Active device having variable energy/optical properties

Details Active device having variable energy/optical properties Active device having variable energy/optical properties

2007-07-20

2011-10-11

Martinez, Joseph P (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

Reexamination Certificate

active

08035882

ABSTRACT:
The invention relates to an active device having variable energy/light transmission properties (100) comprising an active system (1, 12) between a protective substrate (2) and a protective cover (3), selected from an essentially inorganic electrochromic system, a light valve system, a liquid crystal system, a gasochromic system, a thermochromic system, means leakproof to liquid water and/or water vapor, a surround (50) made from at least one metal based part (5a,5b) on the periphery of the device, the surround being assembled with the cover and with the substrate by assembling means (61′to64′) forming at least part of the means leakproof to water vapor.

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