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1. 发明申请

US20110227688A1 PLANAR TRANSFORMER 审中-公开
标题翻译：平面变压器
公开(公告)号：US20110227688A1
公开(公告)日：2011-09-22
申请号：US13028722
申请日：2011-02-16
申请人： Geun Young PARK , Sung Ho KIM , Sang Joon SEO , Kwang Seung CHO , Heung Gyoon CHOI
发明人： Geun Young PARK , Sung Ho KIM , Sang Joon SEO , Kwang Seung CHO , Heung Gyoon CHOI
IPC分类号： H01F27/28
CPC分类号： H01F27/2804 , H01F2027/2819
摘要： There is provided a planar transformer having improved performance through a reduction in heat generation by removing part of a conductor from a substrate. The planar transformer includes a core part having a pair of cores being electromagnetically coupled to each other; a substrate part having at least one substrate disposed between the pair of cores; a pattern part formed on the at least one substrate and including a conductor having an adjustable width; and an opening part including a non-conductor allowing for variations in the width of the conductor of the pattern part.
摘要翻译：提供一种平面变压器，其通过从衬底去除部分导体而减少发热而具有改进的性能。平面变压器包括具有彼此电磁耦合的一对芯的芯部; 衬底部分，其具有布置在所述一对芯之间的至少一个衬底; 形成在所述至少一个基板上并且包括具有可调节宽度的导体的图案部分; 以及包括允许图案部分的导体的宽度变化的非导体的开口部分。

2. 发明申请

US20090316455A1 SWITCHING MODE POWER SUPPLY CIRCUIT 有权
标题翻译：切换模式电源电路
公开(公告)号：US20090316455A1
公开(公告)日：2009-12-24
申请号：US12246907
申请日：2008-10-07
申请人： Sung Ho KIM , Kwang Seung CHO , Heung Gyoon CHOI
发明人： Sung Ho KIM , Kwang Seung CHO , Heung Gyoon CHOI
IPC分类号： H02M7/04
CPC分类号： H02M1/4225 , H02M2001/0032 , Y02B70/126 , Y02B70/16
摘要： A switching mode power supply (SMPS) circuit includes: a rectifying unit that rectifies an AC voltage applied from an AC input terminal; a power factor correction (PFC) and standby voltage output unit that is connected to the rectifying unit and has a PFC part and a standby voltage output part integrated therein; a PFC and standby voltage control unit that is connected to the PFC and standby voltage output unit and controlling the PFC and standby voltage output unit; and a DC/DC conversion unit that is connected to the PFC and standby voltage output unit and outputting a main voltage.
摘要翻译：开关电源（SMPS）电路包括：整流单元，对从交流输入端施加的交流电压进行整流; 功率因数校正（PFC）和待机电压输出单元，其连接到整流单元并且具有集成在其中的PFC部分和待机电压输出部分; PFC和备用电压控制单元，连接到PFC和备用电压输出单元，并控制PFC和备用电压输出单元; 以及连接到PFC和待机电压输出单元并输出主电压的DC / DC转换单元。

3. 发明申请

US20110176282A1 FLAT PANEL DISPLAY DEVICE AND COMMON MODE FILTER USED THEREFOR 审中-公开
标题翻译：平板显示设备和共用模式滤波器
公开(公告)号：US20110176282A1
公开(公告)日：2011-07-21
申请号：US13009555
申请日：2011-01-19
申请人： Deuk Hoon KIM , Jong Hae KIM , Young Se KIM , Sang Joon SEO , Heung Gyoon CHOI , Young Min LEE , Myeong Sik CHEON
发明人： Deuk Hoon KIM , Jong Hae KIM , Young Se KIM , Sang Joon SEO , Heung Gyoon CHOI , Young Min LEE , Myeong Sik CHEON
IPC分类号： H05K5/00 , H05K7/00
CPC分类号： G02F1/13452 , H03H1/0007
摘要： There is provided a flat panel display device, including: a display panel; a printed circuit board on which a circuit component driving the display panel is mounted; a common mode filter mounted on the printed circuit board and including coils wound in parallel with the printed circuit board; and a cover protecting the display panel and the printed circuit board.
摘要翻译：提供一种平板显示装置，包括：显示面板; 安装驱动显示面板的电路部件的印刷电路板; 安装在印刷电路板上并包括与印刷电路板并联缠绕的线圈的共模滤波器; 以及保护显示面板和印刷电路板的盖。

