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公开(公告)号：US20170123535A1
公开(公告)日：2017-05-04
申请号：US15403897
申请日：2017-01-11
Applicant: Japan Display Inc.
Inventor： Takeya Takeuchi , Hiroshi Mizuhashi , Tadayoshi Katsuta , Takehiro Shima
CPC classification number: G06F3/044 , G02F1/13338 , G06F3/041 , G06F3/0412 , G06F3/0416 , G06F2203/04104 , G06F2203/04108 , G09G3/3614 , G09G3/3648 , G09G2300/0809 , G09G2310/0291
Abstract: A display device with a touch sensor includes: plural display pixel electrodes; a common electrode arranged opposite to the display pixel electrodes; a display function layer having an image display function; a display control circuit performing image display control so as to fulfill the display function of the display function layer by applying a voltage for display between the display pixel electrodes and the common electrode based on an image signal; and a touch detection electrode provided opposite to the common electrode and forming capacitance between the touch detection electrode and the common electrode, wherein a drive voltage for display applied to the common electrode by the display control circuit is used as a drive signal for the touch sensor, and a gate potential of TFT circuits included in the display pixel electrodes is increased during a period when the drive signal for the touch sensor is applied.
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公开(公告)号：US09626037B2
公开(公告)日：2017-04-18
申请号：US14741620
申请日：2015-06-17
Applicant: Japan Display Inc.
Inventor： Koji Ishizaki , Kouji Noguchi , Takayuki Nakanishi , Yasuyuki Teranishi , Takeya Takeuchi
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F3/045 , G06F2203/04101 , G06F2203/04112 , G06K9/0051 , G09G3/36 , G09G3/3607 , G09G3/3614 , G09G3/3655 , G09G3/3659 , G09G3/3696 , G09G2310/0248 , G09G2310/0251 , G09G2310/0262 , G09G2320/0204 , G09G2320/0209 , G09G2320/0219 , G09G2320/029
Abstract: A display device includes: a display functional layer that can change display for each pixel in accordance with an application voltage; a plurality of driving electrodes separately disposed in one direction; a plurality of pixel signal lines to which pixel signals used for applying the application voltage to the display functional layer in accordance with an electric potential difference from the display reference electric potential are applied; a plurality of detection electrodes that are separately disposed in a direction other than the one direction, are coupled with the driving electrodes as electrostatic capacitance, generate detection electric potentials in response to the detection driving signal, and change the detection electric potential in accordance with approach of a detection target object; and a pixel signal control unit that controls the pixel signals so as to include pixel signals having different polarities during the display period.
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公开(公告)号：US20160042709A1
公开(公告)日：2016-02-11
申请号：US14920708
申请日：2015-10-22
Applicant: Japan Display Inc.
Inventor： Takayuki Nakanishi , Takeya Takeuchi
IPC: G09G3/36 , G02F1/1345 , G02F1/1362 , G09G3/20 , G02F1/1343
CPC classification number: G02F1/13452 , G02F1/133707 , G02F1/134336 , G02F1/136286 , G09G3/2003 , G09G3/3655 , G09G2300/0426 , G09G2320/0209 , G09G2330/021
Abstract: A display device includes a plurality of signal lines that are so juxtaposed as to be extended along one direction, a plurality of common drive electrodes that are so juxtaposed as to be extended along the signal lines, and a plurality of display elements that are each connected to a respective one of the plurality of signal lines and are each connected also to the common drive electrode that makes a pair with the connected signal line. Scan driving of the plurality of display elements is performed in the direction of the signal lines.
Abstract translation: 一种显示装置，包括沿着一个方向并列设置的多条信号线，沿信号线并列延伸的多个公共驱动电极，以及分别连接的多个显示元件 分别连接到与所连接的信号线成对的公共驱动电极。 在信号线的方向上执行多个显示元件的扫描驱动。
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公开(公告)号：US09152259B2
公开(公告)日：2015-10-06
申请号：US13754316
申请日：2013-01-30
Applicant: Japan Display, Inc.
Inventor： Koji Noguchi , Takeya Takeuchi
CPC classification number: G06F3/0416 , G06F1/16 , G06F3/041 , G06F3/0412 , G06F3/044
Abstract: According to one aspect of the invention, a contact detecting device includes: a contact responding section configured to produce an electric change in response to an object to be detected coming into contact with or proximity to a detecting surface; and a contact driving scanning section configured to scan application of driving voltage to the contact responding section in one direction within the detecting surface, and control output of the electric change in time series, wherein the contact driving scanning section performs a plurality of scans of different regions of the contact responding section in parallel with each other, and outputs a plurality of the electric changes in parallel with each other.
Abstract translation: 根据本发明的一个方面，接触检测装置包括：接触响应部分，被配置为响应于与被检测物体接触或接近检测表面而产生电变化; 以及接触驱动扫描部，被构造成在所述检测面内沿一个方向扫描对所述接触响应部的驱动电压的施加，并且控制所述电变化的时间序列的输出，其中所述接触驱动扫描部进行不同的多次扫描 接触响应部的区域彼此并联，并且彼此并行地输出多个电变化。
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公开(公告)号：US12242701B2
公开(公告)日：2025-03-04
申请号：US18500172
申请日：2023-11-02
Applicant: Japan Display Inc.
