Composite pane comprising a functional element having electrically controllable optical properties and having a concentration gradient of the active substance

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United States of America

PATENT NO 12162247
APP PUB NO 20210387514A1
SERIAL NO

17287456

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Abstract

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A composite pane includes a functional element having electrically controllable optical properties, includes an inner pane including an inner and outer side and an outer pane including an inner and outer side, a thermoplastic intermediate layer, which joins the inner side) of the inner pane to the inner side of the outer pane, a functional element embedded in the thermoplastic intermediate layer and having electrically controllable optical properties at least including a multilayer film containing, arranged surface-to-surface one above the other in this sequence, a first carrier film, a first surface electrode, an active layer, a second surface electrode, and a second carrier film. The active layer includes a matrix and an active substance, and the concentration of the active substance varies over the area of the functional element.

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Patent Owner(s)

Patent OwnerAddress
SAINT-GOBAIN GLASS FRANCEKOLB WATT FRANCE COURBEVOIE HAUTS-DE-SEINE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Do, Rosario Jefferson Aachen, DE 22 12
Klein, Marcel Baesweiler, DE 41 100

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