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    Keypad assembly for a portable terminal
    62.
    发明授权
    Keypad assembly for a portable terminal 有权
    便携式终端的键盘组件

    公开(公告)号：US07525454B2

    公开(公告)日：2009-04-28

    申请号：US11363850

    申请日：2006-02-28

    Applicant: Sun-Tae Jung ,  Joo-Hoon Lee

    Inventor： Sun-Tae Jung ,  Joo-Hoon Lee

    IPC: H03K17/00

    CPC classification number: H01H13/83 ,  H01H2219/056 ,  H01H2219/062 ,  H01H2219/0621

    Abstract: A keypad assembly includes a keypad having at least one elastic layer and at least one key button on the elastic layer, a waveguide for transmitting and guiding light therethrough, the waveguide being placed below the elastic layer and having at least one reflection pattern to reflect light toward a respective key button, and a switch substrate under the waveguide and having at least one switch corresponding to the respective key button.

    Abstract translation: 键盘组件包括具有至少一个弹性层和弹性层上的至少一个按钮的键盘，用于透射和引导光的波导，波导被放置在弹性层的下面并且具有至少一个反射图案以反射光 朝向相应的键按钮，以及在波导下方的开关基板，并且具有至少一个对应于各个键按钮的开关。

    WAVEGUIDE MEMBER AND KEYPAD ASSEMBLY USING THE SAME
    63.
    发明申请
    WAVEGUIDE MEMBER AND KEYPAD ASSEMBLY USING THE SAME 有权
    波形组件和键盘组件使用相同

    公开(公告)号：US20080225507A1

    公开(公告)日：2008-09-18

    申请号：US12041706

    申请日：2008-03-04

    Applicant: Joo-Hoon Lee ,  Gwan-Hyung Kim

    Inventor： Joo-Hoon Lee ,  Gwan-Hyung Kim

    IPC: G01D11/28 ,  G02B6/34

    CPC classification number: H01H13/83 ,  H01H2219/06 ,  H01H2219/062 ,  H01H2219/064

    Abstract: Disclosed are a waveguide member and a keypad assembly including the same. The waveguide member includes a waveguide for guiding light propagated inside, and at least one recess formed in a direction perpendicular to a direction of guidance of light coupled to the inside of the waveguide so that light guided by the waveguide is reflected to the waveguide. The keypad assembly includes a keypad having at least one key button and an elastic sheet fixing the key button, a waveguide member positioned beneath the keypad, the waveguide member having a waveguide for guiding light coupled to an inside and at least one recess for reflecting light guided by the waveguide to the waveguide, and a switch pad positioned beneath the waveguide member so as to establish an electric contact when the key button is pressed.

    Abstract translation: 公开了一种波导构件和包括其的键盘组件。 波导构件包括用于引导在内部传播的光的波导和至少一个形成在垂直于耦合到波导的内部的光的引导方向的方向上的凹陷，使得由波导引导的光被反射到波导。 键盘组件包括具有至少一个键按钮和固定键按钮的弹性片的键盘，位于键盘下方的波导构件，波导构件具有用于引导耦合到内部的光的波导和用于反射光的至少一个凹部 由波导引导到波导，以及位于波导构件下方的开关垫，以便当按压按钮时建立电接触。

    Keypad assembly for electronic device
    64.
    发明授权
    Keypad assembly for electronic device 有权
    电子设备键盘组件

    公开(公告)号：US07335844B2

    公开(公告)日：2008-02-26

    申请号：US11670476

    申请日：2007-02-02

    Applicant: Joo-Hoon Lee ,  Byung-Duck Cho ,  Dong-Hoon Jang ,  Sun-Tae Jung

    Inventor： Joo-Hoon Lee ,  Byung-Duck Cho ,  Dong-Hoon Jang ,  Sun-Tae Jung

    IPC: H01H9/18

    CPC classification number: H01H13/83 ,  H01H2209/004 ,  H01H2209/02 ,  H01H2219/039 ,  H01H2219/044 ,  H01H2219/052 ,  H01H2219/056 ,  H01H2219/06 ,  H01H2219/062

    Abstract: A keypad assembly for an electronic device is disclosed. The keypad assembly includes a light guide plate through which a light moves, a plurality of first key buttons on the top surface of the light guide plate, a plurality of reflecting patterns on the bottom surface of the light guide plate for reflecting the light moving through the light guide plate toward the first key buttons, protrusions under the reflecting patterns, a plurality of light emitting devices for supplying the light to the light guide plate, and a switch board including a plurality of dome switches and at least one first optical filtering layer whose color is changed into various colors by reacting or not reacting to the wavelengths of lights generated from the light emitting devices is included under each of the first key buttons.

