Japan Display Inc.

Japan Display West Inc.

Sony Corporation

Takeya Takeuchi

Takayuki Nakanishi

Koji Ishizaki

Yasuyuki Teranishi

Koji Noguchi

Kouji Noguchi

Yoshitoshi Kida

Tsutomu Harada

Hiroshi Mizuhashi

Tadayoshi Katsuta

Takehiro Shima

Tomohiko Sato

Naoyuki Itakura

Tomoyuki Fukano

Daisuke Ito

Werapong Jarupoonphol

Peter Wardlow Shadwell

David Pusey

Yusuke Takahashi

Yoshiharu Nakajima

Yoshihiko Toyoshima

Satoshi Ono

Shunsuke Noichi

Jarupoonphol Werapong

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.

Touch panel, display panel, and display unit

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.

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.

Sensor device and display device

A detection device includes a plurality of drive electrodes, wherein: in a first mode, a first drive electrode block including a first number of the drive electrodes are supplied with a first drive signal; in a second mode, a second drive electrode block including a second number of the drive electrodes are supplied with a second drive signal; and the first number is different from the second number.

Detection device and display device

A display device with a touch sensor is provided and includes a substrate; pixel electrodes on the substrate; thin film transistors (TFTs) coupled to the pixel electrodes; touch sensor electrodes arranged opposite to the pixel electrodes; a gate buffer coupled to the TFTs; a first switch coupled to the gate buffer; first-L and first-H lines coupled to the first switch; a second line coupled to the gate buffer; and a drive control circuit applying a drive signal to the touch sensor electrodes, wherein a signal supplied to the TFTs is one of a pulse wave signal and a signal in which different three potentials are switched at given timings, wherein three potentials include a first potential supplied through the first-L line, a second potential supplied through the second line, and a third potential supplied through first-H line, wherein the first switch switches to couple the gate buffer with first-L line and first-H line in synchronization with the drive signal in which a first and second common potential are repeated, such that the TFT circuits are supplied with the pulse wave signal in which first and third potential are repeated, and wherein the third potential is greater than the first potential and less than the second potential.

Display device

A display device includes pixels arranged in first and second directions; a contact responding section including driving electrodes extending in the first direction; a driving scanning section; detecting lines extending in the second direction; and a detecting section, wherein the detecting section identifies the position in which the object to be detected is in contact or in proximity on a basis of a pattern of the voltage change of the detecting lines, the pattern of the voltage change occurring according to a difference in the manner of the intersecting between the detecting lines and the driving electrodes.

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.

Display device with capacitive touch sensor with slit formed in a surface of a detecting electrode opposed to a scanning electrode to realize detection with high accuracy

Disclosed herein is a display device with a touch sensor, including: a plurality of display pixel electrodes; a common electrode configured to be provided opposed to the display pixel electrodes; a display function layer configured to have an image display function; a display control circuit configured to apply a display voltage between the display pixel electrodes and the common electrode based on an image signal and carry out image display control so that the display function of the display function layer be exerted; and a touch detection electrode configured to be provided opposed to the common electrode and form capacitance between the touch detection electrode and the common electrode.

Display device with touch sensor, potential control method, and program

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.

Display device with touch sensor, potential control method and program

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.

Display device and electronic apparatus

A contact detecting device including: 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.

Contact detecting device for multi-touch sensing

A touch sensor that may detect an object away from the sensor is provided. The touch sensor includes one or more drive electrodes; one or more detection electrodes forming capacitance in cooperation with the respective drive electrodes; a detection circuit applying drive signals to the respective drive electrodes to detect the object based on detection signals obtained from the respective detection electrodes in response to the respective drive signals; and a controller controlling to change a range of electric flux lines generated between the drive electrodes and the detection electrodes.

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Aichi, Japan

Takeya Takeuchi