Liquid crystal eyeglass

Details Liquid crystal eyeglass Liquid crystal eyeglass

1988-11-18

1990-04-24

Miller, Stanley D.

350331R, 350347R, 350347V, 350335, G02F 113

Patent

active

049195204

ABSTRACT:
Liquid crystal eyeglasses include a detector for detecting a physical quantity which varies with the temperature of the liquid crystal, the orientation of molecules of the liquid crystal or a change in the refractive index of the liquid crystal. The voltage applied to the liquid crystal is controlled in accordance with an output signal from the detector, thus compensating for a change in the refractive index of the liquid crystal which is attributable to a temperature change and maintaining the refractive index constant.

REFERENCES:
patent: 4756605 (1988-07-01), Okada et al.
patent: 4795248 (1989-01-01), Okada et al.

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