Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1981-06-01
1984-02-28
Davie, James W.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340785, G02F 117
Patent
active
044339011
ABSTRACT:
An improvement in an all solid type electrochromic display element comprising a first electrode, a first oxidation-reduction reaction film layer, an insulating film layer, a second oxidation-reduction reaction film layer and a second electrode laminated in this order. The improvement is characterized in that only one of the first and second oxidation-reduction film layers is patterned.
REFERENCES:
patent: 3995943 (1976-12-01), Jasinski
patent: 4060311 (1977-11-01), Green
patent: 4253742 (1981-03-01), Morita
patent: 4335938 (1982-06-01), Giglia et al.
Akasaka Hideki
Kasui Toshikatsu
Niwa Tatsuo
Sukegawa Tsuneo
Takahashi Yosuke
Davie James W.
Nippon Kogaku K.K.
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