公开(公告)号：US20240315085A1

公开(公告)日：2024-09-19

申请号：US18582879

申请日：2024-02-21

Applicant: Japan Display Inc.

Inventor： Kazumi IIZAWA ,  Ryota TAKASAKI ,  Sho YANAGISAWA

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/131

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/131

Abstract: According to one embodiment, a mother substrate includes a substrate including a linear first side, a plurality of panel portions, a margin portion provided on an external side relative to the panel portions, and a first partition including a first lower portion provided in the margin portion, and a first upper portion provided on the first lower portion and protruding from a side surface of the first lower portion. The first partition has a shape which is not orthogonal to an extension direction of the first side.

公开(公告)号：US20240313004A1

公开(公告)日：2024-09-19

申请号：US18673892

申请日：2024-05-24

Applicant: Japan Display Inc.

Inventor： Daichi HOSOKAWA ,  Naoki MIYANAGA ,  Masakatsu KITANI

IPC: H01L27/12 ,  G02F1/1362 ,  G09G3/36 ,  H10K59/131

CPC classification number: H01L27/124 ,  G02F1/136286 ,  G09G3/3674 ,  G09G3/3677 ,  G02F2201/56 ,  G09G2300/0426 ,  G09G2310/0232 ,  G09G2320/0233 ,  H10K59/131

Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.

公开(公告)号：US20240306435A1

公开(公告)日：2024-09-12

申请号：US18599269

申请日：2024-03-08

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE ,  Sho YANAGISAWA

IPC: H10K59/122 ,  G09G3/3225

CPC classification number: H10K59/122 ,  G09G3/3225 ,  G09G2300/0842

Abstract: According to one embodiment, a motherboard for display device includes a plurality of panel portions each including a display area where a plurality of display elements are arranged, a margin area around the plurality of panel portions and an alignment mark arranged in the margin area. The panel portion includes an organic insulating layer, a lower electrode, an upper electrode, and an organic layer that emits light in accordance with a potential difference between the lower electrode and the upper electrode. The organic insulating layer extends from the display area to the margin area. The organic insulating layer arranged in the margin area and an inorganic insulating layer covering the organic insulating layer are arranged above the alignment mark.

公开(公告)号：US12087883B2

公开(公告)日：2024-09-10

申请号：US17588431

申请日：2022-01-31

Applicant: Japan Display Inc.

Inventor： Hidemasa Yamaguchi ,  Masanobu Ikeda

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/10 ,  H01L33/38

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/10 ,  H01L33/62

Abstract: According to one embodiment, a display device includes a substrate, an anode electrode, a light emitting element and a reflector plate. The anode electrode is arranged on the substrate. The light emitting element is mounted on the anode electrode. The reflector plate is arranged under the anode electrode, and is arranged to overlap a region where the light emitting element is mounted, in planar view. An anode terminal is arranged on a bottom part and electrically connected to the anode electrode. A cathode terminal is arranged across an entire upper surface on a side opposite to the anode terminal. The anode electrode being smaller than the cathode terminal in a position overlapping the region where the light emitting element is mounted in planar view.

公开(公告)号：US12085810B2

公开(公告)日：2024-09-10

申请号：US18314135

申请日：2023-05-09

Applicant: Japan Display Inc.

Inventor： Yuta Wakabayashi ,  Yasuyuki Hanazawa ,  Michikazu Noguchi ,  Hiromichi Tanaka

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/13357

CPC classification number: G02F1/133628 ,  G02F1/133331 ,  G02F1/133385 ,  G02F1/1334 ,  G02F1/133615 ,  G02F1/133322 ,  G02F2201/07 ,  G02F2203/01

Abstract: The following structure mitigates problems caused by heat generated by the LED and the driver IC. A liquid crystal display device including a liquid crystal display panel in which liquid crystal is sandwiched between a TFT substrate, having a pixel, and a counter substrate including: a display area being formed in an area in which the TFT substrate and the counter substrate overlap each other, a terminal area being formed on the TFT substrate, in which the counter substrate does not overlap, the terminal area being formed along a first side of the counter substrate which extends in a first direction, a second cover glass being disposed on the counter substrate, and a first cover glass being disposed under the TFT substrate, in which a width of the first cover glass in the first direction is larger than a width of the second cover glass in the first direction.

公开(公告)号：US12085748B2

公开(公告)日：2024-09-10

申请号：US18498098

申请日：2023-10-31

Applicant: Japan Display Inc.

