ILLUMINATION TYPE KEY SHEET AND ILLUMINATION TYPE KEY UNIT

摘要

PROBLEM TO BE SOLVED: To provide an illumination type key sheet and an illumination type key unit reduced in thickness, capable of ensuring strokes when keytops are pushed, and capable of providing a variety of appearances by employing various decorating means.;SOLUTION: The illumination type key sheet of the present invention uses an electroluminescent (EL) sheet 1 as a key base, the EL sheet 1 having swollen parts 2 at positions where keytops 3 are to be disposed. The keytops 3 have a translucent property and are disposed on the swollen parts 2.;COPYRIGHT: (C)2007,JPO&INPIT