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公开(公告)号：US11256152B2
公开(公告)日：2022-02-22
申请号：US17095274
申请日：2020-11-11
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：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：US10229645B2
公开(公告)日：2019-03-12
申请号：US15434598
申请日：2017-02-16
Applicant: Japan Display Inc.
Inventor： Hidemasa Yamaguchi , Hironao Tanaka , Daisuke Ito
IPC: G09G3/36 , G02F1/133 , G02F1/1335 , G02F1/1343 , H01L27/12
Abstract: A display device includes: pixels corresponding to respective colors arranged in matrix, wherein each pixel has a pixel circuit portion in which a circuit for display driving of the pixel is arranged and a pixel opening to be an area obtaining effective display light, the pixel openings of the pixels corresponding to at least one color have an area different from areas of the pixel openings of pixels corresponding to other colors.
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公开(公告)号：US10156926B2
公开(公告)日：2018-12-18
申请号：US14987358
申请日：2016-01-04
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Yasuyuki Teranishi , Toshiaki Fukushima , Daisuke Ito , Gen Koide , Tadayoshi Katsuta
IPC: G09G5/00 , G06F3/041 , G02F1/133 , G02F1/1343 , G02F1/1362 , G02F1/1368 , G06F3/044 , G09G3/36 , G02F1/1333 , G02F1/1345
Abstract: A liquid crystal display device includes a liquid crystal element array having liquid crystal display elements arranged in matrix, scanning lines arranged in each row of the liquid crystal element array and supplying a scanning signal to the liquid crystal display elements in a corresponding row, signal lines arranged in each column of the liquid crystal element array and supplying an image signal to the liquid crystal display elements in a corresponding column, drive electrodes arranged in the column of the liquid crystal element array and to which a drive signal to detect a touch is supplied, a signal line drive circuit arranged along one side of the liquid crystal element array parallel to the row of the liquid crystal element array and forming the image signal, and a first electrode drive circuit arranged along the other side of the liquid crystal element array and forming the drive signal.
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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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Patent Agency Ranking
公开(公告)号：US09529222B2
公开(公告)日：2016-12-27
申请号：US14526955
申请日：2014-10-29
Applicant: Japan Display Inc.
Inventor： Yasuyuki Teranishi , Daisuke Ito
IPC: G06F3/044 , G02F1/1333 , G06F3/042 , G06F3/041 , G02F1/1343
CPC classification number: G02F1/13338 , G02F1/134363 , G02F2001/134372 , G06F3/0412 , G06F3/042 , G06F3/044
Abstract: According to one embodiment, a display device includes first interconnects, second interconnects, third interconnects, fourth interconnects, switch elements, pixel electrodes, a first insulating layer, a display layer, and a control unit. Each of the switch elements is electrically connected to one of the first interconnects and one of the second interconnects. The pixel electrodes are electrically connected respectively to the switch elements. The first insulating layer is provided between the second and third interconnects. The fourth interconnects are separated from the first to third interconnects, the switch elements, and the pixel electrodes. The display layer is provided between the pixel electrodes and the fourth interconnects. The display layer performs an optical operation of one of a light emission and a change of an optical characteristic. The control unit performs a sense operation, a first display operation, a second display operation, and a pre-display operation.
Abstract translation: 根据一个实施例，显示装置包括第一互连，第二互连，第三互连，第四互连，开关元件，像素电极，第一绝缘层，显示层和控制单元。 每个开关元件电连接到第一互连中的一个和第二互连中的一个。 像素电极分别电连接到开关元件。 第一绝缘层设置在第二和第三互连之间。 第四互连与第一至第三互连，开关元件和像素电极分离。 显示层设置在像素电极和第四互连之间。 显示层进行发光和光学特性的变化之一的光学操作。 控制单元执行感测操作，第一显示操作，第二显示操作和预显示操作。
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公开(公告)号：US20160147339A1
公开(公告)日：2016-05-26
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.
Abstract translation: 提供能够实现小型化的显示和触摸检测方法。 该显示器包括：像素阵列，其包括以矩阵形式布置的多个像素;多个扫描线，设置在每行像素阵列中，并将扫描信号提供给布置在相应行中的多个像素;多条信号线， 在像素阵列的每列中，并且将图像信号提供给布置在相应列中的多个像素，设置在像素阵列的每个列中并提供有用于检测触摸的驱动信号的多个公共电极，以及用于 触摸包括用于提供驱动信号的多个驱动端子。 这里，用于触摸的半导体器件的多个驱动端子的数量比设置在像素阵列中的多个公共电极的数量少。
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公开(公告)号：US09251758B2
公开(公告)日：2016-02-02
申请号：US14204519
申请日：2014-03-11
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.
Abstract translation: 根据一个方面，一种显示装置包括：显示部，其具有消耗预定功率的第一周期和与第一周期相比消耗更少功率的第二周期，并且其功耗通过重复第一周期而周期性地变化，并且 第二阶段; 平滑电容器，稳定供给到显示部分的电力; 以及在第二周期中消耗供电的功率消耗单元。
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公开(公告)号：US10664109B2
公开(公告)日：2020-05-26
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 , H03K17/96
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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公开(公告)号：US10514795B2
公开(公告)日：2019-12-24
申请号：US16251190
申请日：2019-01-18
Applicant: Japan Display Inc.
Inventor： Tadayoshi Katsuta , Koji Noguchi , Daisuke Ito , Yasuyuki Teranishi
Abstract: A performance of a display device having an input device is improved. A display device includes: an electro-optical layer; a first driving electrode and a second driving electrode which drives the electro-optical layer; a driver chip which outputs a video signal; a switch circuit which is arranged outside the driver chip, which selects a potential to be supplied to the second driving electrode, and which includes a first switch element and a second switch element; a shift register circuit connected to the switch circuit; and a detection circuit which detects that an object is close or in contact. Each of the first switch element and the second switch element is selectively turned ON or OFF by the shift register circuit. The detection circuit is electrically connected to the first switch element and the second switch element.
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