公开(公告)号：US08853633B2

公开(公告)日：2014-10-07

申请号：US13309583

申请日：2011-12-02

Applicant: Sang-Pil Han ,  Kyung Hyun Park ,  Hyunsung Ko ,  Namje Kim ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem

Inventor： Sang-Pil Han ,  Kyung Hyun Park ,  Hyunsung Ko ,  Namje Kim ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem

IPC: G01J5/02 ,  G01J3/42

CPC classification number: G01J3/42

Abstract: Provided are a THz-wave generation/detection module and a device including the same, which increase heating efficiency and are miniaturized. The module includes a photomixer chip, a lens, a PCB, and a package. The photomixer chip includes an active layer, an antenna, and a plurality of electrode pads. The lens is disposed on the photomixer chip. The PCB includes a plurality of solder balls connected to the electrode pads, under the photomixer chip. The package surrounds a bottom and side of the PCB, and dissipates heating of the active layer, which is transferred from the electrode pad of the photomixer chip to the PCB, to outside.

Abstract translation: 提供了一种太赫兹波发生/检测模块和包括该太赫兹波发生/检测模块的装置，其提高了加热效率并且小型化。 该模块包括光混合器芯片，透镜，PCB和封装。 光敏混合器芯片包括有源层，天线和多个电极焊盘。 透镜设置在光敏混合器芯片上。 印刷电路板包括连接到电极焊盘的多个焊球，位于光敏混合器芯片下面。 该封装围绕PCB的底部和侧面，并且散发从光敏混合器芯片的电极焊盘传递到PCB的有源层的加热到外部。

公开(公告)号：US08838798B2

公开(公告)日：2014-09-16

申请号：US13289343

申请日：2011-11-04

Applicant: Dong-Hun Lee ,  Hyunduk Kang

Inventor： Dong-Hun Lee ,  Hyunduk Kang

IPC: G06F15/173 ,  H04L5/26 ,  H04J3/16 ,  H04W72/04

CPC classification number: H04W72/0453

Abstract: Disclosed is a system for managing resources in a communication system including a plurality of systems not having permission a first frequency band, including: a coexistence manager managing the plurality of systems for coexistence and frequency sharing of the plurality of systems in available frequency bands when the available frequency bands by the plurality of systems are searched in the first frequency band; a coexistence enabler transmitting and receiving information of the plurality of systems and information of the coexistence manager; and a coexistence discovery and information server (CDIS) supporting a control of the coexistence manager for the plurality of systems.

Abstract translation: 公开了一种用于管理通信系统中的资源的系统，该系统包括不具有第一频带许可的多个系统，包括：共存管理器，用于管理多个系统以便在可用频带中共存和频率共享多个系统 在第一频带中搜索多个系统的可用频带; 共存使能器发送和接收多个系统的信息和共存管理器的信息; 以及支持多个系统的共存管理器的控制的共存发现和信息服务器（CDIS）。

公开(公告)号：US08525433B2

公开(公告)日：2013-09-03

申请号：US12825635

申请日：2010-06-29

Applicant: Dong-Hun Lee ,  Kyung-Goo Lee ,  Hong-Gyu Han ,  Jung-Won Kim ,  Dong-Hee Kim

Inventor： Dong-Hun Lee ,  Kyung-Goo Lee ,  Hong-Gyu Han ,  Jung-Won Kim ,  Dong-Hee Kim

IPC: H05B37/02

CPC classification number: H05B33/0815 ,  H05B33/0827 ,  Y02B20/347

Abstract: An LED light emitting device and a method of driving the same are provided, and technology that can uniformly sustain the magnitude of a channel current flowing to a plurality of LED channels is disclosed. The LED light emitting device includes: a plurality of LED channels that are formed with a plurality of LED elements that are continuously connected in series; and a constant current source that controls each channel current flowing to the plurality of LED channels according to a predetermined channel reference current to be a predetermined setting channel current, wherein the constant current source includes a plurality of operating amplifiers that control the magnitude of each of the channel currents, and a feedback voltage generating according to a predetermined offset reference current is input to a second input terminal of an operating amplifier for an offset setting period that sets an offset voltage of the plurality of operating amplifiers, a reference voltage generating according to a channel reference current is input to a first input terminal of the operating amplifier, and an offset voltage of each of the plurality of operating amplifiers is set so that an actual channel current may be identical to a predetermined setting channel current.

