Saint-Gobain Glass France

Benoit Louis

Antoine Diguet

A device having a scattering which can be varied by liquid crystals includes a first electrode, an electroactive layer and a second electrode. It includes, between the first electrode and the electroactive layer, a first transparent polymeric barrier layer with a thickness of Tand optionally, between the second electrode and the electroactive layer, a second transparent polymeric barrier layer with a thickness of T, Tbeing nonzero and at least 1 &#x3bc;m, and T+Tbeing at most 40 &#x3bc;m. The first polymeric barrier layer carries the first electrode or the first electrode is on a first dielectric substrate. The second optional polymeric barrier layer carries the second electrode or the second electrode is on a second dielectric substrate.

Electrically controllable device having an electroactive layer containing liquid crystals and a polymeric barrier between the electroactive layer and an electrode

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Saint Denis, France

Benoit Louis