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US 4,537,826 AGranted
Electrochromic display element
AssigneeTokyo Shibaura Denki Kabushiki Kaisha
InventorsMasataka Miyamura, Masanori Sakamoto, Yuko Nakajima
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Abstract
Disclosed is an electrochromic display element having an electrochromic material layer and an ion-conductive material layer being in contact therewith, characterized in that said electrochromic layer comprises a transition metal oxide and said ion-conductive material layer comprises a light-transmissive organic polymeric resin and an inorganic ion-conductive material.
Claims17
An electrochromic display element comprising
- (a) a first layer consisting essentially of an electrochromic material comprising a transition metal oxide, and
- (b) a second layer in contact with said first layer, said second layer consisting essentially of (i) a light-transmissive organic polymeric resin and (ii) an inorganic material which is ion-conductive.
Dependencies are inferred from the claim text.