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公开(公告)号：US10365746B2
公开(公告)日：2019-07-30
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 , H01L51/52 , G02F1/1333
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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公开(公告)号：US10318054B2
公开(公告)日：2019-06-11
申请号：US15455731
申请日：2017-03-10
Applicant: Japan Display Inc.
Inventor： Takafumi Suzuki
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：US10185434B2
公开(公告)日：2019-01-22
申请号：US15336290
申请日：2016-10-27
Applicant: Japan Display Inc.
Inventor： Takafumi Suzuki , Kohei Azumi
IPC: G06F3/041 , G06F3/044 , G02F1/1333
Abstract: A display device is provided. The display device including a display panel including a display area, a frame area; a plurality of pixel electrodes in the display area; a plurality of share electrodes in the display area; a display function layer controlled by the pixel electrodes and the share electrodes; a plurality of touch detect electrodes forming capacitors with the plurality of the share electrodes; a circuit for generating signals to apply to the share electrodes; and a plurality of wirings coupled to the circuit and the share electrodes in the frame area, wherein the longer a path including each of the share electrodes and each of the wirings is, the shorter pulses of each of the signals become.
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公开(公告)号：US10120503B2
公开(公告)日：2018-11-06
申请号：US15488645
申请日：2017-04-17
Applicant: Japan Display Inc.
Inventor： Takafumi Suzuki , Yasuyuki Teranishi
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：US09921681B2
公开(公告)日：2018-03-20
申请号：US15172266
申请日：2016-06-03
Applicant: Japan Display Inc.
Inventor： Tadayoshi Katsuta , Hiroshi Mizuhashi , Daisuke Ito , Takafumi Suzuki
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04101
Abstract: A display device includes a plurality of pixel electrodes, a plurality of drive electrodes and a touch detection electrode. A display function layer is controlled by a voltage generated between the plurality of pixel electrodes and the plurality of drive electrodes in a display period, and touch detection is performed by detecting a voltage of the touch detection electrode in a touch detection period. In the display period, the plurality of drive electrodes are connected to a first wiring, and in the touch detection period, selected drive electrodes of the plurality of drive electrodes are connected to the first wiring, and the other non-selected drive electrodes of the plurality of drive electrodes are connected to a second wiring.
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Patent Agency Ranking
公开(公告)号：US20170285255A1
公开(公告)日：2017-10-05
申请号：US15478612
申请日：2017-04-04
Applicant: Japan Display Inc.
Inventor： Yosuke Nakamori , Takafumi Suzuki
IPC: F21V8/00 , G02F1/1343 , G02F1/1335
CPC classification number: G02B6/0088 , G02B6/005 , G02B6/0055 , G02F1/133528 , G02F1/134309
Abstract: According to one embodiment, a backlight device includes a case, a light guide in the case, a first optical sheet on the light guide, a second optical sheet on the first optical sheet, a first adhesive provided between the case and at least one of the first optical sheet and the second optical sheet, to stick at least one of the optical sheets to the case, and a light source in the case, configured to radiate light to the light guide.
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27.发明授权公开(公告)号：US09588627B2
公开(公告)日：2017-03-07
申请号：US14854580
申请日：2015-09-15
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Takafumi Suzuki
CPC classification number: G06F3/0416 , G02F1/13338 , G06F3/0412 , G06F3/044 , G06F3/047 , G06F2203/04103 , G09G3/3406 , G09G3/36 , G09G2300/0426
Abstract: According to an aspect, a display device with a touch detection function includes: a first substrate; a plurality of pixel electrodes in a first region; a display functional layer; a plurality of first drive electrodes facing the pixel electrodes in a perpendicular direction with respect to a surface of the first substrate; and a plurality of touch detection electrodes facing the first drive electrodes and extending in a direction different from a direction in which the first drive electrodes are extended. At least one touch detection electrode of the plurality of touch detection electrodes extends from the first region to a second region adjacent to the first region. A second drive electrode capacitively-coupled to the at least one touch detection electrode is further provided in the second region.
Abstract translation: 根据一方面，具有触摸检测功能的显示装置包括：第一基板; 在第一区域中的多个像素电极; 显示功能层; 多个第一驱动电极，其相对于第一基板的表面在垂直方向上面对像素电极; 以及面向第一驱动电极并沿与第一驱动电极延伸的方向不同的方向延伸的多个触摸检测电极。 多个触摸检测电极中的至少一个触摸检测电极从第一区域延伸到与第一区域相邻的第二区域。 电容耦合到所述至少一个触摸检测电极的第二驱动电极进一步设置在所述第二区域中。
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公开(公告)号：US11853521B2
公开(公告)日：2023-12-26
申请号：US17508507
申请日：2021-10-22
Applicant: Japan Display Inc.
Inventor： Yasuyuki Teranishi , Takafumi Suzuki , Kohei Azumi
CPC classification number: G06F3/0448 , G06F3/044 , G06F3/0412 , G06F3/0416 , G06F3/0445 , G06F3/0446 , G06F3/04166
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：US10809852B2
公开(公告)日：2020-10-20
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：US10437379B2
公开(公告)日：2019-10-08
申请号：US15684559
申请日：2017-08-23
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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