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1. 发明授权

US08791677B2 Power factor correction circuit for correcting power factor 有权
标题翻译：用于校正功率因数的功率因数校正电路
公开(公告)号：US08791677B2
公开(公告)日：2014-07-29
申请号：US13162793
申请日：2011-06-17
申请人： Jeong Mo Yang , Chang Sik Yoo , Yung Jin Moon , Yong Seong Roh , Joong Ho Choi , Jae Shin Lee , Jung Chul Gong , Yu Jin Jang
发明人： Jeong Mo Yang , Chang Sik Yoo , Yung Jin Moon , Yong Seong Roh , Joong Ho Choi , Jae Shin Lee , Jung Chul Gong , Yu Jin Jang
IPC分类号： H02M3/156
CPC分类号： H02M1/4225 , Y02B70/126 , Y02P80/112
摘要： There is provided a power factor correction circuit capable of correcting a power factor of a power converting module through increasing an input current by switching a main switching element of a power converting module on the basis of a first reference wave having a slope based on a first signal and an error voltage, in particular, by limiting a switching frequency on the basis of a first reference wave having a slope based on a second signal lower than a first signal and an error voltage when the switching frequency of the main switching element increases because an input voltage of the power converting module is low.
摘要翻译：提供了一种功率因数校正电路，其能够通过增加输入电流来校正功率转换模块的功率因数，所述功率因数校正电路通过基于第一参考波来切换功率转换模块的主开关元件，所述第一基准波具有基于第一信号和误差电压，特别是通过基于具有基于低于第一信号的第二信号的斜率的第一参考波和当主开关元件的开关频率增加时的误差电压来限制开关频率，因为电力转换模块的输入电压低。

2. 发明授权

US07834711B2 Variable-frequency oscillator 有权
公开(公告)号：US07834711B2
公开(公告)日：2010-11-16
申请号：US12166885
申请日：2008-07-02
申请人： Yu Jin Jang , Byoung Own Min , Seung Kon Kong , Sang Cheol Shin , Jung Chul Gong
发明人： Yu Jin Jang , Byoung Own Min , Seung Kon Kong , Sang Cheol Shin , Jung Chul Gong
IPC分类号： H03K3/233 , H03K3/37
摘要： There is provided a frequency-variable oscillator that varies, even when a frequency of an input signal is varied, a frequency of an oscillation signal according to the varied frequency of the input signal. The frequency-variable oscillator includes: a voltage-to-current converter circuit for converting a voltage level of an input signal into a current level within a predetermined range; and an oscillator circuit for varying a frequency according to the current level from the voltage-to-current converter circuit and oscillating the varied frequency.

3. 发明授权

US07777527B2 Phase detection apparatus 失效
标题翻译：相位检测装置
公开(公告)号：US07777527B2
公开(公告)日：2010-08-17
申请号：US12200031
申请日：2008-08-28
申请人： Jung Chul Gong , Byoung Own Min , Yu Jin Jang , Seung Kon Kong , Sang Cheol Shin
发明人： Jung Chul Gong , Byoung Own Min , Yu Jin Jang , Seung Kon Kong , Sang Cheol Shin
IPC分类号： G01R29/00 , H03D3/00 , H03D9/00
CPC分类号： H03D13/003
摘要： There is provided a phase detection apparatus that can accurately detect a phase difference between an input signal and a reference signal even when the input signal and the reference signal have different duty cycles. A phase detection apparatus according to an aspect of the invention may include: a pulse generation unit generating a first pulse signal on an edge of an input pulse signal, and a second pulse signal based on an edge of a reference pulse signal having a predetermined phase; and a detection unit detecting a phase difference between the first pulse signal and the second pulse signal from the pulse generation unit.
摘要翻译：提供了即使在输入信号和参考信号具有不同的占空比的情况下，也可以精确地检测输入信号和参考信号之间的相位差的相位检测装置。根据本发明的一个方面的相位检测装置可以包括：脉冲产生单元，其在输入脉冲信号的边缘上产生第一脉冲信号，以及基于具有预定相位的参考脉冲信号的边沿的第二脉冲信号 ; 以及检测单元，其从所述脉冲发生单元检测所述第一脉冲信号和所述第二脉冲信号之间的相位差。

