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    • 9. 发明申请
    • FLEXIBLE EL DOME SHEET AND FLEXIBLE EL DOME SHEET KEYPAD USING THE SAME
    • 柔性薄片和柔性EL圆点表键盘使用它
    • WO2005125283A1
    • 2005-12-29
    • PCT/KR2005/000716
    • 2005-03-14
    • EL KOREA CORPORATIONSHIN, Dong HyukBAE, Kwang Hyuk
    • SHIN, Dong HyukBAE, Kwang Hyuk
    • H05B33/00
    • H01H13/83H01H13/7006H01H2205/026H01H2219/018
    • A flexible EL dome sheet uses a polymer insulation layer having a thickness of 5 to 50 gm as a substrate, and therefore, the thickness of the flexible EL dome sheet is 50 to 150 gm. The flexible EL dome sheet comprises a flexible EL sheet having key patterns formed thereon and metal or poly domes attached to the EL sheet. Since the flexible EL sheet and the metal or poly domes are used, the flexible EL dome sheet has excellent flexibility and durability, and an additional process for silicon molding is not necessary. Furthermore, the tactile feel of the flexible EL dome sheet keypad is improved. Electric connection between an EL driver of a flexible printed circuit board and the flexible EL sheet is achieved using a contact pad terminal structure, whereby no additional connector is necessary, and therefore, an FPC connecting process is not required.
    • 柔性EL圆顶片使用厚度为5〜50gm的聚合物绝缘层作为基板,因此柔性EL圆顶片的厚度为50〜150gm。 柔性EL圆顶片包括其上形成有键图案的柔性EL片和附着到EL片的金属或多晶圆顶。 由于使用柔性EL片和金属或多晶圆顶,因此柔性EL圆顶片具有优异的柔性和耐久性,并且不需要额外的硅成型工艺。 此外,改善了柔性EL圆顶板键盘的触感。 柔性印刷电路板的EL驱动器与柔性EL片之间的电连接使用接触垫端子结构实现,由此不需要额外的连接器,因此不需要FPC连接工艺。