公开(公告)号：US11152597B2

公开(公告)日：2021-10-19

申请号：US16734532

申请日：2020-01-06

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara

IPC: H01L33/00 ,  H01L51/52 ,  H01L51/50

Abstract: A display device includes a first substrate, a display region with pixels each including a light emitting element above the first substrate, a first inorganic insulating layer covering the display region, a first organic insulating layer on the first inorganic insulating layer, a second inorganic insulating layer on the first organic insulating layer, a second organic insulating layer on the second inorganic insulating layer, a third organic insulating layer a on the second organic insulating layer, acidity of the third organic insulating layer being stronger than acidity of the second organic insulating layer, and a polarizing plate arranged on the third organic insulating layer.

公开(公告)号：US11121204B2

公开(公告)日：2021-09-14

申请号：US16714949

申请日：2019-12-16

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara

IPC: H01L27/32 ,  H01L51/00

Abstract: Disclosed is a display device including: a substrate; a first insulating film over the substrate, the first insulating film exposing a part of the substrate to provide an exposed surface to the substrate; a second insulating film in contact with the exposed surface and a first side surface of the first insulating film; and a first wiring over the second insulating film and in contact with the exposed surface, the first insulating film, and the second insulating film. The display device may further possess a third insulating film spaced from the second insulating film and in contact with the exposed surface. The first insulating film has a second side surface opposing the first side surface through the exposed surface. The third insulating film may be in contact with the second side surface, and the wiring may be located over and in contact with the third insulating film.

公开(公告)号：US10833133B2

公开(公告)日：2020-11-10

申请号：US16653078

申请日：2019-10-15

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara ,  Akinori Kamiya ,  Hiraaki Kokame

IPC: H01L27/32 ,  G06F3/041 ,  G06F3/044 ,  H01L51/52

Abstract: A display device includes a sealing film covering a display region where an image is displayed, a touch sensor layer configured to detect a touched position of the display region, the touch sensor layer including a first electrode layer that is arranged on the sealing film, a first insulating layer that is formed on the first electrode layer using a material including nitrogen, and a second electrode layer that is arranged over the first insulating layer, an overcoat covering the touch sensor layer, and a polarizing plate being arranged on the overcoat. The touch sensor layer further includes a second insulating layer configured to inhibit a reaction between nitrogen included in the first insulating layer and water included in the overcoat, the second insulating layer being formed between the first insulating layer and the overcoat using a material not including nitrogen.

公开(公告)号：US10566408B2

公开(公告)日：2020-02-18

申请号：US16106265

申请日：2018-08-21

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara

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

Abstract: Provided is a highly reliable display device that does not easily cause a wiring or an interlayer insulating layer to be cracked when being folded. A display device includes a flexible substrate; a plurality of pixels arrayed on the substrate; and a wiring, provided on the substrate, transmitting a signal to drive the plurality of pixels. The wiring includes a first conductive layer having an opening pattern at least in a partial area thereof.

公开(公告)号：US11937448B2

公开(公告)日：2024-03-19

申请号：US17957929

申请日：2022-09-30

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara ,  Akinori Kamiya

IPC: H10K50/84 ,  H10K50/844 ,  H10K50/86 ,  H10K59/12 ,  H10K59/40 ,  G02F1/1333 ,  G02F1/1335 ,  G06F1/16 ,  G09F9/30 ,  H01L27/12 ,  H01L29/786 ,  H10K50/80 ,  H10K50/842 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126 ,  H10K102/00

CPC classification number: H10K50/844 ,  G02F1/133305 ,  G02F1/133528 ,  G06F1/1641 ,  G06F1/1652 ,  G09F9/301 ,  G09G2300/0408 ,  G09G2300/0804 ,  G09G2380/02 ,  H01L27/1248 ,  H01L29/7869 ,  H01L29/78693 ,  H10K50/8426 ,  H10K50/865 ,  H10K50/868 ,  H10K59/1216 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126 ,  H10K59/40 ,  H10K2102/00 ,  H10K2102/311 ,  H10K2102/351

Abstract: An electronic device is provided and includes first region including organic layer in light emitting element; nitride layers over organic layer; first organic insulating layer over organic layer; and second region including nitride layers, outside first region, wherein second region does not include organic layer and first organic insulating layer, wherein nitride layers include first, second and third nitride layers, wherein first nitride layer is between organic layer and first organic insulating layer in first region, wherein second and third nitride layers are over first nitride layer, and wherein second nitride layer is in contact with first organic insulating layer in first region.

