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公开(公告)号：US10282048B2
公开(公告)日：2019-05-07
申请号：US15856595
申请日：2017-12-28
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Makoto Hayashi , Yasuyuki Teranishi , Daisuke Ito
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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22.发明申请公开(公告)号：US20190121212A1
公开(公告)日：2019-04-25
申请号：US16223554
申请日：2018-12-18
Applicant: Japan Display Inc.
Inventor： Daisuke Ito , Hideyuki Omori
IPC: G02F1/1362 , G02F1/1343 , G02F1/1337
CPC classification number: G02F1/136286 , G02F1/133707 , G02F1/133784 , G02F1/134363 , G02F2001/134372 , G02F2201/52
Abstract: A liquid crystal display device includes: a plurality of scan lines and signal lines on one of a pair of substrates arranged to be opposed to each other with a liquid crystal layer sandwiched therebetween, the scan lines and signal lines extending in different directions; and an orientation film, pixel electrode, insulating layer and common electrode, the orientation film being rubbed in a rubbing direction having a given inclination with respect to a pixel arrangement direction. The pixel electrode is partitioned by the scan lines and signal lines and has subpixels made up of first and second regions. The first region has a plurality of slit-shaped openings having a given inclination in a first direction with respect to the rubbing direction. The second region has a plurality of slit-shaped openings having a given inclination in a second direction with respect to the rubbing direction.
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23.发明授权公开(公告)号：US10197879B2
公开(公告)日：2019-02-05
申请号：US15785706
申请日：2017-10-17
Applicant: Japan Display Inc.
Inventor： Daisuke Ito , Hideyuki Omori
IPC: G02F1/1362 , G02F1/1337 , G02F1/1343
Abstract: A liquid crystal display device includes: a plurality of scan lines and signal lines on one of a pair of substrates arranged to be opposed to each other with a liquid crystal layer sandwiched therebetween, the scan lines and signal lines extending in different directions; and an orientation film, pixel electrode, insulating layer and common electrode, the orientation film being rubbed in a rubbing direction having a given inclination with respect to a pixel arrangement direction. The pixel electrode is partitioned by the scan lines and signal lines and has subpixels made up of first and second regions. The first region has a plurality of slit-shaped openings having a given inclination in a first direction with respect to the rubbing direction. The second region has a plurality of slit-shaped openings having a given inclination in a second direction with respect to the rubbing direction.
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公开(公告)号：US10168808B2
公开(公告)日：2019-01-01
申请号：US14982598
申请日：2015-12-29
Applicant: Japan Display Inc.
Inventor： Daisuke Ito , Hiroshi Mizuhashi , Makoto Hayashi , Yasuyuki Teranishi , Tadayoshi Katsuta
IPC: G06F3/041 , G06F3/044 , G02F1/133 , G02F1/1343 , 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：US20180196549A1
公开(公告)日：2018-07-12
申请号：US15867202
申请日：2018-01-10
Applicant: Japan Display Inc.
Inventor： Daisuke Ito , Hayato Kurasawa , Toshihiko Fujiwara
IPC: G06F3/044 , G06F3/041 , G02F1/1343 , G02F1/1335 , G02F1/1333
CPC classification number: G06F3/044 , G02F1/13338 , G02F1/133512 , G02F1/133528 , G02F1/134309 , G02F2202/28 , G06F3/0412 , G06F3/0416 , G06F2203/04107 , G06F2203/04111 , H03K17/9622 , H03K2017/9602 , H03K2217/96023 , H03K2217/960755
Abstract: According to one embodiment, a display device includes a display panel having a display area, a first substrate opposed to the display panel, an adhesive layer arranged between the display panel and the first substrate, a first electrode formed at the first substrate in a peripheral area arranged along at least a part of an outer edge of the display area, a second electrode formed at the display panel in the peripheral area. In the display device, the first electrode includes a first portion which is opposed to the second electrode and a second portion which is not opposed to the second electrode, and the adhesive layer is interposed between the first portion and the second electrode.
