Electrochromic device with cationic ion exchange resin separator

Details Electrochromic device with cationic ion exchange resin separator Electrochromic device with cationic ion exchange resin separator

1977-04-27

1978-09-26

Sikes, William L.

G02F 136

Patent

active

041165462

ABSTRACT:
An electrochromic display device in layered form having a first transparent substrate with a selectively actuable transparent electrode thereon and a first electrochromic layer on said transparent electrode, in combination with a counterelectrode having a second electrochromic layer thereon, and a solid electrolyte-separator layer between said first and said second electrochromic layers, said electrolyte-separator being comprised of a cationic ion exchange resin, specifically, a membrane of the acid form of a soluble polystyrene sulfonic acid polymer chemically wetted with water.

REFERENCES:
patent: 3840288 (1974-10-01), Schnatterly
patent: 3879108 (1975-04-01), Berets

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