TOUCH-INPUT ACTIVE MATRIX DISPLAY DEVICE
An active matrix display device having touch input functionality is provided. The device comprises a plurality of pixels arranged in a row and column array, each pixel comprising a pixel electrode ( 11 ) to which data voltages can be supplied by an associated data conductor ( 12 ) via a respective t...
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| creator | ROOSENDAAL, SANDER J DESTURA, GALILEO, J.A HECTOR, JASON R |
| description | An active matrix display device having touch input functionality is provided. The device comprises a plurality of pixels arranged in a row and column array, each pixel comprising a pixel electrode ( 11 ) to which data voltages can be supplied by an associated data conductor ( 12 ) via a respective thin film transistor (13) having a drain terminal connected to the pixel electrode. The pixels each further comprise a body ( 30;70;80 ) which electrically connects the associated pixel electrode to another electrode ( 51;14 ) in response to touch-input to the pixel, the connection being detectable via the associated data conductor. The circuitry used to address the display can also be used to detect any touch-input to the display, including pressure-sensitive and optical touch-input. This advantageously eliminates the requirement for extra conductors to perform the touch-input detection. |
| format | Patent |
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The device comprises a plurality of pixels arranged in a row and column array, each pixel comprising a pixel electrode ( 11 ) to which data voltages can be supplied by an associated data conductor ( 12 ) via a respective thin film transistor (13) having a drain terminal connected to the pixel electrode. The pixels each further comprise a body ( 30;70;80 ) which electrically connects the associated pixel electrode to another electrode ( 51;14 ) in response to touch-input to the pixel, the connection being detectable via the associated data conductor. The circuitry used to address the display can also be used to detect any touch-input to the display, including pressure-sensitive and optical touch-input. 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The device comprises a plurality of pixels arranged in a row and column array, each pixel comprising a pixel electrode ( 11 ) to which data voltages can be supplied by an associated data conductor ( 12 ) via a respective thin film transistor (13) having a drain terminal connected to the pixel electrode. The pixels each further comprise a body ( 30;70;80 ) which electrically connects the associated pixel electrode to another electrode ( 51;14 ) in response to touch-input to the pixel, the connection being detectable via the associated data conductor. The circuitry used to address the display can also be used to detect any touch-input to the display, including pressure-sensitive and optical touch-input. 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The device comprises a plurality of pixels arranged in a row and column array, each pixel comprising a pixel electrode ( 11 ) to which data voltages can be supplied by an associated data conductor ( 12 ) via a respective thin film transistor (13) having a drain terminal connected to the pixel electrode. The pixels each further comprise a body ( 30;70;80 ) which electrically connects the associated pixel electrode to another electrode ( 51;14 ) in response to touch-input to the pixel, the connection being detectable via the associated data conductor. The circuitry used to address the display can also be used to detect any touch-input to the display, including pressure-sensitive and optical touch-input. This advantageously eliminates the requirement for extra conductors to perform the touch-input detection.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | 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 FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | TOUCH-INPUT ACTIVE MATRIX DISPLAY DEVICE |
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