4. 发明申请

US20120154969A1 OVERCURRENT DETECTION CIRCUIT OF LIGHT EMITTING MODULE 审中-公开
标题翻译：发光模块的过流检测电路
公开(公告)号：US20120154969A1
公开(公告)日：2012-06-21
申请号：US13085534
申请日：2011-04-13
申请人： Jin Hwan KIM , Young Su JANG , Heung Gyoon CHOI , Sung Ho KIM
发明人： Jin Hwan KIM , Young Su JANG , Heung Gyoon CHOI , Sung Ho KIM
IPC分类号： H02H9/02
CPC分类号： G01R19/16571
摘要： There is provided an overcurrent detection circuit of a light emitting module, including: a clamping circuit unit 100 detecting a detection voltage Vd from a detection connection node Nd connected to a cathode terminal NC of a light emitting module 50 including at least one light emitting element and clamping the detection voltage Vd to a preset clamping voltage VCL; and an abnormality detection unit 200 determining a voltage V10 clamped by the clamping circuit unit 100 to be overcurrent and generating an overcurrent detection signal, when the voltage clamped by the clamping circuit unit is lower than a preset first reference voltage VREF1.
摘要翻译：提供了一种发光模块的过电流检测电路，包括：钳位电路单元100，其从连接到发光模块50的阴极端子NC的检测连接节点Nd检测检测电压Vd，该发光模块50包括至少一个发光元件并将检测电压Vd钳位到预设的钳位电压VCL; 以及当由钳位电路单元钳位的电压低于预设的第一参考电压VREF1时，将由钳位电路单元100钳位的电压V10确定为过电流并产生过电流检测信号的异常检测单元200。

5. 发明申请

US20100309644A1 POWER MODULE AND DISPLAY DEVICE 审中-公开
标题翻译：电源模块和显示设备
公开(公告)号：US20100309644A1
公开(公告)日：2010-12-09
申请号：US12790454
申请日：2010-05-28
申请人： Heung Gyoon CHOI , Jin Woo CHO , Sung Ho KIM
发明人： Heung Gyoon CHOI , Jin Woo CHO , Sung Ho KIM
IPC分类号： H05K9/00
CPC分类号： G02F1/133602 , G02F1/13452 , G02F2001/133334
摘要： There are provided a power module and a display device. There is provided the power module for a display device that includes a panel, a backlight unit supporting the panel and including a light source, and a conductive back cover coupled to the backlight unit, the power module including: a circuit board supplying power to the light source included in the backlight unit; a transformer mounted on the circuit board and supplying power to the circuit board; and a shielding plate mounted on the circuit board and covering, in a non-contact manner, the upper surface of the transformer opposed to the lower surface 401 of the transformer facing the surface of the circuit board. There is provided a display device including such a power module.
摘要翻译：提供了电源模块和显示装置。提供了一种用于显示装置的电源模块，其包括面板，支撑面板并包括光源的背光单元和耦合到背光单元的导电后盖，电源模块包括：电路板，用于向光源包括在背光单元中; 安装在电路板上的变压器并向电路板供电; 以及屏蔽板，其安装在电路板上，并以非接触的方式覆盖变压器的与面向电路板表面的下表面401相对的上表面。提供了包括这种电源模块的显示装置。

