Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1999-04-30
2000-10-24
Sugarman, Scott J.
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359267, 359275, 252583, 252586, G02F 1153, G02F 100, G02B 523
Patent
active
061376205
ABSTRACT:
Increased stability of electrochromic devices containing an electrochromic medium having two or more electroactive compounds is accomplished by establishing current limiting concentrations of electroactive compounds with the larger redox potential difference. A process for production of electrochromic devices uses targeted concentrations of electroactive materials during preparation of the electrochromic medium which results in substantially no devices being produced wherein the current is limited by an electroactive compound having a low redox potential difference.
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Anderson John S.
Cammenga David J.
Guarr Thomas F.
Theiste David A.
Gentex Corporation
Rees Brian J.
Spector David N.
Sugarman Scott J.
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