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    Keypad with light guide layer, keypad assembly and portable terminal
    41.
    发明授权
    Keypad with light guide layer, keypad assembly and portable terminal 失效
    键盘带导光层，键盘组合和便携式终端

    公开(公告)号：US07411142B2

    公开(公告)日：2008-08-12

    申请号：US11367610

    申请日：2006-03-03

    Applicant: Sun-Tae Jung ,  Joo-Hoon Lee ,  Kyoung-Youm Kim

    Inventor： Sun-Tae Jung ,  Joo-Hoon Lee ,  Kyoung-Youm Kim

    IPC: H01H9/00

    CPC classification number: H01H13/83 ,  H01H2219/044 ,  H01H2219/056 ,  H01H2219/06 ,  H01H2219/062

    Abstract: Disclosed is a keypad which can realize uniform and bright illumination, small power consumption and low manufacturing cost. The keypad includes a light guide layer through which light travels, at least one key button disposed on an upper surface of the light guide layer, a lower elastic layer disposed on a lower surface of the light guide layer, located opposite the upper surface, and at least one reflective pattern formed on the light guide layer and partially reflecting light traveling through the light guide layer toward the key button.

    Abstract translation: 公开了能够实现均匀且明亮的照明，功耗小，制造成本低的键盘。 键盘包括光线穿过的导光层，设置在导光层的上表面上的至少一个键按钮，设置在导光层的下表面上的下弹性层，位于与上表面相对的位置，以及 形成在所述导光层上的至少一个反射图案，并且部分地将穿过所述导光层的光朝向所述键按钮反射。

    Key pad lighting apparatus for a portable terminal
    48.
    发明申请
    Key pad lighting apparatus for a portable terminal 有权
    用于便携式终端的键盘照明装置

    公开(公告)号：US20070041573A1

    公开(公告)日：2007-02-22

    申请号：US11452624

    申请日：2006-06-14

    Applicant: Sun-Tae Jung ,  Joo-Hoon Lee

    Inventor： Sun-Tae Jung ,  Joo-Hoon Lee

    IPC: H04M1/00

    CPC classification number: H04M1/22 ,  H01H2219/062

    Abstract: A key pad lighting apparatus for a portable terminal includes: a waveguide in which a plurality of key buttons are arranged at one surface thereof; at least one light source provided at one side of the waveguide for introducing the light into the waveguide; and a guide member surrounding the light source for preventing a discharge of the light and for guiding the light into the waveguide. The key pad lighting apparatus can uniformly illuminate the key buttons installed in the key pad with a few light source using less light sources which helps to reduce the power consumption.

    Abstract translation: 一种用于便携式终端的键盘照明装置包括：波导，其中多个键按钮布置在其一个表面上; 设置在所述波导的一侧的至少一个光源，用于将光引入到所述波导中; 以及围绕光源的引导构件，用于防止光的放出并将光引导到波导中。 键盘照明装置可以使用较少的光源均匀地照亮安装在键盘中的按键，其中少数光源有助于降低功耗。

    Keypad, keypad assembly and portable terminal
    49.
    发明申请
    Keypad, keypad assembly and portable terminal 审中-公开
    键盘，键盘组合和便携式终端

    公开(公告)号：US20070013664A1

    公开(公告)日：2007-01-18

    申请号：US11481443

    申请日：2006-07-06

    Applicant: Joo-Hoon Lee ,  Sun-Tae Jung

    Inventor： Joo-Hoon Lee ,  Sun-Tae Jung

    IPC: G09G5/00

    CPC classification number: H01H13/83 ,  H01H2219/044 ,  H01H2219/056 ,  H01H2219/06 ,  H01H2219/062

    Abstract: A keypad including a light guide layer in which light travels, and at least one key button disposed on an upper surface of the light guide panel. The key button may be attached on the upper surface of the light guide panel by means of an adhesive member which has a refractive index disrupting the reflective condition of the light traveling in the light guide panel. The key button may also be disposed on an upper surface of the light guide panel and at least one reflective pattern formed on the light guide panel and partially reflecting the light traveling in the light guide panel toward the key button.

    Abstract translation: 包括光行进的导光层的键盘和设置在导光板的上表面上的至少一个键按钮。 键按钮可以通过具有中断在导光板中行进的光的反射条件的折射率的粘合构件附着在导光板的上表面上。 键按钮还可以布置在导光板的上表面上，并且至少一个反射图案形成在导光板上并且部分地将在导光板中行进的光朝向键按钮反射。

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