LIGHT GUIDE SHEET AND MOVABLE CONTACT UNIT AND SWITCH USING THE SAME

The disclosed relates to a light-guide-sheet used in operation panel of a various electronic equipment, and a movable-contact-unit and a switch using the same, which have a simplified structure free from uneven illumination and a cheap cost price. Therefore, the light-guide-sheet is provided with th...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: INOUE TAKEFUMI
Format: Patent
Sprache:eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The disclosed relates to a light-guide-sheet used in operation panel of a various electronic equipment, and a movable-contact-unit and a switch using the same, which have a simplified structure free from uneven illumination and a cheap cost price. Therefore, the light-guide-sheet is provided with the light-guide-member including an inlet, a generally strip-shaped guide-path coupled with the inlet, and generally circularly and irregularly shaped light-emitters coupled with the guide-path, each formed from a polymer having an index of refraction different from that of base-film and formed in grooves provided on a base-film.