公开(公告)号：US20060120061A1

公开(公告)日：2006-06-08

申请号：US11289223

申请日：2005-11-28

Applicant: Hyeon-Yong Jang ,  Cheol-Jin Park

Inventor： Hyeon-Yong Jang ,  Cheol-Jin Park

IPC: G01D11/28

CPC classification number: G02F1/133611 ,  G02F1/133603 ,  G02F1/133604 ,  H01J61/305

Abstract: In a backlight assembly and an LCD device having the same, a backlight assembly includes a main light source and an auxiliary light source. The main light source is under an LCD panel that displays an image. The main light source generates a main light. The auxiliary light source generates an auxiliary light. Therefore, luminance of the backlight assembly becomes more uniform, and an image display quality of the LCD device is improved.

Abstract translation: 在背光组件和具有该组件的LCD装置中，背光组件包括主光源和辅助光源。 主光源位于显示图像的LCD面板下方。 主光源产生主光。 辅助光源产生辅助光。 因此，背光组件的亮度变得更均匀，并且提高了LCD装置的图像显示质量。

公开(公告)号：US20060034098A1

公开(公告)日：2006-02-16

申请号：US11188744

申请日：2005-07-26

Applicant: Cheol-jin Park ,  Hyeon-yong Jang

Inventor： Cheol-jin Park ,  Hyeon-yong Jang

IPC: F21V7/04

CPC classification number: H01J61/305 ,  G02F1/133604 ,  G02F1/133611 ,  G02F2001/133317 ,  H01J65/046

Abstract: A surface light source unit of a liquid crystal display device that is capable of preventing occurrence of a dark area caused by external electrode elements. The surface light source unit of a liquid crystal display unit comprises a surface light source body having a plurality of discharge sections which are divided into first regions where the discharge sections are shaded by a support frame, and a second region where the discharge sections are exposed without being shaded by the support frame, and first external electrode elements provided on the surface light source body to correspond to the first regions that cover an area of the plurality of discharge sections that is smaller than the first regions. As a result, luminance of light projected from the surface light source unit can be uniformly controlled, and a display quality can be enhanced.

Abstract translation: 一种液晶显示装置的表面光源单元，其能够防止由外部电极元件引起的暗区的发生。 液晶显示单元的表面光源单元包括具有多个放电部分的表面光源单元，所述多个放电部分被划分为放电部分被支撑框架遮蔽的第一区域和放电部分露出的第二区域 而不被支撑框遮蔽，并且设置在表面光源主体上的第一外部电极元件对应于覆盖多个第一区域的多个放电部分的区域的第一区域。 结果，可以均匀地控制从表面光源单元投射的光的亮度，并且可以提高显示质量。

公开(公告)号：US20050271152A1

公开(公告)日：2005-12-08

申请号：US11143040

申请日：2005-06-02

Applicant: Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Cheol-Jin Park

Inventor： Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Cheol-Jin Park

IPC: H04J11/00 ,  H04L27/26 ,  H04K1/10

CPC classification number: H04L27/264 ,  H04L27/2634

Abstract: Disclosed is a multicarrier-based wireless communication system including a base station for providing a multiple access service to terminals which filter multitone transmitting signals through filters and transmit the filtered signals. A transmitter of the respective terminals includes a multiplexer for multiplexing an input signal and outputting the signal as a plurality of transmitting signals, at least one filter bank for filtering the plurality of transmitting signals, an inverse fast Fourier transformer for executing inverse fast Fourier transform of the filtered transmitting signals output from the filter bank, and a filter information generator for providing filter information to the filter bank. Since the transmitter of the present invention distinguishes users from each other by a filter and thus no synchronization is required between users, which causes a problem in an uplink of the multicarrier-based wireless communication system, system performance can be expected to be improved.

