Matrix type liquid crystal display panel

Details Matrix type liquid crystal display panel Matrix type liquid crystal display panel

1978-06-30

1980-11-04

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

350335, 340716, 340784, G02F 113

Patent

active

042316405

ABSTRACT:
An XY matrix type liquid crystal display panel having a plurality of X electrodes aligned at a given interval in one direction, a plurality of Y electrodes alinged at a given interval in a direction normal to the one direction and a layer of liquid crystal composition disposed between the X and Y electrodes. While an electrode layer forming the Y electrodes is shaped connect divided picture element electrodes, the counterpart forming the X electrodes is arranged to confront with two or more picture element electrodes along the Y axis. Further, each of the Y electrodes is divided into two along the Y axis. A contact area of each of the divided by two Y electrodes extends toward two opposing ends of a support where the Y electrodes are disposed. In a preferred form, the matrix type liquid crystal panel comprises two or more layers of liquid crystal composition and the X and Y electrodes are so arranged that electric field-responsive operating regions of the respective liquid crystal composition layers never are overlapped with one another.

REFERENCES:
patent: 3588225 (1971-06-01), Nicastro
patent: 3936816 (1976-02-01), Marata
patent: 3938134 (1976-02-01), Hackstein et al.
patent: 3981559 (1976-09-01), Channin
patent: 3989355 (1976-11-01), Wilmer

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