Liquid crystal display device with protection circuit for electr

Details Liquid crystal display device with protection circuit for electr Liquid crystal display device with protection circuit for electr

1997-05-12

1999-09-14

Kim, Robert H.

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349139, G02F 11333

Patent

active

059530863

ABSTRACT:
A liquid crystal display device has an insulating first substrate, a plurality of pixels, a plurality of image signal lines, a plurality of scanning signal lines, first and second common wirings disposed on the first substrate outside the display area constituted by a plurality of the pixels, a first electrostatic protection circuit disposed between the first common wiring and the scanning signal line for causing static electricity occurring in the scanning signal line, a second electrostatic protection circuit disposed between the second common wiring and the image signal line for causing static electricity occurring in the image signal line to flow through the second common wiring, a transparent second substrate opposing the surface of the first substrate on which the first and second common wirings are disposed, through a liquid crystal layer, and a conductor disposed between the first and second substrates for electrically connecting electrodes disposed on the second substrate to terminals disposed on the first substrate, wherein the first and second common wirings are electrically connected by a conductor member made of the same material as that of the conductor.

REFERENCES:
patent: 5719647 (1998-02-01), Fujikawa et al.
patent: 5748267 (1998-05-01), Natori et al.
patent: 5841490 (1998-11-01), Matsuo

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