Constant current/constant voltage drive for an electrochromic di

Details Constant current/constant voltage drive for an electrochromic di Constant current/constant voltage drive for an electrochromic di

1983-08-18

1985-08-13

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340811, 340812, 340357, G09G 334

Patent

active

045353298

ABSTRACT:
For an electro-optical display cell which manifests the electrochromic phenomenon to place the cell into the colored state or bleached state in response to current supplied, a constant current driving technique is carried through in the color (write) mode and a constant voltage is carried through in the bleach (erase) mode.

REFERENCES:
patent: 3987433 (1976-10-01), Kennedy
patent: 4057739 (1977-11-01), Otake
patent: 4201984 (1980-05-01), Inami et al.
Electrochromic Display Devices; Bruinink; pp. 201-218, Proceedings of 4th Brown-Boveri Symposium; 9/75.

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