4. 发明申请

US20100134450A1 DRIVER FOR DISPLAY 失效
标题翻译：驱动器显示
公开(公告)号：US20100134450A1
公开(公告)日：2010-06-03
申请号：US12464399
申请日：2009-05-12
申请人： Seung Kon KONG , Byoung Own Min , Jung Chul Gong , Jeong In Cheon , Yu Jin Jang
发明人： Seung Kon KONG , Byoung Own Min , Jung Chul Gong , Jeong In Cheon , Yu Jin Jang
IPC分类号： G06F3/038
CPC分类号： G09G3/3406 , G09G2320/0247
摘要： A driver for display provides a driving signal having a frequency synchronized with that of an image signal when the image signal is normal and provides a driving signal having a predetermined frequency when the image signal is abnormal, thereby performing a stable operation. The driver includes a frequency detection unit detecting a frequency difference between a frequency of an inputted image signal and a frequency of a frequency-divided driving signal, a driving signal generation unit generating the driving signal having a frequency synchronized with the frequency of the image signal according to a detection result of the frequency detection unit, and a control unit stopping a frequency detection operation of the frequency detection unit when the detection result of the frequency detection unit shows an abnormal operation.
摘要翻译：当图像信号正常时，用于显示的驱动器提供具有与图像信号的频率同步的频率的驱动信号，并且当图像信号异常时提供具有预定频率的驱动信号，从而执行稳定的操作。驱动器包括检测输入图像信号的频率与分频驱动信号的频率之间的频率差的频率检测单元，产生具有与图像信号的频率同步的频率的驱动信号的驱动信号生成单元根据频率检测单元的检测结果，以及当频率检测单元的检测结果显示异常操作时，控制单元停止频率检测单元的频率检测操作。

5. 发明申请

US20100109563A1 APPARATUS FOR DRIVING MULTI-LIGHT EMITTING DEVICES 有权
标题翻译：用于驱动多发射装置的装置
公开(公告)号：US20100109563A1
公开(公告)日：2010-05-06
申请号：US12560915
申请日：2009-09-16
申请人： Jung Chul GONG , Byoung Own MIN , Bon Ahm GOO , Sang Cheol SHIN
发明人： Jung Chul GONG , Byoung Own MIN , Bon Ahm GOO , Sang Cheol SHIN
IPC分类号： H05B37/02
CPC分类号： H05B33/0827 , G09G3/342 , G09G2330/12
摘要： An apparatus for driving multi-light emitting devices that drives a multi-channel light emitting unit having a plurality of light emitting channels connected in parallel with each other, each of which has a plurality of light emitting devices connected in series with each other according to an aspect of the invention may include: a DC/DC converter generating a driving voltage; a current control unit having a plurality of current sources connected between cathodes of the plurality of light emitting channels and a ground; a minimum voltage selection unit detecting a minimum detection voltage among the plurality of detected voltages at the cathodes of the plurality of light emitting channels; a first error detection unit detecting an error voltage determined by the difference between the minimum detection voltage and a predetermined first reference voltage; and a feedback coupling unit supplying the input voltage according to the error voltage and the driving voltage.
摘要翻译：一种用于驱动多发光器件的装置，其驱动具有彼此并联连接的多个发光通道的多通道发光单元，每个发光单元具有多个根据本发明的一个方面可以包括：产生驱动电压的DC / DC转换器; 电流控制单元，其具有连接在所述多个发光通道的阴极和地之间的多个电流源; 最小电压选择单元，检测多个发光通道的阴极处的多个检测电压中的最小检测电压; 第一误差检测单元，检测由所述最小检测电压和预定的第一参考电压之间的差确定的误差电压; 以及反馈耦合单元，根据误差电压和驱动电压提供输入电压。