Abstract translation: 公开了一种基于多载波的无线通信系统，其包括用于向通过滤波器过滤多频发送信号的终端提供多址服务的基站，并发送经滤波的信号。 各个终端的发射机包括多路复用器，用于多路复用输入信号并输出​​该信号作为多个发送信号，至少一个用于对多个发送信号进行滤波的滤波器组，用于执行快速傅立叶逆变换 从滤波器组输出的经滤波的发送信号，以及用于向滤波器组提供滤波器信息的滤波器信息发生器。 由于本发明的发射机通过滤波器将用户彼此区分，因此在用户之间不需要同步，这导致基于多载波的无线通信系统的上行链路中的问题，可以期望提高系统性能。

公开(公告)号：US20050008085A1

公开(公告)日：2005-01-13

申请号：US10846465

申请日：2004-05-14

Applicant: Jong-Hyeuk Lee ,  Yung-soo Kim ,  Gi-Hong Im ,  Hui-Chul Won ,  Cheol-Jin Park

Inventor： Jong-Hyeuk Lee ,  Yung-soo Kim ,  Gi-Hong Im ,  Hui-Chul Won ,  Cheol-Jin Park

IPC: H04J11/00 ,  H04L25/03 ,  H04L27/26 ,  H04K1/10

CPC classification number: H04L5/006 ,  H04L5/0007 ,  H04L5/0046 ,  H04L2025/03414

Abstract: A preprocessing apparatus and method for a transmitter and a receiver to prevent system performance degradation caused by Inter-Channel Interference (ICI) or inter-symbol interference (ISI) in an OFDM system. In the OFDM system using N carriers having different frequency bands and K carriers of the N carriers designated as redundant carriers, the transmitter renders ICI-causing parts to be zeroes in a data frame, when a cyclic prefix is not longer than a channel impulse response. Therefore, the ICI is prevented. The receiver eliminates the ISI involved in a current frame using an interference estimated from a previous data frame. Therefore, noise spread caused by the use of redundant carriers is prevented and system complexity is remarkably reduced.

Abstract translation: 一种用于在OFDM系统中防止由信道间干扰（ICI）或符号间干扰（ISI）引起的系统性能下降的发射机和接收机的预处理装置和方法。 在使用具有不同频带的N个载波的OFDM系统和指定为冗余载波的N个载波的K个载波的情况下，当循环前缀不长于信道脉冲响应时，发射机在数据帧中使ICI引起的部分为零 。 因此，ICI被阻止。 接收器使用从先前数据帧估计的干扰消除了当前帧中涉及的ISI。 因此，防止使用冗余载波引起的噪声扩展，并且系统复杂度显着降低。

公开(公告)号：US07273379B2

公开(公告)日：2007-09-25

申请号：US11248345

申请日：2005-10-13

Applicant: Hyeon-Yong Jang ,  Cheol-Jin Park

Inventor： Hyeon-Yong Jang ,  Cheol-Jin Park

IPC: H01R12/00 ,  H05K1/11

CPC classification number: H05K3/366 ,  H05K3/225 ,  H05K2201/048 ,  H05K2201/09036 ,  H05K2201/09063 ,  H05K2201/0909 ,  H05K2201/09127 ,  H05K2201/09645

Abstract: A hybrid circuit board includes a first circuit board and a second circuit boards. The first circuit board includes a first body having a slot, and a first circuit pattern formed on the first body and extended to the slot. The second circuit board includes a second body, a protruding portion, a second circuit pattern, and a separating member. The protruding portion extends from the second body. The protruding portion is inserted into the slot of the first circuit board to combine the second circuit board to the first circuit board. The second circuit pattern is formed on the second body to be extended to the protruding portion, so that the second circuit pattern is electrically connected to the first circuit pattern of the first circuit board. The separating member is disposed between the second body and the protruding portion to separate the protruding portion from the second body.

Abstract translation: 混合电路板包括第一电路板和第二电路板。 第一电路板包括具有槽的第一主体和形成在第一主体上并延伸到槽的第一电路图案。 第二电路板包括第二主体，突出部分，第二电路图案和分离部件。 突出部分从第二主体延伸。 突出部插入到第一电路板的槽中，以将第二电路板与第一电路板组合。 第二电路图案形成在第二主体上以延伸到突出部分，使得第二电路图案电连接到第一电路板的第一电路图案。 分离构件设置在第二主体和突出部分之间，以将突出部分与第二主体分离。

公开(公告)号：US20060128174A1

公开(公告)日：2006-06-15

申请号：US11248345

申请日：2005-10-13

Applicant: Hyeon-Yong Jang ,  Cheol-Jin Park

Inventor： Hyeon-Yong Jang ,  Cheol-Jin Park

IPC: H05K1/00

CPC classification number: H05K3/366 ,  H05K3/225 ,  H05K2201/048 ,  H05K2201/09036 ,  H05K2201/09063 ,  H05K2201/0909 ,  H05K2201/09127 ,  H05K2201/09645

Abstract: A hybrid circuit board includes a first circuit board and a second circuit boards. The first circuit board includes a first body having a slot, and a first circuit pattern formed on the first body and extended to the slot. The second circuit board includes a second body, a protruding portion, a second circuit pattern, and a separating member. The protruding portion extends from the second body. The protruding portion is inserted into the slot of the first circuit board to combine the second circuit board to the first circuit board. The second circuit pattern is formed on the second body to be extended to the protruding portion, so that the second circuit pattern is electrically connected to the first circuit pattern of the first circuit board. The separating member is disposed between the second body and the protruding portion to separate the protruding portion from the second body.

