Latest Developments in PET and PEN Films for flexible electronics (Printed Electronics USA 2006)

 

 

DuPont Teijin Films(DTF) has developed a family of highly stable substrates specifically for the flexible electronics market. Melinex® and Teonex® are biaxially oriented crystalline polyesters and they are emerging as the lead materials for flexible displays and printable electronics. This contribution will discuss the new trends in the family of base substrates; thinner, lower shrinkage, improved shrinkage uniformity, improved flatness, and improved cleanliness as well as a broader range of surface types and treatments. Understanding the influence of these factors is critical to achieving the performance required of substrates for flexible electronic applications. The contribution will also discuss the varying substrate requirements for different applications and will highlight the latest examples of film in use.

John Stewart is Marketing Manager for DuPont Teijin Films in the US. Mr. Stewart is responsible for identifying, evaluating and program management of new business opportunities for PET and PEN films in flexible electronics and displays.

 

Mr. Stewart joined DuPont in 1981 as an operation support engineer and has held a variety of progressive roles in product development, process development, operations, business management, and marketing at six different locations, with nearly twenty years in PET films. In 2002 he assumed his role in Marketing and Business Development.

 

Mr. Stewart holds a Masters degree in Business Administration from The University of North Carolina Kenan-Flagler Business School in Chapel Hill, North Carolina, as well as a BS in Mechanical Engineering from The University of Akron in Akron, Ohio. Mr. Stewart also hold two US patents in the PET film area.

DuPont Teijin Films, a joint venture between DuPont and Teijin, is the world's premier producer of polyester films, with combined sales of about $1.4 billion and production capacity over 300,000 tons per year. DuPont Teijin Films, now the world's leading supplier of PET and PEN polyester films, specializes in film products and related services for the specialty, industrial, packaging and advanced magnetic media and photo systems, electrical and electronics markets.

 

Brand names include Mylar®, Melinex®, and Teijin® Tetoron® PET polyester film, Teonex® PEN polyester film, and Cronar® polyester photographic base film. The business includes existing joint ventures with DuPont-Hongji Films Foshan Co., Ltd., in China.