Patent application number | Description | Published |
20150042616 | INPUT DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - It is an object of the present invention to enhance detection accuracy during a touch operation in a capacitance coupling type input device. The input device includes a plurality of driving electrodes and a plurality of detection electrodes crossing each other, and capacitive elements formed in respective crossed portions between the driving electrodes and the detection electrodes. During a touch detection period, a driving signal is applied to the driving electrodes on a line block basis of scanning signal lines, and touch is detected based on a detection signal output from each of the detection electrodes, and the touch detection period is provided in a display update period in a horizontal scanning period of a display apparatus. Further, a driving signal to be applied to the driving electrodes is applied to a selected line block of the display apparatus to which the scanning signal is not being applied. | 02-12-2015 |
20150049061 | INPUT DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - An object of the present technology is to improve the detection accuracy of a capacitance coupling type input device at a time of touch operation. An input device includes: a plurality of driving electrodes and a plurality of detection electrodes crossing each other; and capacitive elements formed in respective crossed portions between the driving electrodes and the detection electrodes. During a touch detection period, a driving signal is applied to the driving electrodes on a line block basis of the scanning signal lines, and touch is detected based on a detection signal output from each of the detection electrodes, the touch detection period is provided in a display update period in a horizontal scanning period of the display apparatus, and during a horizontal scanning period following a certain horizontal scanning period during which touch detection has been performed, a driving signal whose potential is has been changed to a direction opposite to that of the previous horizontal scanning period is applied to the driving electrodes to start touch detection. | 02-19-2015 |
20150103048 | DISPLAY DEVICE - 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 | 04-16-2015 |
20150103278 | LIQUID CRYSTAL DISPLAY DEVICE - 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. | 04-16-2015 |
20150109248 | INPUT DEVICE AND DISPLAY DEVICE - 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. | 04-23-2015 |
20150116247 | INPUT DEVICE AND DISPLAY DEVICE - 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. | 04-30-2015 |
20150116266 | INPUT DEVICE AND DISPLAY DEVICE - 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. | 04-30-2015 |
20150116267 | INPUT DEVICE FOR TOUCH OPERATION AND DISPLAY DEVICE - 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. | 04-30-2015 |