1974-09-25
1976-03-30
Corbin, John K.
G02F 113
Patent
active
039471837
ABSTRACT:
A system which transforms a liquid crystal composition having a mixture of cholesteric liquid crystal or other optically active materials and nematic liquid crystal materials from an electrically induced dynamic scattering state into an aligned nematic state by changing variables of an applied electrical field, and an imaging system wherein such a liquid crystal member is imaged in a desired image configuration by such an electrical field-induced transition system. Such systems exhibit high optical contrast and may be viewed without the aid of light polarizing devices.
REFERENCES:
patent: 3650603 (1972-03-01), Heilmeier et al.
patent: 3652148 (1972-03-01), Wysocki et al.
patent: 3703331 (1972-11-01), Goldmacher et al.
Adams James E.
Haas Werner E. L.
Richter Bela
Cannon George J.
Corbin John K.
Koren Matthew W.
Ralabate James J.
Shanahan Michael H.
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