Electrochromic display device and electrodeposition-type...

Details Electrochromic display device and electrodeposition-type... Electrochromic display device and electrodeposition-type...

2007-12-25

2007-12-25

Dang, Hung X. (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S265000, C345S049000, C345S105000, C348S817000

Reexamination Certificate

active

11240136

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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