Optical device

Details Optical device Optical device

1987-11-16

1988-10-25

LaRoche, Eugene R.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

350362, 350267, 340788, G02F 101, G09G 334

Patent

active

047799625

ABSTRACT:
An optical device is provided which comprises a liquid layer containing a liquid-absorbable and releasable polymer that absorbs and releases a liquid under the action of an electric field and at least one pair of electrodes holding the liquid layer therebetween. The liquid may be colored, and alternatively the liquid-absorbable and releasable polymer may be colored.

REFERENCES:
patent: 4419663 (1983-12-01), Kohashi
patent: 4660938 (1987-04-01), Kazan
Beni et al., Appl. Phys. Lett., vol. 38, No. 4, Feb. 1981, pp. 207-209.

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