公开(公告)号：US20240276784A1

公开(公告)日：2024-08-15

申请号：US18437263

申请日：2024-02-09

Applicant: Japan Display Inc.

Inventor： Hayata AOKI ,  Jun NITTA ,  Marina MOCHIZUKI

IPC: H10K59/122

CPC classification number: H10K59/122

Abstract: According to one embodiment, a display device includes a plurality of pixels including a first pixel, a second pixel and a third pixel, each of the plurality of pixels include, an anode, an organic EL layer provided on the anode, at least one set of sidewall pairs provided to cover a side surface of the organic EL layer and a cathode provided in an opening portion of the bank and in contact with the organic EL layer. The at least one set of side wall pairs includes a first sidewall formed of aluminum oxide and a second sidewall formed of silicon nitride. The first pixel includes at least two sets of the side wall pairs, and the second pixel includes at least one set of the sidewall pair.

公开(公告)号：US20240250214A1

公开(公告)日：2024-07-25

申请号：US18589784

申请日：2024-02-28

Applicant: Japan Display Inc.

Inventor： Hiroumi KINJO ,  Masumi NISHIMURA ,  Hayata AOKI

IPC: H01L33/36 ,  H01L33/06 ,  H01L33/16 ,  H01L33/32

CPC classification number: H01L33/36 ,  H01L33/06 ,  H01L33/16 ,  H01L33/32

Abstract: A gallium nitride-based semiconductor device includes an amorphous substrate, a conductive alignment layer on the amorphous substrate, a gallium nitride-based semiconductor layer on the conductive alignment layer, and an auxiliary electrode layer in contact with the conductive alignment layer. The auxiliary electrode layer is arranged around a periphery portion of the conductive alignment layer.

公开(公告)号：US20240040818A1

公开(公告)日：2024-02-01

申请号：US18357232

申请日：2023-07-24

Applicant: Japan Display Inc.

Inventor： Takahiro USHIKUBO ,  Hayata AOKI ,  Jun NITTA ,  Hiroumi KINJO

IPC: H10K50/19 ,  H10K59/122 ,  H10K71/00 ,  H10K50/15 ,  H10K50/18 ,  H10K50/17

CPC classification number: H10K50/19 ,  H10K59/122 ,  H10K71/00 ,  H10K50/156 ,  H10K50/181 ,  H10K50/171

Abstract: To provide a display device, in which deterioration in characteristics is small even when some of layers are exposed to a solvent or an atmosphere when photolithography is performed, and a method for manufacturing the display device. The display device having a pixel including a plurality of sub-pixels includes: a substrate; a lower electrode provided on an upper side of the substrate; an organic EL layer provided on the lower electrode and including an emission layer configured to emit a different color for each sub-pixel; and an upper electrode disposed on an upper side of the organic EL layer. An exposure protection layer having transparency and conductivity provided for each sub-pixel is formed between the organic EL layer and the upper electrode. No emission layer is formed between the exposure protection layer and the upper electrode.

公开(公告)号：US20230371335A1

公开(公告)日：2023-11-16

申请号：US18314823

申请日：2023-05-10

Applicant: Japan Display Inc.

Inventor： Takahiro USHIKUBO ,  Hayata AOKI

IPC: H10K59/35 ,  H10K59/80

CPC classification number: H10K59/352 ,  H10K59/8792

Abstract: According to one embodiment, a display device includes a first emitting layer provided in each of first pixels, a second emitting layer provided in each of second pixels, a third emitting layer provided in each of third pixels and a color filter provided to oppose the third emitting layer, and a threshold of the third emitting layer is higher than a threshold of the first emitting layer and a threshold of the second emitting layer, and the color filter overlaps a boundary between each first emitting layer and a respective third emitting layer and a boundary between a second emitting layer and a respective third emitting layer.

公开(公告)号：US20220384749A1

公开(公告)日：2022-12-01

申请号：US17804339

申请日：2022-05-27

Applicant: Japan Display Inc.

