Patent ID: 6984799

Claim:
A method of manufacturing a push-button switch member which comprises a key-top portion for pressing a movable contact point which is disposed against a stationary contact point on a circuit board so as to oppose the stationary contact point; wherein the key-top portion is provided with a display section for displaying a switching function and an area emitter member integrally formed with the display section, the area emitter member is provided with a light emitting layer disposed between a base electrode and a transparent electrode disposed so as to oppose the base electrode. The transparent electrode is arranged to be contacted to the display section and formed of a transparent conductive polymer, the transparent electrode is continuously and integrally formed in a range including and between a side surface and an upper surface of the key-top portion, and the transparent electrode comprises a transparent conductive polymer which is selected from the group consisting of a derivative of polypyrrole, a derivative of polythiophene and a derivative of polyaniline; and wherein said method comprises: forming an elongating portion of a transparent electrode from the conductive polymer at a time when a transparent insulating film, having one surface on which the transparent electrode is formed, is subjected to a drawing process so as to be formed in a predetermined key-top shape, wherein tensile force is applied at the elongating portion of the transparent electrode at the drawing process.