Keypad device
    2.
    发明授权
    Keypad device 有权
    键盘设备

    公开(公告)号:US07498533B1

    公开(公告)日:2009-03-03

    申请号:US12037944

    申请日:2008-02-27

    IPC分类号: H01H9/18

    摘要: A keypad device includes a keypad with a plurality of keys in a defined order, and a light guide plate disposed under the keypad. The light guide plate includes a plurality of patterns formed by a method of printing on a surface thereof, and each pattern includes adhesive material and reflective material. The keypad device further includes at least one LED lamp disposed beside the light guide plate.

    摘要翻译: 键盘装置包括具有定义顺序的多个键的小键盘和设置在小键盘下方的导光板。 导光板包括通过在其表面上印刷的方法形成的多个图案,并且每个图案包括粘合材料和反射材料。 键盘装置还包括设置在导光板旁边的至少一个LED灯。