Electrochromic device and multilayer glazing

Details Electrochromic device and multilayer glazing Electrochromic device and multilayer glazing

1996-03-15

1998-02-24

Nelms, David C.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

G02F 1153

Patent

active

057216339

ABSTRACT:
An electrochromic device of wholly solid type comprising a transparent substrate and a transparent electroconductive film formed on the substrate, and having an oxidation color forming oxide, a cation conductive layer as an electrolyte, a reduction color forming oxide and a transparent electroconductive film, formed sequentially on said transparent electroconductive film formed on the substrate, wherein:
(1) the oxidation color forming oxide is a p-type semiconductor of nickel oxide or cobalt oxide,
(2) the cation conductive layer has OH groups showing a peak at about 3,300 (1/cm) in its infrared reflectance spectrum and is made of proton conductive SbO.sub.c wherein 1.3.ltoreq.c.ltoreq.2.7, or at least one lithium conductive lithium-containing oxide of LiO.sub.d MO.sub.e wherein 0.01.ltoreq.d.ltoreq.1.0, 1.3.ltoreq.e.ltoreq.2.7, and M is an element selected from the group consisting of Nb, Sb, B, P, Si, Ge, Al, Ce, La and Zr and
(3) the reduction color forming oxide is tungsten oxide, molybdenum oxide or titanium oxide.

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