Liquid crystal lens display system

Details Liquid crystal lens display system Liquid crystal lens display system

1980-07-03

1983-05-31

Corbin, John K.

350336, 350347V, G02F 113

Patent

active

043858058

ABSTRACT:
A liquid crystal lens display system comprises a liquid crystal lens, display elements, a polarizer and a light source. The liquid crystal lens comprises a dielectrically anisotropic liquid crystal material covering two electrodes each having a plurality of spaced, parallel, interleaved fingers. The display elements comprise one or more elements to which are affixed alphanumeric or analog information and which are optically distinguishable. The angle of refraction of light passing through the liquid crystal lens is electrically alterable by applying a voltage source to the lens' electrodes. Portions of one of the display elements viewed through an activated liquid crystal lens are changed since light from these portions are no longer within the field of view of the observer.

REFERENCES:
patent: 4054362 (1977-10-01), Baues
Wild, P. J. et al., "Liquid Crystal Bar Graph Displays", IEE Conference Publication No. 80, (Conference held Sep. 7-10, 1971), pp. 161-164.
Channin, D. J., "Optical Waveguide Modulation Using Nematic Liquid Crystal", Applied Physics Letters, vol. 22, No. 8, (Apr. 15, 1973), pp. 365-366.
Marchand, E. W., Gradient Index Optics, N.Y., Academic Press, 1978, pp. 1-14.

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