公开(公告)号：US07259447B2

公开(公告)日：2007-08-21

申请号：US11150288

申请日：2005-06-13

Applicant: Moon Heon Kong ,  Yong Chun Kim ,  Jae Hoon Lee ,  Hyung Ky Back

Inventor： Moon Heon Kong ,  Yong Chun Kim ,  Jae Hoon Lee ,  Hyung Ky Back

IPC: H01L23/495

CPC classification number: H01L33/38 ,  H01L33/08 ,  H01L33/20 ,  H01L33/405 ,  H01L2224/0554 ,  H01L2224/05568 ,  H01L2224/05573 ,  H01L2224/16225 ,  H01L2924/00014 ,  H01L2224/05599 ,  H01L2224/0555 ,  H01L2224/0556

Abstract: Disclosed herein is a flip-chip type nitride semiconductor light emitting diode. The light emitting diode comprises an n-type nitride semiconductor layer formed on a transparent substrate and having a substantially rectangular upper surface, an n-side electrode which comprises at least one bonding pad adjacent to at least one corner of the upper surface of the n-type nitride semiconductor layer, extended electrodes formed in a band from the bonding pad along four sides of the upper surface of the n-type nitride semiconductor layer and one or more fingers extended in a diagonal direction of the upper surface from the bonding pad and/or the extended electrodes, an active layer and a p-type nitride semiconductor layer sequentially stacked on a region of the n-type nitride semiconductor layer where the n-side electrode is not formed, and a highly reflective ohmic contact layer formed on the p-type nitride semiconductor layer.

Abstract translation: 本文公开了倒装芯片型氮化物半导体发光二极管。 发光二极管包括形成在透明基板上并具有基本上矩形的上表面的n型氮化物半导体层，n侧电极包括与n的上表面的至少一个角相邻的至少一个焊盘 型氮化物半导体层，从接合焊盘沿着n型氮化物半导体层的上表面的四边形成的带状的延伸电极和从接合焊盘沿上表面的对角线方向延伸的一个或多个指状物， 或者在n型氮化物半导体层的未形成n侧电极的区域上依次堆叠的延伸电极，有源层和p型氮化物半导体层以及形成在该n型氮化物半导体层上的高反射欧姆接触层 p型氮化物半导体层。

公开(公告)号：US20070046836A1

公开(公告)日：2007-03-01

申请号：US11504858

申请日：2006-08-16

Applicant: Sung-Kee Kim ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim ,  Gyu-Woong Lee ,  Jae-Hoon Lee ,  Yong-Gyoo Kim ,  Han-Lim Lee ,  Hoon Kim

Inventor： Sung-Kee Kim ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim ,  Gyu-Woong Lee ,  Jae-Hoon Lee ,  Yong-Gyoo Kim ,  Han-Lim Lee ,  Hoon Kim

IPC: H04N5/50

CPC classification number: H04B10/2575

Abstract: Disclosed is an ROF link apparatus for selecting an IF band in order to process various service signals through an MMF, which including transmitters for receiving the service signals, performing IF modulation for the service signals, and transferring the modulated IF signals, a first controller for scanning frequency characteristics of the MMF, searching for flat frequency bands, and transferring information regarding the flat frequency band, thereby controlling IF modulation to be performed, a link unit for combining the IF signals with output signals of the first controller, converting the combined signals into optical signals, transmitting the optical signals, converting the optical signals into electrical signals, and splitting the electrical signals, a second controller for receiving the output signals of the first controller, detecting information regarding the flat frequency band, and transferring the information to receivers, thereby controlling modulation to be performed, and the receivers for receiving the IF modulated signals, receiving the information from the second controller, and performing RF modulation.

Abstract translation: 公开了一种用于选择IF频带以便通过MMF处理各种服务信号的ROF链路装置，该MMF包括用于接收服务信号的发射机，对服务信号执行IF调制，以及传送调制的IF信号，第一控制器 MMF的扫描频率特性，搜索平坦频带，以及传送关于平坦频带的信息，由此控制要执行的IF调制;用于将IF信号与第一控制器的输出信号组合的链路单元，转换组合信号 传输光信号，将光信号转换为电信号，分割电信号;第二控制器，用于接收第一控制器的输出信号，检测关于平坦频带的信息，以及将信息传送到接收机 ，从而控制要进行的调制 用于接收IF调制信号的接收机，从第二控制器接收信息，并执行RF调制。

公开(公告)号：US20060291776A1

公开(公告)日：2006-12-28

申请号：US11471152

申请日：2006-06-20

Applicant: Jae-Hoon Lee ,  Yong-Gyoo Kim ,  Yun-Je Oh ,  Seong-Taek Hwang

Inventor： Jae-Hoon Lee ,  Yong-Gyoo Kim ,  Yun-Je Oh ,  Seong-Taek Hwang

IPC: G02B6/28

CPC classification number: H04J14/0226 ,  H04J14/02 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0282

