High performance electrochemichromic solutions and devices there

Details High performance electrochemichromic solutions and devices there High performance electrochemichromic solutions and devices there

1992-05-04

1994-08-23

Tucker, Philip

Compositions

Light transmission modifying compositions

Modification caused by energy other than light

359265, 359272, 359275, G02F 100, G02F 113

Patent

active

053405030

ABSTRACT:
The specification discloses electrochemichromic solutions and devices based on the use of solvents comprising at least about 25% 3-hydroxypropionitrile, 3,3'-oxydipropionitrile, 2-acetylbutyrolactone, 2-methylglutaronitrile, 3-methylsulfolane and mixtures thereof. The specification also discloses vacuum backfilling techniques for filling electrochemichromic cells and enhanced UV stability through solvent self-screening.

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