Patent
1976-04-02
1977-11-22
Sikes, William L.
G02F 116
Patent
active
040593410
ABSTRACT:
An improved electrochromic display device and a method of making it are disclosed. The display device includes a proton free substance used as the electrolyte which increases the lifetime of the display, even at high switching voltages. The disclosed method includes the initial dehydration of the electrolyte material and the subsequent addition of a drying agent to it.
REFERENCES:
patent: 3839857 (1974-10-01), Berets et al.
patent: 3843232 (1974-10-01), Berets
BBC Brown Boveri & Company Limited
Sikes William L.
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