Inventor： Masatomo HISHINUMA ,  Hiroumi KINJO ,  Hayata AOKI

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: According to one embodiment, an electronic device includes an insulating base including a strip-shaped portion having elasticity and an island-shaped portion connected to the strip-shaped portion, an organic insulating film disposed on the insulating base, an inorganic insulating film disposed on the organic insulating film, a wiring disposed between the strip-shaped portion and the organic insulating film, an electrical element disposed on the inorganic insulating film and electrically connected to the wiring, in the island-shaped portion, a barrier wall overlapping the island-shaped portion and the strip-shaped portion and surrounding the electrical element, and a sealing film covering the electrical element.

公开(公告)号：US20220231250A1

公开(公告)日：2022-07-21

申请号：US17574812

申请日：2022-01-13

Applicant: Japan Display Inc.

Inventor： Hayata AOKI ,  Masumi NISHIMURA ,  Jun NITTA

IPC: H01L51/50 ,  H01L51/56

Abstract: According to one embodiment, a display device includes a lower electrode, a second insulating layer including an opening overlapping the lower electrode, an organic layer including a light-emitting layer and a functional layer, disposed in the opening and covering the lower electrode and an upper electrode covering the organic layer. The functional layer includes a first region located between the lower electrode and the light-emitting layer and a second region including an end surface located directly above the second insulating layer. A dopant concentration of a guest material in the second region is lower than the dopant concentration of the guest material in the first region.

公开(公告)号：US20180337224A1

公开(公告)日：2018-11-22

申请号：US15975898

申请日：2018-05-10

Applicant: Japan Display Inc.

Inventor： Hayata AOKI

IPC: H01L27/32 ,  H01L51/56 ,  G09G3/3266 ,  G09G3/3233

CPC classification number: H01L27/3276 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2380/02 ,  H01L27/3262 ,  H01L27/3265 ,  H01L51/5253 ,  H01L51/5281 ,  H01L51/56 ,  H01L2251/5338

Abstract: A display device according to an embodiment of the present invention includes: a display panel including a display region, a drive section forming region, and a curved region, the display region including a pixel array section, the drive section forming region including a drive section driving the pixel array section, the curved region coupling the display region to the drive section forming region, the display panel including an organic light-emitting diode structure layer including an organic light-emitting diode, an optical film provided on a front surface side of the organic light-emitting diode structure layer in the display region and including an inclined surface at an end face on the curved region side, and a resin layer provided on the front surface side of the organic light-emitting diode structure layer in at least the curved region and provided so as to be in contact with the inclined surface.

公开(公告)号：US20240274647A1

公开(公告)日：2024-08-15

申请号：US18585506

申请日：2024-02-23

Applicant: Japan Display Inc.

Inventor： Masumi NISHIMURA ,  Shinichiro OKA ,  Hayata AOKI ,  Hiroumi KINJO

IPC: H01L27/15 ,  H01L25/075 ,  H01L33/00 ,  H01L33/20 ,  H01L33/32

CPC classification number: H01L27/156 ,  H01L33/20 ,  H01L33/32 ,  H01L25/0753 ,  H01L33/007

Abstract: A light emitting device includes a plurality of pixels arranged in a matrix in a first direction and in a second direction orthogonal to the first direction. Each of the plurality of pixels arranged in a matrix includes a substrate, a conductive alignment layer over the substrate, a first nitride semiconductor layer over the conductive alignment layer, a second nitride semiconductor layer comprising a light emitting layer, over the first nitride semiconductor layer, and an electrode layer over the second nitride semiconductor layer. The first nitride semiconductor layer and the second nitride semiconductor layer are provided in an island shape. The plurality of pixels arranged in a matrix commonly includes the substrate.

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：US20240090297A1

公开(公告)日：2024-03-14

申请号：US18466016

申请日：2023-09-13

Applicant: Japan Display Inc.

Inventor： Hayata AOKI ,  Shinya ASAKURA

IPC: H10K59/35 ,  H10K59/80

CPC classification number: H10K59/353 ,  H10K59/871 ,  H10K2102/351

Abstract: According to one embodiment, a display device includes a first lower electrode, a second lower electrode and a third lower electrode, a rib including apertures, a first organic layer provided on the first lower electrode, a second organic layer provided on the second lower electrode, a third organic layer provided on the third lower electrode, and an upper electrode. At least one of the first lower electrode, the second lower electrode and the third lower electrode includes a flat portion and a plurality of inclined portions which incline relative to the flat portion in the aperture. The inclined portions are arrayed in matrix in first and second directions which intersect each other in plan view.