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公开(公告)号：US20180260069A1
公开(公告)日：2018-09-13
申请号：US15913235
申请日：2018-03-06
Applicant: Japan Display Inc.
Inventor： Takafumi SUZUKI , Yasuyuki TERANISHI
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044
Abstract: A display device includes a substrate, pixel electrodes, first electrodes, gate lines, signal lines, switching elements, a conductor, and a driver. The pixel electrodes are arrayed in a display region of the substrate. The first electrodes are separated from the pixel electrodes in a direction perpendicular to the substrate. The gate lines are disposed between the substrate and the first electrodes in the direction perpendicular to the substrate and extend in a plane parallel to the surface of the substrate. The signal lines intersect the gate lines in planar view. The switching elements are provided at the intersections of the gate lines and the signal lines. The conductor is provided opposite to the gate lines and the signal lines across the substrate in the direction perpendicular to the substrate.
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公开(公告)号：US20170315671A1
公开(公告)日：2017-11-02
申请号：US15488645
申请日：2017-04-17
Applicant: Japan Display Inc.
Inventor： Takafumi SUZUKI , Yasuyuki TERANISHI
CPC classification number: G06F3/0418 , G06F3/0412 , G06F3/044 , G09G3/3611 , G09G3/3648 , G09G2354/00
Abstract: According to one embodiment, a display device includes drive electrodes, sensing electrodes, a driver, a first sensor circuit, and a second sensor circuit, wherein the drive electrodes include first drive electrodes and second drive electrodes which are arranged between the adjacent first drive electrodes, and a first width of the first drive electrodes in a first direction is an integer multiple of a second width of the second drive electrodes in the first direction.
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公开(公告)号：US20160188100A1
公开(公告)日：2016-06-30
申请号：US15059916
申请日：2016-03-03
Applicant: Japan Display Inc.
Inventor： Yasuyuki TERANISHI , Takafumi SUZUKI , Kohei AZUMI
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044
Abstract: A noise immunity of a detected capacitance is prevented or inhibited from lowering on a driving electrode different in width from the other driving electrodes, provided in an input device. A touch panel serving as an input device has a plurality of driving electrodes extending in an X-axis direction and arranged in a Y-axis direction intersecting with the X-axis direction, and a driving electrode arranged outside one side of an arrangement of the driving electrodes and extending in the X-axis direction. Further, the touch panel TP1 has a plurality of detecting electrodes extending in the Y-axis direction and arranged in the X-axis direction. The width of the driving electrode is smaller than the widths of the driving electrodes and the detecting electrode includes an expanding portion for expanding the area of the detecting electrode on the side opposite to the plurality of driving electrodes via the driving electrode.
Abstract translation: 检测到的电容的噪声抗扰度被抑制或抑制在设置在输入装置中的宽度不同于其它驱动电极的驱动电极上。 作为输入装置的触摸面板具有沿与X轴方向交叉的Y轴方向配置的X轴方向的多个驱动电极，配置在与X轴方向交叉的一侧的驱动电极 驱动电极并沿X轴方向延伸。 此外，触摸面板TP1具有沿Y轴方向延伸并且沿X轴方向布置的多个检测电极。 驱动电极的宽度小于驱动电极的宽度，并且检测电极包括用于经由驱动电极扩大与多个驱动电极相对的一侧上的检测电极的面积的扩展部。
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公开(公告)号：US20200012381A1
公开(公告)日：2020-01-09
申请号：US16573477
申请日：2019-09-17
Applicant: Japan Display Inc.
Inventor： Yasuyuki TERANISHI , Takafumi SUZUKI , Kohei AZUMI
Abstract: A noise immunity of a detected capacitance is prevented or inhibited from lowering on a driving electrode different in width from the other driving electrodes, provided in an input device. A touch panel serving as an input device has a plurality of driving electrodes extending in an X-axis direction and arranged in a Y-axis direction intersecting with the X-axis direction, and a driving electrode arranged outside one side of an arrangement of the driving electrodes and extending in the X-axis direction. Further, the touch panel TP1 has a plurality of detecting electrodes extending in the Y-axis direction and arranged in the X-axis direction. The width of the driving electrode is smaller than the widths of the driving electrodes and the detecting electrode includes an expanding portion for expanding the area of the detecting electrode on the side opposite to the plurality of driving electrodes via the driving electrode.
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公开(公告)号：US20190171326A1
公开(公告)日：2019-06-06
申请号：US16261015
申请日：2019-01-29
Applicant: Japan Display Inc.
Inventor： Takafumi SUZUKI , Shota HOSAKA , Yosuke NAKAMORI
IPC: G06F3/041 , F21V8/00 , G02F1/1343 , G06F3/044 , H01L27/32
CPC classification number: G06F3/0414 , G02B6/0046 , G02B6/0055 , G02F1/13338 , G02F1/134363 , G02F2001/134372 , G06F3/0412 , G06F3/0416 , G06F3/044 , G06F2203/04105 , G06F2203/04108 , H01L27/323 , H01L51/5206 , H01L51/5221
Abstract: According to an aspect, a force detection apparatus includes: a first electrode facing an input surface to which an object to be detected applies a force; a second electrode facing the first electrode across a first layer deformable by the force; a conductor facing the second electrode across a second layer deformable by the force; and a force detection controller calculates a force signal value indicating the force, based on a first influence amount and a second influence amount, the first influence amount being an amount of influence added by the force to first capacitance between the first electrode and the second electrode, and the second influence amount being an amount of influence added by the force to second capacitance between the second electrode and the conductor.
