To provide an inexpensive illuminated push-button switch wherein a clear illumination of the push-button is obtained and the number of used parts is less, concerning the illuminated push-button switch used for various kinds of electronic equipment.
An EL element 20 is arranged at the bottom face of a substrate 17 under a switch contact point 2, and through holes 17A and 17B are formed in the vicinity of the contact point of the substrate 17 to constitute the illuminated push-button switch, and by means of the EL element 20 which surface illuminates and which is possible to illuminate plural push-buttons simultaneously, the push-button 11 and 12 are illuminated through the through holes 17A and 17B of the substrate 17, thereby the clear illumination of the push-button is obtained and the inexpensive push-button switch wherein the number of used parts is less can be obtained.
DOSONO SHIGETAKA
ISHIKAWA TAKAYUKI
ABE YOSHIHARU
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