6. 发明授权

US07612505B2 Liquid crystal display backlight inverter 有权
标题翻译：液晶显示器背光逆变器
公开(公告)号：US07612505B2
公开(公告)日：2009-11-03
申请号：US11812678
申请日：2007-06-20
申请人： Byoung Own Min , Jung Chul Gong
发明人： Byoung Own Min , Jung Chul Gong
IPC分类号： H05B37/02
CPC分类号： C09K9/02 , H05B41/2827
摘要： A LCD backlight inverter including: a dimming control unit comparing a level of a triangle wave with a level of a dimming control signal and controlling a dimming control current to be supplied or interrupted according to a comparison result; an error amplification unit having an input end to which a detection voltage corresponding to the dimming control current and a current flowing through a lamp are inputted, comparing the detection voltage with a predetermined reference voltage, and outputting an error voltage corresponding to a difference via an output end thereof, the output end working as a ground when the dimming control current is not inputted; and a time constant circuit unit comprising a resistor connected between the output end of the error amplification unit and a voltage source and a capacitor connected between the output end of the error amplification unit and a ground.
摘要翻译：一种LCD背光逆变器，包括：调光控制单元，将三角波的电平与调光控制信号的电平进行比较，并根据比较结果控制要供应或中断的调光控制电流; 误差放大单元，其具有输入端，输入与调光控制电流对应的检测电压和流过灯的电流，将检测电压与规定的基准电压进行比较，并输出与差异对应的误差电压经由输出端，当未输入调光控制电流时，输出端作为接地; 以及时间常数电路单元，包括连接在误差放大单元的输出端与电压源之间的电阻器和连接在误差放大单元的输出端与地之间的电容器。

7. 发明申请

US20090058793A1 BACKLIGHT UNIT FOR SYNCHRONIZATION WITH AN IMAGE SIGNAL FOR LIQUID CRYSTAL DISPLAY 审中-公开
标题翻译：用于与用于液晶显示的图像信号同步的背光单元
公开(公告)号：US20090058793A1
公开(公告)日：2009-03-05
申请号：US12199344
申请日：2008-08-27
申请人： Sang Cheol SHIN , Byoung Own MIN , Jung Chul GONG , Yu Jin JANG , Seung Kon KONG
发明人： Sang Cheol SHIN , Byoung Own MIN , Jung Chul GONG , Yu Jin JANG , Seung Kon KONG
IPC分类号： G09G3/36
CPC分类号： G09G3/3406 , G09G2310/08 , G09G2320/0247
摘要： A backlight unit for synchronization with an image signal for a liquid crystal display (LCD), which can synchronize frequencies of a lamp driving signal and a lamp brightness signal with frequencies of a horizontal synchronization signal and a vertical synchronization signal, which are image signals used in an LCD panel. The backlight unit includes a synchronization part generating a first synchronized signal synchronized with a horizontal synchronization signal having a preset frequency, and a second synchronized signal synchronized with a vertical synchronization signal having a frequency different from the frequency of the horizontal synchronization signal, and a signal generation part generating a lamp driving signal for driving a lamp according to the first synchronized signal and a lamp brightness signal for controlling brightness of the lamp according to the second synchronized signal.
摘要翻译：一种与用于液晶显示器（LCD）的图像信号同步的背光单元，其可以将灯驱动信号和灯亮度信号的频率与使用的图像信号的水平同步信号和垂直同步信号的频率同步在LCD面板上。背光单元包括产生与具有预置频率的水平同步信号同步的第一同步信号的同步部分和与具有与水平同步信号的频率不同的频率的垂直同步信号同步的第二同步信号，以及信号根据第一同步信号产生用于驱动灯的灯驱动信号的发生部分和根据第二同步信号控制灯的亮度的灯亮度信号。

