SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To achieve a uniform contrast over whole display area in a large type liquid crystal display device by making each resister of a lead part the smaller, the further the resister leaves from the other electrode lead part by considering a length and a cross section of the electrod...

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1. Verfasser: KIN HEIKI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To achieve a uniform contrast over whole display area in a large type liquid crystal display device by making each resister of a lead part the smaller, the further the resister leaves from the other electrode lead part by considering a length and a cross section of the electrode lead part from an electrically connected part with the electrode lead part up to a beginning part of a pixel active area. SOLUTION: A decrease in potential on a common electrode 8 is corrected by decreasing resisters of lead part 10 of a segment electrode 6 with an increasing distance from a lead part 12 of a common electrode. To vary the resistor of the lead part 10, a cross section and a length of the lead part 10 is varied. Namely, the cross section and length from a voltage-impressed part from a driver IC up to a beginning part of an active area A of a pixel generated by the segment electrode and the common electrode 8 are varied. The longer a length of the lead part 10 is arranged, the nearer the electrodes are positioned toward both right and left ends from the center part of a unit segment electrode group, and in addition, a width of the lead part 10 is varied.