Surface alignment process for liquid crystal displays

Details Surface alignment process for liquid crystal displays Surface alignment process for liquid crystal displays

1980-05-23

1982-10-19

Corbin, John K.

23230LC, 350343, G02F 113

Patent

active

043547400

ABSTRACT:
Homeotropic surface alignment is provided in liquid crystal display cells, utilizing high temperature peripheral sealing material, by fabricating the empty cell prior to introducing a solution of a homeotropic-aligning surfactant dissolved in a volatile solvent. The solvent is evaporated to provide a surfactant film on the cell cavity interior surfaces. The cell is then filled with the liquid crystal material and the cell is sealed.

REFERENCES:
patent: 3904797 (1975-09-01), Jones, Jr. et al.
patent: 3941901 (1976-03-01), Harsch
patent: 3973057 (1976-08-01), Channin et al.
patent: 4070749 (1978-01-01), Misono et al.
patent: 4165922 (1979-08-01), Morrissy
IBM Technical Disclosure Bulletin, vol. 16, No. 2, Jul. 1973, p. 395, Edmonds, H. D. et al., "Liquid Crystal Cell Filling".

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