公开(公告)号：US20100039834A1

公开(公告)日：2010-02-18

申请号：US12534227

申请日：2009-08-03

申请人： Sang-Cheol MOON ,  Hang-Seok CHOI ,  Young-Bae PARK

发明人： Sang-Cheol MOON ,  Hang-Seok CHOI ,  Young-Bae PARK

IPC分类号： H02M3/335

CPC分类号： H02M3/33507 ,  H02M3/33523

摘要： In a power converter, a primary coil of a transformer receives an input voltage, and a first terminal of a switch is coupled to the primary coil. An output unit includes a secondary coil of the transformer, and outputs an output voltage to which the input voltage is converted by the transformer. A switching controller receives a feedback voltage corresponding to the output voltage and a sensing voltage corresponding to a current flowing between the first terminal and a second terminal of the switch. The switching controller determines whether to perform an operation of a burst mode based on the feedback voltage. The switching controller generates a control signal by comparing the sensing voltage with a comparison voltage during a first period of the burst mode, generates the control signal by comparing the sensing voltage with a voltage corresponding to the feedback voltage during a second period of the burst mode, and transmits the control signal to a control terminal of the switch.

摘要翻译： 在功率转换器中，变压器的初级线圈接收输入电压，并且开关的第一端子耦合到初级线圈。 输出单元包括变压器的次级线圈，并且输出由变压器转换成输入电压的输出电压。 开关控制器接收对应于输出电压的反馈电压和对应于在开关的第一端子和第二端子之间流动的电流的感测电压。 开关控制器基于反馈电压确定是否执行突发模式的操作。 开关控制器通过在突发模式的第一周期期间比较感测电压和比较电压来产生控制信号，通过在突发模式的第二周期期间比较感测电压与对应于反馈电压的电压来生成控制信号 并将控制信号发送到交换机的控制终端。

公开(公告)号：US20090231894A1

公开(公告)日：2009-09-17

申请号：US12258157

申请日：2008-10-24

申请人： Sang-Cheol Moon ,  Gwan-Bon Koo ,  Jin-Tae Kim ,  Young-Bae Park

发明人： Sang-Cheol Moon ,  Gwan-Bon Koo ,  Jin-Tae Kim ,  Young-Bae Park

IPC分类号： H02M7/04

CPC分类号： H02M3/33507

摘要： In a power converter, a primary coil receives an input voltage, and a switch includes a first electrode, a second electrode coupled to the primary coil, and a control electrode. An output unit includes a secondary coil, and outputs an output voltage. The primary coil and the secondary coil form a transformer, and the input voltage is converted to the output voltage by the transformer. A controller receives a sensing voltage corresponding to a switch current flowing between the first electrode and the second electrode of the switch, detects a valley point of a voltage between the first electrode and the second electrode of the switch based on the sensing voltage, and transmits a control signal to the control electrode of the switch in accordance with the valley point,

摘要翻译： 在功率转换器中，初级线圈接收输入电压，并且开关包括第一电极，耦合到初级线圈的第二电极和控制电极。 输出单元包括次级线圈，并输出输出电压。 初级线圈和次级线圈形成变压器，输入电压由变压器转换成输出电压。 控制器接收对应于在开关的第一电极和第二电极之间流动的开关电流的感测电压，基于感测电压检测开关的第一电极和第二电极之间的电压的谷点，并且传输 根据谷点向开关的控制电极施加控制信号，

公开(公告)号：US20090229319A1

公开(公告)日：2009-09-17

申请号：US12402247

申请日：2009-03-11

申请人： Sang Hee Yoo ,  Jong Deuk Bae ,  Kil Su Kim ,  Ji Maeng Kim ,  Young Bae Park

发明人： Sang Hee Yoo ,  Jong Deuk Bae ,  Kil Su Kim ,  Ji Maeng Kim ,  Young Bae Park

IPC分类号： D06F39/10

CPC分类号： D06F39/10

摘要： A filter assembly of a washer is disclosed, by which laundry can be prevented from being damaged by friction with the filter assembly in a manner of efficiently filtering off particles contained in water in the course of washing the laundry. In a washer including an inner wall having an outlet and a circulation passage provided between the inner wall and a wash tub to enable water to circulate to the outlet from a bottom of the wash tub, the present invention includes a closed-type filter unit filtering off particles from the water discharged from the outlet, a cap having an injection hole to enable the water through the closed-type filter unit to be injected into the wash tub, and a locking means for fixing the closed-type filter unit and the cap to the inner wall, the locking means provided between the cap and the closed-type filter unit.

