Color liquid crystal display apparatus

Details Color liquid crystal display apparatus Color liquid crystal display apparatus

1985-01-29

1986-12-30

Hix, L. T.

G02F 113

Patent

active

046325140

ABSTRACT:
In a color liquid crystal display apparatus of twisted nematic type, thicknesses of the liquid crystal layer is made different for different color picture elements, thereby optical rotatory dispersion which has been the cause of undesirable light transmittance at 0 voltage input is minimized, so that contrast, range of reproduced color, view angle dependency, etc. are improved, and a color liquid crystal display apparatus capable of displaying splendid picture quality is provided.

REFERENCES:
patent: 3804695 (1974-10-01), Fischer
patent: 4006968 (1977-02-01), Ernstoff et al.
patent: 4387965 (1983-06-01), Hara
patent: 4410887 (1983-10-01), Stolov et al.
Levenson, IBM Technical Disclosure Bulletin, "Color-Mask Plate for Color Liquid Crystal Display", Jan. 1982, vol. 24, No. 8, p. 4036.
C. H. Gooch et al, "The Optical Properties of Twisted Nematic Liquid Crystal Structures with Twist Angles 90.degree.", J. Phys. D: Appl. Phys. vol. 8, 1975, pp. 1575 to 1585.

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