Electro-optic device

Details Electro-optic device Electro-optic device

1985-07-09

1987-06-09

Punter, William H.

G02F 101, G02F 123

Patent

active

046716190

ABSTRACT:
An electro-optical device containing an electrochromic material layer and electrolytic solution interposed between mutually opposed base plates, each having an electrode on the surface thereof, wherein said electrolytic solution consists essentially of (a) an iodide source material as a redox reaction promoter selected from the group consisting of metal iodides and ammonium iodides, and (b) a lactone solvent capable of dissolving the redox reaction promoter, with the proviso that when the iodide ion source material is not also a metal cation source, a cation source material capable of generating H.sup.+ or Li.sup.+ is further added.

REFERENCES:
patent: 3708220 (1973-01-01), Meyers et al.
patent: 4146454 (1979-03-01), Haber
patent: 4297005 (1981-10-01), Johnson, Jr. et al.
patent: 4309081 (1982-01-01), Camlibel et al.
patent: 4519930 (1985-05-01), Kakiuchi

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