Tecdis S.p.a.

Eltek S.p.a.

Corrado Gerbaz

Costanzo Gadini

Fabio Nebbia

Christian Scarabelli

Andrea Fiorini

Adriano Petruzzi

Polarizing coatings are formed from dyestuffs which provide a stable liquid crystalline phase in a wide range of concentrations, temperatures and pH-values. Particles formed by aggregates of the liquid crystal molecules are oriented in a predetermined direction to polarize light The stability of the liquid crystalline state allows orienting the particles by mechanical forces such as a shearing force applied when the liquid crystal () is spread on a support surface () by a knife-like doctor () or a tension deformation force acting on the meniscus of the liquid crystal deposited between two surfaces () as the surfaces are peeled off one another. As a result, the polarizing coatings are formed in some embodiments by simple methods. In some embodiments, the polarizing coatings have a high lightfastness, a high thermal stability, and a high dichroic ratio.

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Aosta, Italy

Corrado Gerbaz