LENS SHEET

摘要

PROBLEM TO BE SOLVED: To provide a lens sheet with good productivity and good dimensional stability at high temperature. SOLUTION: The lens sheet is obtained by forming an optical element on at least one surface of a transparent substrate formed of a polyester resin consisting of diol units 1-80 mol% of which are diol units having a cyclic acetal skeleton and dicarboxylic acid units. COPYRIGHT: (C)2007,JPO&INPIT