Device for the production and modulation of monochromatic light

Details Device for the production and modulation of monochromatic light Device for the production and modulation of monochromatic light

1975-05-27

1977-06-28

Bauer, Edward S.

350150, G02F 113

Patent

active

040322181

ABSTRACT:
An improved apparatus is disclosed for producing and modulating monochromatic light and is characterized by a bright, high contrast display surface. The apparatus includes a linear polarizer positioned between a light source and a liquid crystal cell, and utilizes, as a reflector, a substance with a helical structure. A circular polarizer is positioned between the liquid crystal cell and the reflector.

REFERENCES:
patent: 3836230 (1974-09-01), Adams et al.
Scheffer, "New Multicolor Liquid Crystal Displays . . . ", J. App. Phys., Nov. 1973, pp. 4799-4803.

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