Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1986-06-16
1989-08-08
Curtis, Marshall M.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
350357, G09G 334
Patent
active
048557277
ABSTRACT:
An electrochromic display device comprises a pair of first and second, opposed insulative substrates, a layer of electrochromic substance sandwiched between the substrates, a transparent display electrode on the first substrate, and a counter electrode on the second substrate. A dielectric layer analogous in pattern to the display electrode is formed on the counter electrode to improve the device's life time and eliminate interference between adjacent display electrodes.
REFERENCES:
patent: 3836229 (1974-09-01), Saurer
Higuchi Sadashi
Ito Yoshimasa
Tsuchiya Soji
Yamashita Akio
Curtis Marshall M.
Matsushita Electric Industrial Company Ltd.
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