公开(公告)号：US06671045B1

公开(公告)日：2003-12-30

申请号：US09679822

申请日：2000-10-05

Applicant: Chang Hee Lee ,  Sang Yung Shin ,  Kwang Uk Chu

Inventor： Chang Hee Lee ,  Sang Yung Shin ,  Kwang Uk Chu

IPC: G01J400

CPC classification number: H04B10/077 ,  G01J4/04 ,  H04B10/07955

Abstract: An apparatus and method for measuring optical signal-to-noise ratio in optical communications includes (1) a variable optical band-pass filter (VOBPF) that passes the amplified output beam when the beam wavelength is the same as the passing wavelength of the VOBPF; (2) a 1×4 beam distributor for distributing the passing beam of the VOBPF into four streams; (3) a measuring device for measuring Stokes parameters S0, S1, S2, S3 from the four distributed beams; (4) a calculating device for calculating the optical signal power by finding the power of the polarized component of the amplified output beam from the Stokes parameters S1, S2, and S3; (5) a calculating device for calculating the noise power by finding the power of the noise included in the amplified output beam from Stokes parameter S0 and the optical signal power; and (6) a dividing device for calculating the ratio Power ⁢   ⁢ of ⁢   ⁢ Optical ⁢   ⁢ Signal Power ⁢   ⁢ of ⁢   ⁢ Noise at the passing wavelength.

Abstract translation: 用于测量光通信中的光信噪比的装置和方法包括：（1）当光束波长与VOBPF的通过波长相同时，通过放大的输出光束的可变光学带通滤波器（VOBPF） ; （2）1x4光束分配器，用于将VOBPF的通过光束分配成四个流; （3）用于从四个分布式波束测量斯托克斯参数S0，S1，S2，S3的测量装置; （4）计算装置，用于通过从斯托克斯参数S1，S2和S3中找出放大的输出光束的偏振分量的功率来计算光信号功率; （5）一种计算装置，用于通过从Stokes参数S0和光信号功率中找出包含在放大的输出光束中的噪声的功率来计算噪声功率; 和（6）用于计算通过波长的比值的分割装置。

公开(公告)号：US06396574B1

公开(公告)日：2002-05-28

申请号：US09524156

申请日：2000-03-14

Applicant: Chang Hee Lee ,  Sang Yung Shin ,  Kwang Uk Chu

Inventor： Chang Hee Lee ,  Sang Yung Shin ,  Kwang Uk Chu

IPC: G01N2100

CPC classification number: G01J1/4257 ,  G01J9/00 ,  G01J2009/0226 ,  G02B6/29319 ,  G02B6/29358 ,  G02B6/2938 ,  G02B6/29395 ,  H04B10/077 ,  H04B10/07955

Abstract: An apparatus for measuring the wavelength, optical power, and an optical signal-to-noise ratio (OSNR) of each optical signal in wavelength-division-multiplexing optical communication includes: elements for splitting a part of wavelength-division-multiplexed (WDM) signals, elements for amplifying the WDM signals and generating spontaneous emission light simultaneously, elements for reflecting a predetermined section of the spontaneous emission light and generating an optical reference signal, and elements for combining the optical reference signal with the part of the WDM signals split by the splitting elements and generating a combined light. The apparatus has components for filtering the combined light at a fixed temperature and generating a waveform which is the same as an optical spectrum of the combined light in the time domain. The apparatus includes elements for converting the waveform into an electrical signal and components for signal processing that measure the wavelength, the optical power, and the OSNR of the WDM signals.

Abstract translation: 用于测量波分复用光通信中每个光信号的波长，光功率和光信噪比（OSNR）的装置包括：用于将波分复用（WDM） 信号，用于放大WDM信号并同时产生自发发射光的元件，用于反射自发发射光的预定部分并产生光学参考信号的元件，以及用于将光学参考信号与WDM信号的一部分分开的元件 分离元件并产生组合光。 该装置具有用于在固定温度下对组合光进行滤波的部件，并产生与时域中的组合光的光谱相同的波形。 该装置包括用于将波形转换成电信号的元件和用于信号处理的组件，用于测量WDM信号的波长，光功率和OSNR。

