公开(公告)号：US06992816B2

公开(公告)日：2006-01-31

申请号：US10729088

申请日：2003-12-04

Applicant: Hee Sang Chung ,  Won Kyoung Lee ,  Sun Hyok Chang ,  Hyun Jae Lee ,  Moo Jung Chu ,  Han Hyub Lee ,  Dong Han Lee ,  Yong Bae Lee

Inventor： Hee Sang Chung ,  Won Kyoung Lee ,  Sun Hyok Chang ,  Hyun Jae Lee ,  Moo Jung Chu ,  Han Hyub Lee ,  Dong Han Lee ,  Yong Bae Lee

IPC: H01S3/00

CPC classification number: H01S3/06758 ,  H01S3/1301 ,  H01S3/302 ,  H01S2301/04

Abstract: The present invention provides an apparatus and method for compensating for the variation of a gain spectrum attributable to the temperature variation of a fiber amplifier, and a long-wavelength band dispersion-compensating hybrid amplifier equipped with the gain spectrum compensating apparatus. The apparatus includes a DCF located between a first amplification stage and a second amplification stage to compensate for dispersion of an optical signal output from the first amplification stage and perform Raman amplification of the optical signal using input pumping light; at least one pumping light provision means for providing forward or backward pumping light to the DCF; first and second temperature detection means for detecting temperature variations of the first and second amplification stages, respectively; and control means for controlling intensity of the pumping light of the pumping light provision means according to the detected temperature variations.

Abstract translation: 本发明提供一种用于补偿归因于光纤放大器的温度变化的增益谱的变化的装置和方法，以及配备有增益谱补偿装置的长波长带色散补偿混合放大器。 该装置包括位于第一放大级和第二放大级之间的DCF，以补偿从第一放大级输出的光信号的色散，并使用输入泵浦光执行光信号的拉曼放大; 至少一个泵送光提供装置，用于向DCF提供向前或向后的泵浦光; 第一和第二温度检测装置，用于分别检测第一和第二放大级的温度变化; 以及用于根据检测到的温度变化来控制泵送光提供装置的泵浦光的强度的控制装置。

公开(公告)号：US06888670B2

公开(公告)日：2005-05-03

申请号：US10364635

申请日：2003-02-11

Applicant: Wang-yuhl Oh ,  Seung-il Myong ,  Hyun-jae Lee

Inventor： Wang-yuhl Oh ,  Seung-il Myong ,  Hyun-jae Lee

IPC: G02B6/00 ,  H01S3/00 ,  H01S3/067 ,  H01S3/094 ,  H01S3/16 ,  H01S3/23 ,  H01S3/30

CPC classification number: H01S3/302 ,  H01S3/06725 ,  H01S3/06758 ,  H01S3/094011 ,  H01S3/094096 ,  H01S3/1608 ,  H01S3/2375 ,  H01S2301/04

Abstract: A low-noise optical fiber amplifier for performing a long-distance optical transmission in a wavelength division multiplexing optical transmission apparatus is provided. This amplifier includes a first optical fiber amplifier having a pre-stage optical fiber, and a first coupler for supplying pump light to the pre-stage optical fiber; a dispersion compensating Raman amplifier (DCRA) connected to the first optical fiber amplifier and having a dispersion compensating optical fiber (DCF) that compensates for the dispersion accumulated in an optical line and generates a Raman gain, and a second coupler for supplying Raman pump light onto the DCF; and a second optical fiber amplifier connected to the DCRA, and including a post-stage optical fiber and a third coupler for supplying pump light onto the post-stage optical fiber. Accordingly, this optical fiber amplifier is used for terrestrial WDM optical transmission, and thus has remarkably low noise figure compared to the existing optical amplifiers. For this reason, the optical fiber amplifier is available in long-distance transmission, and can be used in optical networks.

