公开(公告)号：US20250008756A1

公开(公告)日：2025-01-02

申请号：US18883640

申请日：2024-09-12

Applicant: Japan Display Inc.

Inventor： Shinya ASAKURA ,  Jun NITTA

IPC: H10K39/30

Abstract: According to an aspect, a detection device includes: a sensor including a first photodiode and a second photodiode; and a detection circuit configured to alternately detect an output of the first photodiode and an output of the second photodiode. Anodes of the first photodiode and the second photodiode are configured to be supplied with a first potential. A cathode of the second photodiode is configured to be supplied with a second potential lower than the first potential in a first period in which the output of the first photodiode is detected. A cathode of the first photodiode is configured to be supplied with the second potential in a second period in which the output of the second photodiode is detected.

公开(公告)号：US20240049487A1

公开(公告)日：2024-02-08

申请号：US18360039

申请日：2023-07-27

Applicant: Japan Display Inc.

Inventor： Jun NITTA

IPC: H10K30/88 ,  H10K30/81

CPC classification number: H10K30/88 ,  H10K30/81

Abstract: An optical sensor includes: a plurality of electrodes adjacent to one another; an organic photoelectric conversion layer that includes an active layer and is laminated in common on the plurality of electrodes, the active layer converting incident light into an electric charge; and a light shielding layer covering at least a part of the active layer between the adjacent electrodes on a light receiving side that receives the incident light.

公开(公告)号：US20220140061A1

公开(公告)日：2022-05-05

申请号：US17519919

申请日：2021-11-05

Applicant: Japan Display Inc.

Inventor： Jun NITTA

IPC: H01L27/32

Abstract: According to one embodiment, a display device includes a bank covering an edge and a side surface of a pixel electrode and having an opening exposing a part of an upper surface of the pixel electrode, a hole transport layer arranged in the opening and disposed over the pixels, a metal line disposed with the hole transport layer sandwiched on a top area of the bank, a light emitting layer disposed between a plurality of the banks adjacent to each other and disposed in the opening in each of the pixels, wherein the light emitting layer comprises a first light emitting layer in the first pixel, a second light emitting layer in the second pixel, and a third light emitting layer in the third pixel, and the metal line is in contact with the third light emitting layer.

公开(公告)号：US20230413588A1

公开(公告)日：2023-12-21

申请号：US18336103

申请日：2023-06-16

Applicant: Japan Display Inc.

Inventor： Jun NITTA

IPC: H10K39/32

CPC classification number: H10K39/32 ,  G06V40/1318

Abstract: An optical sensor includes: a substrate; a pixel electrode provided on the substrate; an organic photoelectric conversion layer laminated on a surface of the pixel electrode; and a common electrode laminated on a surface of the organic photoelectric conversion layer, wherein in a cross-sectional view, the surface of the pixel electrode is heightened gradually or stepwise from an end portion closest to the substrate in a direction perpendicular to the substrate toward a top portion farthest from the substrate in the direction perpendicular to the substrate, and the surface of the organic photoelectric conversion layer and a surface of the common electrode each have a shape corresponding to a shape of the surface of the pixel electrode.

公开(公告)号：US20230389360A1

公开(公告)日：2023-11-30

申请号：US18450417

申请日：2023-08-16

Applicant: Japan Display Inc.

Inventor： Masakazu GUNJI ,  Jun NITTA

IPC: H10K59/121 ,  H10K50/18

CPC classification number: H10K59/1213 ,  H10K50/181

Abstract: According to one embodiment, a display device includes a base, a plurality of pixel circuits, an insulating layer, a plurality of apertures, a plurality of display elements and a partition. Each of the display elements includes a lower electrode, an organic layer and an upper electrode. The lower electrode and the organic layer are in contact over an entire surface of the aperture. The organic layer and the upper electrode are in contact over the entire surface of the aperture. The peripheral portion of the lower electrode is covered by the partition.

公开(公告)号：US20230263016A1

公开(公告)日：2023-08-17

申请号：US18307393

申请日：2023-04-26

Applicant: Japan Display Inc.

