Color liquid crystal shutter having more green electrodes than r

Details Color liquid crystal shutter having more green electrodes than r Color liquid crystal shutter having more green electrodes than r

1990-07-06

1991-10-01

Miller, Stanley D.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 61, 359 68, 359 87, G02F 113

Patent

active

050527851

ABSTRACT:
A color liquid crystal shutter matrix for use in a color image printer for example has a liquid crystal panel including a liquid crystal sealed between transparent substrates. A drive electrode assembly is mounted in the liquid crystal panel and drivable by color image information corresponding to three colors R, G and B. Color filters on the liquid crystal panel is composed of thin films containing dyes or pigments of R, G and B. The drive electrode assembly comprises a plurality of arrays of pixel electrodes, the arrays corresponding to the three colors of R, G and B, respectively. The number of the pixel electrodes corresponding to the color G is greater than the number of the pixel electrodes corresponding to each of the colors R and B.

REFERENCES:
patent: 4601546 (1986-07-01), Ohta
patent: 4605972 (1986-08-01), Hatanaka
patent: 4636817 (1987-01-01), Masaki
patent: 4642619 (1987-02-01), Togashi

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