8. 发明申请

US20060284570A1 DRIVING APPARATUS FOR CCFL 失效
标题翻译： CCFL的驱动装置
公开(公告)号：US20060284570A1
公开(公告)日：2006-12-21
申请号：US11420944
申请日：2006-05-30
申请人： JUNG CHUL GONG , BYOUNG OWN MIN
发明人： JUNG CHUL GONG , BYOUNG OWN MIN
IPC分类号： H05B41/36
CPC分类号： H05B41/282 , Y02B20/183 , Y10S315/05
摘要： The invention relates to a driving apparatus for a CCFL capable of easily providing a high output required to start the lamp. In the apparatus, an oscillator provides a reference signal in accordance with a lamp-on condition or a lamp-out condition. According to the invention, a tuning capacitor current of an oscillator is increased so that a switching speed of an inverter becomes faster in the lamp-out condition than in the lamp-on condition, thereby satisfying the voltage required to start the lamp.
摘要翻译：本发明涉及一种用于CCFL的驱动装置，其能够容易地提供启动灯所需的高输出。在该装置中，振荡器根据点灯状态或灯熄灭状况提供参考信号。根据本发明，振荡器的调谐电容器电流增加，使得在熄灯状态下逆变器的切换速度比在点灯状态下变得更快，从而满足启动灯所需的电压。

9. 发明授权

US09112353B2 Power supply device 有权
标题翻译：电源设备
公开(公告)号：US09112353B2
公开(公告)日：2015-08-18
申请号：US13402808
申请日：2012-02-22
申请人： Jung Chul Gong , Hwan Cho
发明人： Jung Chul Gong , Hwan Cho
IPC分类号： H02H9/02 , H02H3/093 , H02H3/027 , H02M1/32
CPC分类号： H02H3/093 , H02H3/027 , H02M1/32
摘要： Disclosed herein is a power supply device. The power supply device includes a conversion unit converting an applied voltage into a predetermined level, a switching unit performing an opening operation or a closing operation to control a current flowing in the conversion unit, a sensing unit sensing an occurrence of overcurrent when a voltage applied to the switching unit is equal to or larger than a reference voltage set in advance, and a control unit performing a protection operation when the overcurrent is sensed again within a protection time set in advance after a predetermined time is delayed from the time at which the overcurrent is sensed, so that malfunction due to noise is prevented.
摘要翻译：这里公开了电源装置。电源装置包括将施加的电压转换为预定电平的转换单元，执行打开操作或闭合操作以控制在转换单元中流动的电流的开关单元;感测单元，其感测当施加的电压时发生过电流切换单元等于或大于预先设定的参考电压，以及控制单元，当在预定时间之后预先设定的保护时间内再次检测到过电流时，执行保护动作，该预定时间从感测到过电流，从而防止由于噪声引起的故障。

10. 发明授权

US08269429B2 Apparatus for driving light emitting device 有权
标题翻译：用于驱动发光装置的装置
公开(公告)号：US08269429B2
公开(公告)日：2012-09-18
申请号：US12578823
申请日：2009-10-14
申请人： Sang Cheol Shin , Byoung Own Min , Jung Chul Gong , Bon Ahm Goo
发明人： Sang Cheol Shin , Byoung Own Min , Jung Chul Gong , Bon Ahm Goo
IPC分类号： H05B37/02 , H05B39/04 , H05B41/36 , H05B37/00 , H05B39/00 , H05B41/00
CPC分类号： H05B33/0815 , H05B33/0851 , Y02B20/341 , Y02B20/347
摘要： An apparatus for driving a light emitting device according to an aspect of the invention may include: a DC/DC converter unit generating driving power on the basis of an input voltage and supplying the generated driving power to an anode of a light emitting unit including a plurality of light emitting devices; a current source controlling to keep current flowing through the light emitting unit constant; a feedback circuit unit detecting voltage at a cathode of the light emitting unit; and a feedback coupling circuit unit coupling the output of the feedback circuit unit and the input of the DC/DC converter unit to supply the input voltage of the DC/DC converter unit according to the voltage detected by the feedback circuit unit and an output voltage of the DC/DC converter unit.
摘要翻译：根据本发明的一个方面的用于驱动发光器件的装置可以包括：DC / DC转换器单元，其基于输入电压产生驱动电力并将所产生的驱动功率提供给包括发光单元的发光单元的阳极多个发光装置; 电流源，用于保持电流流过所述发光单元恒定; 检测所述发光单元的阴极处的电压的反馈电路单元; 以及反馈耦合电路单元，其将反馈电路单元的输出和DC / DC转换器单元的输入耦合，以根据由反馈电路单元检测到的电压和DC / DC转换器单元的输出电压来提供DC / DC转换器单元的输入电压的DC / DC转换器单元。

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