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1. 发明授权

US09024531B2 Apparatus for driving light emitting diode 有权
标题翻译：用于驱动发光二极管的装置
公开(公告)号：US09024531B2
公开(公告)日：2015-05-05
申请号：US13828131
申请日：2013-03-14
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Jong Tae Hwang , Deuk Hee Park , Jae Shin Lee , Yun Joong Lee , Sang Hyun Cha
IPC分类号： H05B33/08
CPC分类号： H05B33/0806 , H05B33/0827
摘要： There is provided an apparatus for driving a light emitting diode (LED), capable of distributing current stress applied to the LED. The apparatus includes an LED part including a plurality of LED units respectively including at least one LED, the plurality of LED units being connected in parallel to a power input terminal to which rectified power in sine wave form is supplied, and, among the plurality of LED units connected in parallel, a termination end of the LED unit in a front end being connected to a middle of an adjacent LED unit; and a current source unit including a plurality of current sources respectively connected to termination ends of the plurality of LED units and allowing corresponding current to flow through the plurality of LED units.
摘要翻译：提供了一种用于驱动发光二极管（LED）的装置，其能够分配施加到LED的电流应力。该装置包括：LED部件，其包括分别包括至少一个LED的多个LED单元，多个LED单元并联连接到以正弦波形式提供整流功率的功率输入端子，并且在多个LED单元中 LED单元并联连接，前端的LED单元的终端连接到相邻的LED单元的中间; 以及电流源单元，其包括分别连接到所述多个LED单元的终端的多个电流源，并允许相应的电流流过所述多个LED单元。

2. 发明授权

US09425699B2 Multi-output power supply apparatus enhancing a power imbalance between multiple outputs 有权
标题翻译：多输出电源装置增强了多个输出之间的功率不平衡
公开(公告)号：US09425699B2
公开(公告)日：2016-08-23
申请号：US13838007
申请日：2013-03-15
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Dae Hoon Han , Jae Shin Lee , Seo Hyung Kim , Jung Sun Kwon , Bo Hyun Hwang , Joon Youp Sung
IPC分类号： H02M3/335
CPC分类号： H02M3/33561
摘要： There is provided a multi-output power supply apparatus capable of maintaining multiple output voltages in a balanced state by limiting a variable range of a switching duty according to a load state. The multi-output power supply apparatus includes: a power supply unit switching input power to output a plurality of voltages whose power levels are determined according to the switching operation; and a controller detecting power states of at least some of the plurality of voltages from the power supply unit, and limiting a range of a switching duty of the power supply unit to a pre-set range when the detected power states correspond to a pre-set limited power state.
摘要翻译：提供了一种多输出电源装置，其能够通过根据负载状态限制开关占空比的可变范围来将多个输出电压维持在平衡状态。多输出电源装置包括：电源单元切换输入电力以输出根据切换操作确定功率电平的多个电压; 以及控制器，其检测来自所述电源单元的所述多个电压中的至少一些的电力状态，并且当检测到的电力状态对应于所述电力供应单元时，将所述供电单元的开关占空比的范围限制在预定范围内，设置有限电源状态。

3. 发明授权

US09066399B2 Illumination driving apparatus for light emitting diode and method thereof 有权
标题翻译：发光二极管照明驱动装置及其方法
公开(公告)号：US09066399B2
公开(公告)日：2015-06-23
申请号：US13839145
申请日：2013-03-15
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD. , UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION
发明人： Deuk Hee Park , Joong Ho Choi , Sang Hyun Cha , Jae Shin Lee , Chang Seok Lee , Yun Joong Lee
IPC分类号： H05B37/00 , H05B39/00 , H05B41/00 , H05B33/08
CPC分类号： H05B33/0845 , H05B33/083
摘要： There is provided an illumination driving apparatus for a light emitting diode, the apparatus including: a light emitting unit including M number of light emitting diodes (LEDs) connected in series and driven by an output voltage rectified in a rectifying unit; an LED switch unit including N number of LED switches connected in parallel with at least N number of the M LEDs, respectively, and connected in series; an LED switch control signal generating unit comparing the output voltage of the rectifying unit with each of the first to Nth preset reference voltages to generate N number of LED switch control signals controlling the LED switch unit; and an LED switch controlling unit transferring the N number of LED switch control signals to the LED switch unit.
摘要翻译：提供了一种用于发光二极管的照明驱动装置，该装置包括：发光单元，包括M个串联连接并由整流单元整流的输出电压驱动的发光二极管（LED）; LED开关单元，其分别包括与至少N个M个LED并联连接的N个LED开关并串联连接; LED开关控制信号发生单元，将整流单元的输出电压与第一至第N预设参考电压中的每一个进行比较，以产生控制LED开关单元的N个LED开关控制信号; 以及将N个LED开关控制信号传送到LED开关单元的LED开关控制单元。