摘要翻译： 公开了一种垫圈的过滤器组件，通过该过滤器组件可以防止洗涤物在与洗涤衣物的过程中有效地过滤包含在水中的颗粒的方式与过滤器组件的摩擦而损坏。 在包括具有出口的内壁和设置在内壁和洗涤桶之间的循环通道的内壁的垫圈中，使得水能够从洗涤桶的底部循环到出口，本发明包括封闭型过滤器单元过滤 从出口排出的水中排出的颗粒，具有注射孔的帽，使得能够通过封闭型过滤器单元注入水分并将其注入到洗涤桶中;以及锁定装置，用于固定封闭式过滤器单元和盖 所述锁定装置设置在所述盖和所述封闭式过滤器单元之间。

公开(公告)号：US20090028235A1

公开(公告)日：2009-01-29

申请号：US12220768

申请日：2008-07-25

申请人： Young-Bae Park ,  Gwan-Bon Koo

发明人： Young-Bae Park ,  Gwan-Bon Koo

IPC分类号： H03K7/08

CPC分类号： H03K7/06

摘要： The present invention relates to a frequency modulation device and a switching mode power supply using the frequency modulation device. To prevent electromagnetic interference (EMI), it is required to slightly vary a switching operation frequency in an SMPS operation. In some embodiments, at least one first signal having a predetermined cycle is generated, a second signal corresponding to a level of a first signal is generated at a turn-off time of a switch, a first reference voltage having at least two different levels is generated according to the second signal, and an oscillator signal for increasing along a first slope during a first period and decreasing along a second slope during a second period between the first reference voltage and a second reference voltage having a level that is different from the first reference voltage is generated.

摘要翻译： 本发明涉及使用该调频装置的频率调制装置和开关模式电源。 为了防止电磁干扰（EMI），需要在SMPS操作中稍微改变开关操作频率。 在一些实施例中，产生具有预定周期的至少一个第一信号，在开关的关断时间产生对应于第一信号的电平的第二信号，具有至少两个不同电平的第一参考电压是 根据第二信号生成的振荡器信号，以及振荡器信号，用于在第一周期期间沿着第一斜率增加，并且在第一参考电压和第二参考电压之间的第二周期期间沿着第二斜率减小，该第二参考电压具有与第一 产生参考电压。

公开(公告)号：US20080259659A1

公开(公告)日：2008-10-23

申请号：US12079184

申请日：2008-03-25

申请人： Hang-Seok Choi ,  Young-Bae Park ,  Gwan-Bon Koo ,  Jin-Tae Kim

发明人： Hang-Seok Choi ,  Young-Bae Park ,  Gwan-Bon Koo ,  Jin-Tae Kim

IPC分类号： H02H7/10

CPC分类号： H02M1/32 ,  H02M1/36 ,  H02M3/33523

摘要： A converter and a driving method thereof are provided. The converter can determine the output short state of the converter after the soft start is finished by using a detection signal that corresponds to an input signal while a switched is turned on and that corresponds to an output signal while the switch is turned off, so as to convert the input signal into the output signal according to a switching operation of the switch. The converter can determine the overload state of the converter by using a feedback voltage corresponding to the output signal, and terminate the switching operation when the converter is in an output short state or overload state.

