公开(公告)号：US08274805B2

公开(公告)日：2012-09-25

申请号：US12258564

申请日：2008-10-27

申请人： Jin Wook Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Jong Sun Kim ,  Dong Seong Oh ,  Jae Sun Won ,  Jong Hae Kim

发明人： Jin Wook Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Jong Sun Kim ,  Dong Seong Oh ,  Jae Sun Won ,  Jong Hae Kim

IPC分类号： H02M3/18 ,  G05F1/62

CPC分类号： H02M7/5383 ,  H02M7/103

摘要： There is provided a high voltage power supply capable of reducing voltage stress of a voltage multiplying device. The high voltage power supply includes: a power converter switching on/off and converting an input direct current power into a direct current power having a preset voltage level; and a voltage multiplier including a first multiplying cell multiplying the voltage level of the direct current power from the power converter, wherein the first multiplying cell includes: first and second capacitors charging the direct current power from the power converter, respectively; a first diode providing a path for transferring the direct current power when the power converter is switched off; and a second diode providing a path for transferring the direct current power when the power converter is switched on.

摘要翻译： 提供能够降低电压倍增装置的电压应力的高压电源。 所述高压电源包括：电源转换器，其接通/断开并将输入直流电转换为具有预设电压电平的直流电; 以及电压倍增器，包括将来自所述功率转换器的直流电力的电压电平相乘的第一乘法单元，其中，所述第一乘法单元包括：分别从所述功率转换器对直流电力充电的第一和第二电容器; 提供当功率转换器关闭时传送直流电力的路径的第一二极管; 以及第二二极管，其在电源转换器接通时提供用于传送直流电力的路径。

公开(公告)号：US07915757B2

公开(公告)日：2011-03-29

申请号：US12243837

申请日：2008-10-01

申请人： Jong Hae Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh

发明人： Jong Hae Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh

IPC分类号： H02J3/12

CPC分类号： H02M3/33561 ,  Y02B70/1433 ,  Y10T307/406

摘要： Disclosed is a multi-output DC/DC converter controlling power-conversion switching in synchronization with a frequency of one output voltage among multiple output voltages in an LLC resonant DC/DC converter. The multi-output DC/DC converter includes a power conversion circuit performing alternate switching on an input DC voltage to output multiple DC voltages including a first DC voltage and a second DC voltage each having a preset voltage level, and a control circuit controlling the alternate switching of the power conversion circuit in synchronization with a preset resonant frequency.

摘要翻译： 公开了一种多路输出DC / DC转换器，其在LLC谐振DC / DC转换器的多个输出电压中与一个输出电压的频率同步地控制电源转换开关。 多输出DC / DC转换器包括电源转换电路，其对输入的DC电压执行交替切换，以输出包括具有预设电压电平的第一DC电压和第二DC电压的多个DC电压;以及控制电路 与预设的谐振频率同步地切换功率转换电路。

公开(公告)号：US20090243388A1

公开(公告)日：2009-10-01

申请号：US12243837

申请日：2008-10-01

申请人： Jong Hae KIM ,  Sug Chin Sakong ,  Sung So Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh

发明人： Jong Hae KIM ,  Sug Chin Sakong ,  Sung So Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh

IPC分类号： H02M3/335

CPC分类号： H02M3/33561 ,  Y02B70/1433 ,  Y10T307/406

摘要： Disclosed is a multi-output DC/DC converter controlling power-conversion switching in synchronization with a frequency of one output voltage among multiple output voltages in an LLC resonant DC/DC converter. The multi-output DC/DC converter includes a power conversion circuit performing alternate switching on an input DC voltage to output multiple DC voltages including a first DC voltage and a second DC voltage each having a preset voltage level, and a control circuit controlling the alternate switching of the power conversion circuit in synchronization with a preset resonant frequency.

