Matrix type color liquid crystal display device

Details Matrix type color liquid crystal display device Matrix type color liquid crystal display device

1988-06-20

1990-04-24

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 59, 350333, H04N 930

Patent

active

049204092

ABSTRACT:
A matrix type color liquid crystal display device includes a plurality of stripe-shaped common electrodes extending in a horizontal direction; a plurality of square-shaped segment electrodes positioned opposite to the stripe-shaped common electrodes; and wire lines for connecting these square-shaped segment electrodes along a vertical direction to form a plurality of segment electrode columns for displaying the same color pixels. One segment electrode column for displaying a red color pixel is commonly connected to the other segment electrode column for displaying a red color pixel by means of the wire lines for simultaneous segment-electrode driving operation. A plurality of segment electrodes for displaying different color pixels are aligned in the horizontal direction to form first and second segment electrode lines which are positioned parallel to each other with respect to a single common electrode. The first segment electrode line is positionally shifted with respect to the second segment electrode line by a 1/2 pitch of a single square-shaped segment electrode.

REFERENCES:
patent: 3731986 (1973-05-01), Fergason
patent: 3918796 (1975-11-01), Fergason
patent: 3935590 (1976-01-01), Kaji et al.
patent: 4031541 (1977-06-01), Arisawa et al.
patent: 4491863 (1985-01-01), Kurahashi
patent: 4773737 (1988-09-01), Yokono et al.

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