公开(公告)号：US08471832B2

公开(公告)日：2013-06-25

申请号：US11825425

申请日：2007-07-06

Applicant: Joo-Hoon Lee

Inventor： Joo-Hoon Lee

IPC: G06F3/042

CPC classification number: G06F3/0202 ,  H01H13/83 ,  H01H2219/044 ,  H01H2219/062 ,  H01H2219/064

Abstract: A keypad assembly having a light leakage prevention structure includes a switch board having at least one switch; a light guide panel mounted on the switch board, light propagating inside the light guide panel; and a first light blocking member stacked on a lateral surface of the light guide panel, the first light blocking member extending to the switch board and reflecting or absorbing incident light.

Abstract translation: 具有防漏光结构的键盘组件包括具有至少一个开关的开关板; 安装在开关板上的导光板，在导光板内传播的光; 以及第一遮光构件，其在所述导光板的侧面上堆叠，所述第一遮光构件延伸到所述开关板并反射或吸收入射光。

公开(公告)号：US08052314B2

公开(公告)日：2011-11-08

申请号：US12473856

申请日：2009-05-28

Applicant: Sun-Tae Jung ,  Joo-Hoon Lee

Inventor： Sun-Tae Jung ,  Joo-Hoon Lee

IPC: F21V7/04

CPC classification number: G02B6/0006 ,  G02B6/001 ,  G02B6/4204 ,  G02B6/4249 ,  G02B6/4298

Abstract: Disclosed is an optical fiber illumination device including a light source for outputting light; a coupler for converging the light input from the light source through multiple reflection; and an optical fiber to which the converged light is input.

Abstract translation: 公开了一种包括用于输出光的光源的光纤照明装置; 用于通过多次反射会聚从光源输入的光的耦合器; 以及输入会聚光的光纤。

公开(公告)号：US20110193874A1

公开(公告)日：2011-08-11

申请号：US13022127

申请日：2011-02-07

Applicant: Sun-Tae JUNG ,  Sung-Soo Park ,  Yu-Sheop Lee ,  Joo-Hoon Lee

Inventor： Sun-Tae JUNG ,  Sung-Soo Park ,  Yu-Sheop Lee ,  Joo-Hoon Lee

IPC: G09G5/02

CPC classification number: G06F3/0202 ,  G09G3/045 ,  H01H13/83 ,  H01H2219/0023

Abstract: A color electronic paper keypad device is provided that includes an electronic paper sheet having a plurality of electrode patterns. One or more of the plurality of electrode patterns displays a color depending on whether an electric field is applied. The device also includes a color display disposed over the electronic paper sheet. The color display changes the displayed color depending on whether a second electric field is applied. An illumination light reflects from or transmits through the color display to change the displayed color of the one or more electrode patterns. The device further includes a front light unit for illuminating said color display.

Abstract translation: 提供一种彩色电子纸键盘装置，其包括具有多个电极图案的电子纸片。 多个电极图案中的一个或多个根据是否施加电场来显示颜色。 该设备还包括布置在电子纸片上的彩色显示器。 颜色显示根据是否施加第二电场而改变显示的颜色。 照明光从彩色显示器反射或透过彩色显示器，以改变一个或多个电极图案的显示颜色。 该装置还包括用于照亮所述彩色显示器的前灯单元。

公开(公告)号：US20110157136A1

公开(公告)日：2011-06-30

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: G09G5/00

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。

公开(公告)号：US20110149573A1

公开(公告)日：2011-06-23

申请号：US13038521

申请日：2011-03-02

Applicant: Joo-Hoon LEE ,  Gwan-Hyung KIM

Inventor： Joo-Hoon LEE ,  Gwan-Hyung KIM

IPC: F21V33/00 ,  F21V8/00

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

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

Abstract translation: 公开了一种导光构件和包括该导光构件的键盘组件。 导光构件包括用于引导在内部传播的光的导光板和沿与导光板内部耦合的光的引导方向垂直的方向形成的至少一个凹部，使得由导光板 被反射到导光板。 键盘组件包括具有至少一个键按钮和固定按键的弹性片的小键盘，位于小键盘下方的导光构件，该导光构件具有用于引导耦合到内部的光的导光板和至少一个 用于将由导光板引导的光反射到导光板的凹部，以及位于导光构件下方的开关垫，以便当按下按钮时建立电接触。

公开(公告)号：US07936499B2

公开(公告)日：2011-05-03

申请号：US12683733

申请日：2010-01-07

Applicant: Gwan-Hyung Kim ,  Joo-Hoon Lee ,  Sun-Tae Jung ,  Se-Jin Kim

Inventor： Gwan-Hyung Kim ,  Joo-Hoon Lee ,  Sun-Tae Jung ,  Se-Jin Kim

IPC: G02B26/00 ,  G09G3/34

CPC classification number: G09G3/344 ,  G09G5/37 ,  G09G2310/0205 ,  G09G2310/0213 ,  G09G2320/0252 ,  G09G2320/0261 ,  G09G2380/02

Abstract: A method and apparatus for driving an ElectroPhoretic Display (EPD) are provided, in which upon sensing a request for displaying data in a gradual graphic representation scheme, a plurality of segments for displaying the data are determined, a display changing order of the segments is determined, an inter-segment time interval is calculated, driving voltage pulses are applied to a first segment according to the display changing order, and driving voltage pulses are applied to each of the other segments at the inter-segment time interval after driving voltage pulses are applied to a previous segment according to the display changing order.

