SHEET SWITCH MODULE AND METHOD OF MANUFACTURING SAME

摘要

A sheet switch module (10) of the present invention includes: a light source (11); a light guide (12) that guides light from the light source (11); a sheet switch (20) disposed on the back side of the light guide (12) in a thickness direction of the light guide (12); and a groove (155) formed in the thickness direction of the light guide (12) in at least one of a surface and the back of the light guide (12).