    Abstract translation: 公开了一种用于电子设备的键盘组件。 键盘组件包括导光板，光线通过该导光板，导光板顶表面上的多个第一键按钮，导光板底表面上的多个反射图案，用于反射光线移动通过 导光板朝向第一按键按钮，反射图案下方的突起，用于将光提供给导光板的多个发光装置以及包括多个圆顶开关和至少一个第一光学滤波层的开关板 其颜色通过反应或不响应于从发光器件产生的光的波长而变为各种颜色包括在每个第一键按钮下。

    Planar light wave circuit and optical performance monitoring module using the same
    67.
    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

    Applicant: Joo-Hoon Lee ,  Dong-Su Kim ,  Kyoung-Youm Kim

    Inventor： Joo-Hoon Lee ,  Dong-Su Kim ,  Kyoung-Youm Kim

    IPC: G02B6/26

    CPC classification number: G02B6/12007 ,  G02B6/126 ,  G02B6/29385 ,  G02B6/4213 ,  G02B6/4215 ,  G02B6/4286 ,  H04B10/077 ,  H04B10/07955

    Abstract: 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.

    Abstract translation: 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。

    Touch screen with soft key enabling electromagnetic resonance input
    68.
    发明授权
    Touch screen with soft key enabling electromagnetic resonance input 有权

    公开(公告)号：US09811195B2

    公开(公告)日：2017-11-07

    申请号：US13544378

    申请日：2012-07-09

    Applicant: Joo-Hoon Lee

    Inventor： Joo-Hoon Lee

    IPC: G06F3/041 ,  G06F3/044 ,  G06F3/046

    CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F3/046 ,  G06F2203/04106

    Abstract: A touch screen and a method for controlling the touch screen are provided. The touch screen includes a user interface including a display area and at least one soft key; a touch sensor unit disposed under the display area and the at least one soft key of the user interface, for sensing a touch on the display area or the at least one soft key; a display unit disposed under the touch sensor unit, for outputting a display screen; a first electromagnetic sensor unit disposed under the display unit, for sensing an electromagnetic field incident on the display area; and a second electromagnetic sensor unit physically separated from the first electromagnetic sensor unit, for sensing at least one electromagnetic field incident on the at least one soft key.

    Method and apparatus for driving electrophoretic display
    70.
    发明授权
    Method and apparatus for driving electrophoretic display 有权
    用于驱动电泳显示的方法和装置

    公开(公告)号：US08493318B2

    公开(公告)日：2013-07-23

    申请号：US12983579

    申请日：2011-01-03

    Applicant: Gwan-Hyung Kim ,  Joo-Hoon Lee

    Inventor： Gwan-Hyung Kim ,  Joo-Hoon Lee

    IPC: G09G3/34

    CPC classification number: G09G3/344 ,  G09G2310/065 ,  G09G2320/0257

    Abstract: A method and apparatus for driving an Electrophoretic Display (EPD) where the apparatus includes a controller for controlling an overall operation of the apparatus for driving the EPD, determining data to be displayed on the EPD, and outputting a drive signal; a driver for generating a driving voltage pulse for moving black particles and white particles to display the data on the EPD according to the drive signal output from the controller, thereby controlling the EPD; and the EPD for displaying a representation of the data in white or black according to the driving voltage pulse, wherein the driver generates the driving voltage pulse for moving the black particles or the white particles in such a manner that the driving pulse is divided into a predetermined number of subpulses, and an idle period during which a voltage is not applied intervenes between the respective divided subpulses.

    Abstract translation: 一种用于驱动电泳显示器（EPD）的方法和装置，其中该装置包括用于控制用于驱动EPD的装置的总体操作的控制器，确定要在EPD上显示的数据并输出驱动信号; 用于产生用于移动黑色颗粒和白色颗粒的驱动电压脉冲的驱动器，以根据从控制器输出的驱动信号在EPD上显示数据，从而控制EPD; 以及EPD，用于根据驱动电压脉冲显示白色或黑色数据的表示，其中驱动器产生驱动电压脉冲，以使驱动脉冲被分成 预定数量的子脉冲，以及不施加电压的空闲时段介入各分割子脉冲之间。

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