A unified slim EL(Electro Luminescence) keypad is provided to be manufactured by combining a cover sheet with a color sheet during a protective sheet making process, and by combining all sheets including an EL sheet during a making process of a dome sheet, thereby simplifying a working process of the keypad, consequently a production cost is remarkably saved. A cover sheet(10) is arrayed with various keys such as characters and numbers in certain patterns. An EL sheet(40) is printed with EL which provides a light source to the cover sheet(10). A protective sheet(30) protects the EL printed on the EL sheet(40) by being disposed between the cover sheet(10) and the EL sheet(40). A dome sheet(50) protects the EL, and is formed with plural bosses(51) contacted with dome switches of a PCB(Printed Circuit Board) on a rear side. A color sheet(20) is color-printed to express the keys of the cover sheet(10) in certain color, is formed with border holes between the keys of the cover sheet(10), and is equipped with ribs(21) exposed by piercing the border holes.
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