Abstract translation: 提供了一种LED发光器件及其驱动方法，并且公开了能够均匀地维持流向多个LED通道的沟道电流的大小的技术。 LED发光装置包括：多个LED通道，其形成有连续串联连接的多个LED元件; 以及恒定电流源，其根据预定的通道参考电流来控制流向所述多个LED通道的每个通道电流为预定设定通道电流，其中所述恒流源包括多个运算放大器，所述多个运算放大器控制每个 根据预定的偏移参考电流产生的通道电流和反馈电压被输入到运算放大器的第二输入端，用于设置多个运算放大器的偏移电压的偏移设置周期，根据 通道参考电流被输入到运算放大器的第一输入端，并且设置多个运算放大器中的每一个的偏移电压，使得实际的通道电流可以与预定的设定通道电流相同。

公开(公告)号：US20130148975A1

公开(公告)日：2013-06-13

申请号：US13585537

申请日：2012-08-14

Applicant: Oh Kee KWON ,  Young-Tak Han ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem ,  Jang Uk Shin ,  Sang Ho Park ,  Yun C. Chung ,  Yongsoon Baek

Inventor： Oh Kee KWON ,  Young-Tak Han ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem ,  Jang Uk Shin ,  Sang Ho Park ,  Yun C. Chung ,  Yongsoon Baek

IPC: H04B10/14

CPC classification number: H04B10/506 ,  H04B10/2575

Abstract: Provided is a multichannel transmitter optical module which includes a plurality of light source units configured to generate light, a plurality of an electro-absorption modulators (EAMs) configured to modulate the generated light to an optical signal through a radio frequency (RF) signal, a plurality of RF transmission lines configured to apply the RF signal to the EAMs, and a combiner configured to combine the modulated optical signal. The RF transmission lines are connected to the EAMs in a traveling wave (TW) electrode manner. The multichannel transmitter optical module has alleviated crosstalk and is compactly integrated to have a small size.

Abstract translation: 提供了一种多通道发射器光学模块，其包括被配置为产生光的多个光源单元，多个电吸收调制器（EAM），其被配置为通过射频（RF）信号将生成的光调制到光信号， 配置为将RF信号施加到EAM的多个RF传输线，以及被配置为组合调制的光信号的组合器。 RF传输线以行波（TW）电极的方式连接到EAM。 多通道发射机光模块减轻了串扰并且紧凑地集成以具有小尺寸。

公开(公告)号：US20130003771A1

公开(公告)日：2013-01-03

申请号：US13482247

申请日：2012-05-29

Applicant: Oh Kee KWON ,  Young Ahn Leem ,  Dong-Hun Lee ,  Chul-Wook Lee ,  Yongsoon Baek ,  Yun C. Chung

Inventor： Oh Kee KWON ,  Young Ahn Leem ,  Dong-Hun Lee ,  Chul-Wook Lee ,  Yongsoon Baek ,  Yun C. Chung

IPC: H01S5/187 ,  H01L21/02

CPC classification number: H01S5/124 ,  H01S5/1003 ,  H01S5/2077 ,  H01S2301/163

Abstract: Provided are a distributed feedback laser diode and a manufacturing method thereof. The distributed feedback laser diode includes a first area having a first grating layer disposed in a longitudinal direction, a second area disposed adjacent to the first area and having a second grating layer disposed in the longitudinal direction, and an active layer disposed over the first and second areas. Coupling coefficients of the first and second grating layers are made different in the first and second areas by a selective area growth method. The distributed feedback laser diode includes grating layers each having an asymmetric coefficient and is implemented within an optimal range capable of obtaining both a high front facet output and stable single mode characteristics. Thus, high manufacturing yield and low manufacturing cost can be achieved.

