Twisted nematic liquid crystal display panel

Details Twisted nematic liquid crystal display panel Twisted nematic liquid crystal display panel

1980-12-23

1984-01-17

Punter, William H.

350337, G02F 113, G02F 1133

Patent

active

044261330

ABSTRACT:
A twisted nematic liquid crystal is characterized in that the direction of longitudinal axes of liquid crystal molecules adjacent each of a pair of polarizers is deviated with respect to the orientation vector of each of the polarizers in order to improve display contrast ratio.

REFERENCES:
patent: 3947185 (1976-03-01), Maezawa
patent: 4039252 (1977-08-01), Mizuno et al.
Boscianski, M., "Optical Characteristics of Twisted Nematic Liquid Crystals: Application to the Improvement of the Scanning Capability in Matrix Displays", Jr. App. Phys., 4-1977, pp. 1426-1431.
McIntyre, P., "Transmission of Light Through a Twisted Nematic Liquid Crystal Layer", Jr. Opt. Soc. Am., 6-1978, pp. 869-872.
Grinberg et al., "Transmission Characteristics of a Twisted Nematic Liquid-Crystal Layer", Jr. Opt. Soc. Am., 10-1976, pp. 1003-1009.

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