1978-10-23
1981-02-24
Davie, James W.
G02F 117
Patent
active
042524180
ABSTRACT:
An electrochromic display device, preferably employing an organic electrochromic material such as heptyl viologen, has display electrodes with a rough surface in contact with the electrochromic material. The device is operated at a sufficiently high current density so that the diffusion depth of the material conforms to the contours of the electrodes.
REFERENCES:
patent: 3854794 (1974-12-01), Van Dam et al.
patent: 3950077 (1976-04-01), Jasinski
Schoot et al., "New Electrochromic Memory Display" Appl. Phys. Lett., vol. 23, No. 2, Jul. 15, 1973, pp. 64-65.
Barclay Donald J.
Bird Colin L.
Martin David H.
Morgan William M.
Davie James W.
International Business Machines - Corporation
Kieninger Joseph E.
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