Abstract translation: 提供了一种用于驱动电泳显示（EPD）的方法和装置，其中，在以逐渐图形表示方案感测到显示数据的请求时，确定用于显示数据的多个段，段的显示改变顺序是 确定时，计算出段间时间间隔，根据显示改变顺序将驱动电压脉冲施加到第一段，并且在驱动电压脉冲之后以段间时间间隔向每个其它段施加驱动电压脉冲 根据显示改变顺序应用于前一片段。

公开(公告)号：US20100156796A1

公开(公告)日：2010-06-24

申请号：US12644582

申请日：2009-12-22

Applicant: Se-Jin KIM ,  Joo-Hoon Lee ,  Sun-Tae Jung ,  Gwan-Hyung Kim

Inventor： Se-Jin KIM ,  Joo-Hoon Lee ,  Sun-Tae Jung ,  Gwan-Hyung Kim

IPC: G06F3/02

CPC classification number: G06F1/1662 ,  G06F1/1616 ,  G06F1/1624 ,  G06F2200/1614 ,  H04M1/0222 ,  H04M1/0239 ,  H04M1/0243 ,  H04M1/23 ,  H04M2250/18

Abstract: Provided are an adaptive keypad device for a portable terminal and a method for controlling the adaptive keypad device. The adaptive keypad device includes a display screen being opened from or slid on a keypad by a user in at least two directions, an adaptive keypad on which letters or numbers are re-oriented and displayed in the same direction as a direction in which the display screen is opened or slid, a display element disposed on a side surface of the adaptive keypad, and a controller being connected to the display element to control a display state of the display element according to the direction of the opening or sliding of the display screen.

Abstract translation: 提供了一种用于便携式终端的自适应键盘装置和用于控制自适应键盘装置的方法。 自适应键盘装置包括用户在至少两个方向上从小键盘打开或滑动的显示屏幕，自适应键盘，字母或数字在其上以与显示器的方向相同的方向重新定向和显示 屏幕被打开或滑动，设置在自适应键盘的侧表面上的显示元件和连接到显示元件的控制器，以根据显示屏幕的打开或滑动的方向来控制显示元件的显示状态 。

公开(公告)号：US20100027287A1

公开(公告)日：2010-02-04

申请号：US12473856

申请日：2009-05-28

Applicant: Sun-Tae Jung ,  Joo-Hoon Lee

Inventor： Sun-Tae Jung ,  Joo-Hoon Lee

IPC: F21V8/00

CPC classification number: G02B6/0006 ,  G02B6/001 ,  G02B6/4204 ,  G02B6/4249 ,  G02B6/4298

Abstract: Disclosed is an optical fiber illumination device including a light source for outputting light; a coupler for converging the light input from the light source through multiple reflection; and an optical fiber to which the converged light is input.

Abstract translation: 公开了一种包括用于输出光的光源的光纤照明装置; 用于通过多次反射会聚从光源输入的光的耦合器; 以及输入会聚光的光纤。

公开(公告)号：US07462794B2

公开(公告)日：2008-12-09

申请号：US11820459

申请日：2007-06-18

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

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

IPC: H01H9/00

CPC classification number: H01H13/83 ,  H01H2209/074 ,  H01H2209/082 ,  H01H2215/01 ,  H01H2219/044 ,  H01H2219/056 ,  H01H2219/06 ,  H01H2219/062 ,  H01H2221/002 ,  H01H2221/07

Abstract: A keypad includes a light guide panel, the interior of which light propagates through; at least one key button positioned on the upper surface of the light guide panel; and at least one reflective pattern fixedly positioned with respect to the light guide panel to reflect a part of the light, which propagates through the interior of the light guide panel, towards the key button.

公开(公告)号：US07446274B2

公开(公告)日：2008-11-04

申请号：US11772362

申请日：2007-07-02

Applicant: Jae-young Choi ,  Joo-hoon Lee ,  Hyeon-jin Shin

Inventor： Jae-young Choi ,  Joo-hoon Lee ,  Hyeon-jin Shin

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 of electronic equipment includes a plurality of light emitting units, a light guide plate guiding light emitted from the light emitting units, a plurality of key buttons formed on a top surface of the light guide plate and including numeral and character key plates, a plurality of reflection patterns formed on the light guide plate and reflecting light toward the key buttons, a plurality of protrusions formed under the reflection patterns, a switch substrate including a plurality of switches corresponding to the protrusions, a first optical filter layer formed under the numeral key plates and converting the light emitted from the light emitting units into light of various colors according to wavelengths of the light emitted from the light emitting units, and a second optical filter layer formed under the character key plates and blocking violet wavelength light and transmit light having other wavelengths.

Abstract translation: 电子设备的键盘组件包括多个发光单元，引导从发光单元发射的光的导光板，形成在导光板的顶表面上并包括数字和字符键盘的多个键按钮， 多个反射图案，形成在导光板上，并将光向键按钮反射，形成在反射图案下面的多个突起;开关基板，包括对应于突起的多个开关;第一滤光层， 数字键盘，根据从发光单元发射的光的波长，将从发光单元发出的光转换成各种颜色的光;以及形成在字符键板下面并阻挡紫色波长的光并传输 具有其他波长的光。