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Patent Agency Ranking
公开(公告)号：US20180059844A1
公开(公告)日：2018-03-01
申请号：US15692514
申请日：2017-08-31
Applicant: Japan Display Inc.
Inventor： Koji NOGUCHI , Takafumi SUZUKI , Michita KUDO
IPC: G06F3/041 , G02F1/1343 , G02F1/1333
CPC classification number: G06F3/0412 , G02F1/133308 , G02F1/13338 , G02F1/1343 , G06F3/0414 , G06F3/044 , G06F2203/04112
Abstract: According to one embodiment, a display device includes a display panel including a first substrate including a display area and a first detection electrode, and a second force sensing electrode opposing the display area and the first detection electrode with a gap therebetween. The second force sensing electrode includes a central portion opposing a central portion of the display region, a peripheral portion located to surround the central portion and a reinforcing structure which reinforces the peripheral portion, and the gap between the central portion and the first detection electrode is greater than a gap between the peripheral portion and the first detection electrode.
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公开(公告)号：US20180032209A1
公开(公告)日：2018-02-01
申请号：US15661248
申请日：2017-07-27
Applicant: Japan Display Inc.
Inventor： Takafumi SUZUKI , Shota HOSAKA , Koji NOGUCHI , Yasuyuki TERANISHI
CPC classification number: G06F3/0418 , G01L1/14 , G01L1/146 , G06F3/0414 , G06F3/0416 , G06F3/044 , G06F2203/04108
Abstract: A force detection apparatus includes: a force detector that includes an electrode and a conductor facing the electrode across a first and a second layers and outputs a force signal value before correction; and a force detection controller outputting a force signal value after correction having a linear relationship with a force. In a first range of force in which the first layer is deformed and the second layer is not deformed, the force detection controller calculates the force signal value after correction, based on a product of the force and a first constant. In a second range of force in which the first and second layers are deformed, the force detection controller calculates the force signal value after correction, based on a sum of a product of a threshold and the first constant and a product of a difference between the force and the threshold and a second constant.
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公开(公告)号：US20170351377A1
公开(公告)日：2017-12-07
申请号：US15684559
申请日：2017-08-23
Applicant: Japan Display Inc.
Inventor： Yasuyuki TERANISHI , Takafumi SUZUKI , Kohei AZUMI
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044
Abstract: A noise immunity of a detected capacitance is prevented or inhibited from lowering on a driving electrode different in width from the other driving electrodes, provided in an input device. A touch panel serving as an input device has a plurality of driving electrodes extending in an X-axis direction and arranged in a Y-axis direction intersecting with the X-axis direction, and a driving electrode arranged outside one side of an arrangement of the driving electrodes and extending in the X-axis direction. Further, the touch panel TP1 has a plurality of detecting electrodes extending in the Y-axis direction and arranged in the X-axis direction. The width of the driving electrode is smaller than the widths of the driving electrodes and the detecting electrode includes an expanding portion for expanding the area of the detecting electrode on the side opposite to the plurality of driving electrodes via the driving electrode.
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公开(公告)号：US20170269773A1
公开(公告)日：2017-09-21
申请号：US15455731
申请日：2017-03-10
Applicant: Japan Display Inc.
Inventor： Takafumi SUZUKI
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04105
Abstract: A display device includes: a display section having a screen and a first electrode section provided at a first position in a thickness direction; a second electrode section provided at a second position in the thickness direction; a gap section which is provided between the first electrode section and the second electrode section and is deformable in the thickness direction when the screen is pressed; and a circuit section which is connected to the first electrode section and the second electrode section, displays to the screen, and detects a press onto the screen, and a capacitance value of a first capacitance between the first electrode section and the second electrode section is changeable due to deformation of the gap section. In a force period, the circuit section applies a sensor driving signal to the second electrode section, and detects a sensor detection signal based on the sensor driving signal through the first capacitance.
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公开(公告)号：US20170160863A1
公开(公告)日：2017-06-08
申请号：US15354410
申请日：2016-11-17
Applicant: Japan Display Inc.
Inventor： Takafumi SUZUKI
IPC: G06F3/041 , G02F1/1333 , G02F1/1343 , G06F3/044
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/134336 , G02F1/13439 , G06F3/0412 , G06F3/044 , G06F2203/04107 , G06F2203/04108
Abstract: A display device includes: a display panel having a front surface and a back surface and displaying an image on the front surface; a plurality of detection electrodes overlapping the display panel when seen in a plan view; and a shield electrode overlapping the display panel when seen in a plan view. The shield electrode is arranged on a side opposite to a side of the front surface with respect to the plurality of detection electrodes. Based on electrostatic capacitance of the shield electrode, proximity or contact of an object to the front surface is detected, and based on electrostatic capacitance of each of the plurality of detection electrodes, a position of the object is detected.
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