摘要翻译： 公开了一种多路输出DC / DC转换器，其在LLC谐振DC / DC转换器的多个输出电压中与一个输出电压的频率同步地控制电源转换开关。 多输出DC / DC转换器包括电源转换电路，其对输入的DC电压执行交替切换，以输出包括具有预设电压电平的第一DC电压和第二DC电压的多个DC电压;以及控制电路 与预设的谐振频率同步地切换功率转换电路。

公开(公告)号：US20070183172A1

公开(公告)日：2007-08-09

申请号：US11565549

申请日：2006-11-30

申请人： Don Sik KIM ,  Sug Chin Sakong ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Young Seung Roh ,  Kwang Seung Cho

发明人： Don Sik KIM ,  Sug Chin Sakong ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Young Seung Roh ,  Kwang Seung Cho

IPC分类号： H02M3/335

CPC分类号： H02M3/335

摘要： Provided is a flyback DC/DC converter for a power supply. In the flyback DC/DC converter, a flyback driver unit provides a primary current. A transformer includes a plurality of secondary coils for inducing energy from the primary coil receiving the primary current. A rectifier unit includes a plurality of rectifier diodes for rectifying secondary currents of the corresponding secondary coils of the transformer. A plurality of clamp diodes are connected in series to the corresponding rectifier diodes of the rectifier unit in a forward direction to clamp ringing voltage across the corresponding rectifier diodes when the power switch is turned off. Accordingly, the voltage across the rectifier diode on the secondary side can be reduced such that it is lower than the output voltage. Also, it is possible to remove the ringing voltage of the rectifier diode and to enhance the efficiency of the flyback DC/DC converter.

摘要翻译： 提供用于电源的反激式DC / DC转换器。 在反激式DC / DC转换器中，反激驱动器单元提供初级电流。 变压器包括用于从接收初级电流的初级线圈引起能量的多个次级线圈。 整流器单元包括用于整流变压器的相应次级线圈的次级电流的多个整流二极管。 多个钳位二极管在正向上串联连接到整流器单元的对应整流二极管，以在电源开关断开时钳位相应整流二极管的振荡电压。 因此，可以减小二次侧的整流二极管两端的电压，使其低于输出电压。 此外，可以去除整流二极管的振铃电压并提高反激式DC / DC转换器的效率。

公开(公告)号：US07616086B2

公开(公告)日：2009-11-10

申请号：US11964521

申请日：2007-12-26

申请人： Gie Hyoun Kweon ,  Sug Chin Sakong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Sung Soo Hong ,  Jong Rak Kim

发明人： Gie Hyoun Kweon ,  Sug Chin Sakong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Sung Soo Hong ,  Jong Rak Kim

IPC分类号： H01F27/30

CPC分类号： H01F3/10 ,  H01F27/29 ,  H01F27/306 ,  H01F27/325

摘要： There is provided an integrated type transformer that reduces the volume by integrating a plurality of transformers transmitting power for driving a plurality of lamps in an inverter circuit for an LCD into one transformer structure. An integrated type transformer according to an aspect of the invention includes a bobbin unit including a bobbin body having a predetermined length and a through hole therein in a longitudinal direction of the bobbin unit, and a core unit including an inner core inserted into the through hole of the bobbin unit, and an outer core formed along one surface in the longitudinal direction among outer circumferential surfaces of the bobbin unit and electromagnetically coupled to the inner core to form one magnetic path.

摘要翻译： 提供了一种集成型变压器，通过将用于驱动LCD的逆变器电路中的多个灯的功率的多个变压器集成成一个变压器结构来减小体积。 根据本发明的一个方面的集成型变压器包括：线轴单元，其包括具有预定长度的线轴体和沿着所述线轴单元的纵向的通孔，以及芯单元，所述芯单元包括插入所述通孔中的内芯 以及在所述筒管单元的外周面之中沿着长度方向的一个表面形成的外芯，并且与所述内芯电磁耦合以形成一个磁路。

公开(公告)号：US20090021179A1

公开(公告)日：2009-01-22

申请号：US12044683

申请日：2008-03-07

申请人： Jin Wook KIM ,  Dong Seong Oh ,  Jong Duck Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Dea Min Jang ,  Sung Ho Kim ,  Jin Woo Cho ,  Kwang Seung Cho

发明人： Jin Wook KIM ,  Dong Seong Oh ,  Jong Duck Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Dea Min Jang ,  Sung Ho Kim ,  Jin Woo Cho ,  Kwang Seung Cho

IPC分类号： H05B41/24

CPC分类号： H05B41/282 ,  H05B41/2822 ,  Y02B20/183

摘要： There is provided a backlight driving system for a liquid crystal display that can reduce size and weight of a product because a DC-DC converter is not used when commercial AC power is converted into lamp driving power. A backlight driving system for a liquid crystal display according to an aspect of the invention includes a power supply unit converting commercial alternating current (AC) power into direct current (DC) power having a voltage level set beforehand, an inverter unit converting the DC power from the power supply unit into AC power at a one-to-one conversion ratio set beforehand, a boosting unit boosting the AC power from the inverter unit into lamp lighting power set beforehand; and a lamp group receiving the lamp lighting power from the boosting unit to emit light.