Abstract translation: 提供了一种用于在波分复用光传输装置中执行长距离光传输的低噪声光纤放大器。 该放大器包括具有前级光纤的第一光纤放大器和用于向前级光纤提供泵浦光的第一耦合器; 连接到第一光纤放大器的色散补偿拉曼放大器（DCRA），并且具有补偿在光线路中累积的色散并产生拉曼增益的色散补偿光纤（DCF），以及用于提供拉曼泵浦光的第二耦合器 到DCF; 以及连接到DCRA的第二光纤放大器，并且包括用于将泵浦光提供到后级光纤上的后级光纤和第三耦合器。 因此，该光纤放大器用于地面WDM光传输，因此与现有的光放大器相比具有非常低的噪声系数。 因此，光纤放大器可用于远距离传输，可用于光网络。

公开(公告)号：US09230468B2

公开(公告)日：2016-01-05

申请号：US13429264

申请日：2012-03-23

Applicant: Jun-Ho Kwack ,  Hyun-Jae Lee

Inventor： Jun-Ho Kwack ,  Hyun-Jae Lee

IPC: G09G3/20 ,  G06F1/16 ,  G02F1/1333

CPC classification number: G09G3/20 ,  G02F1/133305 ,  G06F1/1652 ,  G09G2310/04 ,  G09G2380/02

Abstract: A display device includes: a flexible display panel including a recognition pattern; a housing for holding the flexible display panel, wherein varying amounts of a display area of the flexible display panel are exposable to the outside to display an image; and a sensor in the housing for sensing an amount of the exposed display area corresponding to the recognition pattern.

Abstract translation: 显示装置包括：包括识别图案的柔性显示面板; 用于保持柔性显示面板的壳体，其中可变量的柔性显示面板的显示区域可暴露于外部以显示图像; 以及壳体中的传感器，用于感测对应于识别图案的曝光显示区域的量。

公开(公告)号：US08878345B2

公开(公告)日：2014-11-04

申请号：US13577117

申请日：2011-02-08

Applicant: Takafumi Yao ,  Hyun-Jae Lee ,  Katsushi Fujii

Inventor： Takafumi Yao ,  Hyun-Jae Lee ,  Katsushi Fujii

IPC: H01L21/20 ,  H01L29/04 ,  H01L21/02 ,  C30B29/40 ,  C30B25/18

CPC classification number: C30B29/403 ,  C30B25/18 ,  H01L21/0242 ,  H01L21/02433 ,  H01L21/0254 ,  H01L21/0262 ,  H01L21/02658

Abstract: A structural body includes a sapphire underlying substrate; and a semiconductor layer of a group III nitride semiconductor disposed on the underlying substrate. An upper surface of the underlying substrate is a crystal surface tilted at an angle of 0.5° or larger and 4° or smaller with respect to a normal line of an a-plane which is orthogonal to an m-plane and belongs to a {11-20} plane group, from the m-plane which belongs to a {1-100} plane group.

Abstract translation: 结构体包括蓝宝石下面的基底; 以及设置在下层基板上的III族氮化物半导体的半导体层。 下面的基板的上表面是相对于与m面正交的a面的法线以0.5°以上且4°以下的角度倾斜的晶体面，属于{11 -20}平面组，从属于{1-100}平面组的m平面。

公开(公告)号：US08873138B2

公开(公告)日：2014-10-28

申请号：US13608404

申请日：2012-09-10

Applicant: Kwang Soo Kim ,  Chang Hoon Choi ,  In Ho Seo ,  Hyun Jae Lee ,  Myoung Ki Ahn ,  Byeong Hwan Jeon ,  Sung Jin Lee

Inventor： Kwang Soo Kim ,  Chang Hoon Choi ,  In Ho Seo ,  Hyun Jae Lee ,  Myoung Ki Ahn ,  Byeong Hwan Jeon ,  Sung Jin Lee

IPC: G02B21/00 ,  G02B27/14 ,  G02B7/38 ,  G02B21/24 ,  G02B27/10

CPC classification number: G02B21/245 ,  G02B7/38 ,  G02B27/106 ,  G02B27/14

Abstract: A focusing device for an optical microscope may include a light emitting unit configured to emit laser light having a specific wavelength, a wedge mirror configured to enable the emitted laser light to be incident on a plurality of locations of a surface of a specimen, first and second light receiving units configured to detect an amount of laser light reflected from the surface of the specimen, a spatial filter configured to eliminate out-of-focus light from light beams reflected from the surface of the specimen and to detect an amount of in-focus light, and a control unit configured to generate a control signal used to carry out focus adjustment of the optical microscope using a plurality of light-amount information detected by the first and second light receiving units and the spatial filter.

