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公开(公告)号：US11803257B2
公开(公告)日：2023-10-31
申请号：US17516128
申请日：2021-11-01
Applicant: Japan Display Inc.
Inventor： Makoto Hayashi , Yuto Kakinoki , Takaaki Kono
CPC classification number: G06F3/038 , G06F3/0362 , G06F3/0393 , G06F3/0446 , H03K17/96 , G06F3/0202 , G06F3/0443 , G06F2203/04111
Abstract: An input support device arranged above a detection device including a plurality of electrodes, the input support device comprising: an LC circuit; a first electrode coupled to one end side of the LC circuit; a second electrode coupled to another end side of the LC circuit, and an adjustment circuit coupled to the LC circuit and configured to adjust circuit characteristics of the LC circuit.
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公开(公告)号：US11755270B2
公开(公告)日：2023-09-12
申请号：US17727076
申请日：2022-04-22
Applicant: Japan Display Inc.
Inventor： Takaaki Kono , Yoshio Owaki , Makoto Hayashi
IPC: G06F3/14 , G02F1/1333 , G02F1/1334 , G06F3/0488 , H10K59/40 , H10K59/128
CPC classification number: G06F3/1423 , G02F1/1334 , G02F1/13338 , G02F1/133342 , G06F3/0488 , H10K59/128 , H10K59/40
Abstract: An object of the present disclosure is to provide a technique capable of displaying an appropriate display image corresponding to a position of an observer. A display device includes a detection electrode, a first screen, and a second screen on a side opposite to the first screen. A distance between the detection electrode and the first screen is longer than a distance between the detection electrode and the second screen, or a dielectric constant between the detection electrode and the first screen is lower than a dielectric constant between the detection electrode and the second screen, or the distance between the detection electrode and the first screen is longer than the distance between the detection electrode and the second screen and the dielectric constant between the detection electrode and the first screen is lower than the dielectric constant between the detection electrode and the second screen.
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公开(公告)号：US11513639B2
公开(公告)日：2022-11-29
申请号：US17574903
申请日：2022-01-13
Applicant: Japan Display Inc.
Inventor： Takaaki Kono , Yuto Kakinoki , Makoto Hayashi
Abstract: An input detection system includes a plurality of drive electrodes and a plurality of detection electrodes aligned in a detection region, an input device including an LC circuit, a first electrode coupled to one end side of the LC circuit, and a second electrode coupled to another end side of the LC circuit, the input support device being disposed on the detection region, and a control circuit configured to detect the input support device based on detection signals that are output from the detection electrodes.
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公开(公告)号：US10782812B2
公开(公告)日：2020-09-22
申请号：US16173689
申请日：2018-10-29
Applicant: Japan Display Inc.
Inventor： Daisuke Ito , Hiroshi Mizuhashi , Makoto Hayashi , Yasuyuki Teranishi , Tadayoshi Katsuta
IPC: G06F3/041 , G02F1/133 , G02F1/1343 , G06F3/044 , G09G3/36 , G02F1/1333
Abstract: A liquid crystal display device includes: a liquid crystal element array including liquid crystal display elements arranged in a matrix form; scan lines arranged in each row of the liquid crystal element array and configured to supply scan signals to the liquid crystal display elements arranged in a corresponding row; signal lines arranged in each column of the liquid crystal element array and configured to supply image signals to the liquid crystal display elements arranged in a corresponding column; a plurality of driving electrodes arranged in the liquid crystal element array and supplied with driving signals for detecting an external proximity object; a first voltage line of a first voltage; a second voltage line of a second voltage; and a third voltage line of a third voltage.
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公开(公告)号：US10452193B2
公开(公告)日：2019-10-22
申请号：US16179268
申请日：2018-11-02
Applicant: Japan Display Inc.
Inventor： Naosuke Furutani , Hayato Kurasawa , Makoto Hayashi
IPC: G06F3/041 , G06F3/044 , G02F1/1333 , G09G3/36 , G02F1/1335 , G02F1/1337 , G02F1/1343 , G02F1/1362 , G02F1/1368
Abstract: A display device with a touch sensor having a display function and a touch sensor function is provided. The display device includes a first substrate including a pixel electrode; a first electrode along a first direction; and a second substrate including a second electrode that includes patterns of electrodes along a second direction crossing the first direction and that faces the first electrode and the pixel electrode, wherein upon the display function being activated, the pixel electrode is supplied with a pixel signal, and the second electrode is supplied with common voltage, and upon the touch sensor function being activated, the first electrode is applied with a first signal and the second electrode is configured to receive the first signal to be a second signal as a touch detecting signal.
