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公开(公告)号：US20230280854A1
公开(公告)日：2023-09-07
申请号：US18195511
申请日：2023-05-10
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
CPC classification number: G06F3/0412 , G02F1/1343 , G02F1/13338 , G06F3/04164 , G06F3/0445 , G06F3/0446 , G02F1/133
Abstract: A sensor device is provided and includes electrodes each including first parts arranged in a first direction and a second part connected to the first parts, the first parts each having a first mesh shape which is formed of first metal wires, and the second part having a second mesh shape which is formed of second metal wires, wherein a longitudinal direction of the second part is the first direction, and at least one of the first mash shape and the second mash shape has an intersection portion at which two of the first metal wires or two of the second metal wires intersect.
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公开(公告)号：US20180095587A1
公开(公告)日：2018-04-05
申请号：US15722560
申请日：2017-10-02
Applicant: Japan Display Inc.
Inventor： Hayato KURASAWA , Naoki TAKADA , Shota HOSAKA , Toshihiko TANAKA , Chihiro TANAKA , Taiki KASAI
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04107 , G06F2203/04108 , G09G3/3648 , G09G3/3655
Abstract: A display apparatus includes a first substrate, a second substrate, a display functional layer, first electrodes, second electrodes, third electrodes, and a drive circuit. The second substrate faces the first substrate. The display functional layer is provided between the first substrate and the second substrate and used to display an image in a display area. The first electrodes are provided in the display area between the first substrate and the second substrate. The second electrodes are provided, facing the first electrodes, in the display area on the surface of the second substrate. The third electrodes are provided in a frame area on the outer side of the display area. The drive circuit supplies a first drive signal to at least one of the first electrodes and the second electrodes.
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公开(公告)号：US20230005444A1
公开(公告)日：2023-01-05
申请号：US17942269
申请日：2022-09-12
Applicant: Japan Display Inc.
Inventor： Kohei KINOSHITA , Chihiro TANAKA
IPC: G09G3/36 , G02F1/1362 , G02F1/1368
Abstract: A display device includes: pixel electrodes including a first pixel electrode and a second pixel electrode adjacent to the first pixel electrode in a first direction; switching elements including a first switching element coupled to the first pixel electrode and a second switching element coupled to the second pixel electrode; gate lines including a first gate line coupled to the first switching element and a second gate line coupled to the second switching element; a gate driver supplying a gate signal to the gate lines; and drive electrodes including a first drive electrode and a second drive electrode adjacent to the first drive electrode in the first direction. The first drive electrode overlaps the first and second pixel electrodes, and the second gate line. The second drive electrode overlaps the first gate line. The gate driver supplies the gate signal to the first and second gate lines simultaneously.
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公开(公告)号：US20210055833A1
公开(公告)日：2021-02-25
申请号：US17089971
申请日：2020-11-05
Applicant: Japan Display Inc.
Inventor： Toshihiko TANAKA , Naoki TAKADA , Chihiro TANAKA
Abstract: A touch panel driving circuit is provided and includes a plurality of output circuits each outputting a driving signal, respectively; a power supply line connected to a power of the plurality of output circuits; a power supply circuit; and a resistor element that is provided in common for the plurality of output circuits and is different from a resistance of the power supply line, wherein the power of the plurality of output circuits is connected to the power supply circuit through the resistor element and the power supply line.
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公开(公告)号：US20170083137A1
公开(公告)日：2017-03-23
申请号：US15266099
申请日：2016-09-15
Applicant: Japan Display Inc.
Inventor： Hayato KURASAWA , Toshihiko TANAKA , Naoki TAKADA , Chihiro TANAKA , Koji ISHIZAKI
CPC classification number: G06F3/0412 , G02F1/133 , G06F3/044
Abstract: According to one embodiment, a sensor-equipped display device includes a display panel which includes a sensor driving electrode disposed in a display area for displaying an image, detection electrodes each including a body portion opposed to the sensor driving electrode in the display area and a broadened portion connected to the body portion and formed to be wider than the body portion, and a lead line disposed in a non-display area outside the display area and electrically connected to the broadened portion. The broadened portion is disposed in the non-display area without being overlaid on the display area in planar view.
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Patent Agency Ranking
公开(公告)号：US20160012760A1
公开(公告)日：2016-01-14
申请号：US14795565
申请日：2015-07-09
Applicant: Japan Display Inc.
Inventor： Chihiro TANAKA , Toshihiko TANAKA , Toshinori UEHARA
IPC: G09G3/00
CPC classification number: G09G3/3648 , G09G2300/0426 , G09G2320/041
Abstract: According to an aspect, a display device comprising: a display unit; a plurality of electrodes arranged side by side in a first direction along a display surface of the display unit; a detecting unit that detects one of an electric resistance of the electrodes, a voltage, and a current; and a specifying unit that specifies temperature distribution of the display surface based on the one of the electric resistance of the electrodes, the voltage, and the current. The electrodes are tapered in a second direction along the display surface and orthogonal to the first direction, and the electrodes include a first electrode tapered toward one side in the second direction and a second electrode tapered toward the other side opposite to the one side. The first and second electrodes are alternately arranged side by side in the first direction.
Abstract translation: 根据一个方面，一种显示装置，包括：显示单元; 沿显示单元的显示表面沿第一方向并排布置的多个电极; 检测电极的电阻，电压和电流之一的检测单元; 以及指定单元，其基于电极的电阻，电压和电流中的一个来指定显示表面的温度分布。 电极沿着显示面在与第一方向正交的第二方向上逐渐变细，并且电极包括朝向第二方向的一侧渐缩的第一电极和朝向与该一侧相反的另一侧逐渐变细的第二电极。 第一和第二电极沿第一方向并排布置。
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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：US20210149516A1
公开(公告)日：2021-05-20
申请号：US17161226
申请日：2021-01-28
Applicant: Japan Display Inc.
Inventor： Chihiro TANAKA , Naoki TAKADA , Toshihiko TANAKA
Abstract: A control circuit for a display apparatus is provided and includes a buffer configured to temporarily store therein externally-supplied image data; and a controller configured to output pixel signals to signal lines of the display apparatus based on the image data stored in the buffer and read detection signals generated in detection conductors which extend along the signal lines of the display apparatus due to the pixel signals.
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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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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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