公开(公告)号：US09972796B2

公开(公告)日：2018-05-15

申请号：US15284572

申请日：2016-10-04

Applicant: Japan Display Inc.

Inventor： Kenta Kajiyama

IPC: H01L27/32 ,  H01L51/00 ,  H01L27/12 ,  H01L29/423

CPC classification number: H01L51/0097 ,  H01L27/1218 ,  H01L27/1244 ,  H01L27/1248 ,  H01L29/42384 ,  H01L2029/42388

Abstract: Provided is a display device including: a first wiring over an insulating surface; a sidewall over the insulating surface and covering a side surface of the first wiring; an insulating film over the first wiring and the sidewall; and a second wiring over the insulating film, the second wiring intersecting with the first wiring, where an angle of a surface of the sidewall with respect to the insulating surface is smaller than an angle of the side surface of the first wiring with respect to the insulating surface. The angle increases with decreasing distance from the first wiring. An intersection portion of the first wiring and the second wiring is located in a display region of the display device and included in a bent portion of the display device when the display device is bent so that the first wiring is bent.

公开(公告)号：US11974467B2

公开(公告)日：2024-04-30

申请号：US17548707

申请日：2021-12-13

Applicant: Japan Display Inc.

Inventor： Kenta Kajiyama ,  Masakazu Kaida

IPC: H10K59/123 ,  H10K59/124 ,  H10K59/12

CPC classification number: H10K59/123 ,  H10K59/124 ,  H10K59/1201

Abstract: A display device and manufacturing method thereof with a high level of reliability is provided without increasing the number of manufacturing processes. The display device includes a first conductor, a first insulation layer including a first contact hole exposing a part of the first conductor, a second insulation layer including a second contact hole exposing at least a part of the first contact hole and a part of a surface of the first insulation layer, a pixel electrode overlapping a part of the second contact hole and electrically connected to the first conductor, and a third insulation layer contacting the first insulation layer via the second contact hole.

公开(公告)号：US11417721B2

公开(公告)日：2022-08-16

申请号：US16984454

申请日：2020-08-04

Applicant: Japan Display Inc.

Inventor： Kenta Kajiyama

IPC: H01L27/32 ,  G02F1/1362

Abstract: A display device includes: a second wiring layer on the first insulating film, the second wiring layer overlapping with a part of the first pad portion, the second wiring layer including a second pad portion not overlapping with the first line portion; an etching-stop layer overlapping with at least a boundary between the first pad portion and the first line portion; a second insulating film covering the second wiring layer, the second insulating film having a contact hole, the contact hole including a first area where the second insulating film, the first insulating film, and the first pad portion are penetrated, the contact hole including a second area where the second insulating film is penetrated and the second pad portion is a bottom; and a third wiring layer inside the contact hole, the third wiring layer connected to the first pad portion and the second pad portion.

公开(公告)号：US11276740B2

公开(公告)日：2022-03-15

申请号：US16833763

申请日：2020-03-30

Applicant: Japan Display Inc.

Inventor： Kenta Kajiyama

IPC: H01L27/32 ,  H01L51/52

Abstract: The semiconductor device includes: a first conductor pattern disposed on an insulating surface; and a second conductor pattern disposed on the insulating surface and spaced apart from the first conductor pattern, wherein, in a planar view, a first side of the first conductor pattern and a second side of the second conductor pattern are each formed of a plurality of sides, the first side and the second side face each other, and each of a maximum length of a plurality of sides constituting the first side and a maximum length of a plurality of sides constituting the second side is shorter than the minimum distance between the first side and the second side.

公开(公告)号：US10658617B2

公开(公告)日：2020-05-19

申请号：US16433249

申请日：2019-06-06

Applicant: Japan Display Inc.

Inventor： Kenta Kajiyama

IPC: H01L51/52 ,  H01L27/32 ,  G09G3/3233 ,  H01L51/00

Abstract: A display device in an embodiment according to the present invention includes a substrate including a first surface and a second surface opposing the first surface, a display area on the first surface of the substrate and including a plurality of pixels, a periphery area on an outer side of the display area of the first surface, and a sealing layer covering the display area and the periphery area. The periphery area includes a drive circuit outputting a signal to the display area, an input terminal part input with a signal for driving the drive circuit, and a plurality of wirings arranged between the drive circuit and the input terminal part, and the sealing layer includes at least one opening part exposing the first surface of the substrate in an area inside a corner part of the substrate in the periphery area.

公开(公告)号：US10026786B2

公开(公告)日：2018-07-17

申请号：US15404423

申请日：2017-01-12

Applicant: Japan Display Inc.

Inventor： Ikuo Matsunaga ,  Kenta Kajiyama

IPC: H01L27/32

Abstract: A display device comprising a display region on which a plurality of subpixels are arranged. The plurality of subpixels respectively comprise a transistor, a first organic insulating film, an inorganic insulating film, an electrode, and a second organic insulating film that covers an edge part of a first region in which a pattern of the electrode is formed. The inorganic film comprises an opening in a region that overlaps with the second region in which a pattern of the electrode is not formed in a planar view. The opening is formed in a middle between the first region of a first subpixel and the first region of a second subpixel or at a point located on the side closer to the first subpixel between the first region of the first subpixel and the first region of the second subpixel.

公开(公告)号：US09779652B2

公开(公告)日：2017-10-03

申请号：US14939644

申请日：2015-11-12

Applicant: Japan Display Inc.

Inventor： Kenta Kajiyama ,  Toshihiro Sato

IPC: H01L27/32 ,  G09G3/30

CPC classification number: G09G3/30 ,  G09G2300/0426 ,  H01L27/3213 ,  H01L27/3276 ,  H01L27/3279

Abstract: A sub-pixel is provided in a display area of an organic EL display device. A bank layer surrounds an outer periphery of the sub-pixel. A contact area is positioned in the display area and is adjacent to the sub-pixel through the bank layer. A pixel electrode is provided in the sub-pixel. A common electrode is disposed across the sub-pixel and the contact area. At least a part of an auxiliary conductive layer is positioned in the contact area. A contact hole is provided in the contact area and electrically connects the common electrode and the auxiliary conductive layer.