Electrochromic display element

Details Electrochromic display element Electrochromic display element

1981-02-11

1983-10-25

Davie, James W.

G02F 117

Patent

active

044114974

ABSTRACT:
Disclosed is an electrochromic display element having a counter electrode comprised of a sintered material prepared by sintering an atomized material comprising as main components a powder of Sn[Fe(CN).sub.6 ], MnK[Fe(CN).sub.6 ], NiK[Fe(CN).sub.6 ], amorphous Fe.sub.2 (WO.sub.4).sub.3, amorphous FeWO.sub.4, amorphous Mn.sub.2 (WO.sub.4).sub.3 or amorphous MnWO.sub.4 and a powder of carbon. This electrochromic display element is characterized in that no substantial non-uniform brightness is observed among colored segments.

REFERENCES:
patent: 4348077 (1982-09-01), Kondo et al.

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