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1. 发明授权

US08698587B2 Transformer 有权
标题翻译：变压器
公开(公告)号：US08698587B2
公开(公告)日：2014-04-15
申请号：US13175660
申请日：2011-07-01
申请人： Geun Young Park , Sang Joon Seo , Choong Sik Yoo , Heung Gyoon Choi , Moo Jong Kang , Hwi Beom Shin , Young Min Lee , Jong Hae Kim
发明人： Geun Young Park , Sang Joon Seo , Choong Sik Yoo , Heung Gyoon Choi , Moo Jong Kang , Hwi Beom Shin , Young Min Lee , Jong Hae Kim
IPC分类号： H01F27/29
CPC分类号： H01F27/325 , H01F27/2828 , H01F27/306 , H01F2005/025
摘要： There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof, a flange part vertically protruding outwardly from both ends of the body part, and external connection terminals protruding from one side of a lower flange part formed at a lower end of the body part; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an inner bobbin and an outer bobbin, and the inner bobbin is coupled to the outer bobbin such that the external connection terminals of the inner bobbin and the external connection terminals of the outer bobbin are opposed to each other.
摘要翻译：提供了能够用于诸如液晶显示器（LCD）装置和发光二极管（LED）显示装置的薄型显示装置中的薄型变压器。变压器包括：包括多个线轴的绕线筒部，每个线轴均包括在其内部形成有通孔的管状主体部，从主体部的两端向外突出的凸缘部，以及外部连接端子从形成在本体部的下端的下凸缘部的一侧突出; 插入到筒管的通孔中的芯体，从而形成磁路; 以及线圈部，其包括卷绕在所述多个线轴上的线圈，所述线轴部包括内筒管和外筒管，所述内筒管与所述外筒管结合，使得所述内筒管的外部连接端子和所述外筒外筒管的连接端子彼此相对。

2. 发明申请

US20120001717A1 TRANSFORMER 有权
标题翻译：变压器
公开(公告)号：US20120001717A1
公开(公告)日：2012-01-05
申请号：US13175660
申请日：2011-07-01
申请人： Geun Young PARK , Sang Joon Seo , Choong Sik Yoo , Heung Gyoon Choi , Moo Jong Kang , Hwi Beom Shin , Young Min Lee , Jong Hae Kim
发明人： Geun Young PARK , Sang Joon Seo , Choong Sik Yoo , Heung Gyoon Choi , Moo Jong Kang , Hwi Beom Shin , Young Min Lee , Jong Hae Kim
IPC分类号： H01F17/00
CPC分类号： H01F27/325 , H01F27/2828 , H01F27/306 , H01F2005/025
摘要： There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof, a flange part vertically protruding outwardly from both ends of the body part, and external connection terminals protruding from one side of a lower flange part formed at a lower end of the body part; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an inner bobbin and an outer bobbin, and the inner bobbin is coupled to the outer bobbin such that the external connection terminals of the inner bobbin and the external connection terminals of the outer bobbin are opposed to each other.
摘要翻译：提供了能够用于诸如液晶显示器（LCD）装置和发光二极管（LED）显示装置的薄型显示装置中的薄型变压器。变压器包括：包括多个线轴的绕线筒部，每个线轴均包括在其内部形成有通孔的管状主体部，从主体部的两端向外突出的凸缘部，以及外部连接端子从形成在本体部的下端的下凸缘部的一侧突出; 插入到筒管的通孔中的芯体，从而形成磁路; 以及线圈部，其包括卷绕在所述多个线轴上的线圈，所述线轴部包括内筒管和外筒管，所述内筒管与所述外筒管结合，使得所述内筒管的外部连接端子和所述外筒外筒管的连接端子彼此相对。

3. 发明授权

US08570134B2 Transformer 有权
公开(公告)号：US08570134B2
公开(公告)日：2013-10-29
申请号：US13175660
申请日：2011-07-01
申请人： Geun Young Park , Sang Joon Seo , Choong Sik Yoo , Heung Gyoon Choi , Moo Jong Kang , Hwi Beom Shin , Young Min Lee , Jong Hae Kim
发明人： Geun Young Park , Sang Joon Seo , Choong Sik Yoo , Heung Gyoon Choi , Moo Jong Kang , Hwi Beom Shin , Young Min Lee , Jong Hae Kim
IPC分类号： H01F27/29
摘要： There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof, a flange part vertically protruding outwardly from both ends of the body part, and external connection terminals protruding from one side of a lower flange part formed at a lower end of the body part; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an inner bobbin and an outer bobbin, and the inner bobbin is coupled to the outer bobbin such that the external connection terminals of the inner bobbin and the external connection terminals of the outer bobbin are opposed to each other.

