公开(公告)号：US20230309350A1

公开(公告)日：2023-09-28

申请号：US18187688

申请日：2023-03-22

Applicant: Japan Display Inc.

Inventor： Kaichi FUKUDA

IPC: H10K59/126 ,  H10K59/122 ,  H10K59/80 ,  H10K59/12 ,  H10K59/35

CPC classification number: H10K59/126 ,  H10K59/122 ,  H10K59/873 ,  H10K59/1201 ,  H10K59/352 ,  G09G3/3208

Abstract: According to one embodiment, a display device comprises a first display element including a first lower electrode, a first upper electrode, and a first organic layer, a second display element including a second lower electrode, a second upper electrode, and a second organic layer, and a partition between the first and second display elements. The partition comprises a lower portion including first and second side surfaces, and an upper portion including a first end portion protruding from the first side surface and a second end portion protruding from the second side surface. The first end portion has a light-shielding property, and the second end portion has translucency.

公开(公告)号：US20230263013A1

公开(公告)日：2023-08-17

申请号：US18168655

申请日：2023-02-14

Applicant: Japan Display Inc.

Inventor： Kaichi FUKUDA

IPC: H10K59/122 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/80515

Abstract: According to one embodiment, a display device includes a first lower electrode having a first end portion, an insulating layer covering the first end portion, a second lower electrode having a second end portion located on the insulating layer, a first upper electrode facing the first lower electrode, a second upper electrode facing the second lower electrode, a first organic layer located between the first lower electrode and the first upper electrode, and a second organic layer located between the second lower electrode and the second upper electrode.

公开(公告)号：US20230240126A1

公开(公告)日：2023-07-27

申请号：US18157844

申请日：2023-01-23

Applicant: Japan Display Inc.

Inventor： Toshifumi MIMURA ,  Hiraaki KOKAME ,  Arichika ISHIDA ,  Kaichi FUKUDA

IPC: H10K71/60 ,  H10K59/12 ,  H10K71/20

CPC classification number: H10K71/60 ,  H10K59/1201 ,  H10K71/231

Abstract: According to one embodiment, a display device manufacturing method includes preparing a processing substrate including a lower electrode, a rib including and a partition, forming a first organic layer covering the lower electrode, and a second organic layer located on the upper portion, forming a first upper electrode located on the first organic layer and a second upper electrode located on the second organic layer, forming a sealing layer, forming a resist covering a part of the sealing layer, performing anisotropic dry etching using the resist as a mask to reduce a thickness of the sealing layer exposed from the resist, and performing isotropic dry etching using the resist as a mask and using a mixture gas of fluorine-based gas and oxygen to remove the sealing layer exposed from the resist.

公开(公告)号：US20230180516A1

公开(公告)日：2023-06-08

申请号：US18164686

申请日：2023-02-06

Applicant: Japan Display Inc.

Inventor： Daisuke KATO ,  Kaichi FUKUDA

IPC: H10K50/844 ,  H10K50/11 ,  H10K59/12 ,  H10K59/122 ,  H10K59/124 ,  H10K59/121

CPC classification number: H10K50/8445 ,  H10K50/11 ,  H10K50/844 ,  H10K59/12 ,  H10K59/122 ,  H10K59/124 ,  H10K59/1216 ,  H10K59/1201 ,  H10K2102/00

Abstract: According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.

公开(公告)号：US20160293685A1

公开(公告)日：2016-10-06

申请号：US15186125

申请日：2016-06-17

Applicant: Japan Display Inc.

Inventor： Daisuke KATO ,  Kaichi FUKUDA

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L51/5256 ,  H01L27/3244 ,  H01L27/3246 ,  H01L27/3258 ,  H01L27/3265 ,  H01L51/5012 ,  H01L51/5253 ,  H01L2227/323 ,  H01L2251/301

Abstract: According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.

公开(公告)号：US20240414999A1

公开(公告)日：2024-12-12

申请号：US18677944

申请日：2024-05-30

Applicant: Japan Display Inc.

