Liquid crystal apparatus

Details Liquid crystal apparatus Liquid crystal apparatus

1991-12-30

1993-11-30

Hajec, Donald T.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 54, 345 97, G02F 193

Patent

active

052670651

ABSTRACT:
A liquid crystal apparatus includes: a ferroelectric liquid crystal device comprising an electrode matrix including a plurality of scanning lines and a plurality of data lines intersecting with the scanning lines, and a ferroelectric liquid crystal disposed between the scanning lines and data lines, and a driver for sequentially applying a scanning signal to the scanning lines for selecting a particular scanning line, and for applying data signals for the pixels on the selected scanning line to the data lines. Each of the data signals has a plurality of pulses including a pulse in a controlled phase and a pulse in an auxiliary phase, and the scanning signal for the selected scanning line has a compensation pulse for compensating the pulse in the auxiliary phase of a data signal for a pixel on the selected scanning line.

REFERENCES:
patent: 4932759 (1990-06-01), Toyono et al.
patent: 4938574 (1990-07-01), Kaneko et al.
patent: 5117298 (1992-05-01), Hirai

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