4. 发明授权

US09066395B2 Power supply device and control circuit thereof 有权
标题翻译：电源装置及其控制电路
公开(公告)号：US09066395B2
公开(公告)日：2015-06-23
申请号：US14063983
申请日：2013-10-25
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD. , University of Seoul Industry Cooperation Foundation
发明人： Dae Hoon Han , Seo Hyung Kim , Seung Ryung Ryu , Joong Ho Choi , Joo Hyung Lee , Hong Jin Kim , Jae Shin Lee , Kang Yoon Lee
IPC分类号： H05B33/08 , G05F1/613 , H05B37/02
CPC分类号： H05B33/0815 , H05B33/0818 , H05B37/02 , Y02B20/346
摘要： There are provided a power supply device switching power input to a primary side to supply the power to a predetermined load connected to a secondary side electrically insulated from the primary side and a control circuit thereof. The control circuit generates a predetermined PWM signal to apply the PWM signal to a dimming switch connected to an end of the load and controls a switching frequency of the primary side, based on a control voltage generated according to a feedback signal according to the power supplied to the load and the PWM signal, and the control voltage maintains a constant difference between a minimum voltage level and a maximum voltage level regardless of a duty of the PWM signal.
摘要翻译：提供了一个电源装置，其将功率输入切换到初级侧，以向连接到与初级侧电绝缘的次级侧的预定负载及其控制电路供电。控制电路产生预定的PWM信号，以将PWM信号施加到连接到负载端的调光开关，并且基于根据所提供的电力产生的反馈信号产生的控制电压来控制初级侧的开关频率对于负载和PWM信号，并且控制电压在最小电压电平和最大电压电平之间保持恒定的差异，而与PWM信号的占空比无关。

5. 发明授权

US08816589B2 Light emitting diode driving apparatus 有权
标题翻译：发光二极管驱动装置
公开(公告)号：US08816589B2
公开(公告)日：2014-08-26
申请号：US13721365
申请日：2012-12-20
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Youn Joong Lee , Deuk Hee Park , Sang Hyun Cha , Jae Shin Lee , Chang Seok Lee
IPC分类号： H05B37/02
CPC分类号： H05B37/02 , H05B33/083
摘要： Provided is an LED driving apparatus. The LED driving apparatus includes a plurality of LED groups each comprising one or more diodes, a switch group comprising a plurality of switch units connected respectively to the LED groups to drive the connected LED group when a control signal is activated, and a switch controlling unit configured to compare an input voltage of the LED groups with an output voltage of the LED groups, calculate a comparison value, and generate the control signal according to the comparison value. Accordingly, the LED driving apparatus drives the LED groups selectively according to the difference between the input voltage of the LED group and the output voltage of the LED group, thereby overcoming the problem of heat generation by forward voltage distribution.
摘要翻译：提供了LED驱动装置。 LED驱动装置包括多个LED组，每个LED组包括一个或多个二极管，开关组包括分别连接到LED组的多个开关单元，以在控制信号被激活时驱动所连接的LED组;以及开关控制单元配置为将LED组的输入电压与LED组的输出电压进行比较，计算比较值，并根据比较值生成控制信号。因此，LED驱动装置根据LED组的输入电压和LED组的输出电压之间的差异选择性地驱动LED组，从而克服了通过正向电压分配发热的问题。

