Self-assembled monolayers for liquid crystal alignment

Details Self-assembled monolayers for liquid crystal alignment Self-assembled monolayers for liquid crystal alignment

1993-09-24

1997-01-21

Gross, Anita Pellman

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349124, 349130, 349131, 349158, G02F 11337, G02F 11333

Patent

active

055964346

ABSTRACT:
A method of aligning liquid crystals in the construction of liquid crystal cell for use in optical devices is provided. The method involves formation of a self-assembled monolayer on substrates used to form the cells. The substrate having the monolayer are then rubbed in one direction. Two substrates are combined with rubbing directions anti-parallel and spaced to form a cell. A liquid crystal is then inserted and aligned between the substrates. High quality alignment is achieved with this method.

REFERENCES:
patent: 4921728 (1990-05-01), Takiguchi et al.
patent: 5077085 (1991-12-01), Schnur et al.
patent: 5132816 (1992-07-01), Itoh et al.
L. Netzger et al., "A New Approach to Construction of Artificial Monolayer Assemblies", vol. 105, pp. 674-676, 1983.
Wand et al., "An Easily Aligned Deformable Helix Ferroelectric Liquid Crystal Mixture and Its Use in Devices", Liqui d Crystal Materials, Devices, and Applications, Proceedings SPIE - The Internatl. Soc. for Opt. Eng., vol. 1665, 1992, pp. 176-183.

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