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公开(公告)号：US20210278923A1
公开(公告)日：2021-09-09
申请号：US17328409
申请日：2021-05-24
Applicant: Japan Display Inc.
Inventor： Hayato KURASAWA , Toshihiko TANAKA , Naoki TAKADA , Chihiro TANAKA , Koji ISHIZAKI
IPC: G06F3/041 , G02F1/1343 , G02F1/1333 , G06F3/044 , G02F1/133
Abstract: A sensor device is provided and includes electrodes each including first parts and a second part connected to the first parts, the first parts each extending in a first direction, the second part extending in a second direction different from the first direction; and a lead line including a third part connected to the second part and a fourth part connected to the third part, the third part extending in the first direction, the fourth part extending in a third direction different from the first direction, wherein the electrodes are arranged in the second direction, the second part is located between the lead line and the first parts, and the third part is located between the second part and the fourth part.
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公开(公告)号：US20200333911A1
公开(公告)日：2020-10-22
申请号：US16918404
申请日：2020-07-01
Applicant: Japan Display Inc.
Inventor： Hayato KURASAWA , Kohei AZUMI , Koji ISHIZAKI , Hideki KANEKO , Tsutomu HARADA
IPC: G06F3/041 , G02F1/1333 , G02F1/1335 , G02F1/1343 , G06F3/044
Abstract: The reliability of a display device with an input device is improved. A plurality of detection electrodes (input position detection electrodes) forming an electrostatic capacity between them and a common electrode of a display device to detect an input position are formed on a different substrate from substrates configuring the display device. Moreover, a polarizing plate and the substrate on which the plurality of detection electrodes are formed are adhesively fixed via, for example, an adhesive layer so that the plurality of detection electrodes are fixed so as to be separated apart from the display device. Thus, a distance between electrodes (the detection electrode and a driving electrode) for detecting an input position can be set separately from a thickness of the display device, and therefore, reduction in detection sensitivity (detection reliability) for the input position due to increase in the electrostatic capacity can be suppressed.
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公开(公告)号：US20200233511A1
公开(公告)日：2020-07-23
申请号：US16840655
申请日：2020-04-06
Applicant: Japan Display Inc.
Inventor： Hayato KURASAWA , Koji ISHIZAKI
Abstract: A sensor-equipped display device is provided and includes a display panel and a detection electrode. The panel includes a display area in which pixels are arranged with a first pixel pitch in a first direction and a second pixel pitch in a second direction. The electrode includes an pattern having line fragments. The pattern has connection points at which ends of the fragments are connected to each other, and at least part of the connection points is arranged linearly such that an arrangement gaps thereof in the first and second direction is set to a first and second connection point pitch.
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公开(公告)号：US20200225802A1
公开(公告)日：2020-07-16
申请号：US16831295
申请日：2020-03-26
Applicant: Japan Display Inc.
Inventor： Koji NOGUCHI , Koji ISHIZAKI , Hayato KURASAWA
IPC: G06F3/041 , G01D5/24 , G02F1/1333 , G06F3/0354 , G06F3/044
Abstract: A detection apparatus includes a substrate, a display area, a peripheral area, a plurality of electrodes, a plurality of terminals, a first wire, and a second wire. The display area is provided on the surface of the substrate. The peripheral area is provided outside the display area. The electrodes are provided to the display area. The terminals are provided in correspondence with the respective electrodes in the peripheral area. The first wire couples an electrode to a terminal. The second wire couples the electrode to the terminal to which the first wire is coupled.
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公开(公告)号：US20200150809A1
公开(公告)日：2020-05-14
申请号：US16740073
申请日：2020-01-10
Applicant: JAPAN DISPLAY INC.
Inventor： Chihiro TANAKA , Naoki TAKADA , Toshihiko TANAKA , Hayato KURASAWA , Koji ISHIZAKI , Tatsuya WAKIMOTO , Masaki MIYATAKE
IPC: G06F3/041 , G02F1/1333 , G02F1/1343 , G06F3/044
Abstract: According to one embodiment, a touch detection device includes first detection electrodes in a detection area, second detection electrodes in the detection area, extending to intersect the first detection electrodes, first control lines connected to the first detection electrodes, respectively, and provided in a non-detection area, and second control lines connected to the second detection electrodes, respectively, and provided in the non-detection area. The second control lines overlap the first control lines at a plurality of positions as seen in plan view, such that areas of overlapping portions in which the first control lines overlap the second control lines are substantially equalized.
