Projection device and associated electro-optic monochrome displa

Details Projection device and associated electro-optic monochrome displa Projection device and associated electro-optic monochrome displa

1987-12-17

1989-11-21

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

362293, 350345, 358253, H04N 931

Patent

active

048826170

ABSTRACT:
A projection device features at least one monochrome display device including electro-optic means defining a pattern for display, a monochrome luminescent layer, a first interference filter for reflecting the luminescent emission forward toward a display screen, and a second interference filter for obtaining a limited transmission angle for the desired spectral output.

REFERENCES:
patent: 2858363 (1958-10-01), Kazan
patent: 3483416 (1969-12-01), Vermeulen
patent: 3950078 (1976-04-01), Zatsky
patent: 4132919 (1979-01-01), Maple
patent: 4167307 (1979-09-01), Cirkler et al.
patent: 4264147 (1981-04-01), Baur et al.
patent: 4540914 (1985-09-01), Maple
patent: 4634926 (1987-01-01), Vriens et al.
patent: 4647812 (1987-03-01), Vriens et al.

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