摘要翻译： 提供了一种用于液晶显示器的背光驱动系统，其可以减小商品的尺寸和重量，因为当商业AC电力被转换成灯驱动功率时，不使用DC-DC转换器。 根据本发明的一个方面的用于液晶显示器的背光驱动系统包括将商用交流（AC）电力转换为预先设定的电压电平的直流（DC）电力的电源单元，将直流电力 从所述电源单元以预先设定的一对一转换比从所述电源单元输入到交流电力;升压单元，其将来自所述逆变器单元的交流电力提前预先设定为灯发光功率; 以及灯组，其从所述升压单元接收所述灯的点亮功率以发光。

公开(公告)号：US20080231404A1

公开(公告)日：2008-09-25

申请号：US11964521

申请日：2007-12-26

申请人： Gie Hyoun KWEON ,  Sug Chin Sakong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Sung Soo Hong ,  Jong Rak Kim

发明人： Gie Hyoun KWEON ,  Sug Chin Sakong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Sung Soo Hong ,  Jong Rak Kim

IPC分类号： H01F27/29 ,  H01F27/30

CPC分类号： H01F3/10 ,  H01F27/29 ,  H01F27/306 ,  H01F27/325

摘要： There is provided an integrated type transformer that reduces the volume by integrating a plurality of transformers transmitting power for driving a plurality of lamps in an inverter circuit for an LCD into one transformer structure. An integrated type transformer according to an aspect of the invention includes a bobbin unit including a bobbin body having a predetermined length and a through hole therein in a longitudinal direction of the bobbin unit, and a core unit including an inner core inserted into the through hole of the bobbin unit, and an outer core formed along one surface in the longitudinal direction among outer circumferential surfaces of the bobbin unit and electromagnetically coupled to the inner core to form one magnetic path.

摘要翻译： 提供了一种集成型变压器，通过将用于驱动LCD的逆变器电路中的多个灯的功率的多个变压器集成成一个变压器结构来减小体积。 根据本发明的一个方面的集成型变压器包括：线轴单元，其包括具有预定长度的线轴体和沿着所述线轴单元的纵向的通孔，以及芯单元，所述芯单元包括插入所述通孔中的内芯 以及在所述筒管单元的外周面之中沿着长度方向的一个表面形成的外芯，并且与所述内芯电磁耦合以形成一个磁路。

公开(公告)号：US07663322B2

公开(公告)日：2010-02-16

申请号：US12044683

申请日：2008-03-07

申请人： Jin Wook Kim ,  Dong Seong Oh ,  Jong Duck Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Dea Min Jang ,  Sung Ho Kim ,  Jin Woo Cho ,  Kwang Seung Cho

发明人： Jin Wook Kim ,  Dong Seong Oh ,  Jong Duck Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Dea Min Jang ,  Sung Ho Kim ,  Jin Woo Cho ,  Kwang Seung Cho

IPC分类号： H05B41/16

CPC分类号： H05B41/282 ,  H05B41/2822 ,  Y02B20/183

摘要： There is provided a backlight driving system for a liquid crystal display that can reduce size and weight of a product because a DC-DC converter is not used when commercial AC power is converted into lamp driving power. A backlight driving system for a liquid crystal display according to an aspect of the invention includes a power supply unit converting commercial alternating current (AC) power into direct current (DC) power having a voltage level set beforehand, an inverter unit converting the DC power from the power supply unit into AC power at a one-to-one conversion ratio set beforehand, a boosting unit boosting the AC power from the inverter unit into lamp lighting power set beforehand; and a lamp group receiving the lamp lighting power from the boosting unit to emit light.