6. 发明申请

US20140001958A1 CIRCUIT, DEVICE AND METHOD OF DIRECTLY DRIVING LED 审中-公开
标题翻译：电路，设备及其直接驱动方法
公开(公告)号：US20140001958A1
公开(公告)日：2014-01-02
申请号：US13927049
申请日：2013-06-25
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Deuk Hee Park , Sang Hyun Cha , Youn Joong Lee , Chang Seok Lee , Jae Shin Lee
IPC分类号： H05B33/08
CPC分类号： H05B33/0851 , H05B33/083
摘要： Provided is a circuit, a device and a method of direct-driving an LED. According to an embodiment, the LED direct-driving circuit includes an LED unit having a plurality of LED groups serially connected to each other, a switching unit including a plurality of switches respectively connected to the plurality of LED groups, each switch configured to emit light from at least one LED group serially connected to the switch according to an ON operation, and a switching control unit configured to compare a signal according to a line voltage sensed from an input voltage of the LED unit with an output voltage of the LED unit to calculate a comparison value, generate a PWM carrier signal having a frequency varied according to the line voltage, and output a control signal for controlling the switching unit by comparing the comparison value with the frequency-varied PWM carrier signal.
摘要翻译：提供一种直接驱动LED的电路，装置和方法。根据实施例，LED直接驱动电路包括具有彼此串联连接的多个LED组的LED单元，包括分别连接到多个LED组的多个开关的开关单元，每个开关被配置为发光从根据ON操作串行连接到开关的至少一个LED组，以及开关控制单元，被配置为将根据LED单元的输入电压感测的线电压的信号与LED单元的输出电压进行比较，计算比较值，产生具有根据线路电压变化的频率的PWM载波信号，并且通过将比较值与频率变化的PWM载波信号进行比较来输出用于控制切换单元的控制信号。

7. 发明授权

US09450498B2 Multi-output power supply 有权
标题翻译：多输出电源
公开(公告)号：US09450498B2
公开(公告)日：2016-09-20
申请号：US13763956
申请日：2013-02-11
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Dae Hoon Han , Seo Hyung Kim , Jae Shin Lee , Joon Youp Sung , Bo Hyun Hwang , Jung Sun Kwon
IPC分类号： H02M3/335
CPC分类号： H02M3/33561 , Y10T307/406
摘要： There is provided a multi-output power supply capable of maintaining power balancing between multiple output powers by fixing a switching duty until a voltage level reaches a predetermined voltage level during an initial stage of a soft-start operation, the multi-output power supply including a power supply unit switching an input power and outputting a plurality of powers having levels determined according to the switching, and a controller controlling a soft switching operation of the power supply unit during an initial operation and fixing a switching duty of the power supply unit to a preset switching duty according to a result of a comparison between a preset reference voltage level and an operating voltage determining whether the soft switching operation is performed or not during the soft switching operation.
摘要翻译：提供一种多输出电源，其能够通过在软启动操作的初始阶段期间固定开关占空比直到电压电平达到预定电压电平来保持多个输出功率之间的功率平衡，所述多输出电源包括电源单元切换输入电力并输出具有根据切换确定的电平的多个电力，以及控制器，其在初始操作期间控制电源单元的软开关操作，并将电源单元的开关占空比固定为根据在软切换操作期间，在预设参考电压电平与确定是否执行软切换操作的操作电压之间的比较的结果的预设开关占空比。

