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 as a capacitance coupling type input device capable of easily being incorporated into a display device. A liquid crystal display device of the present technology includes: a liquid crystal panel 1 having a plurality of pixel electrodes 19 and a common electrode provided so as to be opposed to the pixel electrodes 19, and updating a display by sequentially applying a scanning signal to TFTs that control application of a voltage to the pixel electrodes 19; and an input device having a plurality of driving electrodes 11, which are formed by dividing the common electrode of the liquid crystal panel 1 by providing a slit 25, and a plurality of detection electrodes 12 arranged so as to cross the driving electrodes 11, and capacitive elements formed between the driving electrodes 11 and the detection electrodes 12. A shielding electrode 26 is arranged at a position corresponding to the slit 25 in the periphery of the pixel electrodes 19.
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 is configured to detect a contact position of a user. The input device includes a plurality of driving electrodes and a touch controller. The touch controller is configured to determine the operation mode of the display device, configured to generate touch driving signal based on a result of the determination, and configured to apply the generated touch driving signals to the driving electrodes.
Abstract:
An object of the present technology is to provide a liquid crystal display device that includes a capacitance coupling type input device capable of easily being incorporated into the display device. The liquid crystal display device includes a liquid crystal panel and an input device. The liquid crystal panel includes: a TFT substrate having a plurality of pixel electrodes and a common electrode provided so as to be opposed to the pixel electrodes, and further includes a switching element for controlling application of a voltage to the pixel electrodes; and a counter substrate arranged so as to be opposed to the TFT substrate, and having a configuration in which color filters of at least three primary colors are arranged at positions corresponding to the pixel electrodes and a light-shielding portion is arranged between the color filters. The input device includes: a detection electrode arranged in the liquid crystal panel; and a driving electrode arranged so as to cross the detection electrode, wherein a capacitive element is formed between the detection electrode and the driving electrode. The detection electrode is set at the same potential as that applied to the common electrode of the liquid crystal panel.
Abstract:
An input device according to the technology disclosed herein is one which is disposed on a user side of a display device, and includes a pair of coordinate detection electrodes that are disposed to face each other via a dielectric element. One of the pair of the coordinate detection electrodes is disposed on flexible film bonded on a surface on the user side of the display device. Electrodes of the display device serve as the other of the pair of the coordinate detection electrodes. Flexible film includes an extension part which extends from a detection region where the one of the coordinate detection electrodes is disposed. The extension part includes wiring parts which electrically couple to the coordinate detection electrodes and electrically and mechanically couple to connection parts that are disposed on the display device.