摘要翻译： 提供了一种用于液晶显示器的背光驱动系统，其可以减小商品的尺寸和重量，因为当商业AC电力被转换成灯驱动功率时，不使用DC-DC转换器。 根据本发明的一个方面的用于液晶显示器的背光驱动系统包括将商用交流（AC）电力转换为预先设定的电压电平的直流（DC）电力的电源单元，将直流电力 从所述电源单元以预先设定的一对一转换比从所述电源单元输入到交流电力;升压单元，其将来自所述逆变器单元的交流电力提前预先设定为灯发光功率; 以及灯组，其从所述升压单元接收所述灯的点亮功率以发光。

公开(公告)号：US20090251120A1

公开(公告)日：2009-10-08

申请号：US12258564

申请日：2008-10-27

申请人： Jin Wook KIM ,  Sug Chin SAKONG ,  Sung Soo HONG ,  Sang Kyoo HAN ,  Chung Wook ROH ,  Jong Sun KIM ,  Dong Seong OH ,  Jae Sun WON ,  Jong Hae KIM

发明人： Jin Wook KIM ,  Sug Chin SAKONG ,  Sung Soo HONG ,  Sang Kyoo HAN ,  Chung Wook ROH ,  Jong Sun KIM ,  Dong Seong OH ,  Jae Sun WON ,  Jong Hae KIM

IPC分类号： G05F1/10

CPC分类号： H02M7/5383 ,  H02M7/103

摘要： There is provided a high voltage power supply capable of reducing voltage stress of a voltage multiplying device. The high voltage power supply includes: a power converter switching on/off and converting an input direct current power into a direct current power having a preset voltage level; and a voltage multiplier including a first multiplying cell multiplying the voltage level of the direct current power from the power converter, wherein the first multiplying cell includes: first and second capacitors charging the direct current power from the power converter, respectively; a first diode providing a path for transferring the direct current power when the power converter is switched off; and a second diode providing a path for transferring the direct current power when the power converter is switched on.

摘要翻译： 提供能够降低电压倍增装置的电压应力的高压电源。 所述高压电源包括：电源转换器，其接通/断开并将输入直流电转换为具有预设电压电平的直流电; 以及电压倍增器，包括将来自所述功率转换器的直流电力的电压电平相乘的第一乘法单元，其中，所述第一乘法单元包括：分别从所述功率转换器对直流电力充电的第一和第二电容器; 提供当功率转换器关闭时传送直流电力的路径的第一二极管; 以及第二二极管，其在电源转换器接通时提供用于传送直流电力的路径。

公开(公告)号：US07505289B2

公开(公告)日：2009-03-17

申请号：US11565549

申请日：2006-11-30

申请人： Don Sik Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Young Seung Roh ,  Kwang Seung Cho

发明人： Don Sik Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Young Seung Roh ,  Kwang Seung Cho

IPC分类号： H02H7/125 ,  H02M3/335

CPC分类号： H02M3/335

摘要： Provided is a flyback DC/DC converter for a power supply. In the flyback DC/DC converter, a flyback driver unit provides a primary current. A transformer includes a plurality of secondary coils for inducing energy from the primary coil receiving the primary current. A rectifier unit includes a plurality of rectifier diodes for rectifying secondary currents of the corresponding secondary coils of the transformer. A plurality of clamp diodes are connected in series to the corresponding rectifier diodes of the rectifier unit in a forward direction to clamp ringing voltage across the corresponding rectifier diodes when the power switch is turned off. Accordingly, the voltage across the rectifier diode on the secondary side can be reduced such that it is lower than the output voltage. Also, it is possible to remove the ringing voltage of the rectifier diode and to enhance the efficiency of the flyback DC/DC converter.

摘要翻译： 提供用于电源的反激式DC / DC转换器。 在反激式DC / DC转换器中，反激驱动器单元提供初级电流。 变压器包括用于从接收初级电流的初级线圈引起能量的多个次级线圈。 整流器单元包括用于整流变压器的相应次级线圈的次级电流的多个整流二极管。 多个钳位二极管在正向上串联连接到整流器单元的对应整流二极管，以在电源开关断开时钳位相应整流二极管的振荡电压。 因此，可以减小二次侧的整流二极管两端的电压，使其低于输出电压。 此外，可以去除整流二极管的振铃电压并提高反激式DC / DC转换器的效率。