8. 发明授权

US09083248B2 PWM control circuit, flyback converter and method for controlling PWM 有权
标题翻译： PWM控制电路，反激式转换器和PWM控制方法
公开(公告)号：US09083248B2
公开(公告)日：2015-07-14
申请号：US13734725
申请日：2013-01-04
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Deuk Hee Park , Yun Joong Lee , Sang Hyun Cha , Jae Shin Lee , Chang Seok Lee
IPC分类号： H05B41/14 , H02M3/335 , H05B37/02 , H05B33/08
CPC分类号： H02M3/33507 , H05B33/0815 , H05B37/02 , Y02B20/346
摘要： Disclosed herein are a PWM control circuit, a flyback converter, and a PWM control method. The PWM control circuit includes: a peak storing and reference signal generating unit storing a peak value of one period of a feedback signal from a secondary side output and inverting the peak signal and outputting the inverted peak signal as a reference signal; and a PWM control signal generating unit generating a PWM control signal by using an output obtained by comparing the reference signal with a reference waveform from the peak storing and reference signal generating unit. In addition, the flyback converter including the same and the method for controlling PWM are proposed.
摘要翻译：这里公开了PWM控制电路，反激转换器和PWM控制方法。 PWM控制电路包括：峰值存储和参考信号生成单元，存储来自次级侧输出的反馈信号的一个周期的峰值，并反相峰值信号，并输出反相峰值信号作为参考信号; 以及PWM控制信号生成单元，通过使用通过将参考信号与来自峰值存储和参考信号生成单元的参考波形进行比较而获得的输出来生成PWM控制信号。另外，提出了包括相同的反激式转换器和用于控制PWM的方法。

9. 发明申请

US20130162144A1 LIGHT EMITTING DIODE DRIVING APPARATUS 有权
标题翻译：发光二极管驱动装置
公开(公告)号：US20130162144A1
公开(公告)日：2013-06-27
申请号：US13721365
申请日：2012-12-20
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Youn Joong LEE , Deuk Hee Park , Sang Hyun Cha , Jae Shin Lee , Chang Seok Lee
IPC分类号： H05B37/02
CPC分类号： H05B37/02 , H05B33/083
摘要： Provided is an LED driving apparatus. The LED driving apparatus includes a plurality of LED groups each comprising one or more diodes, a switch group comprising a plurality of switch units connected respectively to the LED groups to drive the connected LED group when a control signal is activated, and a switch controlling unit configured to compare an input voltage of the LED groups with an output voltage of the LED groups, calculate a comparison value, and generate the control signal according to the comparison value. Accordingly, the LED driving apparatus drives the LED groups selectively according to the difference between the input voltage of the LED group and the output voltage of the LED group, thereby overcoming the problem of heat generation by forward voltage distribution.
摘要翻译：提供了LED驱动装置。 LED驱动装置包括多个LED组，每个LED组包括一个或多个二极管，开关组包括分别连接到LED组的多个开关单元，以在控制信号被激活时驱动所连接的LED组;以及开关控制单元配置为将LED组的输入电压与LED组的输出电压进行比较，计算比较值，并根据比较值生成控制信号。因此，LED驱动装置根据LED组的输入电压和LED组的输出电压之间的差异选择性地驱动LED组，从而克服了通过正向电压分配发热的问题。

10. 发明授权

US09000677B2 Light emitting diode driving apparatus 有权
标题翻译：发光二极管驱动装置
公开(公告)号：US09000677B2
公开(公告)日：2015-04-07
申请号：US13763985
申请日：2013-02-11
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Jung Eui Park , Seung Kon Kong , Seo Hyung Kim , Bo Hyun Hwang , Jae Shin Lee
IPC分类号： H05B37/02 , H05B33/08
CPC分类号： H05B33/0818 , H05B33/0827 , H05B33/0845 , Y02B20/347
摘要： There is provided a light emitting diode driving apparatus, including: a power supplying unit converting input power into driving power according to a control and supplying the converted driving power to a light emitting diode channel; a driving unit controlling current flowing in the light emitting diode channel according to a pulse width modulation (PWM) dimming signal from the outside; and a controlling unit comparing a reference level set by a duty of the PWM dimming signal with a detection voltage level of the light emitting diode channel and controlling a power converting operation of the power supplying unit according to the comparison result.
摘要翻译：提供了一种发光二极管驱动装置，包括：供电单元，根据控制输入电力转换成驱动电力并供给转换驱动电力提供给发光二极管通道; 一个驱动单元，其控制中流动的电流的光，根据脉冲宽度调制（PWM）的调光信号从外部发光二极管通道; 和控制单元比较由与所述发光二极管信道的检测电压电平的PWM调光信号的占空比设定的参考电平，并控制功率根据比较结果供给单元的电力转换操作。

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