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    • 3. 发明申请
    • PHOTONIC CRYSTAL LIGHT EMITTING DEVICE
    • 光电晶体发光器件
    • US20090032800A1
    • 2009-02-05
    • US12182509
    • 2008-07-30
    • Dong Yul LeeSeong Ju ParkMin Ki KwonJa Yeon KimDong Joon KimYong Chun KimJe Won Kim
    • Dong Yul LeeSeong Ju ParkMin Ki KwonJa Yeon KimDong Joon KimYong Chun KimJe Won Kim
    • H01L33/00
    • H01L33/08H01L33/44H01L2933/0083
    • There is provided a photonic crystal light emitting device including: a substrate; a plurality of nano rod light emitting structures formed on the substrate to be spaced apart from one another, each of the nano rod light emitting structures including a first conductivity type semiconductor layer, an active layer and a second conductivity type semiconductor layer; and first and second electrodes electrically connected to the first and second conductivity type semiconductor layers, respectively, wherein the nano rod light emitting structures are arranged with a predetermined size and period so as to form a photonic band gap for light emitted from the active layer, whereby the nano rod light emitting structures define a photonic crystal structure. In the photonic crystal light emitting device, the nano rod light emitting structures are arranged to define a photonic crystal to enhance light extraction efficiency.
    • 提供了一种光子晶体发光器件,包括:衬底; 形成在所述基板上彼此间隔开的多个纳米棒状发光结构,所述纳米棒状发光结构包括第一导电型半导体层,有源层和第二导电型半导体层; 以及分别与第一和第二导电类型半导体层电连接的第一和第二电极,其中纳米棒发光结构以预定的尺寸和周期排列,以形成从有源层发射的光的光子带隙, 由此纳米棒发光结构限定了光子晶体结构。 在光子晶体发光器件中,纳米棒发光结构被布置成限定光子晶体以增强光提取效率。
    • 5. 发明申请
    • AMBIENT LIGHT PROCESSING SYSTEM FOR CONTROLLING DISPLAY DEVICE BY SENSING AMBIENT LIGHT AND METHOD USING THE SYSTEM
    • 通过感光环境控制显示装置的环境光处理系统和使用该系统的方法
    • US20080054159A1
    • 2008-03-06
    • US11745551
    • 2007-05-08
    • Jae-suk YuDong-yul Lee
    • Jae-suk YuDong-yul Lee
    • G01J1/32
    • G01J1/32G01J1/4204G01J1/44G09G3/3406G09G2320/0633G09G2360/144
    • An ambient light processing system for controlling a display device by sensing ambient light and a method using the system. The ambient light processing system includes a photo-detector, an amplification unit an analog-to-digital converter and a controller. The photo-detector outputs a sensed signal corresponding to the luminous intensity of the ambient light. The amplification unit amplifies the sensed signal with a high amplification factor to output a first amplified signal and amplifies the sensed signal with a low amplification factor to output a second amplified signal. The analog-to-digital converter respectively converts the first amplified signal and the second amplified signal into a first digital signal and a second digital signal. The controller outputs a first control signal and a second control signal for controlling the display device in response to the first digital signal and the second digital signal.
    • 用于通过感测环境光来控制显示装置的环境光处理系统和使用该系统的方法。 环境光处理系统包括光电检测器,放大单元以及模拟 - 数字转换器和控制器。 光检测器输出对应于环境光的发光强度的感测信号。 放大单元以高放大系数放大感测信号,以输出第一放大信号并以低放大因数放大感测信号以输出第二放大信号。 模数转换器分别将第一放大信号和第二放大信号转换为第一数字信号和第二数字信号。 控制器响应于第一数字信号和第二数字信号输出用于控制显示装置的第一控制信号和第二控制信号。
    • 6. 发明授权
    • Method for detecting leading edge of print medium
    • 检测打印介质前端的方法
    • US6144886A
    • 2000-11-07
    • US109406
    • 1998-07-02
    • Dong-Yul Lee
    • Dong-Yul Lee
    • H04N1/00H04N1/04
    • H04N1/00702H04N1/00681H04N1/00745H04N1/00769H04N1/00779
    • A method for detecting the leading edge of a sheet of print medium by driving a line feed motor at a predetermined speed; scanning and storing a data block of the sheet by slices; determining the leading edge of the sheet, based on the scanned and stored data; calculating sheet position according to the edge determination, and calculating a drive value of the line feed motor according to the sheet position; and second driving the line feed motor according to the calculated drive value. The data of the scanned data block is stored such that a scanning level of pixel data for a given horizontal line is regularly stored in an address memory, and the determining step searches for a boundary on which both near-absolute black and near-absolute white pixel data values are indicated in the scanning and storing step.
    • 一种用于通过以预定速度驱动换行电机来检测一张打印介质的前缘的方法; 扫描并存储片材的数据块; 基于扫描和存储的数据确定纸张的前缘; 根据边缘确定计算纸张位置,并根据纸张位置计算换行电动机的驱动值; 并根据计算的驱动值第二次驱动换行电动机。 存储扫描数据块的数据,使得给定水平行的像素数据的扫描级别被规律地存储在地址存储器中,并且确定步骤搜索其上接近绝对黑色和近绝对白色 在扫描和存储步骤中指示像素数据值。
    • 8. 发明申请
    • SYSTEM AND METHOD FOR PROVIDING AUTOMATIC UPDATE
    • 提供自动更新的系统和方法
    • US20110264627A1
    • 2011-10-27
    • US13091260
    • 2011-04-21
    • Dong-Yul LEEHak-Sung LYOU
    • Dong-Yul LEEHak-Sung LYOU
    • G06F17/30
    • G06F8/65
    • A system for providing an automatic update includes: a server for real-time managing an original object to which an original identifier is allocated, writing a revision of the original object by a Data Definition Language (DDL), allocating an identifier different from the original identifier to the revision of the original object, transmitting the identifier of the revision of the original object to a client if a request for an identifier of a predetermined object corresponding to the original object is received from the client, and providing the revision of the original object to the client through synchronization with the predetermined object in the client; and the client for requesting the server for the identifier of the predetermined object, checking an increase in the transmitted identifier by comparing the transmitted identifier with the identifier of the predetermined object in the client, and updating the predetermined object corresponding to the transmitted identifier through synchronization with the server according to a result of the comparison based on the revision of the original object corresponding to the transmitted identifier.
    • 用于提供自动更新的系统包括:用于实时管理分配了原始标识符的原始对象的服务器,通过数据定义语言(DDL)写入原始对象的修订,分配与原始标识符不同的标识符 标识符到原始对象的修订,如果从客户端接收到对应于原始对象的预定对象的标识符的请求,则将原始对象的修订版本的标识符发送给客户端,并且提供原始对象的修订版本 通过与客户端中的预定对象同步来对客户端; 以及用于请求服务器用于预定对象的标识符的客户端,通过将发送的标识符与客户端中的预定对象的标识符进行比较来检查发送的标识符的增加,并且通过同步来更新与发送的标识符相对应的预定对象 根据与所发送的标识符对应的原始对象的修订,根据比较结果的服务器。