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    Keypad assembly having reflection pattern
    1.
    发明授权
    Keypad assembly having reflection pattern 有权
    具有反射图案的键盘组件

    公开(公告)号：US07635819B2

    公开(公告)日：2009-12-22

    申请号：US11319841

    申请日：2005-12-28

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

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

    IPC分类号： H01H9/00

    CPC分类号： G06F3/0202 ,  H01H13/83 ,  H01H2219/014 ,  H01H2219/056 ,  H01H2219/062

    摘要： A keypad assembly includes a light guide plate adapted to transmit light and comprising a supporting portion and an elastic portion made of different material than material of the supporting portion, at least one key button disposed on the side of the light guide plate where a first surface of the light guide plate is located, and at least one reflection pattern locally formed on the light guide plate and adapted to reflect light transmitted into the light guide plate toward the key button. The elastic portion is disposed below the key button.

    摘要翻译： 键盘组件包括适于透射光并包括支撑部分的导光板和由与支撑部分的材料不同的材料制成的弹性部分，设置在导光板侧面的至少一个按钮按钮，其中第一表面 以及至少一个反射图案局部地形成在导光板上，并且适于将透射到导光板的光朝向按键反射。 弹性部分设置在按键的下方。

    Planar light wave circuit and optical performance monitoring module using the same
    5.
    发明授权
    Planar light wave circuit and optical performance monitoring module using the same 失效
    平面光波电路和光学性能监测模块使用相同

    公开(公告)号：US07006736B2

    公开(公告)日：2006-02-28

    申请号：US10730151

    申请日：2003-12-08

    申请人： Joo-Hoon Lee ,  Dong-Su Kim ,  Kyoung-Youm Kim

    发明人： Joo-Hoon Lee ,  Dong-Su Kim ,  Kyoung-Youm Kim

    IPC分类号： G02B6/26

    CPC分类号： G02B6/12007 ,  G02B6/126 ,  G02B6/29385 ,  G02B6/4213 ,  G02B6/4215 ,  G02B6/4286 ,  H04B10/077 ,  H04B10/07955

    摘要： A planar light wave circuit is disclosed, which comprises: a first waveguide for receiving optical signals from an outside; a second waveguide having a first end surface and a second end surface, so that lights outputted from the first waveguide are partially reflected by the first end surface and are partially incidented into the first end surface and then outputted through the second end surface; a third waveguide for receiving the light reflected by the first end surface; and a common region bordering each end surface of the first to the third waveguides and having an index of refraction different from an index of refraction of the second waveguide.

    摘要翻译： 公开了一种平面光波电路，其包括：用于从外部接收光信号的第一波导; 第二波导，具有第一端面和第二端面，使得从第一波导输出的光部分地被第一端面反射，并且部分地入射到第一端面中，然后通过第二端面输出; 用于接收由第一端面反射的光的第三波导; 以及与第一至第三波导的每个端表面接壤并具有不同于第二波导的折射率的折射率的公共区域。

    Keypad with light guide layer, keypad assembly and portable terminal
    9.
    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：US07589292B2

    公开(公告)日：2009-09-15

    申请号：US12004926

    申请日：2007-12-21

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

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

    IPC分类号： H01H1/10

    CPC分类号： H01H13/83 ,  H01H2219/044 ,  H01H2219/056 ,  H01H2219/06 ,  H01H2219/062

    摘要： 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.

    摘要翻译： 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。