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公开(公告)号：US20210223912A1
公开(公告)日：2021-07-22
申请号：US17224242
申请日：2021-04-07
Applicant: Japan Display Inc.
Inventor： Yusuke Tada , Hajime Akimoto
Abstract: A display device in an embodiment includes a first light emitting region; a second Eight emitting region located at a position away from the first light emitting region by a first distance in a first direction; a third light emitting region located at a position away from the second light emitting region by a second distance shorter than the first distance in the first direction; a first conductive portion located between the first light emitting region and the second light emitting region as seen from a display plane, the first conductive portion having a first width in the first direction, and a second conductive portion located between the second light emitting region and the third light emitting region as seen from the display plane, the second conductive portion having a second width shorter than the first width in the first direction.
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公开(公告)号：US10996805B2
公开(公告)日：2021-05-04
申请号：US16044637
申请日：2018-07-25
Applicant: Japan Display Inc.
Inventor： Yuki Hamada , Hajime Akimoto
Abstract: A display device comprising: a display region including a first pixel and a second pixel arranged apart from each other, and a third pixel, and a touch sensor includes a first sensor electrode and a second sensor electrode, wherein the touch sensor overlaps the display region, the first sensor electrode has an opening part in a region overlapping the first pixel and the second pixel, and surrounding the first pixel and the second pixel, and the second sensor electrode overlapping the third pixel.
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公开(公告)号：US10727283B2
公开(公告)日：2020-07-28
申请号：US16215756
申请日：2018-12-11
Applicant: Japan Display Inc.
Inventor： Kenta Hiraga , Hajime Akimoto
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.
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公开(公告)号：US10672845B2
公开(公告)日：2020-06-02
申请号：US16025122
申请日：2018-07-02
Applicant: Japan Display Inc.
Inventor： Koji Yasukawa , Hajime Akimoto
Abstract: A display device according to an embodiment of the present invention includes: an underlying structure layer; a first lower electrode that is arranged on the underlying structure layer; multiple lower electrodes including a second lower electrode adjacent to the first lower electrode; an organic layer that is arranged on the multiple lower electrodes; an upper electrode that is arranged on the organic layer; a first through hole that is arranged between the first lower electrode and the second lower electrode and includes a first inorganic layer at least in a part of an inner face; and a second inorganic layer that is arranged on the upper electrode and is in contact with the first inorganic layer in the inner face of the first through hole.
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公开(公告)号：US20200159356A1
公开(公告)日：2020-05-21
申请号：US16773066
申请日：2020-01-27
Applicant: Japan Display Inc.
Inventor： Yusuke TADA , Hajime Akimoto
Abstract: A display device includes a substrate having an insulating surface, a pixel part having a plurality of pixels on the insulating surface, a terminal part including a first terminal arranged in a region outside the pixel part on the insulating surface, and a second terminal arranged in a region inside the first terminal, a wiring part including a first wiring arranged between the pixel part and the terminal part, a sensing part overlapped on the pixel part, and a sealing part covering the pixel part and the wiring part. The first wiring included in the wiring part is electrically connected to a first detection electrode at an opening provided in the second inorganic insulating layer, and the first wiring extends to an outer region of the second inorganic insulating layer and is electrically connected to the second terminal.
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Patent Agency Ranking
公开(公告)号：US10586839B2
公开(公告)日：2020-03-10
申请号：US16451523
申请日：2019-06-25
Applicant: Japan Display Inc.
Inventor： Yasukazu Kimura , Takuma Nishinohara , Toshihiko Itoga , Hajime Akimoto
IPC: H01L27/32 , H01L51/00 , H01L51/52 , H01L27/12 , H01L29/786
Abstract: A display device includes: a flexible substrate; a pixel over the flexible substrate, the pixel including a transistor and a display element; a first wiring for transmitting a signal to the pixel, the first wiring extending in a first direction; a second wiring extending in a second direction intersecting the first direction; an inorganic insulating layer on a higher level than the first wiring or the second wiring; and an organic insulating layer on a higher level than the inorganic insulating layer, wherein the inorganic insulating layer has an opening exposing a part of the upper surface of the first wiring or the second wiring is exposed, and the organic insulating layer is provided in such a way as to fill the opening.
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公开(公告)号：US10510801B2
公开(公告)日：2019-12-17
申请号：US15514159
申请日：2015-08-21
Applicant: Japan Display Inc.
Inventor： Toshihiro Sato , Hajime Akimoto
Abstract: It is an object of the present invention to provide an image display device in which it is possible to adjust the spectrum of light emitted by pixels and adjust the chromaticity of the light emitted by the pixels. Provided is an image display device having a pixel region in which each pixel comprises a plurality of subpixels and the pixels are arranged in a matrix, wherein each of the subpixels includes a plurality of light-emitting layers overlapping each other with an electrode sandwiched therebetween, and the plurality of light-emitting layers each contain a quantum dot material and have different peak emission wavelengths from each other.
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公开(公告)号：US10437368B2
公开(公告)日：2019-10-08
申请号：US15878461
申请日：2018-01-24
Applicant: Japan Display Inc.
Inventor： Hideki Ozawa , Hajime Akimoto
Abstract: A display device includes a digitizer that outputs a signal according to an output value from a pressure sensor, a trigger generating circuit that receives the output from the pressure sensor and generates a trigger signal, a control circuit that drives the touch sensor and the pressure sensor, and a power supply circuit that supplies first electric power to the touch sensor, the pressure sensor, the digitizer, and the control circuit. When the power supply circuit does not supply the first electric power and there is input to the pressure sensor, the trigger generating circuit receives second electric power in response to the input. The trigger generating circuit generates and inputs the trigger signal based on the second electric power to the power supply circuit, and thereby, the power supply circuit shifts to a state of supplying the first electric power.
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公开(公告)号：US10388911B2
公开(公告)日：2019-08-20
申请号：US15628973
申请日：2017-06-21
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：US10186197B2
公开(公告)日：2019-01-22
申请号：US15478620
申请日：2017-04-04
Applicant: Japan Display Inc.
Inventor： Hajime Akimoto
IPC: G09G3/3233 , G09G3/3266
Abstract: In the first signal writing period which is a portion of one horizontal scan period, a first pixel signal is input to the first signal line. The first pixel signal is input from the first signal line to a first pixel circuit throughout a first signal converging period which is longer than the first signal writing period. A second pixel signal is input to the second signal line in a second signal writing period which is another portion of the one horizontal scan period. The second pixel signal is input from the second signal line to a second pixel circuit throughout a second signal converging period which is longer than the second signal writing period. After the first signal converging period and the second signal converging period, electric currents are supplied to the light emitting elements of the first pixel circuit and of the second pixel circuit.
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