公开(公告)号：US20230422550A1

公开(公告)日：2023-12-28

申请号：US18462436

申请日：2023-09-07

Applicant: Japan Display Inc.

Inventor： Hideyuki TAKAHASHI

IPC: H10K59/12 ,  H10K59/80 ,  H10K59/124 ,  H10K59/82

CPC classification number: H10K59/1201 ,  H10K59/871 ,  H10K59/124 ,  H10K59/82 ,  H10K59/8051 ,  H10K59/8052

Abstract: According to one embodiment, a display device includes a first insulating member disposed surrounding a display area, a second insulating member disposed to be spaced apart from the first insulating member and surrounding the first insulating member, an auxiliary member disposed on the second insulating member and an sealing layer. The sealing layer includes a first inorganic sealing layer disposed in a region surrounded by the second insulating member, a first organic sealing layer disposed in a region surrounded by the first insulating member, a second inorganic sealing layer disposed in an region surrounded by the second insulating member and a second organic sealing layer which covers the second inorganic sealing layer.

公开(公告)号：US20230284510A1

公开(公告)日：2023-09-07

申请号：US18099261

申请日：2023-01-20

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Masato ISHIKAWA ,  Tatsuya NISHINO ,  Hideyuki TAKAHASHI ,  Hiroshi TABATAKE

IPC: H10K59/80 ,  H10K59/131

CPC classification number: H10K59/8723 ,  H10K59/131 ,  H10K59/8722

Abstract: An organic electroluminescence display device includes a substrate including a first surface, a first area arranged on the first surface and including one or more first spacers and a plurality of pixels each including a light-emitting layer, a third area arranged on the first surface, surrounding the first area, and not including spacers, and a second area arranged on the first surface, surrounding the third area, and including one or more second spacers. The plurality of pixels each including the light-emitting layer is arranged along a first direction and a second direction intersecting the first direction, and a length of the third area in the second direction is a total length of pitches for at least two pixels.

公开(公告)号：US20220238840A1

公开(公告)日：2022-07-28

申请号：US17583664

申请日：2022-01-25

Applicant: Japan Display Inc.

Inventor： Hideyuki TAKAHASHI

IPC: H01L51/52 ,  H01L27/32

Abstract: According to one embodiment, a display device includes a first insulating layer disposed on a base material, a first electrode disposed on the first insulating layer, a second insulating layer disposed on the first insulating layer and including an opening portion, a barrier wall disposed on the second insulating layer, an organic layer in contact with the first electrode through the opening portion and in contact with the second insulating layer between the opening portion and the barrier wall, a second electrode disposed on the organic layer, an insulator covering side surfaces of the barrier wall and edge portions of the organic layer and the second electrode, and a third electrode covering the second electrode, the barrier wall, and the insulator.

公开(公告)号：US20220238835A1

公开(公告)日：2022-07-28

申请号：US17585759

申请日：2022-01-27

Applicant: Japan Display Inc.

Inventor： Hideyuki TAKAHASHI

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

Abstract: According to one embodiment, a display device includes a base material, a first insulating layer disposed on the substrate, a first electrode disposed on the first insulating layer, an organic layer disposed on the first electrode, a second electrode disposed on the organic layer, a second insulating layer disposed on the first insulating layer and including an opening portion overlapping with the second electrode, and a third electrode covering the second electrode and the second insulating layer. The first electrode, the organic layer, and the second electrode are separated for each pixel.

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：US20250113708A1

公开(公告)日：2025-04-03

申请号：US18899440

申请日：2024-09-27

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Sho YANAGISAWA ,  Hideyuki TAKAHASHI ,  Ryota TAKASAKI ,  Kazumi IIZAWA

IPC: H10K59/122

Abstract: According to one embodiment, a display device includes a lower electrode in a display area, a rib layer in the display area and a surrounding area, a first partition above the rib layer in the display area, an organic layer, an upper electrode and a second partition above the rib layer in the surrounding area. The rib layer has a pixel aperture. The organic layer is in contact with the lower electrode through the pixel aperture. The upper electrode covers the organic layer and is in contact with the first partition. Each of the partitions includes a lower portion and an upper portion. The second partition includes segments spaced apart from each other. Each of the segments has apertures.

公开(公告)号：US20250057014A1

公开(公告)日：2025-02-13

申请号：US18769470

申请日：2024-07-11

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Hideyuki TAKAHASHI

IPC: H10K59/80 ,  H10K59/122

Abstract: According to one embodiment, a display device includes a substrate having a display area and a surrounding area, a plurality of display elements each of which includes a lower electrode, an upper electrode and an organic layer, a first partition provided between the adjacent display elements, a first dam portion which protrudes to an upper side of the substrate and surrounds the display area, and a second partition which overlaps at least part of the first dam portion. Further, each of the first and second partitions includes a conductive lower portion and an upper portion having an end portion protruding from a side surface of the lower portion.

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：US20240085744A1

公开(公告)日：2024-03-14

申请号：US18516139

申请日：2023-11-21

Applicant: Japan Display Inc.

Inventor： Masato NAKAMURA ,  Daichi HOSOKAWA ,  Yuki KURAMOTO ,  Hideyuki TAKAHASHI

IPC: G02F1/1343 ,  G02F1/1335 ,  G02F1/1362

CPC classification number: G02F1/134336 ,  G02F1/133512 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/133707 ,  G02F2201/52

Abstract: According to one embodiment, a liquid crystal display device includes a first area, second area, liquid crystal layer, and a plurality of pixels. Each subpixel includes an opening area including a first opening area and a second opening area. The pixels include a first pixel positioned in the first area and a second pixel positioned over a boundary of the first area and the second area. The opening area of the second pixel is smaller than the opening area of the first pixel when opening areas of subpixels of same color are compared. An each imaginary line showing the boundary of the first opening area and the second opening area is a same straight line.

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.