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Patent Agency Ranking
公开(公告)号：US09965121B2
公开(公告)日：2018-05-08
申请号：US14944929
申请日：2015-11-18
Applicant: Japan Display Inc.
Inventor： Yasuyuki Teranishi , Daisuke Ito , Hiroshi Mizuhashi
CPC classification number: G06F3/044 , G06F3/0412 , G06F2203/04103 , G06F2203/04111 , G09G3/3607 , G09G3/3648 , G09G2354/00
Abstract: To provide a display capable of achieving downsizing and a touch detection method. The display includes a pixel array including a plurality of pixels disposed in a matrix form, a plurality of scanning lines disposed in each row of the pixel array and supplying scanning signals to the plurality of pixels disposed in corresponding rows, a plurality of signal lines disposed in each column of the pixel array and supplying image signals to the plurality of pixels disposed in corresponding columns, a plurality of common electrodes disposed in each of the columns of the pixel array and supplied with driving signals for detecting touch, and a semiconductor device for touch including a plurality of driving terminals for supplying the driving signals. Here, the plurality of driving terminals of the semiconductor device for touch are smaller in number than the plurality of common electrodes disposed in the pixel array.
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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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28.发明授权公开(公告)号：US09823533B2
公开(公告)日：2017-11-21
申请号：US14887897
申请日：2015-10-20
Applicant: Japan Display Inc.
Inventor： Daisuke Ito , Hideyuki Omori
IPC: G02F1/1362 , G02F1/1337 , G02F1/1343
CPC classification number: G02F1/136286 , G02F1/133707 , G02F1/133784 , G02F1/134363 , G02F2001/134372 , G02F2201/52
Abstract: A liquid crystal display device includes: a plurality of scan lines and signal lines on one of a pair of substrates arranged to be opposed to each other with a liquid crystal layer sandwiched therebetween, the scan lines and signal lines extending in different directions; and an orientation film, pixel electrode, insulating layer and common electrode, the orientation film being rubbed in a rubbing direction having a given inclination with respect to a pixel arrangement direction. The pixel electrode is partitioned by the scan lines and signal lines and has subpixels made up of first and second regions. The first region has a plurality of slit-shaped openings having a given inclination in a first direction with respect to the rubbing direction. The second region has a plurality of slit-shaped openings having a given inclination in a second direction with respect to the rubbing direction.
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公开(公告)号：US09791954B2
公开(公告)日：2017-10-17
申请号：US15386978
申请日：2016-12-21
Applicant: Japan Display Inc.
Inventor： Yasuyuki Teranishi , Koji Noguchi , Hidetoshi Komatsu , Gen Koide , Daisuke Ito
CPC classification number: G06F3/0412 , G06F1/26 , G06F3/0416 , G06F3/044 , G09G3/006 , G09G3/3674 , G09G3/3696 , G09G2310/0297 , G09G2330/021
Abstract: According to an aspect, a display device includes: a display section that has a first period to consume predetermined power and a second period to consume less power than in the first period, and power consumption of which periodically changes by repeating the first period and the second period; a smoothing capacitor that stabilizes power supplied to the display section; and a power consumption unit that consumes the supplied power in the second period.
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30.发明授权公开(公告)号：US09727163B2
公开(公告)日：2017-08-08
申请号：US14598514
申请日：2015-01-16
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Tadayoshi Katsuta , Kohei Azumi , Daisuke Ito
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/0418 , G06F3/044
Abstract: According to an aspect, a touch detection device includes drive electrodes, touch detection electrodes, a signal generation unit that generates direct-current signals having voltages different from one another, a first drive unit that selectively supplies one of the direct-current signals to the drive electrodes, an element, a second drive unit that selectively supplies one of the direct-current signals to one end of the element in synchronization with the first drive unit, and a detection unit that acquires output values from the touch detection electrodes and an output value from the element at the same time, and detects proximity or contact of a target object based on values obtained by correcting the output values from the touch detection electrodes using the output value from the element.
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