Solid state complementary electrochromic display devices

Details Solid state complementary electrochromic display devices Solid state complementary electrochromic display devices

1981-11-05

1984-11-13

Arnold, Bruce Y.

G02F 123

Patent

active

044822162

ABSTRACT:
A solid state complementary electrochromic display device in which a first electrochromic material layer which permits an oxidation-reduction reaction and is colored in a reduction state, an ion permeable insulating layer, a second electrochromic material layer which permits an oxidation-reduction reaction and is colored in an oxidation state are prepared between two electrodes and the first electrochromic material layer and the second electrochromic material layer are colored or bleached simultaneously. The ion permeable insulating layer comprises a halogenide. As a result, high coloration concentration can be obtained at a low potential.

REFERENCES:
patent: 3840286 (1974-10-01), Kiss

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