Abstract translation: 提供一种分布式反馈激光二极管及其制造方法。 分布式反馈激光二极管包括具有沿纵向设置的第一光栅层的第一区域，与第一区域相邻设置的第二区域，并且具有沿纵向方向设置的第二光栅层，以及有源层，设置在第一和 第二区。 第一和第二光栅层的耦合系数通过选择性区域生长方法在第一和第二区域中不同。 分布式反馈激光二极管包括各自具有不对称系数的光栅层，并且实现在能够获得高前端面输出和稳定单模特性的最佳范围内。 因此，可以实现高制造成品率和低制造成本。

公开(公告)号：US20120153161A1

公开(公告)日：2012-06-21

申请号：US13309583

申请日：2011-12-02

Applicant: Sang-Pil Han ,  Kyung Hyun Park ,  Hyunsung Ko ,  Namje Kim ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem

Inventor： Sang-Pil Han ,  Kyung Hyun Park ,  Hyunsung Ko ,  Namje Kim ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem

IPC: G01J5/08 ,  B01J19/12

CPC classification number: G01J3/42

Abstract: Provided are a THz-wave generation/detection module and a device including the same, which increase heating efficiency and are miniaturized. The module includes a photomixer chip, a lens, a PCB, and a package. The photomixer chip includes an active layer, an antenna, and a plurality of electrode pads. The lens is disposed on the photomixer chip. The PCB includes a plurality of solder balls connected to the electrode pads, under the photomixer chip. The package surrounds a bottom and side of the PCB, and dissipates heating of the active layer, which is transferred from the electrode pad of the photomixer chip to the PCB, to outside.

Abstract translation: 提供了一种太赫兹波发生/检测模块和包括该太赫兹波发生/检测模块的装置，其提高了加热效率并且小型化。 该模块包括光混合器芯片，透镜，PCB和封装。 光敏混合器芯片包括有源层，天线和多个电极焊盘。 透镜设置在光敏混合器芯片上。 印刷电路板包括连接到电极焊盘的多个焊球，位于光敏混合器芯片下面。 该封装围绕PCB的底部和侧面，并且散发从光敏混合器芯片的电极焊盘传递到PCB的有源层的加热到外部。

公开(公告)号：US20120087004A1

公开(公告)日：2012-04-12

申请号：US13019299

申请日：2011-02-01

Applicant: Oh-Kee KWON ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem ,  Young-Tak Han ,  Yongsoon Baek

Inventor： Oh-Kee KWON ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem ,  Young-Tak Han ,  Yongsoon Baek

IPC: G02F1/365

CPC classification number: G02F1/2257 ,  G02F2001/01741 ,  G02F2001/01758 ,  G02F2203/56 ,  H01S5/0085 ,  H01S5/02248

Abstract: Provided is an optical comb generator including a light source, a first waveguide region, a modulation region, and a second waveguide region. The light source is configured to output single-mode light. The first waveguide region divides an output of the light source into first light and second light. The modulation region includes a first modulator and a second modulator modulating the first light and the second light respectively. The second waveguide region combines outputs of the first modulator and the second modulator to output an optical comb. Here, the first modulator and the second modulator respectively include a first quantum well and a second quantum well having an asymmetric structure with respect to each other. The light source, the first waveguide region, the modulation region, and the second waveguide region are integrated into one substrate.

Abstract translation: 提供一种包括光源，第一波导区域，调制区域和第二波导区域的光梳发生器。 光源配置为输出单模光。 第一波导区域将光源的输出分成第一光和第二光。 调制区域包括分别调制第一光和第二光的第一调制器和第二调制器。 第二波导区域组合第一调制器和第二调制器的输出以输出光梳。 这里，第一调制器和第二调制器分别包括相对于彼此具有不对称结构的第一量子阱和第二量子阱。 光源，第一波导区域，调制区域和第二波导区域被集成到一个基板中。

公开(公告)号：US20110227136A1

公开(公告)日：2011-09-22

申请号：US12728488

申请日：2010-03-22

Applicant: Jae-Eun Park ,  Weipeng Li ,  Deleep R. Nair ,  M. Dean Sciacca ,  Voon-Yew Thean ,  Ava Wan ,  Dong-Hun Lee ,  Yong-Meng Lee

Inventor： Jae-Eun Park ,  Weipeng Li ,  Deleep R. Nair ,  M. Dean Sciacca ,  Voon-Yew Thean ,  Ava Wan ,  Dong-Hun Lee ,  Yong-Meng Lee

IPC: H01L29/78 ,  H01L21/336

CPC classification number: H01L29/7833 ,  H01L21/28518 ,  H01L21/76895 ,  H01L29/665 ,  H01L29/6659

Abstract: The present disclosure provides a method of forming an electrical device. The method may begin with forming a gate structure on a substrate, in which a spacer is present in direct contact with a sidewall of the gate structure. A source region and a drain region is formed in the substrate. A metal semiconductor alloy is formed on the gate structure, an outer sidewall of the spacer and one of the source region and the drain region. An interlevel dielectric layer is formed over the metal semiconductor alloy. A via is formed through the interlevel dielectric stopping on the metal semiconductor alloy. An interconnect is formed to the metal semiconductor alloy in the via. The present disclosure also includes the structure produced by the method described above.

