Fluorescent liquid crystal display

Details Fluorescent liquid crystal display Fluorescent liquid crystal display

1977-11-14

1979-12-04

Padgett, Benjamin R.

Compositions

Radioactive compositions

Nuclear reactor fuel

252299, 252408, 350349, 350350, C09K 334, C02F 113

Patent

active

041769180

ABSTRACT:
A liquid crystal composition for improved electro-optic displays. The composition undergoes an electrically induced cholesteric-nematic phase transition and includes fluorescent materials which are excited by ultra-violet radiation. In the cholesteric phase of the composition, the fluorescence is much stronger producing sufficient contrast to render the display visible in the dark.

REFERENCES:
patent: 3844637 (1974-10-01), Masi
patent: 3891307 (1975-06-01), Tsukamoto et al.
patent: 3960753 (1976-06-01), Larrabee
patent: 3975286 (1976-08-01), Oh
Klanderman, B., et al., J. Am. Chem. Soc., vol. 97, No. 6, pp. 1585-1586 (1975).
Hamblen, D., et al., "Characteristics of an Electrically Controlled Fluorescent Dye Panel," IEEE Conference Record of 1972, Conference on Display Devices, N.Y., (Oct. 1972).
Baur, G., et al., Mol. Cryst. Liq. Cryst., vol. 22, pp. 261-269 (1973).
Sackmann, E., et al., Chem. Phys. Lett., vol. 4. No. 9, pp. 537-540 (1970).
Raynes, E. P., Electronics Lett., vol. 10, No. 9, pp. 141-142 (1974).
Ashford, A., et al., Electronics Lett., vol. 9, No. 5, pp. 118-120 (1973).
Lyle, S. J., et al., J.C.S. Dalton, pp. 1726.1729 (1972).
White, D. L., et al., J. Appl. Phys., vol. 45, No. 11, pp 4718-4723 (1974).

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