Electro-optical display element

Details Electro-optical display element Electro-optical display element

1988-08-19

1989-12-12

Miller, Stanley D.

350347E, 350347R, G02F 113

Patent

active

048863440

ABSTRACT:
A suitable choice of the liquid crystal parameters K.sub.3 /K.sub.1 and .DELTA.E/E.sub.1 makes it possible in electrooptical display elements to obtain both a minimum dependence on the angle of observation and, simultaneously, a steep electro-optical characteristic when operated in the first transmission minimum.

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patent: 4410445 (1983-10-01), Baur et al.
patent: 4472592 (1984-09-01), Takatsu et al.
J. A. Castellano, "Liquid Crystals for Electro-Optical Application", RCA Review, No. 296, vol. 33, Mar. 1972.
P. McIntyre, "Transmission of Light Through a Twisted Nematic Liquid Crystal Layer", J. Opt. Soc. Am., vol. 68, No. 6, Jun. 1978.
M. Goseianski, "Optical Characteristic of Twisted Nematic Liquid Crystal", J. Appl. Phys., vol. 48, No. 4, Apr. 1977.
F. Allan, "The Optimization of Twisted Nematic Display Thickness", Journal of the Society for Information Display, No. 14, Oct. 1983.
C. H. Gooch and H. A. Tarry, "Optical Characteristics of TN Liquid Crystal Films", Electronic Lett., No. 1, vol. 10, 1/10/1974.
Gooch and Tarry, "The Optical Properties of TN Liquid Crystal Structure with Twist Angles <90.degree.", J. Phys. D:Appl. Phys., No. 1575, vol. 8, 1975.
G. Baur, "Mol. Cryst. Liq. Cryst.", vol. 63, pp. 45-58 (1981).
Birecki et al., in "The Physics and Chemistry of Liquid Crystal Devices" (edited by G. J. Sprokel), pp. 125-142, N.Y., 1981.
G. Baur, in "The Physics and Chemistry of Liquid Crystal Devices", (edited by G. J. Sprokel), pp. 61-77, N.Y., 1981.
D. W. Berreman, "Liquid-Crystal Cell Dynamics with Backflow", J. Appl. Phys., vol. 46, No. 9, 9/1975.
Schadt et al., Class Specific Physical Properties of Liquid Crystals, Z. Naturforsch 37A, 165-178 (1982).

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