1345 ,  G06F3/044

Abstract: According to one embodiment, a display device comprises a first substrate includes a first area, a second area adjacent to the first area, and a first terminal portion located in the first area, and a second substrate includes an edge including a linear portion located between the first area and the second area, the second substrate overlapping the second area, wherein the second substrate further comprises a protruding portion protruding than the linear portion and a second terminal portion located in the protruding portion, and the display device further comprises a holding layer holding a gap between the second area and the protruding portion.

公开(公告)号：US20170357345A1

公开(公告)日：2017-12-14

申请号：US15498783

申请日：2017-04-27

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Hayato KURASAWA

IPC: G06F3/044 ,  G06F3/041 ,  H01L27/32

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F2203/04103 ,  G06F2203/04108 ,  G06F2203/04111 ,  H01L27/323 ,  H01L27/3246 ,  H01L27/3276

Abstract: A display device includes: a first substrate; a second substrate opposed to the first substrate; a display functional layer arranged between the first substrate and the second substrate to display an image in a display region; a first electrode layer that is arranged in the display region and includes a plurality of first electrodes for detecting contact or proximity of an external object; a second electrode arranged between the first substrate and the second substrate to be opposed to the first electrodes; a plurality of third electrodes that are arranged between the first substrate and the second substrate and receive a pixel signal; and an insulating layer covering the first electrode layer. In the insulating layer, a relative dielectric constant of a portion superimposed on the first electrodes is different from a relative dielectric constant of a portion not superimposed on the first electrodes at least in the display region.

公开(公告)号：US20250146127A1

公开(公告)日：2025-05-08

申请号：US19017901

申请日：2025-01-13

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA

IPC: C23C14/58 ,  C03C17/22 ,  C23C14/06 ,  C23C14/34 ,  C23C14/50 ,  C23C14/54 ,  H01J37/32 ,  H01J37/34 ,  H01L21/02

Abstract: A film formation apparatus includes a vacuum chamber, a substrate support portion for supporting a substrate, a target support portion for supporting a target containing nitrogen and gallium, a sputtering gas supply unit for supplying a sputtering gas, a sputtering power source for applying a voltage to the target, a first radical supply source for supplying nitrogen radicals and hydrogen radicals, and a control unit. The control unit controls the sputtering gas supply unit, the sputtering power source, and the first radical supply source so that a first period in which the sputtering gas, the nitrogen radicals, and the hydrogen radicals are supplied to the vacuum chamber and a voltage is applied to the target and a second period in which the nitrogen radicals and the hydrogen radicals are not supplied to the vacuum chamber and a voltage is applied to the target are repeated.

公开(公告)号：US20240334743A1

公开(公告)日：2024-10-03

申请号：US18739654

申请日：2024-06-11

Applicant: Japan Display Inc.

Inventor： Yasuhiro KANAYA ,  Masanobu IKEDA

IPC: H10K59/121 ,  H10K59/12 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/1213 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: According to one embodiment, a display panel includes a substrate, a first insulating layer, and a plurality of pixels including sub-pixels of a plurality of colors, respectively. Each of the sub-pixels includes a drive transistor, a pixel electrode supplied with a signal having a current value controlled from the drive transistor, and a light emitting element mounted on the pixel electrode. Each of the pixels includes a mounting electrode located to be spaced apart from the pixel electrode. The mounting electrode is in an electrically floating state in a first pixel of the plurality of pixels.