Abstract: Disclosed is a wavelength-division-multiplexed passive optical network using a wavelength-locked optical transmitter. The wavelength-division-multiplexed passive optical network (WDM PON) includes a central office, which includes a plurality of downstream optical transmitters for outputting downstream optical signals having wavelengths according to downstream injection lights, a wavelength division multiplexer including a plurality of de-multiplexing ports linked to the plurality of the downstream optical transmitters by one-to-one, and a multiplexing port linked with the feeder fiber and performing wavelength division multiplexing and wavelength division de-multiplexing, and at least one optical switch interposed between the downstream optical transmitters and the de-multiplexing ports, inputting a downstream band light output from a selected downstream optical transmitter to the multiplexing port, and inputting a downstream optical signal output from a remaining downstream optical transmitter, which is not selected, to the de-multiplexing port.

Abstract translation: 公开了使用波长锁定光发射机的波分复用无源光网络。 波分复用无源光网络（WDM PON）包括中心局，其包括多个下行光发射机，用于输出具有根据下游注入光的波长的下行光信号，波分多路复用器包括多个解复用 通过一对一连接到多个下游光发射机的端口，以及与馈电光纤链接并执行波分复用和波分解除复用的复用端口，以及插入在下行光发射机之间的至少一个光开关 以及解复用端口，将从所选择的下游光发射机输出的下行带光输入到复用端口，以及将未被选择的剩余下行光发射机输出的下行光信号输入到解复用端口。

公开(公告)号：US20060182445A1

公开(公告)日：2006-08-17

申请号：US11355408

申请日：2006-02-16

Applicant: Jae-Hoon Lee ,  Kwan-Soo Lee ,  Chang-Sup Shim ,  Gyu-Woong Lee ,  Seong-Taek Hwang

Inventor： Jae-Hoon Lee ,  Kwan-Soo Lee ,  Chang-Sup Shim ,  Gyu-Woong Lee ,  Seong-Taek Hwang

IPC: H04J14/00

CPC classification number: H04J14/0282 ,  H04J14/02 ,  H04J14/0226 ,  H04J14/0227 ,  H04J14/0246 ,  H04J14/025

Abstract: Disclosed is a wavelength-division-multiplexed passive optical network (WDM-PON) using a light source wavelength-locked by an injected incoherent light. The WDM-PON system includes: an injection light generating section, which includes a broadband light source emitting an incoherent optical signal, so as to provide a route for an uplink signal and a route for a downlink signal according to time; a central office for receiving the incoherent optical signal generated by the injection light generating section, transmitting a downlink light by wavelength-locking the received incoherent optical signal, receiving an uplink optical signal from a subscriber unit, and detecting a light from the received uplink optical signal; and the subscriber unit for receiving the incoherent optical signal generated by the injection light generating section, transmitting an uplink light by wavelength-locking the received incoherent optical signal, receiving a downlink optical signal from a central office, and detecting a light from the received downlink optical signal.

Abstract translation: 公开了使用由注入的非相干光波长锁定的光源的波分复用无源光网络（WDM-PON）。 WDM-PON系统包括：注入光产生部分，其包括发射非相干光信号的宽带光源，以便根据时间为上行链路信号和下行链路信号的路由提供路由; 用于接收由注入光产生部分产生的非相干光信号的中心局，通过波长锁定接收到的非相干光信号，从用户单元接收上行光信号，以及从接收的上行光学 信号; 以及用户单元，用于接收由注入光产生部分产生的非相干光信号，通过波长锁定接收的非相干光信号，从中心局接收下行链路光信号，并从接收的下行链路中检测光，发送上行光 光信号。

公开(公告)号：US20060125736A1

公开(公告)日：2006-06-15

申请号：US11269293

申请日：2005-11-08

Applicant: Jae-Hoon Lee

Inventor： Jae-Hoon Lee

IPC: G09G3/30

CPC classification number: G09G3/3283 ,  G09G2310/0248 ,  G09G2310/027 ,  G09G2310/0289

Abstract: There is provided a display apparatus including a data drive IC. The data drive IC includes a current-mode analog to digital converter (DAC) comprising a plurality of dynamic circuits (instead of conventional level shifters). In response to an enable signal received, each of the dynamic circuits convert a bit of an image data signal received from a signal input circuit into a high voltage level and outputs the resulting signal to a current switch that outputs current to a current node connected to a pixel. The data drive IC including the dynamic circuit has reduced chip area and reduced power consumption (compared to conventional ones comprising a plurality of level-shifters).