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Patent Agency Ranking
公开(公告)号：US20200033984A1
公开(公告)日：2020-01-30
申请号：US16590901
申请日：2019-10-02
Applicant: Japan Display Inc.
Inventor： Hayato KURASAWA , Toshihiko TANAKA , Naoki TAKADA , Chihiro TANAKA , Koji ISHIZAKI
IPC: G06F3/041 , G06F3/044 , G02F1/1343 , G02F1/1333 , G02F1/133
Abstract: According to one embodiment, a sensor device is provided and including electrodes each including a first line, a second line, and a third line; and a lead line connected to one of the electrodes at a first end portion of the one of the electrodes, wherein the first to third lines are electrically connected to each other, the first line runs in a first direction, the second line runs in a second direction different from the first direction, and intersects the first line, the electrodes are arranged in a third direction different from the first and second directions, the third line runs in the third direction and located along the first end portion, the lead line is drawn from the third line, and detection signals are detected by the electrodes.
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公开(公告)号：US20190196637A1
公开(公告)日：2019-06-27
申请号：US16289158
申请日：2019-02-28
Applicant: Japan Display Inc.
Inventor： Takeo KOITO , Koji ISHIZAKI , Hayato KURASAWA
IPC: G06F3/041 , G02F1/1333 , G06F3/044
CPC classification number: G06F3/0412 , G02F1/13338 , G06F3/044 , G06F2203/04112
Abstract: According to an aspect, a display device with a touch detecting function includes: a substrate; a display area; a touch detection electrode provided with a plurality of conductive thin wires, each of the conductive thin wires including a plurality of thin wire pieces each having a linear shape and including a first end and a second end; a drive electrode; and a display functional layer. The adjacent thin wire pieces are arranged so as to be bent at a bent portion serving as a portion at which the second end of the one thin wire piece of the adjacent thin wire pieces is connected to the first end of the other thin wire piece of the adjacent thin wire pieces, and the conductive thin wires include a bent portion having an angle formed by the adjacent thin wire pieces different from angles of the other bent portions.
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公开(公告)号：US20190130849A1
公开(公告)日：2019-05-02
申请号：US16174957
申请日：2018-10-30
Applicant: Japan Display Inc.
Inventor： Koji ISHIZAKI
Abstract: According to one embodiment, a display device, includes a display panel including a display portion, and a controller which controls the display panel, wherein the display portion includes pixel including a display element and a photodetector, the controller controls the display element based on a photodetection signal from the photodetector, the display element forms a first reflective region when overlapping a dark portion of the projected image, and forms a second reflective region when overlapping a bright portion of the projected image, a reflectance of the first reflective region is smaller than a reflectance of the second reflective region.
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公开(公告)号：US20190095035A1
公开(公告)日：2019-03-28
申请号：US16198027
申请日：2018-11-21
Applicant: Japan Display Inc.
Inventor： Hayato KURASAWA , Koji ISHIZAKI
Abstract: A touch detection device and a display device with a touch detection function include: a substrate; a touch detection electrode that is arranged on a plane parallel with the substrate, and that includes a plurality of wires arranged at intervals from one another; and a conductive layer that has a sheet resistance value larger than that of the wires, and that is in contact with and overlaps the wires.
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公开(公告)号：US20180239463A1
公开(公告)日：2018-08-23
申请号：US15957180
申请日：2018-04-19
Applicant: Japan Display Inc.
Inventor： Takeo KOITO , Koji ISHIZAKI , Hayato KURASAWA
CPC classification number: G06F3/044 , G06F3/0416 , G06F3/0418
Abstract: According to an aspect, a display device with a touch detection function includes: a substrate; a display area in which pixels each constituted by different color regions are arranged in a matrix and that includes color columns in which the color regions of the same colors extend side by side; a touch detection electrode that includes a plurality of conductive thin wires; and a drive electrode. Each of the conductive thin wires includes a plurality of portions at each of which the conductive thin wire extends in a direction at an angle with respect to a direction of extension of the color regions, and a plurality of bent portions at each of which the conductive thin wire is bent with the angle changed. The conductive thin wires include portions each overlapping all of the color columns in a direction orthogonal to the surface of the substrate.
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