公开(公告)号：US07171123B2

公开(公告)日：2007-01-30

申请号：US10353745

申请日：2003-01-28

Applicant: Chang Hee Lee ,  Tae Won Oh ,  Kwang Uk Chu

Inventor： Chang Hee Lee ,  Tae Won Oh ,  Kwang Uk Chu

IPC: H04J14/02

CPC classification number: H04J14/0297 ,  H04B10/032 ,  H04B10/2503 ,  H04B10/27 ,  H04B10/272 ,  H04B10/2939 ,  H04B10/2972 ,  H04J14/02 ,  H04J14/0282

Abstract: The present invention relates to a wavelength-division multiplexed passive optical network. In particular, it relates to a technology for minimizing the optical loss at a wavelength-division multiplexed passive optical network based on wavelength-locked light source Thereby it improves the transmission quality and increases the transmission distance.A 4-port optical path setting device of the present invention increases the amount of light injected into an optical transmitter and thereby improves the wavelength-locking characteristic of a light source. In addition, it can decrease the optical transmission loss in an optical transmission path, and by an optical amplifier being inserted therein; it can also compensate the optical loss in an optical transmission path.In the present invention, a 4-port optical path setting device having the characteristics described above and a method for fault recovery without an additional optical loss are presented.

Abstract translation: 波分复用无源光网络技术领域本发明涉及一种波分复用无源光网络。 具体地说，涉及一种基于波长锁定光源的波分复用无源光网络的光损耗最小化的技术，从而提高了传输质量并提高了传输距离。 本发明的4端口光路设定装置增加了光发射机的光量，从而提高了光源的波长锁定特性。 另外，可以减少光传输路径中的光传输损耗，并且其中插入光放大器; 它还可以补偿光传输路径中的光损耗。 在本发明中，提出了具有上述特征的4端口光路设定装置和没有附加光损耗的故障恢复方法。

公开(公告)号：US06559984B1

公开(公告)日：2003-05-06

申请号：US09434843

申请日：1999-11-04

Applicant: Chang Hee Lee ,  Sang Yung Shin ,  Chu Kwang Uk

Inventor： Chang Hee Lee ,  Sang Yung Shin ,  Chu Kwang Uk

IPC: H04B1008

CPC classification number: H04B10/0773 ,  H04B10/0771 ,  H04B2210/075 ,  H04J14/0221 ,  H04J14/0227 ,  H04J14/0241 ,  H04J14/0276 ,  H04J14/0298 ,  H04Q11/0005 ,  H04Q2011/0049 ,  H04Q2011/0083

Abstract: The present invention relates to an optical path monitoring device on the basis of the identification of input ports in optical cross-connect systems. An optical path monitoring apparatus in an optical cross-connect system is provided. The optical cross-connect system in accordance with the present invention includes input ports, wavelength-division demultiplexers, optical switching devices, a control device, optical power regulating devices, wavelength-division multiplexers, and output ports. The optical path monitoring apparatus in accordance with the present invention includes a plurality of pilot tone superimposers, a plurality of optical splitters, and a plurality of pilot tone detectors.

Abstract translation: 本发明涉及光路监测装置，其基于光交叉连接系统中输入端口的识别。 提供了一种光交叉连接系统中的光路监视装置。 根据本发明的光交叉连接系统包括输入端口，波分解复用器，光交换设备，控制设备，光功率调节设备，波分复用器和输出端口。 根据本发明的光路监测装置包括多个导频音叠加器，多个分光器和多个导频音检测器。

公开(公告)号：US09410949B2

公开(公告)日：2016-08-09

申请号：US13309852

申请日：2011-12-02

Applicant: Srikanth Singamaneni ,  Evan Kharasch ,  Jeremiah J. Morrissey ,  Chang Hee Lee

Inventor： Srikanth Singamaneni ,  Evan Kharasch ,  Jeremiah J. Morrissey ,  Chang Hee Lee

IPC: G01N33/551 ,  G01N33/543 ,  B82Y5/00 ,  B82Y15/00 ,  B82Y20/00 ,  G01N33/574 ,  B82Y40/00 ,  G01N21/552 ,  G01N21/65

CPC classification number: G01N33/54346 ,  B82Y5/00 ,  B82Y15/00 ,  B82Y20/00 ,  B82Y40/00 ,  G01N21/554 ,  G01N21/658 ,  G01N33/54373 ,  G01N33/57438 ,  G01N2201/02

Abstract: Natural and/or synthetic antibodies for specific proteins are adhered to nanoparticles. The nanoparticles are adhered to a substrate and the substrate is exposed to a sample that may contain the specific proteins. The substrates are then tested with surface enhanced Raman scattering techniques and/or localized surface plasmon resonance techniques to quantify the amount of the specific protein in the sample.

