Phase retarder film containing TiO.sub.2

Details Phase retarder film containing TiO.sub.2 Phase retarder film containing TiO.sub.2

1999-01-20

2000-08-01

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349118, 359486, 359492, G02F 11335, G02B 530

Patent

active

060974605

ABSTRACT:
A phase retarder film is provided wherein at least one oblique evaporation layer comprising an inorganic dielectric mainly containing TiO.sub.2 is formed on at least one surface of a transparent polymer film with an intermediate layer between, the evaporation layer having positive refractive index anisotropy and a principal optic axis tilted 20 degrees to 70 degrees from a normal direction to said transparent polymer film. The phase retarder film is suitable for improving viewing angle characteristics of the TN-LCD.

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Applied Optics, vol. 28, No. 13 p2466-2482(1989) "Thin film retardation plate by oblique deposition".

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