Liquid crystal cell having substantially uniform distribution of

Details Liquid crystal cell having substantially uniform distribution of Liquid crystal cell having substantially uniform distribution of

1989-07-31

1992-04-07

James, Andrew J.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 62, G02F 113

Patent

active

051033313

ABSTRACT:
A liquid crystal cell is formed by a pair of substrates each provided with an electrode and disposed spaced apart from each other, spacers and particulate adhesives respectively dispersed between the substrates and a liquid crystal, particularly a ferroelectric liquid crystal, sandwiched between the substrates. The particulate adhesives are dispersed with a non-uniform distribution over the cell extension so as to minimize initial zigzag or serrate alignment defects.

REFERENCES:
patent: 4341445 (1982-07-01), Matsuyama et al.
patent: 4732961 (1988-03-01), Oka
patent: 4837058 (1989-06-01), Aizawa et al.

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