6. 发明申请

US20100237799A1 LED DRIVING CIRCUIT 有权
标题翻译： LED驱动电路
公开(公告)号：US20100237799A1
公开(公告)日：2010-09-23
申请号：US12473712
申请日：2009-05-28
申请人： Heung Gyoon CHOI , Sung Soo Hong , Sang Kyoo Han , Chung Wook Roh , Sang Ho Cho , Sang Hyun Lee , Sung Ho Kim , Tae Hyung Kang , Jae Sun Won
发明人： Heung Gyoon CHOI , Sung Soo Hong , Sang Kyoo Han , Chung Wook Roh , Sang Ho Cho , Sang Hyun Lee , Sung Ho Kim , Tae Hyung Kang , Jae Sun Won
IPC分类号： H05B37/02
CPC分类号： H02M3/285 , H05B33/0815 , Y02B20/346 , Y02B20/347 , Y02B20/348
摘要： The present invention provides an LED driving circuit including: an inverter unit for switching an input power source; a plurality of transformers including a plurality of primary windings connected to the inverter unit and connected to each other in series and a plurality of secondary windings each of which is coupled with each of the primary windings; a plurality of rectification units each of which is connected to each of the secondary windings; and a plurality of LEDs each of which is connected to each of the rectification units.
摘要翻译：本发明提供一种LED驱动电路，包括：用于切换输入电源的逆变器单元; 多个变压器，包括连接到逆变器单元并且彼此串联连接的多个初级绕组和多个次级绕组，每个次级绕组与每个初级绕组耦合; 多个整流单元，每个整流单元连接到每个次级绕组; 以及多个LED，其各自连接到每个整流单元。

7. 发明申请

US20090109717A1 POWER FACTOR CORRECTED CIRCUIT HAVING INTEGRATED COIL 审中-公开
标题翻译：具有集成线圈的功率因数校正电路
公开(公告)号：US20090109717A1
公开(公告)日：2009-04-30
申请号：US12035696
申请日：2008-02-22
申请人： Dong Kyun RYU , Heung Gyoon CHOI , Dmitry BERDNIKOV
发明人： Dong Kyun RYU , Heung Gyoon CHOI , Dmitry BERDNIKOV
IPC分类号： H02M7/06
CPC分类号： H02M1/4225 , H01F3/12 , H01F3/14 , H01F37/00 , H02J7/025 , Y02B70/126 , Y02P80/112
摘要： There is provided a power factor corrected circuit having an integrated coil in which a plurality of inductors that have been separately used for circuits are wound around one core. The power factor corrected circuit includes a rectifying unit for rectifying a common AC power supply; a coil unit for controlling the change in electric current of the rectified power supply from the rectifying unit according to the switching operation; and a switching unit for complementarily switching the power supply from the coil unit, wherein the coil unit has a core including first and second coils electrically coupled to each other; and first, second and third legs magnetically coupled to each other, and the first coil is wound around the first leg, the second coil is wound around the second leg, and the third leg is combined with the first and the second leg to form magnetic flux paths, respectively.
摘要翻译：提供了具有集成线圈的功率因数校正电路，其中已经分别用于电路的多个电感器缠绕在一个芯上。所述功率因数校正电路包括：整流单元，用于对公共AC电源进行整流; 线圈单元，用于根据开关动作控制整流电源的整流电源的电流变化; 以及切换单元，用于互补地切换来自线圈单元的电源，其中线圈单元具有包括彼此电耦合的第一和第二线圈的芯; 并且第一和第三支腿彼此磁耦合，并且第一线圈围绕第一支腿缠绕，第二线圈围绕第二支腿缠绕，并且第三支腿与第一和第二支腿结合以形成磁性磁通路径。

