Electrically controllable device having variable optical...

Details Electrically controllable device having variable optical... Electrically controllable device having variable optical...

2006-02-21

2006-02-21

Ben, Loha (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S245000, C359S274000, C359S291000, C359S295000, C428S446000, C428S689000, C428S698000, C428S001100, C206S524400, C257S787000, C313S512000

Reexamination Certificate

active

07002720

ABSTRACT:
The subject of the invention is an electrically controllable device having variable optical and/or energy properties of the electrochromic type, which comprises a functional film consisting of a layer or a stack of layers which is placed between two external substrates which meet the following criteria:at least one is essentially transparent;at least one is based on one (or more) film(s) based on one or more polymers;each of them is a water vapor barrier, with a water vapor permeability of at most 1 g/m2/24 h, especially at most 0.1 g/m2/24 h.

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