PUSH BUTTON SWITCH MEMBER, KEY PANEL, ELECTRONIC APPARATUS, AND PRODUCTION METHOD FOR PUSH BUTTON SWITCH

摘要

PROBLEM TO BE SOLVED: To provide a push button switch member having a white background color with an excellent visibility of a display part even the both display and the background parts have high brightness in either illuminated or non-illuminated condition.

SOLUTION: A push button switch member includes at least: a key top 20; a coloring layer 30 laminated on an operation surface 22 of the key top 20; an absorption layer 40; and a white layer 50. A through hole 70 includes: a first area H1 for penetrating the absorption layer 40 and the white layer 50; and a second area H2 for penetrating the coloring layer 30, an absorption layer 40, and the white layer 50 to be disposed so as to at least partially surround a peripheral area of the first area H1, in which the whiteness of the coloring layer is 25% or more. There are also provided a key panel and an electronic apparatus using the push button switch member, and a production method of the push button switch member.

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