Method of forming alignment film for liquid crystal display cell

Details Method of forming alignment film for liquid crystal display cell Method of forming alignment film for liquid crystal display cell

1976-08-11

1977-08-23

Bauer, Edward S.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

350160LC, 427109, 428 1, G02F 113

Patent

active

040436470

ABSTRACT:
A liquid crystal display cell being capable of display with liquid crystal molecules aligned towards a predetermined direction has its display characteristics made greatly dependent on the properties of an alignment film coming into contact with the molecules of the liquid crystal. A louver having a predetermined angle is disposed between the substrate on which the alignment film is to be formed and an evaporation material source to pass a material evaporated from the evaporation material for deposition onto the substrate. The thus formed film exhibits a very great orientation controlling power of biaxial anisotropy. This forming method of the alignment film also allows the easy formation of the alignment film on a large substrate.

REFERENCES:
patent: 3834792 (1974-09-01), Janning
patent: 3967883 (1976-07-01), Meyerhofer et al.

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