Liquid crystal element and driving method thereof including mult

Details Liquid crystal element and driving method thereof including mult Liquid crystal element and driving method thereof including mult

1992-11-10

1994-11-08

Gross, Anita P.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359100, 359 59, 345 92, 345 95, 345 97, G02F 11343, G02F 113, G09G 336

Patent

active

053632257

ABSTRACT:
A liquid crystal element includes a plurality of scanning electrodes, a plurality of signal electrodes, and a liquid crystal cell. The scanning and signal electrodes are formed in a matrix configuration. The liquid crystal cell has a pair of substrates provided with a switching device. The switching device has a gate-electrode and a source electrode at a crossing point of the above scanning electrodes and signal electrodes. A ferroelectric liquid crystal fills the liquid crystal cell. Furthermore, the scanning electrode is connected with the gate-electrode of the switching device, and the signal electrode is connected with the source-electrode of the switching device. The scanning electrode transmits a signal to turn on the switching device, and, simultaneously, the signal electrode transmits a multiple-value signal to drive the liquid crystal cell.

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"Submicrosecond bistable electro-optic switching in liquid crystals" by N. Clark et al, Applied Physics Letters, Jun. 1, 1980, vol. 36, No. 11, pp. 899-901.

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