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G09G 3/36 (2006.01) G02F 1/13 (2006.01) G02F 1/133 (2006.01) G02F 1/1345 (2006.01) G09F 9/30 (2006.01) G02F 1/1362 (2006.01)
Patent
CA 1274305
ABSTRACT A matrix address display apparatus comprises a pixel part having a plurality of display elements disposed in a matrix. A plurality of scanning lines are connected to the pixel part and scanning electrodes are connected to these scanning lines. A plurality of signal lines are also connected to the pixel part and signal electrodes are connected to these signal lines. A conductive layer is provided and is insulated from the scanning lines and the signal lines and is disposed as a closed loop around the pixel part. Connecting conductive parts, which are connected to the scanning lines or the signal lines are provided for selectively connecting the conductive layer disposed near the scanning electrodes and the signal electrodes. The closed loop conductive layer provides a "rescue line" which feeds display elements located at the cross points of the scanning and signal lines in those situations where the lines are broken for any reason. The particular arrangement of the invention avoids manufacturing and wiring problems associated with the provision of such "rescue lines" in prior art arrangements.
540164
Borden Ladner Gervais Llp
Toshiba Matsushita Display Technology Co. Ltd.
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