Combined color and monochrome display

Details Combined color and monochrome display Combined color and monochrome display

1993-05-10

1994-01-11

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 69, 358 23, G02F 1133, H04N 976

Patent

active

052786811

ABSTRACT:
The advantages of both a color display and a high-resolution monochrome display are realized in a single display system by eliminating color filters from the display screen of the display system and illuminating the display screen with either colored light or white light to provide color or high-resolution monochrome capability, respectively. Simultaneous color and high-resolution monochrome capability is realized by illuminating predetermined portions of the display screen with only colored light while illuminating different portions of the display screen with only white light.

REFERENCES:
patent: 4090219 (1978-05-01), Ernstoff et al.
patent: 4400725 (1983-08-01), Tanigaki
patent: 4611889 (1986-09-01), Buzak
patent: 4928301 (1990-05-01), Smoot
patent: 5117285 (1992-05-01), Nelson et al.
patent: 5159445 (1992-10-01), Gitlin et al.

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