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公开(公告)号：US10162463B2
公开(公告)日：2018-12-25
申请号：US15883432
申请日：2018-01-30
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Koji Noguchi , Toshiaki Fukushima
IPC: G06F3/041 , G06F3/044 , G02F1/1333
Abstract: To provide a liquid crystal display device with a touch detection function in which any drive method can be adopted. The liquid crystal display device is provided with: a liquid crystal element arrangement that has a plurality of liquid crystal display elements arranged in a matrix shape; a plurality of scanning lines that are arranged in each row of the liquid crystal element arrangement, and supply scanning signals to a plurality of liquid crystal display elements arranged in a corresponding row; a plurality of signal lines that are arranged in each column of the liquid crystal element arrangement, and supply an image signal to a plurality of liquid crystal display elements arranged in a corresponding column; a plurality of touch detection drive electrodes which are arranged in a column of the liquid crystal element arrangement, and to which a drive signal for detecting a touch is supplied; and a touch control part that specifies a touch detection drive electrode from the a plurality of touch detection drive electrodes. Here, the drive signal is supplied to the touch detection drive electrode specified by the touch control part.
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公开(公告)号：US10019095B2
公开(公告)日：2018-07-10
申请号：US15703646
申请日：2017-09-13
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Toshiaki Fukushima , Gen Koide , Yoshiyuki Kii
IPC: G06F3/041 , G06F3/044 , G02F1/1333
CPC classification number: G06F3/0412 , G02F1/13338 , G06F3/044
Abstract: According to one embodiment, a display device includes first and second substrate units, a display function layer, and a drive element. The first substrate unit includes a first substrate, a display unit, and a control circuit unit. The first substrate has a first surface including a display region and a peripheral region. The display unit is provided in the display region, and includes first lines, second lines, switch elements, pixel electrodes, and third lines. The control circuit unit is provided in the peripheral region, and includes a first circuit unit including a third line connection line, and a third line switch. The second substrate unit includes a second substrate and fourth lines. The display function layer is provided between the first and second substrate units. The drive element is provided on the peripheral region. The first circuit unit is partially disposed between the drive element and the first substrate.
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公开(公告)号：US09792865B2
公开(公告)日：2017-10-17
申请号：US15454460
申请日：2017-03-09
Applicant: Japan Display Inc.
Inventor： Gen Koide , Toshiaki Fukushima
IPC: G02F1/1343 , G09G3/36 , G02F1/1362 , G02F1/1368
CPC classification number: G09G3/3607 , G02F1/134363 , G02F1/13624 , G02F1/136286 , G02F1/1368 , G02F2001/136218 , G02F2201/121
Abstract: To reduce the area of a portion where a plurality of transistors are provided in a region around a display region and to reduce the area of the region around the display region, a display device includes a first transistor and a second transistor each as a transistor, and the transistor includes a connection wiring that electrically connects a semiconductor film and a source-drain electrode to each other via an opening portion provided in an insulating film. The first transistor and the second transistor are adjacent to each other, and there is a clearance between an end portion, on the side of the second transistor, of the connection wiring in the first transistor and an end portion, on the side of the second transistor, of the opening portion in the first transistor.
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公开(公告)号：US20170205945A1
公开(公告)日：2017-07-20
申请号：US15422146
申请日：2017-02-01
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Koji Noguchi , Toshiaki Fukushima
IPC: G06F3/041 , G02F1/1333 , G06F3/044
CPC classification number: G06F3/0416 , G02F1/13338 , G06F3/0412 , G06F3/044 , G06F2203/04101 , G06F2203/04808
Abstract: To provide a liquid crystal display device with a touch detection function in which any drive method can be adopted. The liquid crystal display device is provided with: a liquid crystal element arrangement that has a plurality of liquid crystal display elements arranged in a matrix shape; a plurality of scanning lines that are arranged in each row of the liquid crystal element arrangement, and supply scanning signals to a plurality of liquid crystal display elements arranged in a corresponding row; a plurality of signal lines that are arranged in each column of the liquid crystal element arrangement, and supply an image signal to a plurality of liquid crystal display elements arranged in a corresponding column; a plurality of touch detection drive electrodes which are arranged in a column of the liquid crystal element arrangement, and to which a drive signal for detecting a touch is supplied; and a touch control part that specifies a touch detection drive electrode from the a plurality of touch detection drive electrodes. Here, the drive signal is supplied to the touch detection drive electrode specified by the touch control part.