Abstract translation: 用于特定蛋白质的天然和/或合成抗体粘附到纳米颗粒上。 将纳米颗粒粘附到底物上，将底物暴露于可含有特定蛋白质的样品。 然后用表面增强拉曼散射技术和/或局部表面等离子体共振技术测试底物以量化样品中特定蛋白质的量。

公开(公告)号：US08798478B2

公开(公告)日：2014-08-05

申请号：US13042386

申请日：2011-03-07

Applicant: Chang Hee Lee ,  Hyun Deok Kim

Inventor： Chang Hee Lee ,  Hyun Deok Kim

IPC: H04B10/2587

CPC classification number: H04J14/02 ,  H01S5/0608 ,  H01S5/4006 ,  H04B10/502 ,  H04B10/506 ,  H04B10/564

Abstract: The present invention discloses a low-cost light source for optical transmission systems and optical networks based on wavelength-division multiplexing (WDM) technology. A light source in accordance with the present invention is implemented by externally injecting a narrow-band incoherent light into a Fabry-Perot laser diode (F-P LD). After injection of narrow-band incoherent light, the output of F-P LD becomes wavelength-selective rather than multi-mode and the output wavelength of F-P LD coincide with the peak wavelength of the injected incoherent light.Multi-channel WDM light sources according to the present invention can be implemented using a single broadband incoherent light source and plurality of F-P LDs. An optical transmission system for upstream signal transmission in an passive optical network using the light source according the present invention is also disclosed.

Abstract translation: 本发明公开了一种基于波分复用（WDM）技术的光传输系统和光网络的低成本光源。 根据本发明的光源通过将窄带非相干光外部注入到法布里 - 珀罗激光二极管（F-P LD）中来实现。 在注入窄带非相干光后，F-P LD的输出变为波长选择性而不是多模，F-P LD的输出波长与注入的非相干光的峰值波长一致。 根据本发明的多通道WDM光源可以使用单个宽带非相干光源和多个F-P LD来实现。 还公开了一种在根据本发明的使用光源的无源光网络中用于上行信号传输的光传输系统。

公开(公告)号：US08455046B2

公开(公告)日：2013-06-04

申请号：US12841680

申请日：2010-07-22

Applicant: Gee Sung Chae ,  Gyoo Chul Jo ,  Yong Sup Hwang ,  Jin Wuk Kim ,  Chang Hee Lee

Inventor： Gee Sung Chae ,  Gyoo Chul Jo ,  Yong Sup Hwang ,  Jin Wuk Kim ,  Chang Hee Lee

IPC: B05D5/06

CPC classification number: G02B5/22 ,  G02F1/133516 ,  G02F1/13394 ,  G02F1/1393 ,  G02F2001/133519 ,  G02F2001/136231

Abstract: A fabricating method of a color filter array substrate includes the steps of forming a black matrix on a substrate, forming red, green, blue color filters on the substrate on which the black matrix is formed, forming an overcoat layer including a white color filter on the substrate on which the red, green, and blue color filters are formed, aligning a flat panel soft mold to the overcoat layer; and smoothing the overcoat layer using the flat panel soft mold.

Abstract translation: 一种滤色器阵列基板的制造方法包括以下步骤：在基板上形成黑矩阵，在其上形成黑矩阵的基板上形成红，绿，蓝滤色器，在其上形成包括白色滤色器的外涂层 其上形成有红色，绿色和蓝色滤色器的基板，将平板软模对准到外涂层; 并使用平板软模平整外涂层。

公开(公告)号：US08326151B2

公开(公告)日：2012-12-04

申请号：US13042383

申请日：2011-03-07

Applicant: Chang Hee Lee ,  Hyun Deok Kim

Inventor： Chang Hee Lee ,  Hyun Deok Kim

IPC: H04J14/00

CPC classification number: H04J14/02 ,  H01S5/0608 ,  H01S5/4006 ,  H04B10/502 ,  H04B10/506 ,  H04B10/564

