公开(公告)号：US20180204893A1

公开(公告)日：2018-07-19

申请号：US15854083

申请日：2017-12-26

Applicant: Japan Display Inc.

Inventor： Kenta HIRAGA

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3208

CPC classification number: H01L27/3246 ,  G09G3/3208 ,  G09G2310/0264 ,  H01L27/3283 ,  H01L51/5203 ,  H01L51/5262 ,  H01L2227/323

Abstract: A display device includes pixel electrodes including first and second pixel electrodes separated from each other; a bank covering ends of the pixel electrodes and a region between the pixel electrodes, and having openings exposing the pixel electrodes; a first organic layer covering the first pixel electrode, and including a first light emitting layer; a second organic layer covering the second pixel electrode, and including a second light emitting layer; and a counter electrode covering the first and second organic layers and the bank. The first light emitting layer emits light having a first wavelength, the second light emitting layer emits light having a second wavelength longer than the first wavelength, the second organic layer is thicker than the first organic layer, and an angle made by the bank and the second pixel electrode is larger than an angle made by the bank and the first pixel electrode.

公开(公告)号：US20190115396A1

公开(公告)日：2019-04-18

申请号：US16215756

申请日：2018-12-11

Applicant: Japan Display Inc.

Inventor： Kenta HIRAGA ,  Hajime AKIMOTO

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/52

CPC classification number: H01L27/323 ,  H01L27/1203 ,  H01L27/124 ,  H01L51/0002 ,  H01L51/524 ,  H01L51/5256

Abstract: A display device in an embodiment according to the present invention includes a substrate, a plurality of wirings above the insulation surface, an interlayer insulation layer covering the plurality of wirings, a light emitting element above the interlayer insulation layer, a first inorganic insulation layer covering the light emitting element, a first detection electrode extending in a first direction above the first inorganic insulation layer, an organic insulation layer above the first inorganic insulation layer covering the first detection electrode, a second detection electrode extending in a second direction intersecting the first direction above the organic insulation layer, a second inorganic insulation layer above the organic insulation layer covering the second detection electrode, a first connection wiring electrically connecting the first detection electrode and one of the plurality of wirings, and a second connection wiring electrically connecting the second detection electrode and another one of the plurality of wirings.

公开(公告)号：US20180331319A1

公开(公告)日：2018-11-15

申请号：US15969848

申请日：2018-05-03

Applicant: Japan Display Inc.

Inventor： Kenta HIRAGA ,  Hajime Akimoto

IPC: H01L51/52 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/529 ,  H01L27/323 ,  H01L27/3276 ,  H01L51/0097 ,  H01L51/5253 ,  H01L2227/323 ,  H01L2251/5338

Abstract: A display device includes a flexible substrate including a first surface and a second surface facing the first surface; a TFT array layer provided on the first surface; a display element layer provided on the TFT array layer; a first heat releasing layer provided on the second surface; a first protective layer provided on the same side as the second surface; a second heat releasing layer provided on the display element layer; and a second protective layer provided on the display element layer. The second heat releasing layer has a light transmittance of 90% or higher.

公开(公告)号：US20190067393A1

公开(公告)日：2019-02-28

申请号：US16112876

申请日：2018-08-27

Applicant: Japan Display Inc.

Inventor： Kenta HIRAGA

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

Abstract: A display device includes: an insulating layer defining a pixel region with a first extending portion and a second extending portion, the first extending portion extending in a direction along a first side of the pixel region, the second extending portion extending in a direction along a second side of the pixel region, the second side crossing the first side; and an organic electroluminescent layer formed in the pixel region, on the first extending portion, and on the second extending portion. A width of the first extending portion in a plan view is smaller than a width of the second extending portion.

公开(公告)号：US20180061900A1

公开(公告)日：2018-03-01

申请号：US15681642

申请日：2017-08-21

Applicant: Japan Display Inc.

Inventor： Kenta HIRAGA ,  Hajime Akimoto

IPC: H01L27/32 ,  H01L51/52 ,  H01L27/12

CPC classification number: H01L27/323 ,  H01L27/1203 ,  H01L27/124 ,  H01L51/0002 ,  H01L51/524

Abstract: A display device in an embodiment according to the present invention includes a substrate, a plurality of wirings above the insulation surface, an interlayer insulation layer covering the plurality of wirings, a light emitting element above the interlayer insulation layer, a first inorganic insulation layer covering the light emitting element, a first detection electrode extending in a first direction above the first inorganic insulation layer, an organic insulation layer above the first inorganic insulation layer covering the first detection electrode, a second detection electrode extending in a second direction intersecting the first direction above the organic insulation layer, a second inorganic insulation layer above the organic insulation layer covering the second detection electrode, a first connection wiring electrically connecting the first detection electrode and one of the plurality of wirings, and a second connection wiring electrically connecting the second detection electrode and another one of the plurality of wirings.

公开(公告)号：US20170250362A1

公开(公告)日：2017-08-31

申请号：US15441574

申请日：2017-02-24

Applicant: Japan Display Inc.

Inventor： Kenta HIRAGA

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

CPC classification number: H01L51/5012 ,  H01L27/3244 ,  H01L27/326 ,  H01L51/5056 ,  H01L51/5203 ,  H01L2251/5315

Abstract: A display device includes a plurality of pixel electrodes being separated from each other each of which has a flat portion on at least a part of an upper surface, a carrier injection/transport layer continuously stacked on the plurality of pixel electrodes, a plurality of light emitting layers stacked on the carrier injection/transport layer such that each of the light emitting layers is positioned directly above the plurality of pixel electrodes and a common electrode that is stacked so as to cover the plurality of light emitting layers. A surface of underlayer of the carrier injection/transport layer has an irregular shape including surfaces of the plurality of pixel electrodes, an upper surface of the carrier injection/transport layer is flat, and each of light emitting layers has a uniform thickness directly above at least the flat portion of the corresponding pixel electrode.