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公开(公告)号：US20150370401A1
公开(公告)日：2015-12-24
申请号：US14742344
申请日：2015-06-17
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Koji Noguchi , Toshiaki Fukushima
CPC classification number: G06F3/0416 , G02F1/13338 , G06F3/0412 , G06F3/044 , G06F2203/04101 , G06F2203/04808
Abstract: To provide a liquid crystal display device with a touch detection function in which any drive method can be adopted. The liquid crystal display device is provided with: a liquid crystal element arrangement that has a plurality of liquid crystal display elements arranged in a matrix shape; a plurality of scanning lines that are arranged in each row of the liquid crystal element arrangement, and supply scanning signals to a plurality of liquid crystal display elements arranged in a corresponding row; a plurality of signal lines that are arranged in each column of the liquid crystal element arrangement, and supply an image signal to a plurality of liquid crystal display elements arranged in a corresponding column; a plurality of touch detection drive electrodes which are arranged in a column of the liquid crystal element arrangement, and to which a drive signal for detecting a touch is supplied; and a touch control part that specifies a touch detection drive electrode from the a plurality of touch detection drive electrodes. Here, the drive signal is supplied to the touch detection drive electrode specified by the touch control part.
Abstract translation: 提供具有触摸检测功能的液晶显示装置，其中可以采用任何驱动方法。 液晶显示装置具有：具有排列成矩阵状的多个液晶显示元件的液晶元件配置; 配置在液晶元件配置的各行中的多条扫描线，并将扫描信号提供给配置在相应行中的多个液晶显示元件; 布置在液晶元件布置的每列中的多条信号线，并将图像信号提供给布置在相应列中的多个液晶显示元件; 多个触摸检测驱动电极，布置在液晶元件装置的列中，并且提供用于检测触摸的驱动信号; 以及触摸控制部分，其从多个触摸检测驱动电极指定触摸检测驱动电极。 这里，驱动信号被提供给由触摸控制部指定的触摸检测驱动电极。
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Patent Agency Ranking
公开(公告)号：US11604526B2
公开(公告)日：2023-03-14
申请号：US17402855
申请日：2021-08-16
Applicant: Japan Display Inc.
Inventor： Toshiaki Fukushima
Abstract: A driving circuit is provided for display device having pixel electrodes and drive electrodes facing the pixel electrodes in display area. The driving circuit includes touch wiring that is routed in frame area located outside display area and supplies alternating current touch drive signal to drive electrodes; display wiring that supplies display drive voltage; and switches conducting between at least one of drive electrodes and touch wiring in touch detection period, and conducting between at least one of drive electrodes and display wiring in display period, wherein display wiring is disposed closer to display area than touch wiring.
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27.发明授权公开(公告)号：US10527891B2
公开(公告)日：2020-01-07
申请号：US15858241
申请日：2017-12-29
Applicant: Japan Display Inc.
Inventor： Seiji Uejima , Hidemasa Yamaguchi , Yoshitaka Ozeki , Takeyuki Tsuruma , Kenta Seki , Toshiaki Fukushima
IPC: G02F1/1343
Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first line, a second line, a switching element, a common electrode, an insulating film disposed on the common electrode, a pixel electrode connected with the switching element and opposed to the common electrode with the insulating film interposed therebetween, and a first alignment film covering the pixel electrode. The second substrate includes a second alignment film. And the pixel electrode includes one main pixel electrode extending in a belt shape in a pixel area defined by the first line and the second line.
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公开(公告)号：US20190172405A1
公开(公告)日：2019-06-06
申请号：US16269410
申请日：2019-02-06
Applicant: Japan Display Inc.
Inventor： Gen Koide , Toshiaki Fukushima
IPC: G09G3/36 , G02F1/1368 , G02F1/1343 , G02F1/1362
CPC classification number: G09G3/3607 , G02F1/134363 , G02F1/13624 , G02F1/136286 , G02F1/1368 , G02F2001/136218 , G02F2201/121
Abstract: To reduce the area of a portion where a plurality of transistors are provided in a region around a display region and to reduce the area of the region around the display region, a display device includes a first transistor and a second transistor each as a transistor, and the transistor includes a connection wiring that electrically connects a semiconductor film and a source-drain electrode to each other via an opening portion provided in an insulating film. The first transistor and the second transistor are adjacent to each other, and there is a clearance between an end portion, on the side of the second transistor, of the connection wiring in the first transistor and an end portion, on the side of the second transistor, of the opening portion in the first transistor.
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公开(公告)号：US10310690B2
公开(公告)日：2019-06-04
申请号：US15609880
申请日：2017-05-31
Applicant: Japan Display Inc.
Inventor： Toshiaki Fukushima
IPC: G06F3/041 , G06F3/044 , G02F1/1333 , G02F1/1345 , G02F1/1362 , G02F1/1368
Abstract: According to an aspect, an array substrate includes: a substrate; a sensor electrode disposed on the substrate, and configured to detect change of capacitance; and a pull-out line capable of being electrically coupled with the sensor electrode, and pulled out to an end portion of the substrate.
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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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