Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

1989-01-17

1989-08-01

Miller, Stanley D.

350337, 350347R, 350389, G02F 113, G02B 530

Patent

active

048529761

ABSTRACT:
A display device including a liquid crystal cell which comprises first and second transparent substrates spaced apart substantially in parallel from each other to form a gap therebewteen, a body of twisted-nematic liquid crystal filing the gap between the substrates, orientation means urging the liquid crystal molecules in the gap to orient in a first direction in the vicinity of the inner face of the first substrate and in a second direction in the vicinity of the inner face of the second substrate, the first direction being substantially perpendicular to the second direction, a pair of polarizer films one overlying the first substrate and the other underlying the second substrate, and at least one phase-shift film intervening between one of the first and second substrates and one of the polarizer films.

REFERENCES:
patent: 3923379 (1975-12-01), Kumada
patent: 4080046 (1978-03-01), Nishizaki
patent: 4492433 (1985-01-01), Imaya et al.
patent: 4653861 (1987-03-01), Kando et al.
patent: 4770500 (1988-09-01), Kalmanash et al.
T. J. Scheffer, "New Multicolor Liquid Crystal Displays that use a Twisted Nematic Electro-Optical Cell" Appl. Phys., vol. 44, No. 11, No. 1973.

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