公开(公告)号：US09673419B2

公开(公告)日：2017-06-06

申请号：US14818390

申请日：2015-08-05

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara

IPC: H01L51/52

CPC classification number: H01L51/5253

Abstract: Provide is a display device that prevents adverse effects on pixel circuits, resulting from a process related to a sealing film, and a manufacturing method of the display device. A display device includes pixel circuits on a substrate and a sealing film having a multilayer structure on the pixel circuits. The sealing film includes a first layer being formed in contact with the pixel circuits and being made of a silicon-containing inorganic material. The first layer is a mixed film containing at least one component changing seamlessly in a stacking direction.

公开(公告)号：US12048185B2

公开(公告)日：2024-07-23

申请号：US17185967

申请日：2021-02-26

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara

IPC: H10K50/84 ,  H10K50/842 ,  H10K50/844 ,  H10K59/12 ,  H10K59/40 ,  H10K71/00 ,  G06F1/16 ,  G09F9/30 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/80 ,  H10K50/813 ,  H10K50/87 ,  H10K59/121 ,  H10K59/123 ,  H10K59/35 ,  H10K59/80 ,  H10K77/10 ,  H10K102/00

CPC classification number: H10K50/844 ,  H10K50/8426 ,  H10K59/40 ,  H10K71/00 ,  G06F1/1652 ,  G09F9/301 ,  G09G2300/0408 ,  G09G2300/0804 ,  G09G2380/02 ,  H05K2201/09909 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/813 ,  H10K50/868 ,  H10K50/87 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/123 ,  H10K59/35 ,  H10K59/873 ,  H10K77/111 ,  H10K2102/311

Abstract: The display device includes: a display area; a first peripheral area disposed outside the display area; a second peripheral area disposed outside the first peripheral area; an inner dam disposed in the first peripheral area; an outer dam disposed outside the inner dam in the first peripheral area; a resin part formed between the inner dam and the outer dam so as to be higher than the inner dam and the outer dam; and a sealing film disposed so as to overlap with the display area in a plan view. An outer edge of the sealing film overlaps with the resin part or the outer dam in a plan view.

公开(公告)号：US10424675B2

公开(公告)日：2019-09-24

申请号：US15872073

申请日：2018-01-16

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara

IPC: H01L29/786 ,  H01L21/02 ,  H01L21/321 ,  H01L29/66 ,  H01L27/12

Abstract: A semiconductor device includes an oxide semiconductor layer above an insulating surface, a source electrode in contact with a side surface of the oxide semiconductor layer, a drain electrode in contact with a side surface of the oxide semiconductor layer, a gate insulating film above the oxide semiconductor layer, the source electrode, and the drain electrode, and, a gate electrode overlapping with the oxide semiconductor layer interposed by the gate insulating film. The gate electrode is arranged above and outside of the source electrode and the drain electrode.

公开(公告)号：US10274767B2

公开(公告)日：2019-04-30

申请号：US15649715

申请日：2017-07-14

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara

IPC: G02F1/1337 ,  G02F1/1333 ,  G02F1/1335 ,  H01L51/50 ,  H01L51/00 ,  H01L27/32

Abstract: There is provided a display device including a flexible substrate having a first surface and a second surface opposite to the first surface, the substrate including a display region on the first surface and a bending region on a part of the first surface or on a part of the second surface, the display region being arranged with a plurality of pixels, the bending region including an uneven pattern alternately arranged with regions, the thickness of the substrate being different in each region; and a plurality of wirings transmitting a signal for driving the plurality of pixels, each of the plurality of wirings being arranged in a top part or a bottom part of a convex portion in the uneven pattern in the bending region.

公开(公告)号：US10090372B2

公开(公告)日：2018-10-02

申请号：US15351617

申请日：2016-11-15

Applicant: Japan Display Inc.

Inventor： Hiroki Ohara

IPC: H01L51/00 ,  H01L27/32

Abstract: Provided is a highly reliable display device that does not easily cause a wiring or an interlayer insulating layer to be cracked when being folded. A display device includes a flexible substrate; a plurality of pixels arrayed on the substrate; and a wiring, provided on the substrate, transmitting a signal to drive the plurality of pixels. The wiring includes a first conductive layer having an opening pattern at least in a partial area thereof.