摘要翻译： 提供A转换器及其驱动方法。 转换器可以通过在切换开启时使用与输入信号相对应的检测信号，并且在开关断开时对应于输出信号，在软启动完成之后确定转换器的输出短路状态，从而 根据开关的切换动作将输入信号转换为输出信号。 转换器可以通过使用与输出信号相对应的反馈电压来确定转换器的过载状态，并且在转换器处于输出短路状态或过载状态时终止开关操作。

公开(公告)号：US20080180973A1

公开(公告)日：2008-07-31

申请号：US12011343

申请日：2008-01-25

申请人： Young-Bae Park ,  Gwan-Bon Koo

发明人： Young-Bae Park ,  Gwan-Bon Koo

IPC分类号： H02M3/335

CPC分类号： H02M3/33523 ,  H02M3/33507

摘要： The present invention relates to a converter and a driving method thereof. The converter includes a main switch and a switching controller. The switching controller controls on/off of the main switch by using a first voltage corresponding to an output voltage and a first current flowing to the main switch. The switching controller determines a reference count according to the first voltage, and determines a peak value of the first current corresponding to a reference count and a switching frequency of the main switch.

摘要翻译： 本发明涉及一种转换器及其驱动方法。 转换器包括主开关和开关控制器。 开关控制器通过使用对应于输出电压的第一电压和流向主开关的第一电流来控制主开关的开/关。 开关控制器根据第一电压确定参考计数，并且确定与基准计数相对应的第一电流的峰值和主开关的开关频率。

公开(公告)号：US20050087770A1

公开(公告)日：2005-04-28

申请号：US10986930

申请日：2004-11-15

申请人： Hyang-Shik Kong ,  Sung-Wook Huh ,  Young-Bae Park

发明人： Hyang-Shik Kong ,  Sung-Wook Huh ,  Young-Bae Park

IPC分类号： G02F1/136 ,  H01L21/3213 ,  H01L21/77 ,  H01L21/84 ,  H01L27/12 ,  H01L27/13 ,  H01L29/73

CPC分类号： G02F1/1362 ,  G02F1/13458 ,  G02F2001/136254 ,  H01L21/32134 ,  H01L21/32136 ,  H01L27/124 ,  H01L27/1255 ,  H01L27/1288

摘要： Disclosed is a thin film transistor substrate and a system for inspecting the same. The thin film transistor substrate comprises gate wiring formed on an insulation substrate and including gate lines, and gate electrodes and gate pads connected to the gate lines; a gate insulation layer covering the gate wiring; a semiconductor layer formed over the gate insulation layer; data wiring formed over the gate insulation layer and including data pads; a protection layer covering the data wiring; auxiliary pads connected to the data pads through contact holes formed in the protection layer; and a pad auxiliary layer formed protruding a predetermined height under the data pads. The inspection system for determining whether a thin film transistor substrate is defective, in which the thin film transistor substrate comprises gate wiring including gate lines, gate electrodes and gate pads, and data wiring including source electrodes and drain electrodes, includes a probe pin for contacting the gate pads or data pads and transmitting a corresponding signal, wherein a contact tip at a distal end of the probe pin for contacting the gate pads or the data pads is rounded, and a radius of the rounded contact tip is 2 μm or less, or the rounded contact tip is coated with gold (Au).

摘要翻译： 公开了一种薄膜晶体管基板及其检查系统。 薄膜晶体管基板包括形成在绝缘基板上并包括栅极线的栅极布线，以及连接到栅极线的栅电极和栅极焊盘; 覆盖栅极布线的栅极绝缘层; 形成在所述栅绝缘层上的半导体层; 数据布线形成在栅极绝缘层上并包括数据焊盘; 覆盖数据线的保护层; 辅助焊盘通过形成在保护层中的接触孔连接到数据焊盘; 以及在数据焊盘下方突出预定高度形成的焊盘辅助层。 用于确定薄膜晶体管基板是否缺陷的检查系统，其中薄膜晶体管基板包括包括栅极线，栅电极和栅极焊盘的栅极布线，以及包括源电极和漏电极的数据布线，包括用于接触的探针 栅极焊盘或数据焊盘并传输相应的信号，其中用于接触栅极焊盘或数据焊盘的探针的远端处的接触尖端是圆形的，并且圆形接触尖端的半径为2μm或更小， 或圆形接触尖端涂有金（Au）。

