Two celled liquid crystal display device with dependency of bire

Details Two celled liquid crystal display device with dependency of bire Two celled liquid crystal display device with dependency of bire

1988-12-02

1990-08-28

Miller, Stanley D.

350347E, 350347R, G02F 1133

Patent

active

049520296

ABSTRACT:
There is provided a liquid crystal display device which includes: a double-layered-type liquid crystal cell. The cell is composed of a first cell layer and a second cell layer. The liquid crystal cell contains liquid crystal molecules with a twisted nematic orientation therein. Further, a voltage applying device is in the first cell layer. The dependency of the birefringence on the wavelength of light of the first cell layer is larger than that of the second cell layer. Accordingly, the liquid crystal display device produces a distinct and clear color image, and is useful for full-color display and multicolor display.

REFERENCES:
patent: 4436379 (1984-03-01), Funada et al.
patent: 4466702 (1984-08-01), Wiener-Avnear et al.
patent: 4579425 (1986-04-01), Ishii et al.
patent: 4601546 (1986-07-01), Ohta
patent: 4634229 (1987-01-01), Amstutz et al.
patent: 4653865 (1987-03-01), Kando et al.

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