Prism system and a liquid crystal projection device

Details Prism system and a liquid crystal projection device Prism system and a liquid crystal projection device

1995-02-01

1997-01-14

Sikes, William L.

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

349117, G02F 11335

Patent

active

055945910

ABSTRACT:
A dichroic mirror is formed on a surface of a prism except an incident surface for reflecting an entered ray having a predetermined wavelength. An optical thin film is formed on the incident surface as to totally reflect the ray reflected from the dichroic mirror. The optical thin film has a phase control function.

REFERENCES:
patent: 5124841 (1992-06-01), Oishi
patent: 5130826 (1992-07-01), Takanashi et al.
patent: 5221982 (1993-06-01), Faris
patent: 5446510 (1995-08-01), Mitsutake et al.
patent: 5459593 (1995-10-01), Ootaki

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