Liquid crystal device having birefringent plate next to polarize

Details Liquid crystal device having birefringent plate next to polarize Liquid crystal device having birefringent plate next to polarize

1986-09-24

1987-12-08

Miller, Stanley D.

350350S, G02F 113

Patent

active

047115300

ABSTRACT:
A liquid crystal device comprising a liquid crystal cell in which a ferroelectric liquid crystal are put between two sheets transparent substrates each formed with a transparent electrode to the inside thereof with the peripheral edges of the transparent substrates being sealed, a polymer film having a birefringent property appended on one side of the liquid crystal cell and two polarizing plates disposed on both sides of the liquid crystal cell and such that the polarizing directions thereof are in perpendicular to or in parallel with each other. Coloring for the transmission light is suppressed, by which the display quality can be improved.

REFERENCES:
patent: 4388375 (1983-01-01), Hopper et al.
patent: 4492433 (1985-01-01), Imaya et al.
patent: 4533214 (1985-08-01), Penz et al.
patent: 4586790 (1986-05-01), Umeda et al.
Kondo, K. et al., "A Practical Method of Preparing Thin Homogeneous Ferroelectric Smectic Cells . . . ," Japanese J. Appld. Phys., vol. 22, No. 2, (Feb. 1983), pp. L85-L87.

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