Optical modulators and color image display device employing the

Details Optical modulators and color image display device employing the Optical modulators and color image display device employing the

1996-08-01

1998-04-07

Font, Frank G.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359281, 359247, 359263, 359302, G02F 103

Patent

active

057371130

ABSTRACT:
An optical modulator includes a first diffraction grating for separating a light flux of a wide wavelength band into light fluxes of given wavelength bands. The optical modulator further includes an optical modulation element for modulating the separated light fluxes through corresponding picture elements, respectively, and outputting them. The optical modulator further includes a second diffraction grating for synthesizing the modulated light fluxes outputted from the optical modulation element, wherein the first diffraction grating, the optical modulation element and the second diffraction grating are integrally structured.

REFERENCES:
patent: 3947189 (1976-03-01), Huignard
patent: 4900135 (1990-02-01), Yuasa et al.
Dammann, "Color separation gratings", Applied Optics, vol. 17, No. 15, pp. 2273-2279 (Aug. 1978).

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