4. 发明授权

US08786204B2 DC/DC converter and driving apparatus having the same 失效
标题翻译： DC / DC转换器和具有该DC / DC转换器的驱动装置
公开(公告)号：US08786204B2
公开(公告)日：2014-07-22
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 , G06F3/038
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。

5. 发明申请

US20110234111A1 LAMP DRIVER 失效
标题翻译：灯驱动器
公开(公告)号：US20110234111A1
公开(公告)日：2011-09-29
申请号：US12887356
申请日：2010-09-21
申请人： Sang Kyoo Han , Sung Soo Hong , Chung Wook Roh , Sang Gab Park , Young Seung Roh , Hyo Joong An , Heung Gyoon Choi , Han Hee Lee
发明人： Sang Kyoo Han , Sung Soo Hong , Chung Wook Roh , Sang Gab Park , Young Seung Roh , Hyo Joong An , Heung Gyoon Choi , Han Hee Lee
IPC分类号： H05B37/02
CPC分类号： H05B33/0851 , H05B33/0818 , H05B41/2824 , H05B41/3927
摘要： There is provided a lamp driver including: a power supplying part switching an input power, supplying a driving power to at least one lamp, and controlling brightness of the at least one lamp according to a dimming signal; a signal supplying part supplying a first comparison result signal obtained by comparing a current sensing signal sensing a current flowing through the at least one lamp with a reference signal having a current level set beforehand when the dimming signal is a logic high signal, and supplying a second comparison result signal having a voltage level set beforehand when the dimming signal is a logic low signal; and a controlling part controlling the switching of the power supplying part according to a signal being supplied by the signal supplying part.
摘要翻译：提供了一种灯驱动器，包括：电源部，切换输入电力，向至少一个灯提供驱动电力，并根据调光信号控制所述至少一个灯的亮度; 信号供给部，其通过将感测流过所述至少一个灯的电流的电流感测信号与当所述调光信号为逻辑高信号时预先设定的电流电平的参考信号进行比较而获得的第一比较结果信号，当调光信号为逻辑低信号时，具有预先设定的电压电平的第二比较结果信号; 以及控制部，其根据由信号供给部供给的信号来控制供电部的切换。

6. 发明授权

US08860317B2 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装置
公开(公告)号：US08860317B2
公开(公告)日：2014-10-14
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 , H05B33/08
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。

7. 发明授权

US08120278B2 LED driving circuit 有权
标题翻译： LED驱动电路
公开(公告)号：US08120278B2
公开(公告)日：2012-02-21
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。

8. 发明授权

US08068353B2 Switching mode power supply circuit 有权
标题翻译：开关电源电路
公开(公告)号：US08068353B2
公开(公告)日：2011-11-29
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： H02M3/335
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。

9. 发明授权

US08717784B2 Control circuit of LLC resonant converter and LLC resonant converter using the same 失效
标题翻译： LLC谐振转换器和LLC谐振转换器的控制电路使用相同的
公开(公告)号：US08717784B2
公开(公告)日：2014-05-06
申请号：US13309310
申请日：2011-12-01
申请人： Sang Gab Park , Nam Jin Park , Han Hee Lee , Hyo Joong An , Gyu Min Park , Heung Gyoon Choi
发明人： Sang Gab Park , Nam Jin Park , Han Hee Lee , Hyo Joong An , Gyu Min Park , Heung Gyoon Choi
IPC分类号： H02M3/335
CPC分类号： H02M3/338 , H02M2001/0022 , Y02B70/1433
摘要： The present invention provides a control circuit of an LLC resonant converter including a minimum switching frequency variable circuit of varying a minimum switching frequency corresponding to an AC input voltage of the LLC resonant converter; and a first pulse signal generating unit and a second pulse signal generating unit to generate a first pulse signal and a second pulse signal based on a switching frequency limited by the minimum switching frequency variable circuit.
摘要翻译：本发明提供了一种LLC谐振变换器的控制电路，包括：一个最小开关频率可变电路，该最小开关频率可变电路改变对应于LLC谐振变换器的AC输入电压的最小开关频率; 以及第一脉冲信号产生单元和第二脉冲信号产生单元，用于基于由最小开关频率可变电路限制的开关频率来产生第一脉冲信号和第二脉冲信号。

10. 发明授权

US08508157B2 Power supply device for driving light emitting diode 有权
标题翻译：用于驱动发光二极管的电源装置
公开(公告)号：US08508157B2
公开(公告)日：2013-08-13
申请号：US13181045
申请日：2011-07-12
申请人： Tae Shik Kim , Heung Gyoon Choi , Yun Ki Kang , Tae Hyung Kang , Sang Gab Park
发明人： Tae Shik Kim , Heung Gyoon Choi , Yun Ki Kang , Tae Hyung Kang , Sang Gab Park
IPC分类号： G05F1/00
CPC分类号： H05B33/0827 , H05B33/0821
摘要： A power supply device for driving a light emitting diode (LED) capable of controlling the switching of multiple output powers, in synchronization with the frequency of one of the multiple output powers and simplifying a power conversion stage in supplying power for driving an LED.
摘要翻译：一种用于驱动能够与多个输出功率之一的频率同步地控制多个输出功率的切换的发光二极管（LED）的电源装置，并且简化了用于驱动LED的电力的功率转换级。

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