Light switches utilizing anisotropic emission

Details Light switches utilizing anisotropic emission Light switches utilizing anisotropic emission

1988-04-26

1989-06-13

Bovernick, Rodney B.

Compositions

Radioactive compositions

Nuclear reactor fuel

2522991, 2522995, 350350R, G02F 1137

Patent

active

048386626

ABSTRACT:
A display device is described which comprises a liquid crystal host material and an anisotropically emitting fluorescent guest material dissolved in the host material such that the molecules of the guest material align with the molecules of the host material. An electric field applied across the host material causes the direction of radiation emitted by the guest material incident on an interface between two materials of different refractive index to vary so as to control the amount of radiation emitted by the display.

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patent: 4454057 (1984-06-01), Kaneko et al.
patent: 4556287 (1985-12-01), Funada et al.
Hockbaum et al, "Fluorescence of Guest Molecules in a Scattering State of a Liquid Crystal", Journal of Applied Physics, vol. 51, No. 2, Feb. 1980, pp. 867-872.

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