POLYESTER FILM FOR BRIGHTNESS ENHANCEMENT SHEET

摘要

To provide a polyester film to be used as a base film of a brightness enhancement sheet (prism lens sheet) which has heat-resistant adhesiveness sufficient for enabling it to be preferably used for an in-car material or a high-luminance large screen display, and has a high transparency and shows a high adherence to a prism lens layer, a polyester film for a brightness enhancement sheet characterized by comprising a polyester film and a coating layer provided thereon, wherein the coating layer comprises an acrylic resin, a crosslinking agent and a polyoxyalkylenephenyl ether is used.