Ferroelectric liquid crystal device

Details Ferroelectric liquid crystal device Ferroelectric liquid crystal device

1991-07-12

1993-07-13

Sikes, William L.

Optical: systems and elements

Optical computing without diffraction

359 76, 359 99, 359104, G02F 113

Patent

active

052279049

ABSTRACT:
A ferroelectric liquid crystal device includes a pair of substrates which has electrodes formed in an opposing spatial relation to each other. At least one of the electrodes is optically transparent. A parallel aligned, obliquely evaporated film is formed on each electrode. The paired substrates are sealed to provide a cell. A ferroelectric liquid crystal composition to which an ionic substance having a great mobility is added is placed in the cell to obtain the liquid crystal device. The addition of the ionic substance results in a low switching threshold voltage, a high response speed and good memory reproducibility. When the device is applied with an AC electric field prior to driving, display contrast is significantly improved.

REFERENCES:
patent: 4084884 (1978-04-01), Raynes
patent: 4666253 (1987-05-01), Yoshida
patent: 5043622 (1991-08-01), Sagong et al.
patent: 5069531 (1991-12-01), Yamazaki et al.

Affiliated with

Also associated with

Rating

Ferroelectric liquid crystal device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ferroelectric liquid crystal device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ferroelectric liquid crystal device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2316803