Abstract translation: 提供了一种包括数据驱动IC的显示装置。 数据驱动IC包括包括多个动态电路（而不是常规电平转换器）的电流模式模数转换器（DAC）。 响应于接收的使能信号，每个动态电路将从信号输入电路接收的图像数据信号的一位转换为高电压电平，并将所得到的信号输出到电流开关，该电流开关将电流输出到连接到 一个像素 包括动态电路的数据驱动IC具有减少的芯片面积和降低的功耗（与包括多个电平移位器的传统IC相比）。

公开(公告)号：US20060072924A1

公开(公告)日：2006-04-06

申请号：US11216761

申请日：2005-08-31

Applicant: Jae-Hoon Lee ,  Byung-Jik Kim ,  Seong-Taek Hwang

Inventor： Jae-Hoon Lee ,  Byung-Jik Kim ,  Seong-Taek Hwang

IPC: H04B10/04

CPC classification number: H04B10/2513 ,  H04B10/5167

Abstract: A duo-binary optical transmitter tolerant to a chromatic dispersion includes a pre-coder for generating a first 2-level signal from input binary data and generating a second signal having a waveform obtained by inverting the first signal, a Mach-Zehnder Modulator (MZM) for generating a Differential Phase Shift Keying (DPSK) modulated optical signal by modulating an input light according to the first signal and the second signal, and a Delay Interferometer (DI) for splitting the DPSK modulated optical signal into a first split signal and a second split signal, delaying the second split signal, and generating a duo-binary optical signal by interfering the first split signal with the second delayed split signal, wherein a time required for delaying the second split signal is set to 0.5˜0.8 bit.

Abstract translation: 一种容忍色散的双二进制光发射机包括一个预编码器，用于从输入的二进制数据产生第一个2电平信号，并产生具有通过反转第一个信号获得的波形的第二个信号，马赫 - 曾德调制器（MZM ），用于通过根据第一信号和第二信号调制输入光来产生差分相移键控（DPSK）调制光信号;以及延迟干涉仪（DI），用于将DPSK调制的光信号分离成第一分离信号和 第二分割信号，延迟第二分割信号，以及通过用第二延迟分离信号干扰第一分离信号来产生二进制二进制光信号，其中延迟第二分割信号所需的时间被设置为0.5〜0.8比特。

公开(公告)号：US20060018667A1

公开(公告)日：2006-01-26

申请号：US11005428

申请日：2004-12-06

Applicant: Han-Lim Lee ,  Hoon Kim ,  Jae-Hoon Lee ,  Yun-Je Oh ,  Seong-Taek Hwang

Inventor： Han-Lim Lee ,  Hoon Kim ,  Jae-Hoon Lee ,  Yun-Je Oh ,  Seong-Taek Hwang

IPC: H04B10/04 ,  H04B10/12

CPC classification number: H04B10/505 ,  H04B10/5055 ,  H04B10/5167

Abstract: An optical transmission apparatus using duobinary modulation adapted to an optical communication system using dense wavelength division multiplexing (DWDM) is disclosed. The duo-binary optical transmission apparatus includes an electro-absorption modulated laser (EML) for performing a light intensity modulation operation based on an electrical data signal and producing a modulated optical signal, the EML having a light source for outputting carriers and a modulator for performing the light intensity modulation operation, a precoder for inputting an inverted signal of the electrical data signal and encoding it to an encoded signal, and a modulator for performing a phase modulation of the optical signal modulated by the EML and outputting a duo-binary optical signal, according to the encoded signal.

Abstract translation: 公开了一种使用二进制调制的光传输装置，其适用于使用密集波分复用（DWDM）的光通信系统。 双二进制光传输装置包括：电吸收调制激光器（EML），用于基于电数据信号执行光强度调制操作并产生调制光信号，所述EML具有用于输出载波的光源和用于 执行光强调制操作，用于输入电数据信号的反相信号并将其编码为编码信号的预编码器，以及用于对由EML调制的光信号进行相位调制的调制器，并输出二进制二进制光 信号，根据编码信号。

公开(公告)号：US20050259051A1

公开(公告)日：2005-11-24

申请号：US11133878

申请日：2005-05-19

Applicant: Jae-Hoon Lee ,  Bong-Hyun You ,  Min-Koo Han

Inventor： Jae-Hoon Lee ,  Bong-Hyun You ,  Min-Koo Han

IPC: G09G3/30 ,  G09G3/20 ,  H01L51/50 ,  H05B33/14

CPC classification number: G09G3/3233 ,  G09G3/3291 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/043

Abstract: Each pixel includes: a light emitting element; a capacitor; a driving transistor that has a control terminal, an input terminal, and an output terminal and supplies a driving current to the light emitting element to emit light; a first switching unit that diode-connects the driving transistor and supplies a data voltage to the driving transistor in response to a scanning signal; and a second switching unit that supplies a driving voltage to the driving transistor and connects the light emitting element and the capacitor to the driving transistor in response to an emission signal, wherein the capacitor is connected to the driving transistor through the first switching unit, stores a control voltage being a function of the data voltage and the threshold voltage of the driving transistor, and is connected to the driving transistor through the second switching unit to supply the control voltage to the driving transistor.

