| 摘要 |
The present invention relates to a stacked polyester film, and a manufacturing method thereof. The polyester film of the present invention comprises: a first layer including a first polyester resin manufactured by a first catalyst; and a second layer in a stacked form, which includes a second polyester resin manufactured by a second catalyst, wherein the second catalyst is different from the first catalyst. The polyester film according to the present invention has improved brightness and low oligomer leaching characteristics, thereby being useful as a substrate of a prism for an ITO substrate, a silver nanowire substrate, a metal mesh substrate, and an LED backlight unit. |