Abstract translation: 混合电路板包括第一电路板和第二电路板。 第一电路板包括具有槽的第一主体和形成在第一主体上并延伸到槽的第一电路图案。 第二电路板包括第二主体，突出部分，第二电路图案和分离部件。 突出部分从第二主体延伸。 突出部插入到第一电路板的槽中，以将第二电路板与第一电路板组合。 第二电路图案形成在第二主体上以延伸到突出部分，使得第二电路图案电连接到第一电路板的第一电路图案。 分离构件设置在第二主体和突出部分之间，以将突出部分与第二主体分离。

公开(公告)号：US20050157802A1

公开(公告)日：2005-07-21

申请号：US10993105

申请日：2004-11-19

Applicant: Cheol-Jin Park ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Ho-Jin Kim

Inventor： Cheol-Jin Park ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Ho-Jin Kim

IPC: H04J11/00 ,  H04L25/03 ,  H04L27/26 ,  H04L27/28

CPC classification number: H04L27/2607 ,  H04L27/2647 ,  H04L2025/03414

Abstract: A receiving apparatus in an OFDM communication system, in which the receiving apparatus includes a serial-to-parallel converter that converts a serial signal received through an antenna to parallel signals. A pre-processor processes an nth symbol converted in the serial-to-parallel converter using an (n−1)th symbol and an (n+1)th symbol. A Fourier transformer Fourier-transforms the output of the pre-processor and an equalizer equalizes a Fourier-transformed signal. A deinterleaver deinterleaves an equalized signal, a decoder decodes a deinterleaved signal, and a parallel-to-serial converter converts parallel decoded signal to a signal stream.

Abstract translation: OFDM通信系统中的接收装置，其中接收装置包括串行到并行转换器，其将通过天线接收的串行信号转换为并行信号。 预处理器使用第（n-1）个符号和第（n + 1）个符号处理在串行到并行转换器中转换的第n个符号。 傅里叶变换器对预处理器的输出进行傅立叶变换，均衡器对傅立叶变换信号进行均衡。 解交织器对均衡信号进行解交织，解码器对解交织信号进行解码，并行到串行转换器将并行解码信号转换为信号流。

公开(公告)号：US06320766B1

公开(公告)日：2001-11-20

申请号：US09736398

申请日：2000-12-15

Applicant: Cheol Jin Park

Inventor： Cheol Jin Park

IPC: H02M3335

CPC classification number: H02M3/33507 ,  H02M2001/0019 ,  H02M2001/0032 ,  Y02B70/16

Abstract: A power saving circuit of an AC/DC adaptor for a portable computer including an input until converting an AC voltage into a DC voltage; a power transistor; a transformer inputting the DC voltage and inducing an AC voltage based on the state of the power transistor; an output unit converting the AC voltage into a DC voltage; a feedback unit producing a feedback voltage based on an output voltage of the output unit; a driver outputting a PWM control signal to the power transistor based on the feedback voltage; an output load sensor outputting a sensing signal if a sensed load of the output unit is below a predetermined level; an output voltage dropping unit dropping an output voltage of the output unit based on the sensed signal; and a switching frequency reducer reducing a switching frequency of the PWM control signal based on the sensing signal.

Abstract translation: 一种用于便携式计算机的AC / DC适配器的节电电路，包括直到将AC电压转换为DC电压为止的输入; 功率晶体管; 输入直流电压并基于功率晶体管的状态感应交流电压的变压器; 将交流电压转换为直流电压的输出单元; 基于输出单元的输出电压产生反馈电压的反馈单元; 驱动器，基于所述反馈电压向所述功率晶体管输出PWM控制信号; 如果输出单元的感测负载低于预定水平，输出负载传感器输出感测信号; 输出降压单元，根据感测信号降低输出单元的输出电压; 以及开关频率降低器，其基于感测信号降低PWM控制信号的开关频率。