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公开(公告)号：US20180136767A1
公开(公告)日：2018-05-17
申请号：US15794109
申请日：2017-10-26
Applicant: Japan Display Inc.
Inventor： Yuki HAMADA , Hajime AKIMOTO
CPC classification number: G06F3/0412 , G06F3/044 , G06F2203/04105 , H01L27/323 , H01L27/3244 , H01L51/5246 , H01L51/5253
Abstract: To provide a display device having a pressure sensor, including a plurality of first electrodes formed discretely at positions above a display area, a plurality of dielectric layers formed discretely on each of the plurality of first electrodes, a plurality of second electrodes formed on the plurality of dielectric layers, an elastic layer formed on each of the plurality of first electrodes in an area not overlapping the plurality of dielectric layers and the plurality of second electrodes, and a third electrode formed continuously in an area over the plurality of first electrodes, the plurality of dielectric layers, the plurality of second electrodes, and the plurality of elastic layers, wherein the third electrode is spaced apart from the dielectric layer and the second electrode, and the elastic layer is in contact with the first electrode and the third electrode.
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公开(公告)号：US20240423028A1
公开(公告)日：2024-12-19
申请号：US18731422
申请日：2024-06-03
Applicant: Japan Display Inc.
Inventor： Takanobu TAKENAKA , Kaichi FUKUDA , Masaru TAKAYAMA , Hirofumi MIZUKOSHI , Yuki HAMADA
IPC: H10K59/122 , H10K59/12 , H10K71/16
Abstract: According to one embodiment, a display device includes a substrate, a lower electrode, a rib, a partition having lower and upper portions, an organic layer, and an upper electrode. The partition has first and second partitions. The upper portion of the first partition has a first end portion. The upper portion of the second partition has a second end portion. A thickness of the organic layer immediately under the first end portion is less than that of the organic layer immediately under the second end portion. A thickness of the upper electrode immediately under the first end portion is greater than that of the upper electrode immediately under the second end portion.
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公开(公告)号：US20240423080A1
公开(公告)日：2024-12-19
申请号：US18740567
申请日：2024-06-12
Applicant: Japan Display Inc.
Inventor： Yuki HAMADA , Takanobu TAKENAKA , Hirofumi MIZUKOSHI , Masaru TAKAYAMA
IPC: H10K71/16
Abstract: According to one embodiment, a manufacturing device includes a main manufacturing line and a sub-line. The main manufacturing line includes a preprocessing portion, an in-line first evaporation device, a first CVD device for forming a first inorganic insulating layer of a sealing layer, a dry etching device for reducing a thickness of the first inorganic insulating layer, and a second CVD device for forming a second inorganic insulating layer of the sealing layer. The sub-line forms a detour which is different from the main manufacturing line as a conveyance path for conveying a processing substrate. The main manufacturing line and the sub-line form a loop conveyance path.
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公开(公告)号：US20190326556A1
公开(公告)日：2019-10-24
申请号：US16502289
申请日：2019-07-03
Applicant: Japan Display Inc.
Inventor： Yuki HAMADA , Hajime Akimoto
Abstract: A display device includes a display region including light emitting elements; a first inorganic insulating layer covering the light emitting elements; a first organic insulating layer on the first inorganic insulating layer; a second organic insulating layer on the first organic insulating layer; a third organic insulating layer on the second organic insulating layer; and a second inorganic insulating layer on the third organic insulating layer. Edges of the first to third organic insulating layers are between edges of the first and second inorganic insulating layers and an edge of the display region; the edge of the second organic insulating layer is between the edge of the first organic insulating layer and the edge of the display region; and the edge of the third organic insulating layer is between the edges of the first and second inorganic insulating layers and the edge of the second organic insulating layer.
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公开(公告)号：US20240180016A1
公开(公告)日：2024-05-30
申请号：US18498051
申请日：2023-10-31
Applicant: Japan Display Inc.
Inventor： Masaru TAKAYAMA , Takanobu TAKENAKA , Hirofumi MIZUKOSHI , Yuki HAMADA
CPC classification number: H10K71/60 , H10K71/233 , H10K59/871
Abstract: According to one embodiment, a method of manufacturing a display device, includes forming a lower electrode on a base including a first main surface and a side surface, the lower electrode being on the first main surface of the base, forming a rib including a pixel aperture, forming a partition on the rib, forming a first deposition film which includes a first organic layer which covers the lower electrode via the pixel aperture and a first upper electrode which covers the first organic layer and forming a first sealing layer which covers the first deposition film. The first sealing layer includes a first upper end portion which covers the first deposition film and a first side end portion which covers the side surface.
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Patent Agency Ranking
公开(公告)号：US20170250372A1
公开(公告)日：2017-08-31
申请号：US15416064
申请日：2017-01-26
Applicant: Japan Display Inc.
