Flexible and printable electrooptic devices
First Claim
Patent Images
1. An electrochromic (EC) device comprising a pair of conducting electrodes and an electrolyte disposed between the pair of conducting electrodes, wherein(a) one of the said electrodes is transparent;
- and(b) the said device comprises a redox material which is a colorless monomer or a faintly colored monomer that polymerizes and causes an irreversible change in the color of the said device when the said device is initially electrically activated.
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Abstract
This invention discloses how electrooptic devices including electrochromic devices that can be fabricated as tags or labels; and further the materials used, device structures and how these can be processed by printing technologies and on flexible substrates. In addition, systems using displays of such devices and their integration with other components are described for forming labels and tags, etc, that may be actuated wirelessly or powered with low voltage and low capacity batteries.
33 Citations
25 Claims
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1. An electrochromic (EC) device comprising a pair of conducting electrodes and an electrolyte disposed between the pair of conducting electrodes, wherein
(a) one of the said electrodes is transparent; - and
(b) the said device comprises a redox material which is a colorless monomer or a faintly colored monomer that polymerizes and causes an irreversible change in the color of the said device when the said device is initially electrically activated. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electrochromic (EC) device comprises a pair of conducting electrodes and an electrolyte in contact with the pair of said conducting electrodes, wherein
(a) the said electrolyte comprises a redox material which is a colorless monomer or a faintly colored monomer that polymerizes and deposits as a layer on one of the said electrodes which causes a change in the color of the said device when the said device is initially electrically activated.
- 23. A display system comprising an electrochromic (EC) device, wherein the said electrochromic device comprises (a) a redox monomer (a) and upon initial electrical activation of the said device, the said monomer polymerizes resulting in an irreversible optical change so as to result in a change of information being displayed.
Specification