TRANSFORMATION STRUCTURE OF KEYPAD LETTER FOR ELECTRONIC EQUIPMENT USING BACK LIGHT

摘要

A structure for converting keypad characters of electric equipment using a backlight is provided to implement a fine design by removing the necessity of printing characters or numbers on a single key button. A key button(100) is formed in a convex lens shape. A key input unit(200) is provided at a lower side of the key button(100) and executes an operation of a key input. A dome switch(300) is formed at a lower side of the key button(100) to transfer a signal when the key button(100) is pressed by the operation of the key input unit(200). A PCB(Printed Circuit Board)(400) is connected with the dome switch(300) and transfers the signal of the key button. A spacer member(500) is provided between the key button(100) and the dome switch(300).