Inventor： Toshio TOJO , Hideki OZAWA , Yuki HAMADA
CPC classification number: H01L51/5253 , H01L27/3244 , H01L51/001 , H01L51/0011 , H01L51/0021 , H01L51/0025 , H01L51/0029 , H01L51/5012 , H01L51/5036 , H01L51/52 , H01L51/5221 , H01L51/5225 , H01L51/56 , H01L2227/323 , H01L2251/568
Abstract: A method for manufacturing a display device includes a first step of placing a substrate having a lower electrode formed thereon in a vacuum environment; a second step of forming in a vacuum an organic layer that includes a light emitting layer and covers the lower electrode; a third step of forming in a vacuum an upper electrode that covers the organic layer; a fourth step of forming in a vacuum a sealing layer that covers the upper electrode; and a cleaning step of cleaning the substrate after end of the first step before end of the fourth step.
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公开(公告)号：US20240414999A1
公开(公告)日：2024-12-12
申请号：US18677944
申请日：2024-05-30
Applicant: Japan Display Inc.
Inventor： Masaru TAKAYAMA , Kaichi FUKUDA , Takanobu TAKENAKA , Hirofumi MIZUKOSHI , Yuki HAMADA
Abstract: According to one embodiment, a manufacturing method includes preparing a substrate with a lower electrode, a rib and a partition, and forming an organic layer and an upper electrode. A first evaporation source used to form a first thin film of the organic layer includes a first nozzle emitting a material toward the substrate relatively moving. A second evaporation source used to form the upper electrode includes a second nozzle emitting a material toward the substrate relatively moving. An axis of at least one of the nozzles inclines to a direction orthogonal to a moving direction of the substrate with respect to a normal direction.
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公开(公告)号：US20240292728A1
公开(公告)日：2024-08-29
申请号：US18424968
申请日：2024-01-29
Applicant: Japan Display Inc.
Inventor： Yuki HAMADA , Takanobu TAKENAKA , Hirofumi MIZUKOSHI , Masaru TAKAYAMA
IPC: H10K71/16
CPC classification number: H10K71/164
Abstract: According to one embodiment, a manufacturing device includes a first evaporation chamber including first and second evaporation sources located between a first conveyance path and a second conveyance path for conveying a processing substrate. The first evaporation source is configured to emit a material to the first conveyance path. The second evaporation source is configured to emit a material to the second conveyance path. The manufacturing device further includes a first rotation chamber including a rotation mechanism which rotates while holding the processing substrate carried out of the first conveyance path of the first evaporation chamber, and configured to carry out the processing substrate to the second conveyance path of the first evaporation chamber.
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公开(公告)号：US20240206307A1
公开(公告)日：2024-06-20
申请号：US18522255
申请日：2023-11-29
Applicant: Japan Display Inc.
Inventor： Takanobu TAKENAKA , Masaru TAKAYAMA , Yuki HAMADA
CPC classification number: H10K71/164 , C23C14/028 , C23C14/12 , C23C14/24 , C23C14/505 , C23C14/566 , H01L21/67706 , H01L21/67718 , H10K71/60
Abstract: According to one embodiment, a manufacturing device of a display device includes first, second, third and fourth evaporation portions. A conveyance mechanism includes a first rail provided along the first evaporation portion, a second rail provided along the second evaporation portion, a third rail provided along the third evaporation portion, a fourth rail provided along the fourth evaporation portion, a first rotation chamber provided between the first rail and the second rail and between the third rail and the fourth rail and rotating the processing substrate which passed through the first rail and conveying the processing substrate to the fourth rail, and a gate valve provided between the first rotation chamber and the third and fourth rails.
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公开(公告)号：US20240112932A1
公开(公告)日：2024-04-04
申请号：US18476341
申请日：2023-09-28
Applicant: Japan Display Inc.
Inventor： Takanobu TAKENAKA , Hirofumi MIZUKOSHI , Masaru TAKAYAMA , Yuki HAMADA
CPC classification number: H01L21/67173 , C23C14/12 , C23C14/24 , C23C14/568 , C23C14/5806 , C23C14/5873 , H01L21/67748 , H10K59/1201 , H10K71/16
Abstract: According to one embodiment, a manufacturing device of a display device includes a conveyance mechanism for conveying a processing substrate in a first direction, and first, second, third and fourth evaporation portions arranged in order in the first direction. The first evaporation portion includes a plurality of evaporation chambers for forming an organic layer. The second evaporation portion includes an evaporation chamber for forming an upper electrode. The third evaporation portion includes an evaporation chamber for forming a first transparent layer. The fourth evaporation portion includes an evaporation chamber for forming a second transparent layer having a refractive index less than a refractive index of the first transparent layer on the first transparent layer.
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