Abstract: The present invention discloses a low-cost light source for optical transmission systems and optical networks based on wavelength-division multiplexing (WDM) technology. A light source in accordance with the present invention is implemented by externally injecting a narrow-band incoherent light into a Fabry-Perot laser diode (F-P LD). After injection of narrow-band incoherent light, the output of F-P LD becomes wavelength-selective rather than multi-mode and the output wavelength of F-P LD coincide with the peak wavelength of the injected incoherent light.Multi-channel WDM light sources according to the present invention can be implemented using a single broadband incoherent light source and plurality of F-P LDs. An optical transmission system for upstream signal transmission in an passive optical network using the light source according the present invention is also disclosed.

Abstract translation: 本发明公开了一种基于波分复用（WDM）技术的光传输系统和光网络的低成本光源。 根据本发明的光源通过将窄带非相干光外部注入到法布里 - 珀罗激光二极管（F-P LD）中来实现。 在注入窄带非相干光后，F-P LD的输出变为波长选择性而不是多模，F-P LD的输出波长与注入的非相干光的峰值波长一致。 根据本发明的多通道WDM光源可以使用单个宽带非相干光源和多个F-P LD来实现。 还公开了一种在根据本发明的使用光源的无源光网络中用于上行信号传输的光传输系统。

公开(公告)号：US08268214B2

公开(公告)日：2012-09-18

申请号：US11314637

申请日：2005-12-20

Applicant: Gee Sung Chae ,  Gyoo Chul Jo ,  Jin Wuk Kim ,  Chang Hee Lee

Inventor： Gee Sung Chae ,  Gyoo Chul Jo ,  Jin Wuk Kim ,  Chang Hee Lee

IPC: B29C33/40

CPC classification number: B29C33/38 ,  B29C33/3857 ,  B29C33/40

Abstract: A soft mold and a method for fabricating the same are disclosed. A master mold that has a pattern on a substrate is first formed. A first liquid high polymer precursor is formed on the master mold and then partially cured. A support film having high UV transmittance is attached to the partially cured high polymer. The attached support film and the partially cured high polymer are treated with a coupling agent and a second liquid high polymer precursor is formed on the partially cured high polymer and the support film. The second liquid high polymer precursor and the partially cured high polymer are then fully cured to form a mold. The fully cured mold is stripped from the master mold to form a soft mold having a predetermined shape on one surface.

Abstract translation: 公开了一种软模具及其制造方法。 首先形成在基板上具有图案的母模。 在母模上形成第一液体高分子前体，然后部分固化。 具有高紫外线透过率的支撑膜附着在部分固化的高分子聚合物上。 附着的支撑膜和部分固化的高分子用偶联剂处理，第二液体高分子前体形成在部分固化的高分子聚合物和载体膜上。 然后将第二液体高分子前体和部分固化的高聚物完全固化以形成模具。 将完全固化的模具从主模具剥离以在一个表面上形成具有预定形状的软模具。

公开(公告)号：US07829896B2

公开(公告)日：2010-11-09

申请号：US11935073

申请日：2007-11-05

Applicant: Wei Wang ,  Hongjiang Wu ,  Chunping Long ,  Chang Hee Lee

Inventor： Wei Wang ,  Hongjiang Wu ,  Chunping Long ,  Chang Hee Lee

IPC: H01L29/04

CPC classification number: H01L29/78696 ,  G02F1/1368 ,  H01L27/12 ,  H01L27/124 ,  H01L29/41733

Abstract: A thin film transistor (TFT) that comprises a gate electrode on a substrate, a gate insulation layer on the gate electrode, an active layer having a source region, a drain region, and a channel region on the gate insulation layer, and a source electrode and a drain electrode formed over the source region and drain region of the active layer respectively and facing each other with respect to the channel region. The profile of channel region between the source electrode and drain electrode is changed in a bend line. A method for forming the TFT is also provided.

Abstract translation: 一种薄膜晶体管（TFT），其包括在基板上的栅电极，栅电极上的栅极绝缘层，在栅极绝缘层上具有源极区，漏极区和沟道区的有源层，以及源极 电极和漏电极，分别形成在有源层的源极区域和漏极区域上，并且相对于沟道区域彼此面对。 源电极和漏电极之间的沟道区域的轮廓在弯曲线中改变。 还提供了一种用于形成TFT的方法。