公开(公告)号：US20160104761A1

公开(公告)日：2016-04-14

申请号：US14882093

申请日：2015-10-13

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE ,  Hiroyuki KIMURA ,  Makoto SHIBUSAWA ,  Hiroshi NAKAYAMA ,  Tetsuo MORITA ,  Yutaka UMEDA

IPC: H01L27/32

CPC classification number: H01L27/1214 ,  H01L27/124 ,  H01L27/326 ,  H01L27/3272

Abstract: A display device includes a display region comprising a plurality of pixels, each pixel of the plurality of pixels comprises a light emitting element which includes a pixel electrode, a conductive layer below the pixel electrode and configured to receive a specified electric voltage, and a thin film transistor below the pixel electrode and the conductive layer, wherein the thin film transistor comprises a semiconductor layer which includes a channel region, a gate electrode which is overlapping the channel region, a first electrode electrically connected to the semiconductor layer and the pixel electrode, and a second electrode electrically connectable to a power supply line, wherein the conductive layer includes an overlapped region which overlaps with the channel region, and the first electrode extends so as to cover the gate electrode at the overlapped region.

Abstract translation: 显示装置包括包括多个像素的显示区域，所述多个像素的每个像素包括发光元件，所述发光元件包括像素电极，所述像素电极下方的导电层，并且被配置为接收指定的电压， 薄膜晶体管，其中薄膜晶体管包括半导体层，其包括沟道区，与沟道区重叠的栅电极，与半导体层电连接的第一电极和像素电极， 以及电连接到电源线的第二电极，其中所述导电层包括与所述沟道区重叠的重叠区域，并且所述第一电极延伸以覆盖所述重叠区域处的所述栅电极。

公开(公告)号：US20250160188A1

公开(公告)日：2025-05-15

申请号：US19006498

申请日：2024-12-31

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Tetsuo MORITA ,  Kenji HARADA ,  Hiroshi TABATAKE ,  Hideyuki TAKAHASHI

IPC: H10K59/88 ,  H10K59/122 ,  H10K59/131

Abstract: According to one embodiment, a display device includes a substrate, first and second insulating layers, first and second pixel electrodes, first and second organic layers, first and second feed lines, first and second partitions, and a common electrode including first and second parts covering the first and second organic layers. The first organic layer is between the partitions. The second feed line and the second partition are located between the organic layers. The partitions are shaped such that a width of an upper part is greater than a width of a lower part. The first part is in contact with the first feed line between the first partition and the first organic layer.

公开(公告)号：US20250017052A1

公开(公告)日：2025-01-09

申请号：US18752802

申请日：2024-06-25

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE ,  Hiroyuki KIMURA

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/35 ,  H10K59/65 ,  H10K59/80 ,  H10K71/60

Abstract: According to one embodiment, a display device includes a base, a lower electrode, a rib including an aperture, a partition, an organic layer in contact with the lower electrode through the aperture, and an upper electrode. The lower electrode includes first lower electrodes in a first area on and second lower electrodes in a second area. The aperture includes first apertures overlapping with the first lower electrodes and second apertures overlapping with the second lower electrodes. The partition includes a first partition dividing the first apertures and second partitions dividing each of the second apertures. The second aperture is smaller than the first aperture. Each of the second partitions is connected to other second partition via a transparent conductive layer.

公开(公告)号：US20240276860A1

公开(公告)日：2024-08-15

申请号：US18436096

申请日：2024-02-08

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Hiroshi TABATAKE ,  Kota MAKISHI ,  Kazuyuki ENDOU

IPC: H10K71/70 ,  H10K59/131 ,  H10K59/80

CPC classification number: H10K71/70 ,  H10K59/131 ,  H10K59/871

Abstract: According to one embodiment, a mother substrate for a display device includes an inspection portion. The inspection portion includes first, second, third and fourth pads, a first line portion connected to the first pad, a second line portion connected to the second pad, a third line portion connected to the third pad and the fourth pad and including a middle portion, a first partition connected to the middle portion, a second partition surrounding the first partition, an organic layer provided between the first partition and the second partition, and an upper electrode which covers the organic layer. The upper electrode is in contact with a lower portion of the first partition and a lower portion of the second partition.

