Electrochromic display having enhanced night viewability

Details Electrochromic display having enhanced night viewability Electrochromic display having enhanced night viewability

1978-09-15

1980-07-29

Davie, James W.

G02F 117

Patent

active

042148200

ABSTRACT:
A plurality of self-luminous light sources, each preferably comprising a transparent shell, a radioactive material encapsulated in the shell, and a radioluminescent material coated on the shell, are incorporated in the ion-conducting layer of an electrochromic display at selected locations behind the image-forming electrochromic segments to provide sufficient back lighting for enhanced night viewability of the display elements.

REFERENCES:
patent: 3147225 (1964-09-01), Ryan
patent: 3409770 (1968-11-01), Clapham, Jr.
patent: 3944333 (1976-03-01), Leibowitz
patent: 3998525 (1976-12-01), Giglia
patent: 4116546 (1978-09-01), Leibowitz
patent: 4126384 (1978-11-01), Goodman et al.
J. H. Zechman, "Alphanumeric Electrochemical Display", IBM Technical Disclosure Bulletin, vol. 14, No. 1, Jun., 1971, pp. 201-202.

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