Liquid crystal alignment layer with sidechains controlling tilt

Details Liquid crystal alignment layer with sidechains controlling tilt Liquid crystal alignment layer with sidechains controlling tilt

1987-10-13

1989-06-13

Miller, Stanley D.

G02F 113

Patent

active

048386588

ABSTRACT:
A liquid crystal cell is disclosed in which the cell walls facing the liquid crystal material are provided with alignment layers of organic material. This material consists of polymer chains with side chains. The ends of the side chains interact with the liquid crystal molecules. The side chains are shorter than the liquid crystal molecules. By suitable choice of the length of the side chains, the tilt angle can be set. It is also possible to provide alternately different side chains one of which interacts with one end of the liquid crystal molecule, while the neighboring side chain interacts with the other end of the same molecule.

REFERENCES:
patent: 3854793 (1974-12-01), Kahn
patent: 3991241 (1976-11-01), Matsumoto et al.
patent: 4472028 (1986-09-01), Ooue et al.
patent: 4593977 (1986-06-01), Takamatsu et al.

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