Liquid crystal display having polymer walls with a chiral pitch

Details Liquid crystal display having polymer walls with a chiral pitch Liquid crystal display having polymer walls with a chiral pitch

1995-02-24

1996-11-19

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 51, 359 52, G02F 11339, G02F 113

Patent

active

055768660

ABSTRACT:
A liquid crystal display element of the present invention includes walls made from a polymer material and liquid crystal regions in contact with the walls between a pair of substrates, each having electrodes, wherein the liquid crystal region is in a selective reflection state and a chiral pitch of liquid crystal contained in the liquid crystal regions is longer than a chiral pitch of the walls made from a polymer material.

REFERENCES:
patent: 4596445 (1986-06-01), Fergason
patent: 4662720 (1987-05-01), Fergason
patent: 5210630 (1993-05-01), Heynderickx et al.
patent: 5333074 (1994-07-01), Hikmet
patent: 5473450 (1995-12-01), Yamada et al.
patent: 5490001 (1996-02-01), Konuma
patent: 5506704 (1996-04-01), Broer et al.

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