Thermal-pane window with liquid crystal shade

Details Thermal-pane window with liquid crystal shade Thermal-pane window with liquid crystal shade

1978-12-20

1981-05-19

Bauer, Edward S.

52171, 52789, G02F 1133

Patent

active

042681260

ABSTRACT:
A thermal-pane window unit having an electro-optical shade of adjustable transmittance is provided for reducing radiative heat transfer, as well as conductive transfer, between the exterior and interior of a building and, additionally, for presenting an attractive shaded window appearance. The invention utilizes a liquid crystal cell of selectable light transmittance in combination with a conventional dual pane heat insulating window. The liquid crystal material is preferably electro-optically responsive to a low voltage AC field.

REFERENCES:
patent: 3981294 (1976-09-01), Deminet et al.
patent: 3986022 (1976-10-01), Hyatt
patent: 4173668 (1979-11-01), Hentzelt et al.
Sprow: "Liquid-Crystal Displays Brighten", Machine Design, Sep. 7, 1972, pp. 112-117.

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