公开(公告)号：US11457405B2

公开(公告)日：2022-09-27

申请号：US13158788

申请日：2011-06-13

申请人： Dong Geun Lee ,  Young Bae Park ,  Young Kyu Choi ,  Ki Back Kim

发明人： Dong Geun Lee ,  Young Bae Park ,  Young Kyu Choi ,  Ki Back Kim

IPC分类号： H04W52/02 ,  H03G3/30 ,  H04W88/08

摘要： A power control method of a base station in a wireless communication system based on Orthogonal Frequency Division Multiple Access (OFDMA) is provided for reducing power consumption by turning off the bias of the power amplifier for the duration of a symbol carrying no user data. The method includes checking scheduling information of radio resources, detecting a symbol carrying no user data, based on the scheduling information, and turning off a bias of the power amplifier for a symbol duration of the symbol carrying no user data. The transmission power control method is capable of reducing power consumption of the base station by turning off the bias of the power amplifier of the base station for the symbol duration in which no user data is transmitted.

公开(公告)号：US10108049B2

公开(公告)日：2018-10-23

申请号：US12794623

申请日：2010-06-04

申请人： EnkhAmgalan Dorjgotov ,  Zhibing Ge ,  Ming Xu ,  Cheng Chen ,  Young Bae Park ,  John Z. Zhong ,  Wei Chen ,  Shawn Robert Gettemy

发明人： EnkhAmgalan Dorjgotov ,  Zhibing Ge ,  Ming Xu ,  Cheng Chen ,  Young Bae Park ,  John Z. Zhong ,  Wei Chen ,  Shawn Robert Gettemy

IPC分类号： G09G3/36 ,  G02F1/1337

摘要： Devices and methods related to high-contrast liquid crystal displays (LCDs) are provided. For example, such an electronic device may include an LCD with two liquid crystal alignment layers not symmetric to one another and upper and lower polarizing layers respectively above and below the alignment layers. Light transmittance through the plurality of pixels may increase monotonically with gray scale voltage. The display may operate using a gray scale level 0 voltage higher than a minimum gray scale level 0 voltage capability of the display. Additionally or alternatively, liquid crystal molecular alignment axes of the two alignment layers may be offset from one another by an angle other than a multiple of 180 degrees. Additionally or alternatively, a first polarizing axis of the upper polarizing layer or a second polarizing axis of the lower polarizing layer, or both, may be neither parallel nor perpendicular to one of the liquid crystal molecular alignment axes.

公开(公告)号：US09520771B2

公开(公告)日：2016-12-13

申请号：US13239762

申请日：2011-09-22

申请人： Sang Cheol Moon ,  Young-Bae Park

发明人： Sang Cheol Moon ,  Young-Bae Park

IPC分类号： H02M3/335 ,  H02M1/42 ,  H02M1/00

CPC分类号： H02M1/4258 ,  H02M3/335 ,  H02M2001/0035 ,  Y02B70/126 ,  Y02B70/16

摘要： A power supply includes a rectifier for rectifying an AC line voltage to generate a link voltage, a link capacitor for charging the link voltage, a control switch for controlling charge of the link capacitor, a converter for converting the link voltage to a DC voltage, and a switch controller. When the converter operates in a standby operation mode, the switch controller controls on-off of the control switch through a pulse signal having an on-time determined based on a peak value of a detected AC line voltage.

摘要翻译： 电源包括用于整流交流线路电压以产生链路电压的整流器，用于对链路电压充电的链路电容器，用于控制链路电容器的充电的控制开关，用于将链路电压转换为直流电压的转换器， 和开关控制器。 当转换器在待机操作模式下工作时，开关控制器通过具有基于检测到的AC线路电压的峰值确定的导通时间的脉冲信号控制控制开关的导通。