Inventor： Takayuki Nakanishi , Koji Noguchi , Koji Ishizaki , Yasuyuki Teranishi , Takeya Takeuchi
IPC: G06F3/044 , G06F3/0354 , G06F3/041 , G06F3/047 , G09G3/298 , G09G3/36 , H01J11/12 , G02F1/1343
Abstract: A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise. The touch panel includes: a plurality of detection scan electrodes extending in a first direction and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes.
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Patent Agency Ranking
公开(公告)号：US11256354B2
公开(公告)日：2022-02-22
申请号：US16906236
申请日：2020-06-19
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Takeya Takeuchi
Abstract: A sensor device is provided including sensing section including driving electrodes extending in first direction; driving section configured to apply driving voltage to driving electrodes; sensing lines extending in second direction crossing first direction such that sensing lines intersect driving electrodes; and sensing section configured to detect occurrence of electric change from voltage change in at least one of the sensing lines to identify position of occurrence, wherein driving electrodes include a first drive electrode and a second drive electrode, first voltage is applied to at least one first drive electrode, second voltage is applied to at least one second drive electrode, and sensing section identifies position in which object to be detected is in contact or in proximity on a basis of pattern of voltage change of sensing lines, occurring according to difference in manner of intersecting between sensing lines and driving electrodes.
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公开(公告)号：US10359893B2
公开(公告)日：2019-07-23
申请号：US15403897
申请日：2017-01-11
Applicant: Japan Display Inc.
Inventor： Takeya Takeuchi , Hiroshi Mizuhashi , Tadayoshi Katsuta , Takehiro Shima
IPC: G06F3/041 , G06F3/044 , G02F1/1333 , G09G3/36
Abstract: A display device with a touch sensor includes: plural display pixel electrodes; a common electrode arranged opposite to the display pixel electrodes; a display function layer having an image display function; a display control circuit performing image display control so as to fulfill the display function of the display function layer by applying a voltage for display between the display pixel electrodes and the common electrode based on an image signal; and a touch detection electrode provided opposite to the common electrode and forming capacitance between the touch detection electrode and the common electrode, wherein a drive voltage for display applied to the common electrode by the display control circuit is used as a drive signal for the touch sensor, and a gate potential of TFT circuits included in the display pixel electrodes is increased during a period when the drive signal for the touch sensor is applied.
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公开(公告)号：US20190057669A1
公开(公告)日：2019-02-21
申请号：US16166810
申请日：2018-10-22
Applicant: Japan Display Inc.
Inventor： Takayuki Nakanishi , Koji Noguchi , Koji Ishizaki , Yasuyuki Teranishi , Takeya Takeuchi
Abstract: A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise. The touch panel includes: a plurality of detection scan electrodes extending in a first direction and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. A ratio of fringe capacitance to total capacitance between one or more selected detection scan electrodes and a first detection electrode is different from a ratio of fringe capacitance to total capacitance between the one or more selected detection scan electrodes and a second detection electrode. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes.
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公开(公告)号：US10126612B2
公开(公告)日：2018-11-13
申请号：US14920708
申请日：2015-10-22
Applicant: Japan Display Inc.
Inventor： Takayuki Nakanishi , Takeya Takeuchi
IPC: G02F1/1345 , G02F1/1343 , G02F1/1337 , G02F1/1362 , G09G3/36 , G09G3/20
Abstract: A display device includes a plurality of signal lines that are so juxtaposed as to be extended along one direction, a plurality of common drive electrodes that are so juxtaposed as to be extended along the signal lines, and a plurality of display elements that are each connected to a respective one of the plurality of signal lines and are each connected also to the common drive electrode that makes a pair with the connected signal line. Scan driving of the plurality of display elements is performed in the direction of the signal lines.
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公开(公告)号：US20180300010A1
公开(公告)日：2018-10-18
申请号：US16011012
申请日：2018-06-18
Applicant: Japan Display Inc.
Inventor： Takayuki Nakanishi , Koji Noguchi , Koji Ishizaki , Yasuyuki Teranishi , Takeya Takeuchi
IPC: G06F3/041 , G09G5/18 , G02F1/1343 , G06F3/044 , G02F1/1333 , G02F1/1368 , G02F1/1335
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/133528 , G02F1/134309 , G02F1/13439 , G02F1/1368 , G02F2201/121 , G02F2201/123 , G02F2203/01 , G06F3/0412 , G06F3/044 , G06F2203/04101 , G06F2203/04103 , G06F2203/04108 , G06F2203/04111 , G09G5/18 , G09G2300/0426
Abstract: An information input device including a touch panel configured to be provided with a touch sensor that detects a position at which a sensing object is brought close to a sensing surface. In this information input device, the touch sensor has a scanning electrode and a detecting electrode that is opposed to the scanning electrode with the intermediary of a dielectric substance, and is a capacitive sensor whose electrostatic capacitance changes if the sensing object is brought close to the detecting electrode. Furthermore, a slit is formed in a surface of the detecting electrode opposed to the scanning electrode.
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