Solid electrochromic element

Details Solid electrochromic element Solid electrochromic element

1979-12-20

1981-10-06

Davie, James W.

G02F 117

Patent

active

042931940

ABSTRACT:
In a solid electrochromic element which comprises a lamination of a first electrode, a dielectric material layer, an electron blocking layer, a solid electrochromic substance layer and a second electrode and in which a voltage is applied between the first and the second electrode to thereby cause coloration of the solid electrochromic substance layer, the electron blocking layer is formed by two layers, of which the layer adjacent to the electrode to which a positive voltage is applied is formed by an N-type semiconductor and the layer adjacent to the electrode to which a negative voltage is applied formed by a P-type semiconductor.

REFERENCES:
patent: 3971624 (1976-07-01), Bruesch et al.

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