8. 发明申请

US20110260631A1 MULTI POWER SUPPLY APPARATUS FOR DRIVING LIGHT EMITTING DIODES 有权
标题翻译：用于驱动发光二极管的多电源设备
公开(公告)号：US20110260631A1
公开(公告)日：2011-10-27
申请号：US13017695
申请日：2011-01-31
申请人： Sang Gab PARK , Heung Gyoon CHOI , Nam Jin PARK , Tae Shik KIM , Tae Hyung KANG
发明人： Sang Gab PARK , Heung Gyoon CHOI , Nam Jin PARK , Tae Shik KIM , Tae Hyung KANG
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , Y02B20/346
摘要： There is provided a multi power supply apparatus for driving light emitting diodes that is synchronized with a frequency of one output power of multi output power to control a switching of the multi output power and simplifies power conversion in supplying power for driving light emitting diodes. The multi power supply apparatus for driving light emitting diodes includes a power converter that converts an input power into a first power according to a preset first conversion scheme and converts the input power into a second power according to a second conversion scheme set to be different from the first conversion scheme; first and second drivers that receive the first power and the second power from the power converter to drive light emitting diodes; a feedback unit that feedbacks detection signal from the first and second LED drivers; and a power conversion controller that controls a power conversion switching frequency of the first power of the power converter according to the detection signal from the feedback unit and is synchronized with the power conversion switching frequency to control a duty of the second power of the converter.
摘要翻译：提供了一种用于驱动与多输出功率的一个输出功率的频率同步的发光二极管的多电源装置，以控制多输出功率的切换，并且简化了用于驱动发光二极管的电力的功率转换。用于驱动发光二极管的多电源装置包括：功率转换器，其根据预设的第一转换方案将输入功率转换为第一功率，并根据设置为不同于第二转换方案的第二转换方案将输入功率转换为第二功率第一个转换方案; 接收来自功率转换器的第一和第二驱动器驱动发光二极管的第一和第二驱动器; 反馈单元，反馈来自第一和第二LED驱动器的检测信号; 以及电力转换控制器，其根据来自反馈单元的检测信号来控制功率转换器的第一功率的功率转换开关频率，并与功率转换开关频率同步，以控制转换器的第二功率的占空比。

9. 发明申请

US20130169180A1 DC/DC CONVERTER AND DRIVING APPARATUS HAVING THE SAME 失效
标题翻译： DC / DC转换器和驱动装置
公开(公告)号：US20130169180A1
公开(公告)日：2013-07-04
申请号：US13420229
申请日：2012-03-14
申请人： Sang Gab PARK , Nam Jin PARK , Heung Gyoon CHOI , Han Hee LEE , Hyo Joong AN , Kyu Min PARK , Su Hun JO
发明人： Sang Gab PARK , Nam Jin PARK , Heung Gyoon CHOI , Han Hee LEE , Hyo Joong AN , Kyu Min PARK , Su Hun JO
IPC分类号： H05B37/02
CPC分类号： H02M3/33592 , H05B33/0896 , Y02B70/1475
摘要： There are provided a DC/DC converter and a driving apparatus having the same. The DC/DC converter includes a DC/DC converter part converting an input power into a predetermined DC power by switching the input power to thereby supply the converted DC power to a light emitting device; and a control part controlling switching of the DC/DC converter part in accordance with a driving signal applied to the light emitting device to thereby control a voltage level of the DC power.
摘要翻译：提供了一种DC / DC转换器和具有该DC / DC转换器的驱动装置。 DC / DC转换器包括DC / DC转换器部分，其通过切换输入功率将输入功率转换为预定的DC功率，从而将转换的DC功率提供给发光器件; 以及控制部分，根据施加到发光器件的驱动信号来控制DC / DC转换器部分的切换，从而控制DC电力的电压电平。

10. 发明申请

US20110204804A1 BACKLIGHT UNIT DRIVER 失效
标题翻译：背光单元驱动器
公开(公告)号：US20110204804A1
公开(公告)日：2011-08-25
申请号：US13022030
申请日：2011-02-07
申请人： Sang Kyoo HAN , Sung Soo HONG , Chung Wook ROH , Sang Gab PARK , Kyu Min PARK , Young Seung ROH , Heung Gyoon CHOI , Nam Jin PARK
发明人： Sang Kyoo HAN , Sung Soo HONG , Chung Wook ROH , Sang Gab PARK , Kyu Min PARK , Young Seung ROH , Heung Gyoon CHOI , Nam Jin PARK
IPC分类号： H05B37/02
CPC分类号： H05B33/0827
摘要： There is provided a backlight unit driver capable of driving multi-channel lamps of a backlight unit, especially LED lamps, by supplying a driving power to the lamps using a single transformer and maintaining the current balance of the driving power supplied to each of the lamps.
摘要翻译：提供了一种背光单元驱动器，其能够通过使用单个变压器向灯施加驱动电力并且保持提供给每个灯的驱动功率的当前平衡来驱动背光单元，特别是LED灯的多通道灯。

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