Abstract:
An input device according to the present disclosure is an input device arranged in a display device that sequentially applies a scanning signal to a plurality of scanning signal lines in one frame period to perform update of display, the input device comprising driving electrodes in quantity of N provided corresponding to the plurality of scanning signal lines, and a plurality of sensing electrodes arranged so as to intersect with the driving electrodes in quantity of N to form capacitive elements at intersection portions. In a touch detection period, a driving signal is sequentially applied to the driving electrodes in quantity of N, and a touch detection is performed based on a detection signal output from each of the plurality of sensing electrodes.
Abstract:
An input device having a touch sensor function includes a plurality of first electrodes; a plurality of second electrodes which are disposed facing the plurality of first electrodes, each second electrode coupled capacitively with the first electrode to output a detection signal based on a touch operation, a plurality of third electrodes each disposed in a region between adjacent second electrodes, and a plurality of first connection sections which have a resistance value not lower than 1 MΩ, and electrically connect the plurality of third electrodes to a predetermined electrode set to a predetermined potential.
Abstract:
An object of the present technology is to provide a display device that includes a capacitance coupling type input device capable of easily being incorporated into a display device. The display device includes an input device in which capacitive elements are formed between driving electrodes 11 and detection electrodes 12. The driving electrodes 11 and the detection electrodes 12 respectively are formed by electrically connecting, as groups, the driving electrodes 11 and the detection electrodes 12 that are formed in a plurality of pixels. The driving electrodes 11 and the detection electrodes 12 respectively have a plurality of electrode blocks arranged in a row direction and a plurality of electrode blocks arranged in a column direction in the state of being separated from each other like islands, and a plurality of connection portions for electrically connecting the plurality of electrode blocks arranged in the row direction and a plurality of connection portions for electrically connecting the plurality of electrode blocks arranged in the column direction. The electrode blocks of the driving electrodes 11 are arranged so as not to be opposed to the electrode blocks of the detection electrodes 12.
Abstract:
The present invention provides a projected capacitive type input device that easily achieves a high resolution and a large size. The input device is provided in a display device that updates a display by sequentially applying a scanning signal to a plurality of scanning signal lines during one frame period. The input device includes a plurality of driving electrodes and a plurality of detection electrodes that are arranged so as to cross each other. The detection electrodes are arranged parallel to the scanning signal lines. A touch position is detected by applying a driving signal to the driving electrodes and detecting a detection signal output from each of the detection electrodes during a touch detection period.
Abstract:
An input device which is a capacitive coupling type and can reduce visibility of wiring patterns of electrodes and interference fringes is provided. The input device is included in a display device including a plurality of pixels, and is configured to detect a contact position of a user. The input device includes a plurality of first electrodes, a plurality of second electrodes disposed so as to cross the first electrodes, and a plurality of third electrodes disposed between the second electrodes. Slits extending obliquely with respect to an extension direction of the second electrodes are formed between the third electrodes.
Abstract:
An object of the present technology is to provide a display device that includes an input device capable of easily being incorporated into the display device as a capacitance coupling type input device. The display device includes: a display panel having a plurality of pixel electrodes 19 and updating a display by sequentially applying a scanning signal to a TFT that controls application of a voltage to the pixel electrodes 19; and an input device having one of electrodes arranged in the periphery of the pixel electrode 19 of the display panel and the other electrode arranged so as to cross the one of electrodes, wherein a capacitive element is formed between the one of electrodes and the other electrode. The one of electrodes arranged in the periphery of the pixel electrode 19 is composed of a lower layer portion 27a made of a metallic material, and an upper layer portion 27b covering the lower layer portion 27a and made of the same material as the pixel electrode 19.
Abstract:
An object of the present technology is to provide an input device that is a capacitance coupling type input device capable of easily being incorporated into a display device. The input device includes: a plurality of driving electrodes 11 and a plurality of detection electrodes 12 arranged so as to cross each other; and capacitive elements formed between the driving electrodes and the detection electrodes. The driving electrodes 11 and the detection electrodes 12 are each configured by electrically connecting a plurality of island-like electrode blocks using connection portions, and the electrode blocks of the driving electrodes and the electrode blocks of the detection electrodes are arranged so as not to be opposed to each other. The island-like electrode blocks arrayed in a row direction are connected electrically with each other using the connection portions having an area smaller than the area of the electrode blocks arrayed in the row direction. The island-like electrode blocks arrayed in a column direction are connected electrically with each other using the connection portions having an area smaller than the area of the electrode blocks arrayed in the column direction.
Abstract:
An object of the present technology is to provide a display device that includes an input device capable of being easily incorporated into the display device as a capacitance coupling type input device. The display device is provided with an input device having a plurality of driving electrodes 11 formed by dividing a common electrode of a liquid crystal panel 1 via slits and detection electrodes 12 arranged to cross the driving electrodes 11, and a capacitive element is formed between respective ones of the driving electrodes 11 and the detection electrodes 12. The driving electrodes 11 and the detection electrodes 12 are constituted by electrically connecting a plurality of island-like electrode blocks 11a, 12a to each other via connection portions 11b, 12b, and the electrode blocks lla of the driving electrodes 11 and the electrode blocks 12a of the detection electrodes 12 are arranged not to be opposed to each other.
Abstract:
An input device for detecting a touch operation performed by a user includes a plurality of driving electrodes, and a plurality of detection electrodes which are disposed intersecting with the driving electrodes. The input device detects a position touched by a user by applying a driving signal to the driving electrode and detecting a detection signals outputted from each of the detection electrodes. The detection signal varies with a change in capacitance at an intersection between the driving electrode and the detection electrode. The input device further includes a plurality of signal correctors, each of which is provided for each driving electrode. The signal corrector is configured to add a correction signal to the driving signal in a rising portion and/or a falling portion of the driving signal and apply the driving signal added with the correction signal to the driving electrode.
Abstract:
An input device that can prevent a reduction in the accuracy of detection of a contact position, even when a display device operates in a PSR mode, is provided. The input device is provided in a display device configured to operate in either a first mode or a second mode, and to generate mode signal giving notice of the current operation mode and is configured to detect a contact position of a user. The input device includes a plurality of driving electrodes and touch controller. Touch controller is configured to determine the operation mode of display device based on mode signal, to generate touch driving signal based on a result of the determination, and to apply the generated touch driving signals to the driving electrodes.