Inventor： Hiroumi KINJO ,  Hayata AOKI ,  Jun NITTA

IPC: H10K59/122 ,  H10K59/12 ,  H10K71/20

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K71/233

Abstract: According to an aspect, a display device includes: a substrate; a planarization layer provided on the substrate; a plurality of electrodes provided on the planarization layer and arrayed in a first direction and a second direction; a bank provided on the planarization layer and the electrodes and formed in a grid pattern so as to surround each of the electrodes; and a light-emitting layer provided on the electrodes. The bank protrudes with respect to the electrodes in a third direction orthogonal to the first direction and the second direction, and a cutout is formed in part of the bank.

公开(公告)号：US20240215381A1

公开(公告)日：2024-06-27

申请号：US18395906

申请日：2023-12-26

Applicant: Japan Display Inc.

Inventor： Hayata AOKI ,  Jun NITTA ,  Marina MOCHIZUKI

IPC: H10K59/80 ,  H10K59/122

CPC classification number: H10K59/80517 ,  H10K59/122 ,  H10K59/80523 ,  H10K59/80524 ,  H10K59/873

Abstract: According to one embodiment, a display device includes a plurality of pixels and a bank provided between each adjacent pair of the plurality of pixels, and each of the plurality of pixels includes, on a base, a cathode, an organic EL layer provided on the cathode, a protective layer provided to cover a side surface of the organic EL layer, and an anode provided on the protective layer and in an aperture of the bank, so as to be in contact with the organic EL layer.

公开(公告)号：US20230380207A1

公开(公告)日：2023-11-23

申请号：US18366681

申请日：2023-08-08

Applicant: Japan Display Inc.

Inventor： Jun NITTA ,  Masakazu GUNJI ,  Shinya ASAKURA

IPC: H10K50/18 ,  H10K50/16 ,  H10K50/17 ,  H10K50/84 ,  H10K59/131

CPC classification number: H10K50/181 ,  H10K50/16 ,  H10K50/171 ,  H10K50/841 ,  H10K59/131

Abstract: According to one embodiment, a display device includes a switching element, a first insulating layer including a first contact hole penetrating to the switching element, a conductive material filled in the first contact hole, a lower electrode arranged above the first insulating layer and being in contact with the conductive material, an organic layer stacked on the lower electrode, and including a hole injection layer on the lower electrode, a hole transport layer on the hole injection layer, and a light emitting layer on the hole transport layer, an upper electrode stacked on the organic layer, and a coating layer covering an end surface of each of the lower electrode, the hole injection layer, and the hole transport layer.

公开(公告)号：US20230130794A1

公开(公告)日：2023-04-27

申请号：US17969701

申请日：2022-10-20

Applicant: Japan Display Inc.

Inventor： Jun NITTA

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

Abstract: According to one embodiment, a display device includes a first insulating layer, a bottom electrode provided on the first insulating layer, a second insulating layer provided on the first insulating layer and having an opening penetrating to the bottom electrode, an adhesive layer provided in the opening, having conductivity and being in contact with the bottom electrode, a reflecting electrode attached to the adhesive layer, an organic layer including a light emitting layer and provided on the reflecting electrode, a third insulating layer provided on the second insulating layer, and covering a side surface of the reflecting electrode and a side surface of the organic layer, and a top electrode provided on the organic layer and the third insulating layer.

公开(公告)号：US20240244923A1

公开(公告)日：2024-07-18

申请号：US18411034

申请日：2024-01-12

Applicant: Japan Display Inc.

Inventor： Hayata AOKI ,  Jun NITTA ,  Marina MOCHIZUKI

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/35 ,  H10K102/10

CPC classification number: H10K59/80518 ,  H10K59/122 ,  H10K59/353 ,  H10K2102/103

Abstract: According to one embodiment, a display device includes a plurality of pixels including at least a first pixel and a second pixel, each of the plurality of pixels comprising an anode including a reflective electrode and a transparent electrode, an organic EL layer provided on the anode, wherein a first anode of the first pixel includes a first reflective electrode and a first transparent electrode, a second anode of the second pixel includes a second reflective electrode and a second transparent electrode, an end portion of the first reflective electrode and an end portion of the first transparent electrode coincide with each other, and the second transparent electrode covers the second reflective electrode.