Functional element having electrically controllable optical properties

US11433649B2 · kind B2 · utility

Assignee

• SAINT-GOBAIN GLASS FRANCE · FR

Inventors

• Florian Manz · Aachen, DE
• Jefferson DO ROSARIO · Aachen, DE
• Marcel KLEIN · Baesweiler, DE
• Michael Labrot · Aachen, DE
• Andreas Sznerski · Baesweiler, DE
• Sebastian Schurse · Übach-Palenberg, DE
• Valentin SCHULZ · Niederzier, DE

Key dates

• Filing date: Jun 6, 2019
• Grant date: Sep 6, 2022
• Expiry date: Jul 10, 2039

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E06B2009/2464
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A functional element having electrically controllable optical properties, includes a stack sequence formed of a first carrier film, a first surface electrode, an active layer, a second surface electrode, and a second carrier film, wherein the second carrier film has an overhanging region beyond the first carrier film and at least one barrier film is arranged on at least one edge region of the first carrier film and the overhanging region of the second carrier film.