Computer graphics processing and selective visual display system – Plural physical display element control system – Optical means interposed in viewing path
Patent
1996-11-06
1999-06-29
Luu, Matthew
Computer graphics processing and selective visual display system
Plural physical display element control system
Optical means interposed in viewing path
345151, 349 9, G09G 300
Patent
active
059174625
ABSTRACT:
A display apparatus having an optical device for separating the light from a light source for projection into two polarized light beams, a first liquid-crystal panel which includes a polarizing plate and to which a first polarized light beam separated by the optical device is input and a second liquid-crystal panel which has no polarizing plate and to which a second polarized light beam separated by the optical device is input, in which a data separating means separates display data into data for the first liquid-crystal panel and data for the second liquid-crystal panel, a first liquid-crystal panel display controller controls the color display of the first liquid-crystal panel in accordance with the separated data for the first liquid-crystal panel, a second liquid-crystal panel display controller controls the monochrome display of the second liquid-crystal panel in accordance with the separated data for the second liquid-crystal panel and an optical system synthesizes the pictures on the first and second liquid-crystal panels and displays the synthesized picture on a screen.
REFERENCES:
patent: 5042921 (1991-08-01), Sato et al.
"Super High Information Content Projection Dislay Using an NCPT Liquid Crystal", Mochizuki et al, Fujitsu Sci. Tech. J., 28,3; Sep. 1992, pp. 369-376.
"Liquid-Crystal Video Projector--Brightness Image--Color Image Separation System", NAI et al, Mitsubishi Denki Giho, vol. 69, No. 11, 1995, pp. 965-969, with English translation of relevant portions thereof.
Shimizu Masayoshi
Suzuki Shoji
Fujitsu Limited
Luu Matthew
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