Charge transfer type electrochromic display devices

Details Charge transfer type electrochromic display devices Charge transfer type electrochromic display devices

1981-06-24

1983-12-13

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340785, 340812, 350357, G09G 316

Patent

active

044207492

ABSTRACT:
An electrochromic display device is characterized by comprising a counter electrode, opposed to a plurality of display segmented electrodes, for absorbing a charge present in some colored display segments. Thereafter, the counter electrode provides a refreshing charge to said some segments from which charge has been taken off. A total amount of charge, defined as the amount of charge necessary for coloring all the display electrodes, is kept constant by refreshing.

REFERENCES:
patent: 4210907 (1980-07-01), Hamada et al.
patent: 4295138 (1981-10-01), Nakauchi et al.
patent: 4322133 (1982-03-01), Uede et al.

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