Electrochromic display device and electrodeposition-type display device
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United States of America Patent
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-
Dec 25, 2007
Grant Date -
Feb 9, 2006
app pub date -
Sep 30, 2005
filing date -
Dec 27, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Between each transparent pixel electrode driven by TFT as a drive device and a common electrode, a polymer layer located in contact with the transparent pixel electrode and electrically active to change in color by electrochemical oxidization or reduction and a polymeric solid electrolytic layer located in contact with the polymer layer and containing a coloring agent are interposed. Since electrochemical oxidization or reduction brings about a color change, the contrast and the black concentration can be enhanced, and bronzing after long-time use does not occur.
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