Liquid crystal projector and method of projecting image

Television – Video display – Color sequential

Patent

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Details

348758, 348744, 359 40, H04N 931

Patent

active

053572882

ABSTRACT:
A liquid crystal projector projects an image based on video data inputted from the external. The liquid crystal projector is provided with: a timing control device for outputting a predetermined timing signal synchronous with a horizontal scanning period of the video data; a projection light source for emitting a projection light; a color separation device, coupled to the timing control device, for separating the projection light into R, G and B components to output them in a time divisional manner on the basis of the timing signal; a liquid crystal light valve panel, coupled to the timing control device, for displaying images respectively corresponding to the R, G and B components in a time divisional manner on the basis of the video data and the timing signal, and for converting an output light incident from the color separation device to rays of a projection light corresponding to the displayed images; and a projection lens for magnifying and projecting an output light from the liquid crystal light valve panel.

REFERENCES:
patent: 4191456 (1980-03-01), Hong et al.
patent: 4582396 (1986-04-01), Bos et al.
patent: 4715684 (1987-12-01), Gagnon
patent: 4758884 (1988-07-01), Roy
patent: 4786146 (1988-11-01), Ledebuhr
patent: 4827334 (1989-05-01), Johnson et al.
patent: 5172221 (1992-12-01), Ko

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