Abstract translation: 用于光学显微镜的聚焦装置可以包括被配置为发射具有特定波长的激光的发光单元，配置成使得发射的激光能够入射到样品表面的多个位置的楔形镜，首先和 第二光接收单元，被配置为检测从所述检体的表面反射的激光的量;空间滤波器，被配置为消除从所述样本的表面反射的光束的离焦光， 以及控制单元，被配置为使用由第一和第二光接收单元和空间滤波器检测的多个光量信息产生用于执行光学显微镜的焦点调整的控制信号。

公开(公告)号：US08867528B2

公开(公告)日：2014-10-21

申请号：US12883396

申请日：2010-09-16

Applicant: Hong Ju Kim ,  Ji Wook Youn ,  Bup Joong Kim ,  Hyun Jae Lee ,  Jae Hoon Yu

Inventor： Hong Ju Kim ,  Ji Wook Youn ,  Bup Joong Kim ,  Hyun Jae Lee ,  Jae Hoon Yu

IPC: H04L12/66

CPC classification number: H04L12/4625 ,  H04L12/66

Abstract: Provided is a packet/TDM switch that may classify a type of a received signal based on slot recognition information received from an Ethernet mapping unit or a TDM mapping unit, and may process the received signal using a dedicated switch corresponding to each of the Ethernet mapping unit and the TDM mapping unit according to the type of the received signal.

Abstract translation: 提供了一种分组/ TDM交换机，其可以基于从以太网映射单元或TDM映射单元接收的时隙识别信息对接收信号的类型进行分类，并且可以使用与每个以太网映射相对应的专用交换机来处理接收到的信号 单元和TDM映射单元根据接收信号的类型。

公开(公告)号：US08351784B2

公开(公告)日：2013-01-08

申请号：US12628983

申请日：2009-12-01

Applicant: Hong Ju Kim ,  Hyun Woo Cho ,  Ji Wook Youn ,  Hyun Jae Lee ,  Bup Joong Kim ,  Sun Me Kim ,  Byung Jun Ahn

Inventor： Hong Ju Kim ,  Hyun Woo Cho ,  Ji Wook Youn ,  Hyun Jae Lee ,  Bup Joong Kim ,  Sun Me Kim ,  Byung Jun Ahn

IPC: H04J14/00

CPC classification number: H04Q11/0005 ,  H04J14/0212 ,  H04J14/0227 ,  H04J14/0256 ,  H04L49/352 ,  H04L49/357

Abstract: A packet-optical integrated switch without an optical transponder, includes: a packet line card configured to output an Ethernet packet signal to a pre-set output port; a packet switch fabric configured to transfer the packet signal from the packet line card to the output port previously set in a destination address included in the packet signal; a 10 gigabit Ethernet (10 GbE)/optical transport unit level 2 (OTU2) integrated line card configured to convert the packet signal from the packet switch fabric into an OTU2 optical signal having a pre-set wavelength; and a wavelength selection switch fabric configured to allocate the optical signal from the 10 GbE/OTU2 integrated line card to a pre-set wavelength division multiplexing (WDM) port by pre-set wavelength to exchange the optical signal to each port by wavelength, wherein the packet line card, the packet switch fabric, the 10 GbE/OTU2 integrated line card, and the wavelength selection switch fabric perform the reverse operations of the process, respectively.

Abstract translation: 一种没有光转发器的分组光集成交换机，包括：配置成将以太网分组信号输出到预设输出端口的分组线卡; 分组交换结构，被配置为将分组信号从分组线卡传送到预先设置在分组信号中包括的目的地地址中的输出端口; 配置为将分组交换结构的分组信号转换为具有预设波长的OTU2光信号的10吉比特以太网（10GbE）/光传输单元级2（OTU2）集成线路卡; 以及波长选择交换结构，被配置为通过预定波长将来自10GbE / OTU2集成线路卡的光信号分配给预定波分复用（WDM）端口，以通过波长将光信号交换到每个端口，其中 分组线卡，分组交换结构，10GbE / OTU2集成线路卡和波长选择交换机结构分别执行该过程的反向操作。

公开(公告)号：US08223140B2

公开(公告)日：2012-07-17

申请号：US12564430

申请日：2009-09-22

Applicant: Hyun-Jae Lee

Inventor： Hyun-Jae Lee

IPC: G06F3/038 ,  G09G5/00

CPC classification number: G09G3/3233 ,  G09G2330/028

Abstract: A power supply device for an organic electroluminescent display includes an inductor charging a first power source, a power supply unit including an input terminal and output terminals, the power supply unit receiving the first power source from the inductor through the input terminal, generating second power sources of different voltage levels, and outputting the second power sources through the output terminals, and a Schottky diode between the input terminal and one of the output terminals.

