Transparent, electrically conductive, coated polyester film, process for its production, and its use

US7534487B2 · kind B2 · utility

Assignee

• Mitsubishi Polyester Film GmbH · US

Inventors

• Dagmar Klein · Ockenheim, DE
• Holger Kliesch · Ginsheim-Gustavsburg, DE
• Thorsten Kiehne · Wiesbaden, DE
• Bodo Kuhmann · Runkel, DE
• Franz Hora · Kriftel, DE
• Gottfried Hilkert · Saulheim, DE
• Manfred Wiederhold · Wiesbaden, DE

Key dates

• Filing date: Mar 18, 2005
• Grant date: May 19, 2009
• Expiry date: Mar 18, 2025

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31786
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The invention relates to a transparent, electrically conductive, biaxially oriented, single- or multilayer polyester film which includes a coating composed of (a) conductive (ITO) indium tin oxide particles or (ATO) antimony tin oxide particles, or of a mixture of these. The film further include other conductive components (b). The other conductive components (b) may be present either in the coating including ITO particles and/or ATO particles or in a layer in contact therewith. The conductive component (b) may also be a metal layer in contact with the ITO and/or ATO. The film is only oriented or relaxed prior to application of the ITO and/or ATO coating. The invention further relates to a process for the production of the film, and its use.