Inventor： Keiji Tago

IPC: F21V8/00 ,  G02B27/01 ,  G02F1/13357

CPC classification number: G02B6/0068 ,  G02B27/0172 ,  G02F1/1336 ,  G02F2203/01

Abstract: A display apparatus includes: a first substrate having a first front surface and a first back surface that is an opposite surface of the first front surface; a liquid crystal layer arranged on the first front surface of the first substrate; a light guide plate having a first main surface facing the first front surface, a second main surface that is an opposite surface of the first main surface and a side surface crossing the first main surface and the second main surface; and a light source unit including a plurality of light emitting elements arranged along a first direction at a position facing the side surface of the light guide plate, and a light emitting surface of the light source unit is arranged to have a different direction from a direction of the side surface of the light guide plate in a thickness direction of the light guide plate.

公开(公告)号：US20240295435A1

公开(公告)日：2024-09-05

申请号：US18585142

申请日：2024-02-23

Applicant: Japan Display Inc.

Inventor： Motochika YUKAWA

IPC: G01J1/44 ,  A61B5/00 ,  G01J1/04

CPC classification number: G01J1/44 ,  G01J1/0407 ,  A61B5/0059 ,  G01J2001/446

Abstract: A sensing device 1 includes a light detection sensor that includes a lower electrode, an organic layer provided above the lower electrode, and an upper electrode provided above the organic layer, a sealing structure that includes at least a first inorganic layer provided above the light detection sensor and a first resin layer provided above the first inorganic layer, and an optical filter that is provided above the light detection sensor and blocks a part of light incident on the light detection sensor using at least one of the first inorganic layer or the first resin layer as a layer thickness adjustment layer. An end portion of the first inorganic layer is positioned outward of an end portion of the organic layer.

公开(公告)号：US20240295305A1

公开(公告)日：2024-09-05

申请号：US18648114

申请日：2024-04-26

Applicant: Japan Display Inc.

Inventor： Masashi TAKAHATA ,  Takeo KOITO ,  Hiroyuki WAKANA

IPC: F21V9/40 ,  F21V23/04 ,  F21Y113/00 ,  H05B47/13

CPC classification number: F21V9/40 ,  F21V23/0471 ,  H05B47/13 ,  F21Y2113/30

Abstract: According to an aspect, an illumination device includes: a light distribution controller having a light distribution control region in which a transmission region of light is changeable; a plurality of types of light sources each disposed at a position facing the light distribution controller; and a controller configured to control operation of the light distribution controller and the plurality of types of light sources. The light distribution controller includes a plurality of liquid crystal panels stacked in a facing direction of the light distribution controller and the light source.

公开(公告)号：US12080250B2

公开(公告)日：2024-09-03

申请号：US17980672

申请日：2022-11-04

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G09G3/34

CPC classification number: G09G3/34 ,  G09G2300/0823 ,  G09G2310/0294 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2330/08

Abstract: A display device has a write period of charging a holding capacitor included in each of pixels arranged in a first direction and a second direction different from the first direction in a display region, and has a hold period of holding capacitance of the holding capacitor charged during the write period. The display device comprises a potential maintenance circuit configured to maintain, during the hold period, one of three potential values of a positive-polarity potential, a ground (GND) potential, and a negative-polarity potential having charged the holding capacitor during the write period.

公开(公告)号：US12080206B2

公开(公告)日：2024-09-03

申请号：US17700631

申请日：2022-03-22

Applicant: Japan Display Inc.

Inventor： Akihiro Ogawa

IPC: G09G3/00 ,  H01L27/15 ,  H01L33/38 ,  H01L33/62

CPC classification number: G09G3/006 ,  H01L27/156 ,  H01L33/38 ,  H01L33/62

Abstract: A method for repairing a display device, the display device comprising: a plurality of inorganic light emitters arrayed in a matrix (row-column configuration); and a counter electrode provided in a traveling direction of light emitted from the inorganic light emitters and coupled to the inorganic light emitters, the method comprising steps of: detecting a defective inorganic light emitter serving as one of the inorganic light emitters and having a defect; and removing a target portion of the counter electrode by irradiating the target portion with light while leaving the defective inorganic light emitter unremoved, the target portion including a portion between a portion coupled to the defective inorganic light emitter and a portion coupled to an inorganic light emitter adjacently disposed with the defective inorganic light emitter.