公开(公告)号：US11974467B2

公开(公告)日：2024-04-30

申请号：US17548707

申请日：2021-12-13

申请人： Japan Display Inc.

发明人： Kenta Kajiyama ,  Masakazu Kaida

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

CPC分类号： H10K59/123 ,  H10K59/124 ,  H10K59/1201

摘要： 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：US09899623B2

公开(公告)日：2018-02-20

申请号：US15245734

申请日：2016-08-24

申请人： Japan Display Inc.

发明人： Masakazu Kaida ,  Noriyoshi Kanda ,  Hirohisa Tanaka

IPC分类号： H01L29/18 ,  H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  H01L51/00

CPC分类号： H01L51/5206 ,  H01L27/3244 ,  H01L51/0023 ,  H01L51/5218 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/301 ,  H01L2251/308

摘要： A display device a display region arranged with a plurality of pixels in a matrix shape, wherein each of the plurality of pixels includes a first electrode including a first conducting layer on the first conducting layer and comprised from Mo or a Mo alloy, a second conducting layer comprised from Ag or an Ag alloy, and a third conducting layer on the second conducting layer and comprised from a metal oxide having conducting properties, the first electrode being arranged corresponding to each of the pixels respectively, a light emitting layer above the third conducting layer and emitting light according to a current supply, and a second electrode above the light emitting layer and allowing at least a part of the light from the light emitting layer to pass through.

公开(公告)号：US09853094B2

公开(公告)日：2017-12-26

申请号：US15072631

申请日：2016-03-17

申请人： Japan Display Inc.

发明人： Kenta Kajiyama ,  Masakazu Kaida

IPC分类号： H01L27/32

CPC分类号： H01L27/3248 ,  H01L27/3258 ,  H01L2227/323

摘要： 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：US11217644B2

公开(公告)日：2022-01-04

申请号：US16665276

申请日：2019-10-28

申请人： Japan Display Inc.

发明人： Kenta Kajiyama ,  Masakazu Kaida

IPC分类号： H01L27/32

摘要： 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：US10665813B2

公开(公告)日：2020-05-26

申请号：US16537697

申请日：2019-08-12

申请人： Japan Display Inc.

发明人： Noriyoshi Kanda ,  Masakazu Kaida

IPC分类号： H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

摘要： Disclosed is a display device having a pixel including a pixel electrode, an electroluminescence layer over the pixel electrode, and an opposing electrode over the electroluminescence layer. The pixel electrode possesses: a first conductive layer including a conductive oxide containing indium and zinc; a second conductive layer over the first conductive layer, the second conductive layer containing silver; and a third conductive layer over the second conductive layer, the third conductive layer including a conductive oxide containing indium and tin. A thickness of the first conductive layer is equal to or more than twice a thickness of the third conductive layer and equal to or less than five times the thickness of the third conductive layer.

公开(公告)号：US09865834B2

公开(公告)日：2018-01-09

申请号：US15091731

申请日：2016-04-06

申请人： Japan Display Inc.

发明人： Noriyoshi Kanda ,  Masakazu Kaida

IPC分类号： H01L51/56 ,  H01L51/52 ,  H01L27/32

CPC分类号： H01L51/5218 ,  H01L27/3244

摘要： A method of manufacturing a display device includes forming a three-layer laminate by laminating a first transparent conductive film, a metal film, and a second transparent conductive film in order from a substrate side. The three-layer laminate forms a plurality of anode electrodes arranged in a pixel region and a plurality of dummy electrodes arranged on an outer side of the pixel region. The method of manufacturing a display device also includes subjecting the second transparent conductive film and the metal film to etching and subjecting the first transparent conductive film to etching. A density of a pattern of the plurality of dummy electrodes is reduced as a distance from the pixel region is increased.

公开(公告)号：US09773992B2

公开(公告)日：2017-09-26

申请号：US15091927

申请日：2016-04-06

申请人： Japan Display Inc.

发明人： Satoshi Maruyama ,  Masakazu Kaida ,  Hirohisa Tanaka ,  Takanobu Takenaka ,  Noriyoshi Kanda

IPC分类号： H01L51/50 ,  H01L51/52 ,  H01L51/56

CPC分类号： H01L51/5012 ,  H01L27/3246 ,  H01L51/5056 ,  H01L51/5212 ,  H01L51/5228 ,  H01L51/5271 ,  H01L51/56 ,  H01L2251/308

摘要： An organic EL display device includes in order from a substrate side: a metal layer; an insulating layer formed on the metal layer; a first electrode layer formed on the insulating layer; an organic layer formed on the first electrode layer; and a second electrode layer formed on the organic layer. The metal layer is for use as a reflective layer configured to reflect, on a surface of the metal layer, light generated from the organic layer by applying a voltage between the first electrode layer and the second electrode layer.