Electrochromic display device

Details Electrochromic display device Electrochromic display device

1988-07-27

1990-09-18

LaRoche, Eugene R.

Communications: electrical

Land vehicle alarms or indicators

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

350357, 340785, 340786, G02F 101, G09G 334

Patent

active

049573527

ABSTRACT:
An electrochromic display is disclosed, in which an electrochromic material layer is disposed between a pair of plates each having an array of electrodes. The electrochromic material layer is composed of leuco dyes, supporting electrolyte and binder. The leuco dyes can be colored and discolored upon application of current thereto in a liquefied state of the material layer. Melting the material layer and application of current are carried out by the array of the electrodes.

REFERENCES:
patent: 3010883 (1961-11-01), Johnson et al.
patent: 4033673 (1977-07-01), Seki
patent: 4374001 (1983-02-01), Bernier
patent: 4500878 (1985-02-01), Hareng et al.
patent: 4549192 (1985-10-01), Hung
patent: 4728177 (1988-03-01), Green

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