Electrochromic display devices comprising substituted fluorene c

Details Electrochromic display devices comprising substituted fluorene c Electrochromic display devices comprising substituted fluorene c

1978-03-27

1979-02-13

Padgett, Benjamin R.

Compositions

Radioactive compositions

Nuclear reactor fuel

252408, C09K 300, G02F 117, G02F 123

Patent

active

041392760

ABSTRACT:
Electrochromic display devices having very desirable stability and reversibility are obtained using as the oxidant certain fluorene compounds substituted with at least two alkoxy groups per molecule. The display device comprises a reactive medium between two electrically conductive electrodes at least one of which is transparent. The reactive medium comprises an anhydrous solvent and an oxidant/reductant pair.

REFERENCES:
patent: 3317266 (1967-05-01), Heller et al.
patent: 3451741 (1969-06-01), Manos
patent: 3652149 (1972-03-01), Rogers
patent: 3806229 (1974-04-01), Schoot et al.
patent: 3854794 (1974-12-01), VAN Dam et al.
Ronlan, A. et al., J. Am. Chem. Soc., vol. 96, No. 3, pp. 845-849 (1974).
Ronlan, A. et al., J. Am. Chem. Soc., vol. 95, No. 21, pp. 7132-7138 (1973).

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