Single panel color image projection system

Details Single panel color image projection system Single panel color image projection system

2005-05-17

2005-05-17

Nguyen, Judy (Department: 2851)

Optics: image projectors

Prism in light path

C353S031000, C348S742000, C348S759000, C348S760000, C348S771000

Reexamination Certificate

active

06893133

ABSTRACT:
A color projection system includes a lamp and at least one diffraction grating or at least one prism that diffracts light from the lamp onto an LC microdisplay panel. By moving either the at least one diffraction grating or the at least one prism with respect to the incident light from the lamp, the diffracted light received by the LC microdisplay panel sequentially comprises red, green, and blue light.

REFERENCES:
patent: 4780747 (1988-10-01), Suzuki et al.
patent: 5959701 (1999-09-01), Watanabe et al.
patent: 6219110 (2001-04-01), Ishikawa et al.
patent: 6540361 (2003-04-01), Hayashi
patent: 20030206348 (2003-11-01), Hayashi

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