Abstract translation: 用于有机电致发光显示器的电源装置包括：对第一电源充电的电感器，包括输入端子的电源单元和输出端子，所述电源单元通过输入端子从电感器接收第一电源，产生第二电力 不同电压电平的源，并通过输出端输出第二电源，以及输入端和输出端之一之间的肖特基二极管。

公开(公告)号：US07624311B2

公开(公告)日：2009-11-24

申请号：US11947349

申请日：2007-11-29

Applicant: Jong Yoon Shin ,  Hyun Jae Lee ,  Je Soo Ko

Inventor： Jong Yoon Shin ,  Hyun Jae Lee ,  Je Soo Ko

IPC: G06K5/04

CPC classification number: H04J3/1611 ,  H04L25/14

Abstract: Provided are a method and an apparatus for converting an interface between high speed data having various capacities. The apparatus includes a data transmitting part and a data receiving part. The data transmitting part generates a deskew channel having respective timing data of a plurality of data transmitted from a first communicating device, and outputs the generated deskew channel together with the plurality of data to a second communicating device. The data receiving part compares the deskew channel transmitted from the second communicating device with the plurality of data to measure skew values of the data, aligns bits and bytes of the plurality of data using the skew values, and transmits the plurality of data to the first communicating device.

Abstract translation: 提供了一种用于转换具有各种容量的高速数据之间的接口的方法和装置。 该装置包括数据发送部分和数据接收部分。 数据发送部生成具有从第一通信装置发送的多个数据的各自的定时数据的歪斜通道，并将生成的歪斜通道与多个数据一起输出到第二通信装置。 数据接收部将从第二通信装置发送的歪斜通道与多个数据进行比较，以测量数据的偏斜值，使用偏斜值对准多个数据的比特和字节，并将多个数据发送到第一个 通讯设备

公开(公告)号：US07486890B2

公开(公告)日：2009-02-03

申请号：US11289906

申请日：2005-11-29

Applicant: Hyun Jae Lee ,  Kwang Joon Kim

Inventor： Hyun Jae Lee ,  Kwang Joon Kim

IPC: H04J14/00

CPC classification number: H04J14/0227 ,  H04B10/40 ,  H04J14/0226 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0282

Abstract: Provided are an optical transmission apparatus and method using a light source for wavelength division multiplexing (WDM) optical communication that employs a Fabry-Perot laser diode (F-P LD) whose output wavelength is locked by an externally injected incoherent light, a multifiber, and a waveguide grating router. The light transmission apparatus includes: an incoherent light source (ILS) outputting incoherent light; a plurality of circulators (CIRs) connected to the ILS, receiving the incoherent light from the ILS, and outputting first optical signals; a first waveguide grating router (WGR) outputting the first optical signals output from each of the CIRs to optical fibers corresponding to each of the CIRs, and outputting second optical signals input from the optical fibers to the corresponding CIRs; a plurality of second WGRs corresponding to each of the CIRs, and demodulating the second optical signals output from each of the plurality of CIRs; and a plurality of receivers connected to the plurality of the second WGRs, and inputting the demultiplexed optical signals output from the plurality of second WGRs. A plurality of light sources for WDM optical communication whose output wavelength is locked can increase size and economical efficiency of a light transmission system (subscriber). The N×N WGR can produce a conventional light transmission system and accommodate many subscribers.

Abstract translation: 本发明提供一种使用波分复用（WDM）光通信的光源的光传输装置和方法，该光通信使用其输出波长被外部注入的非相干光锁定的法布里 - 珀罗激光二极管（FP LD），多光纤和 波导光栅路由器。 光传输装置包括：输出非相干光的非相干光源（ILS）; 连接到ILS的多个循环器（CIR），接收来自ILS的非相干光，并输出第一光信号; 将从每个CIR输出的第一光信号输出到与每个CIR对应的光纤的第一波导光栅路由器（WGR），并将从光纤输入的第二光信号输出到对应的CIR; 对应于每个CIR的多个第二WGR，并解调从多个CIR中的每一个输出的第二光信号; 以及连接到所述多个所述第二WGR的多个接收器，以及输入从所述多个第二WGR输出的解复用的光信号。 输出波长锁定的多个用于WDM光通信的光源可以增加光传输系统（用户）的尺寸和经济性。 NxN WGR可以生产传统的光传输系统，并适应许多用户。