公开(公告)号：US20240237416A9

公开(公告)日：2024-07-11

申请号：US18399954

申请日：2023-12-29

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  G09G3/3225 ,  H10K59/131 ,  H10K59/80

CPC classification number: H10K59/122 ,  G09G3/3225 ,  H10K59/131 ,  H10K59/873 ,  G09G2300/0452 ,  G09G2300/0842

Abstract: According to one embodiment, a display device includes a substrate, a circuit layer including a metal-made feed line in a surrounding area, an insulating layer covering the circuit layer, a lower electrode, a rib, a partition above the rib, an upper electrode connected to the partition, an organic layer between the electrodes and a conductive layer connected to the partition. The partition and the conductive layer each includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion. The lower portion of the conductive layer and the feed line are in contact with each other in the first contact portion in the surrounding area.

公开(公告)号：US20240122012A1

公开(公告)日：2024-04-11

申请号：US18476353

申请日：2023-09-28

Applicant: Japan Display Inc.

Inventor： Kazuyuki HARADA ,  Hideyuki TAKAHASHI ,  Hiroshi TABATAKE ,  Masato NAKAMURA

IPC: H10K59/131 ,  G06F3/041 ,  G06F3/044 ,  H10K59/40

CPC classification number: H10K59/131 ,  G06F3/0412 ,  G06F3/04164 ,  G06F3/0446 ,  H10K59/40

Abstract: A display device includes a display region on a substrate, a first step portion surrounding the display region in a plan view, a first sensor electrode in the display region, a first sensor wiring electrically connected with the first sensor electrode, a first terminal electrode located between the display region and an edge of the substrate, a first terminal wiring electrically connected to the first terminal electrode, at least one contact hole located between the first step portion and the first terminal electrode, at least one first insulating layer located around a periphery of the at least one contact hole, a second insulating layer between the at least one first insulating layer and the substrate in a cross section, and a third insulating layer over the first insulating layer and the second insulating layer.

公开(公告)号：US20230371342A1

公开(公告)日：2023-11-16

申请号：US18314169

申请日：2023-05-09

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE ,  Hiroyuki KIMURA

IPC: H01L51/00

CPC classification number: H10K59/65 ,  H10K59/871 ,  H10K71/166

Abstract: According to one embodiment, a display device includes a base, a lower electrode disposed in a first region on the base, a rib covering a part of the lower electrode and including an aperture overlapping the first region, a partition including a lower portion disposed on the rib and an upper portion protruding from a side surface of the lower portion, which compartmentalizes the first region and a second region different from the first region, an organic layer disposed in the first region and in contact with the lower electrode via the aperture and an upper electrode disposed on the organic layer, and the organic layer and the upper electrode are not disposed in the second region.

公开(公告)号：US20230232684A1

公开(公告)日：2023-07-20

申请号：US18156412

申请日：2023-01-19

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/131 ,  H10K59/80

CPC classification number: H10K59/131 ,  H10K59/871

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer above the substrate, a lower electrode in a display area, a rib including an aperture overlapping the lower electrode, a conductive partition above the rib in the display area, an upper electrode facing the lower electrode and connected to the partition, an organic layer at least partially located between the lower and upper electrodes and emitting light based on a potential difference between the electrodes, a feed line in a surrounding area around the display area, and a conductive layer provided above the rib in the surrounding area and connected to the feed line and the partition.

公开(公告)号：US20230217735A1

公开(公告)日：2023-07-06

申请号：US18086662

申请日：2022-12-22

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/124 ,  H10K59/123

CPC classification number: H10K59/124 ,  H10K59/123 ,  H10K2102/302

Abstract: According to one embodiment, a display device includes a substrate, a pixel circuit, an insulating layer including a contact hole, a lower electrode connected to the pixel circuit through the contact hole, an upper electrode, an organic layer between the lower and upper electrodes, a rib including an aperture, a partition above the rib, and a filling material inside the contact hole. The organic layer includes a first organic layer in contact with the lower electrode through the aperture, and a second organic layer on the partition. The partition and the rib overlap at least part of the contact hole and the filling material in plan view.

公开(公告)号：US20230214042A1

公开(公告)日：2023-07-06

申请号：US18184730

申请日：2023-03-16

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE ,  Hideyuki TAKAHASHI

IPC: G06F3/041

CPC classification number: G06F3/0416

Abstract: According to one embodiment, a display device includes a base, a display unit containing pixels, a power supply circuit, a touch controller and a switching circuit disposed between the display unit, the power supply circuit and the touch controller. The pixels each includes a pixel circuit and a display element including a lower electrode connected to the pixel circuit, an upper electrode disposed to oppose the lower electrode and an organic layer including a light-emitting layer disposed between the lower electrode and the upper electrode. The upper electrode is connected to the switching circuit, and the switching circuit selectively switches between connecting the upper electrode to the power supply circuit and connecting the upper electrode to the touch controller.