Liquid crystal panel having touch sensor function
A liquid crystal panel capable of sensing a touch includes a TFT substrate 1; a CF substrate 2 arranged so as to be opposed to the TFT substrate 1; a liquid crystal layer 3 interposed between the TFT substrate 1 and the CF substrate 2; touch drive electrodes Tx arranged on a liquid crystal layer 3 s...
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| creator | Kagawa, Haruhito Ogata, Kohji Yada, Naoki |
| description | A liquid crystal panel capable of sensing a touch includes a TFT substrate 1; a CF substrate 2 arranged so as to be opposed to the TFT substrate 1; a liquid crystal layer 3 interposed between the TFT substrate 1 and the CF substrate 2; touch drive electrodes Tx arranged on a liquid crystal layer 3 side of the CF substrate 2; touch detection electrodes Rx arranged on a side of the CF substrate 2 opposite to the liquid crystal layer 3; a pressing detection electrode Fx arranged on a liquid crystal layer 3 side of the TFT substrate 1; and a control unit that supplies a driving signal to the touch drive electrodes Tx and detects detection signals output from the touch detection electrodes Rx, thereby detecting a touch position, and that detects amounts of change in electrostatic capacitances generated between the touch drive electrodes Tx and the pressing detection electrode Fx, thereby detecting pressing when touched. |
| format | Patent |
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touch drive electrodes Tx arranged on a liquid crystal layer 3 side of the CF substrate 2; touch detection electrodes Rx arranged on a side of the CF substrate 2 opposite to the liquid crystal layer 3; a pressing detection electrode Fx arranged on a liquid crystal layer 3 side of the TFT substrate 1; and a control unit that supplies a driving signal to the touch drive electrodes Tx and detects detection signals output from the touch detection electrodes Rx, thereby detecting a touch position, and that detects amounts of change in electrostatic capacitances generated between the touch drive electrodes Tx and the pressing detection electrode Fx, thereby detecting pressing when touched.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CALCULATING ; COMPUTING ; COUNTING ; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; 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a CF substrate 2 arranged so as to be opposed to the TFT substrate 1; a liquid crystal layer 3 interposed between the TFT substrate 1 and the CF substrate 2; touch drive electrodes Tx arranged on a liquid crystal layer 3 side of the CF substrate 2; touch detection electrodes Rx arranged on a side of the CF substrate 2 opposite to the liquid crystal layer 3; a pressing detection electrode Fx arranged on a liquid crystal layer 3 side of the TFT substrate 1; and a control unit that supplies a driving signal to the touch drive electrodes Tx and detects detection signals output from the touch detection electrodes Rx, thereby detecting a touch position, and that detects amounts of change in electrostatic capacitances generated between the touch drive electrodes Tx and the pressing detection electrode Fx, thereby detecting pressing when touched.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC DIGITAL DATA PROCESSING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEMICONDUCTOR DEVICES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | Liquid crystal panel having touch sensor function |
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