Abstract translation: 本公开提供了形成电气装置的方法。 该方法可以从衬底上形成栅极结构开始，其中间隔物直接与栅极结构的侧壁接触。 源极区和漏极区形成在衬底中。 在栅极结构上形成金属半导体合金，间隔物的外侧壁和源极区域和漏极区域中的一个。 在金属半导体合金上形成层间电介质层。 通过金属半导体合金上的层间电介质停止形成通孔。 在通孔中的金属半导体合金形成互连。 本公开还包括通过上述方法制造的结构。

公开(公告)号：US20110002583A1

公开(公告)日：2011-01-06

申请号：US12764786

申请日：2010-04-21

Applicant: Oh-Kee Kwon ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Jong-Hoi Kim ,  Eundeok Sim ,  Yongsoon Baek

Inventor： Oh-Kee Kwon ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Jong-Hoi Kim ,  Eundeok Sim ,  Yongsoon Baek

IPC: G02B6/28 ,  G02B6/34

CPC classification number: G02B6/12014 ,  G02B6/12009 ,  G02B6/29308 ,  G02B6/2931

Abstract: Provided is an optical device. The optical device includes a multiplexer/demultiplexer, a multimode interference (MMI) coupler, a first waveguide, and second waveguides. The multiplexer/demultiplexer splits optical signals having a plurality of channels and received through a first port according to their wavelength to provide the split optical signals to second ports, or providing input optical signals having wavelengths difference from each other and received through the second ports to the first port. The multimode interference (MMI) coupler is connected to the first port. The first waveguide is connected to the MMI coupler. The second waveguides are connected to the second ports. The MMI coupler has a width decreasing toward the multiplexer/demultiplexer.

Abstract translation: 提供了一种光学装置。 光学装置包括多路复用器/解复用器，多模干涉（MMI）耦合器，第一波导和第二波导。 多路复用器/解复用器根据其波长分离具有多个信道并通过第一端口接收的光信号，以将分离的光信号提供给第二端口，或提供具有彼此不同的波长并通过第二端口接收的输入光信号 第一个港口。 多模干扰（MMI）耦合器连接到第一个端口。 第一个波导连接到MMI耦合器。 第二波导连接到第二端口。 MMI耦合器的宽度朝向多路复用器/解复用器递减。

公开(公告)号：US20090224692A1

公开(公告)日：2009-09-10

申请号：US12398030

申请日：2009-03-04

Applicant: Dong-Hun Lee ,  Jae-Soon Choi

Inventor： Dong-Hun Lee ,  Jae-Soon Choi

IPC: H05B37/02

CPC classification number: H05B41/2825

Abstract: An inverter driver controls an inverter that supplies driving voltages to a plurality of discharge lamps. The inverter driver includes a first amplifier having an output terminal, a second amplifier having an output terminal connected to the output terminal of the first amplifier, and a capacitor connected between the output terminal and a ground source. The first amplifier outputs only a negative current corresponding to the maximum value among the driving voltages supplied to the plurality of discharge lamps, and the second amplifier outputs a current corresponding to the maximum value among the driving currents flowing through the plurality of discharge lamps. Such inverter driver controls the inverter according to a voltage of the capacitor.

Abstract translation: 逆变器驱动器控制向多个放电灯提供驱动电压的逆变器。 逆变器驱动器包括具有输出端的第一放大器，具有连接到第一放大器的输出端的输出端的第二放大器和连接在输出端和地源之间的电容器。 第一放大器仅输出与提供给多个放电灯的驱动电压中的最大值对应的负电流，并且第二放大器输出对应于流过多个放电灯的驱动电流中的最大值的电流。 这种逆变器驱动器根据电容器的电压来控制逆变器。