Fluorescent liquid crystals

Details Fluorescent liquid crystals Fluorescent liquid crystals

1974-05-30

1976-06-01

Padgett, Benjamin R.

Compositions

Liquid crystal compositions

23230LC, 73356, 25230116, 25230117, 350150, 350160LC, 428 1, C09K 334, C02F 116

Patent

active

039607534

ABSTRACT:
Liquid crystal compositions compositions and liquid crystal thermometric articles, radiation sensors, and optical display devices comprised of a nematic liquid crystal solvent which is effectively transparent to radiation of near ultraviolet and visible wavelengths and a fluorescent solute whose visible fluorescent intensity varies with the phase or orientation of the liquid crystal solvent are disclosed.

REFERENCES:
patent: 3597044 (1971-08-01), Castellano
patent: 3663086 (1972-05-01), Assouline et al.
patent: 3703329 (1972-11-01), Castellano
patent: 3771065 (1973-11-01), Goldberg et al.
patent: 3844637 (1974-10-01), Masi
patent: 3864022 (1975-02-01), Moriyama et al.
Lyle, S. J., et al., J. Chem. Soc., (Dalton Trans.) vol. 16, pp. 1726-1729, (1972).
Baur, G. et al., J. Appl. Phys., vol. 44, No. 4, pp. 1905-1906 (Apr. 1973).
Larrabee, R. D., RCA Review, vol. 34 (2), p. 329 (June 1973).

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