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Patent Agency Ranking
公开(公告)号：US10452189B2
公开(公告)日：2019-10-22
申请号：US15078126
申请日：2016-03-23
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Hayato Kurasawa , Daichi Suzuki , Fumitaka Gotoh , Makoto Hayashi
IPC: G06F3/044 , G06F3/041 , G06F3/046 , G06F3/0354
Abstract: To provide a display device with a touch detection function capable of suppressing an increase of price.The display device includes a pixel array that has a plurality of pixels disposed in a matrix form, a plurality of scan lines that are disposed in each row of the pixel array and supply a scan signal to the plurality of pixels disposed in each corresponding row, a plurality of signal lines that are disposed in each column of the pixel array and supply an image signal to the plurality of pixels disposed in each corresponding column, and a plurality of drive electrodes that are disposed in the pixel array and supply a drive signal to the plurality of pixels at a time of displaying an image. A coil that generates a magnetic field is formed using the plurality of drive electrodes at a time of detecting an external proximity object.
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公开(公告)号：US10025422B2
公开(公告)日：2018-07-17
申请号：US15131227
申请日：2016-04-18
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Makoto Hayashi , Naosuke Furutani
IPC: G06F3/041 , G06F3/044 , G02F1/1339 , G06F3/047 , G09G5/00 , G02F1/1333
Abstract: According to an aspect, a display device with a touch sensor has a display function and a touch sensor function. The display device includes: a panel unit that comprises a first substrate, a second substrate, and a display function layer between the first substrate and the second substrate; a first electrode on the first substrate; a second electrode on the second substrate; a third electrode on the second substrate; and a capacitor for the touch sensor function. The capacitor is formed between either of the first electrode and the second electrode and the third electrode, or between both the first electrode and the second electrode and the third electrode. The frame portion outside the display area comprises, on the first substrate side thereof, a peripheral circuit, and the second electrode is provided in a position more distant upward from the peripheral circuit than the first electrode.
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公开(公告)号：US09916054B2
公开(公告)日：2018-03-13
申请号：US15058767
申请日：2016-03-02
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Makoto Hayashi , Yasuyuki Teranishi , Daisuke Ito
CPC classification number: G06F3/044 , G09G3/3648 , G09G3/3655 , G09G2300/0426
Abstract: A display device includes: a pixel array having pixels arranged in matrix and having a first side parallel to a row and a second side opposite to the first side; scanning lines arranged in each row of the pixel array to supply a scanning signal to the pixels arranged in a corresponding row; signal lines arranged in each column of the pixel array to supply an image signal to the pixels arranged in a corresponding column; drive electrodes arranged in a column of the pixel array and to which a drive signal to detect an external proximate object is supplied; and a first drive electrode circuit arranged along the first side and connected to control lines and the drive electrodes arranged in the pixel array to supply the drive signal to, among the drive electrodes, the drive electrode specified by a selection signal supplied via the control lines.
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公开(公告)号：US09727180B2
公开(公告)日：2017-08-08
申请号：US14187798
申请日：2014-02-24
Applicant: Japan Display Inc.
Inventor： Kohei Azumi , Jouji Yamada , Hirofumi Nakagawa , Michio Yamamoto , Makoto Hayashi , Hiroshi Mizuhashi , Kozo Ikeno , Yoshitoshi Kida
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416
Abstract: According to one embodiment, an electronic apparatus includes a sensor-equipped display device including a display device and a sensor which outputs information for detecting a contact position on the display device, a display driver which outputs a driving signal to the sensor based on one setting table, an application processor which outputs a table selection signal specifying a setting table and a sensor setting signal specifying a driving method of the sensor to the display driver, and a sensing circuit which outputs a dataset including three-dimensional information of a coordinate of a position on the display device and a physical quantity at the coordinate to the application processor, and outputs a table selection request signal generated based on the table selection signal, and a control signal which controls driving timing of the sensor to the display driver, the control signal having generated based on the sensor setting signal.
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公开(公告)号：US20160231858A1
公开(公告)日：2016-08-11
申请号：US15131227
申请日：2016-04-18
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Makoto Hayashi , Naosuke Furutani
IPC: G06F3/041 , G02F1/1333 , G06F3/044
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/1339 , G06F3/0412 , G06F3/044 , G06F3/047 , G09G5/006 , G09G2300/0426
Abstract: According to an aspect, a display device with a touch sensor has a display function and a touch sensor function. The display device includes: a panel unit that comprises a first substrate, a second substrate, and a display function layer between the first substrate and the second substrate; a first electrode on the first substrate; a second electrode on the second substrate; a third electrode on the second substrate; and a capacitor for the touch sensor function. The capacitor is formed between either of the first electrode and the second electrode and the third electrode, or between both the first electrode and the second electrode and the third electrode. The frame portion outside the display area comprises, on the first substrate side thereof, a peripheral circuit, and the second electrode is provided in a position more distant upward from the peripheral circuit than the first electrode.
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