Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1990-09-17
1993-01-12
Mintel, William
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359272, 359275, G02F 101
Patent
active
051794675
ABSTRACT:
An electrochemical color change cell incorporating as a color changing agent intramolecular charge transfer salt or an intermolecular charge transfer salt. The intermolecular charge transfer salts and the intramolecular charge transfer salts have a plurality of oxidation states and a wide variation in color change. The intermolecular and intramolecular charge transfer salts preferably contain a violene moiety and a moiety having a carbonyl group conjugated to an aromatic moiety. The intramolecular charge transfer salts have a stable covalent radical-anion/radical-cation configuration. The intermolecular charge transfer salts have a stable ionic radical-anion/radical-cation configuration.
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Buchwalter Stephen L.
Goldberg Martin J.
Iyengar Revathi
O'Toole Terrence R.
Viehbeck Alfred
International Business Machines - Corporation
Mintel William
Morris Daniel P.
Potter Roy
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