Inventor： Masaru TAKAYAMA ,  Kaichi FUKUDA ,  Takanobu TAKENAKA ,  Hirofumi MIZUKOSHI ,  Yuki HAMADA

IPC: H10K71/16 ,  H10K71/60

Abstract: According to one embodiment, a manufacturing method includes preparing a substrate with a lower electrode, a rib and a partition, and forming an organic layer and an upper electrode. A first evaporation source used to form a first thin film of the organic layer includes a first nozzle emitting a material toward the substrate relatively moving. A second evaporation source used to form the upper electrode includes a second nozzle emitting a material toward the substrate relatively moving. An axis of at least one of the nozzles inclines to a direction orthogonal to a moving direction of the substrate with respect to a normal direction.

公开(公告)号：US20240276859A1

公开(公告)日：2024-08-15

申请号：US18420824

申请日：2024-01-24

Applicant: Japan Display Inc.

Inventor： Kaichi FUKUDA

IPC: H10K71/70 ,  H10K59/80

CPC classification number: H10K71/70 ,  H10K59/871

Abstract: According to one embodiment, a manufacturing method is a method for manufacturing a display device including first, second and third display elements which emit light of different colors and includes preparing a substrate, forming the first display element on the substrate, and performing a first lighting inspection for causing the first display element to light up before forming the second display element and the third display element.

公开(公告)号：US20240260324A1

公开(公告)日：2024-08-01

申请号：US18391663

申请日：2023-12-21

Applicant: Japan Display Inc.

Inventor： Kaichi FUKUDA

IPC: H10K59/122 ,  G09G3/3225

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

Abstract: According to one embodiment, a mother substrate for a display device includes a plurality of panel portions each of which includes a display area in which a plurality of display elements are provided, a margin area around the panel portions, and a first partition provided in the margin area. Each of the display elements includes a lower electrode, an upper electrode which faces the lower electrode, and an organic layer which is provided between the lower electrode and the upper electrode. The first partition includes a first lower portion and a first upper portion including an end portion which protrudes from a side surface of the first lower portion.

公开(公告)号：US20240179997A1

公开(公告)日：2024-05-30

申请号：US18483536

申请日：2023-10-10

Applicant: Japan Display Inc.

Inventor： Kaichi FUKUDA

IPC: H10K59/80 ,  H10K59/12

CPC classification number: H10K59/80517 ,  H10K59/1201 ,  H10K59/8052 ,  H10K59/8731 ,  H10K2102/103

Abstract: According to one embodiment, a manufacturing method of a display device includes forming a first conductive oxide layer, forming a first metal layer at a first pressure, forming a second metal layer at a second pressure, forming a second conductive oxide layer, forming a resist having a predetermined shape, etching the second conductive oxide layer using the resist as a mask, retracting an end portion of the second metal layer relative to an end portion of the second conductive oxide layer and an edge of a lower surface of the first metal layer by etching the second metal layer and the first metal layer using the resist as a mask, etching the first conductive oxide layer using the resist as a mask, and removing the resist.

公开(公告)号：US20240147811A1

公开(公告)日：2024-05-02

申请号：US18481249

申请日：2023-10-05

Applicant: Japan Display Inc.

Inventor： Kaichi FUKUDA

IPC: H10K59/80 ,  H10K71/16 ,  H10K71/60

CPC classification number: H10K59/80518 ,  H10K71/164 ,  H10K71/60 ,  H10K2102/351

Abstract: According to one embodiment, a display device includes a first base electrode, a rib, a partition including a conductive lower portion and an upper portion, a first lower electrode electrically connected to the first base electrode, a first organic layer, and a first upper electrode. The rib includes a first rib layer which is formed of a first inorganic insulating material and covers a peripheral portion of the first base electrode, and a second rib layer which is formed of a second inorganic insulating material different from the first inorganic insulating material and is provided between the lower portion and the first rib layer. The second rib layer protrudes from a side surface of the first rib layer and a side surface of the lower portion.