Abstract translation: 每个像素包括：发光元件; 电容器 驱动晶体管，其具有控制端子，输入端子和输出端子，并且向发光元件提供驱动电流以发光; 第二开关单元，二极管连接驱动晶体管，并响应于扫描信号将数据电压提供给驱动晶体管; 以及第二开关单元，其向所述驱动晶体管提供驱动电压，并且响应于发射信号将所述发光元件和所述电容器连接到所述驱动晶体管，其中所述电容器通过所述第一开关单元连接到所述驱动晶体管， 控制电压是驱动晶体管的数据电压和阈值电压的函数，并且通过第二开关单元连接到驱动晶体管，以向驱动晶体管提供控制电压。

公开(公告)号：US20050147412A1

公开(公告)日：2005-07-07

申请号：US10918279

申请日：2004-08-13

Applicant: Sung-Bum Park ,  In-Kwon Kang ,  Seong-Taek Hwang ,  Jae-Hoon Lee

Inventor： Sung-Bum Park ,  In-Kwon Kang ,  Seong-Taek Hwang ,  Jae-Hoon Lee

IPC: H04L12/44 ,  H04B10/00 ,  H04B10/03 ,  H04B10/032 ,  H04B10/07 ,  H04B10/071 ,  H04B10/077 ,  H04B10/27 ,  H04B10/272 ,  H04J14/00 ,  H04J14/02

CPC classification number: H04J14/0294 ,  H04J14/0226 ,  H04J14/0227 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0282

Abstract: Disclosed is a bi-directional wavelength division multiplexing self-healing passive optical network including: a central office for multiplexing and transmitting downstream optical signals to a first and a second main fiber; a remote node connected to the central office through the first and the second main fiber, for transmitting multiple pairs of the downstream optical signals, which are obtained by demultiplexing one inputted pair of the multiplexed downstream optical signals according to wavelengths, to corresponding pairs of distribution fibers; and a plurality of optical network units connected to the remote node through the multiple pairs of distribution fibers, each of the optical network units being selectively connected to one corresponding pair of the distribution fibers, for receiving a corresponding downstream optical signal from the selected distribution fiber.

Abstract translation: 公开了一种双向波分复用自愈无源光网络，包括：中心局，用于将下行光信号复用并发送到第一和第二主光纤; 通过第一和第二主光纤连接到中心局的远程节点，用于发送多对下行光信号，这些下行光信号是通过根据波长将一个输入的多路复用的下行光信号的一对解复用到相应的分布对 纤维; 以及多个光网络单元，通过多对分配光纤连接到远程节点，每个光网络单元选择性地连接到一对相应的分配光纤，用于从所选分配光纤接收相应的下行光信号 。

公开(公告)号：US20050111675A1

公开(公告)日：2005-05-26

申请号：US10849137

申请日：2004-05-20

Applicant: Jae-hoon Lee

Inventor： Jae-hoon Lee

IPC: G11B20/10 ,  H03G3/00 ,  H04R5/02

CPC classification number: H04R5/02 ,  H04R5/04

Abstract: An audio/video (A/V) device having a volume control function for external audio reproduction units by using volume control buttons of a remote controller is provided. The A/V device includes speakers, an audio output port for externally outputting an audio signal, an audio signal processing unit for reproducing and amplifying the audio signal and applying the amplified audio signal to the speakers or the audio output port, a memory unit for storing volume control values, and a control unit for applying to the audio signal processing unit any of the volume control values stored in the memory based on whether the external audio reproduction unit is plugged in the audio output port. The control unit controls the audio signal processing unit to adjust the volume control values for the audio output port by the volume control buttons when the external audio reproduction unit is plugged in the audio output port.

Abstract translation: 提供了通过使用遥控器的音量控制按钮，具有用于外部音频再现单元的音量控制功能的音频/视频（A / V）设备。 A / V装置包括扬声器，用于外部输出音频信号的音频输出端口，用于再现和放大音频信号并将放大的音频信号施加到扬声器或音频输出端口的音频信号处理单元，用于 存储音量控制值，以及控制单元，用于基于外部音频再现单元是否插入音频输出端口，将存储在存储器中的任何音量控制值应用于音频信号处理单元。 当外部音频再现单元插入音频输出端口时，控制单元控制音频信号处理单元，以通过音量控制按钮调节音频输出端口的音量控制值。