Electrochromic display with porous separator

Details Electrochromic display with porous separator Electrochromic display with porous separator

1975-01-13

1976-03-16

Sikes, William L.

G02F 136

Patent

active

039443337

ABSTRACT:
An electrochromic display device having transparent electrodes on a substrate and coated with electrochromic material for selectively displaying optical patterns, a counter-electrode on a parallel substrate also coated with electrochromic material, a thin porous separator membrane for closely spacing the substrates, the separator pores saturated with liquid electrolyte contacting the electrochromic layers and pigment providing a contrasting background for the first mentioned electrochromic layer and hiding the second electrochromic layer.

REFERENCES:
patent: 3807832 (1974-04-01), Castellion
patent: 3844636 (1974-10-01), Maricle et al.

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