LENS ARRAY UNIT AND LENS ARRAY UNIT MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To prevent stray light without adding limitation to design.SOLUTION: A lens array unit 13 includes: a first lens array 17; and a light shielding film 33. The first lens array 17 has a plurality of lens surfaces each functioning as a single lense on a first surface. The light shielding film 33 is formed on the first surface. The light shielding film 33 shields at least a region other than the plurality of lens surfaces on the first surface.