Liquid crystal element with improved contrast and brightness

Details Liquid crystal element with improved contrast and brightness Liquid crystal element with improved contrast and brightness

1990-10-03

1991-05-21

Miller, Stanley D.

350337, G02F 113

Patent

active

050169890

ABSTRACT:
A liquid crystal element comprises (a) two electrode substrates, (b) a ferroelectric liquid crystal disposed between said two electrode substrates having an orientation state for producing a relationship of Is.sub.1 >Is.sub.2 (where Is.sub.1 is the amount of transmission light produced without voltage application after setting crossed nicols in the darkest state during no voltage application after the application of a voltage of one polarity which is greater than the threshold voltage between the electrodes, and the subsequent application of a voltage of another polarity which is greater than the threshold voltage between the electrodes, and Is.sub.2 is the amount of transmission light produced without voltage application after setting corssed nicols in the darkest state during no voltage application after the application of a voltage of another polarity which is greater than the threshold voltage between the electrodes, and the subsequent application of a voltage of one polarity which is greater than the threshold voltage between the electrodes) and (c) polarizers consisting of crossed nicols set so that a dark state is produced without voltage application after the application of said voltage of another polarity more than the threshold voltage between the electrodes.

REFERENCES:
patent: 4563059 (1986-01-01), Clark et al.
patent: 4586791 (1986-05-01), Isogai et al.
patent: 4634228 (1987-01-01), Iwasaki et al.
patent: 4709994 (1987-12-01), Kanbe et al.
patent: 4712873 (1987-12-01), Kanbe et al.
patent: 4796979 (1989-01-01), Tsuboyama
patent: 4832462 (1989-05-01), Clark et al.

Affiliated with

Also associated with

Rating

Liquid crystal element with improved contrast and brightness does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Liquid crystal element with improved contrast and brightness, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Liquid crystal element with improved contrast and brightness will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-233680