Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1989-09-29
1992-06-23
Hille, Rolf
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359275, 359270, G02F 101
Patent
active
051248328
ABSTRACT:
An electrochromic transparency comprising an electrochromic film and a preformed, preconditioned ion-conductive polymer sheet laminated between a pair of electrode bearing cell members is disclosed wherein the optimum moisture content of the ion-conducting polymer sheet is maintained by means of a moisture vapor barrier surrounding the perimeter of the cell.
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Greenberg Charles B.
Rukavina Thomas G.
Singleton David E.
Hille Rolf
PPG Industries Inc.
Saadat Mahshid
Seidel Donna L.
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