公开(公告)号：US20140139131A1

公开(公告)日：2014-05-22

申请号：US13763985

申请日：2013-02-11

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Jung Eui PARK ,  Seung Kon KONG ,  Seo Hyung KIM ,  Bo Hyun HWANG ,  Jae Shin LEE

IPC: H05B37/02

CPC classification number: H05B33/0818 ,  H05B33/0827 ,  H05B33/0845 ,  Y02B20/347

Abstract: 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.

Abstract translation: 提供了一种发光二极管驱动装置，包括：供电单元，根据控制将输入电力转换为驱动电力，并将转换的驱动功率提供给发光二极管通道; 驱动单元，根据来自外部的脉宽调制（PWM）调光信号控制在所述发光二极管通道中流动的电流; 以及控制单元，将由PWM调光信号的占空比设定的参考电平与发光二极管通道的检测电压电平进行比较，并根据比较结果控制供电单元的功率转换操作。

公开(公告)号：US20140091717A1

公开(公告)日：2014-04-03

申请号：US13828131

申请日：2013-03-14

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Jong Tae HWANG ,  Deuk Hee PARK ,  Jae Shin LEE ,  Yun Joong LEE ,  Sang Hyun CHA

IPC: H05B33/08

CPC classification number: H05B33/0806 ,  H05B33/0827

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20140177302A1

公开(公告)日：2014-06-26

申请号：US13931598

申请日：2013-06-28

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Joon Youp SUNG ,  Jung Sun KWON ,  Seo Hyung KIM ,  Jae Shin LEE

IPC: H02M1/42 ,  G05F1/46

CPC classification number: H02M1/4225 ,  H02M1/32 ,  Y02B70/126 ,  Y02P80/112

Abstract: There are provided a power factor correction apparatus and a power supply apparatus, the power supply apparatus including a power supply unit switching input power to supply preset driving power to a load, and a control unit providing a switching control signal having a preset number of pulses for a predetermined time to the power supply unit to control power switching of the power supply unit, and when a voltage level of the driving power is equal to or higher than that of at least one intermediate voltage set between a preset normal operating voltage and a preset abnormal operating voltage, skipping a portion of the number of pulses of the switching control signal for the predetermined time.

Abstract translation: 提供了功率因数校正装置和电源装置，所述电源装置包括切换输入电力以向负载提供预设驱动电力的电源单元，以及提供具有预设脉冲数的切换控制信号的控制单元 预定时间到电源单元以控制电源单元的电源切换，并且当驱动功率的电压电平等于或高于设置在预设的正常工作电压和 预设异常工作电压，跳过开关控制信号脉冲数的一部分达预定时间。

公开(公告)号：US20130169182A1

公开(公告)日：2013-07-04

申请号：US13734725

申请日：2013-01-04

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Deuk HEE PARK ,  Yun Joong LEE ,  Sang Hyun CHA ,  Jae Shin LEE ,  Chang Seok LEE

IPC: H02M3/335 ,  H05B37/02

CPC classification number: H02M3/33507 ,  H05B33/0815 ,  H05B37/02 ,  Y02B20/346

Abstract: 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 arid 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.

Abstract translation: 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，并且反相输出所述反相峰值信号的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。

公开(公告)号：US20160004293A1

公开(公告)日：2016-01-07

申请号：US14746520

申请日：2015-06-22

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Deuk Hee PARK ,  Jong Gi RYU ,  Jong Woo LEE ,  Jae Shin LEE ,  Koon Shik CHO ,  Tae Ha LEE

IPC: G06F1/32 ,  G09G3/04

CPC classification number: G06F1/3265 ,  G09G3/04 ,  G09G3/344 ,  G09G3/3453 ,  G09G2330/021 ,  G09G2380/04

Abstract: Provided are a display driving apparatus for updating information displayed on a display of an electronic device, an electronic device including the same, and a method for driving the display using the same. A display driving apparatus includes a driving controller configured to receive promotion setting information from a device controller of an electronic device and drive the display according to the received promotion setting information independently of the device controller.

Abstract translation: 提供了一种用于更新显示在电子设备的显示器上的信息的显示驱动装置，包括该电子设备的显示器的显示驱动装置以及使用该显示器驱动显示器的方法。 显示驱动装置包括：驱动控制器，被配置为从电子设备的设备控制器接收促销设置信息，并且根据所接收的促销设置信息独立于设备控制器驱动显示。

公开(公告)号：US20140139021A1

公开(公告)日：2014-05-22

申请号：US13763956

申请日：2013-02-11

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Dae Hoon HAN ,  Seo Hyung KIM ,  Jae Shin LEE ,  Joon Youp SUNG ,  Bo Hyun HWANG ,  Jung Sun KWON

IPC: H02M3/335

CPC classification number: H02M3/33561 ,  Y10T307/406

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20150002044A1

公开(公告)日：2015-01-01

申请号：US14063983

申请日：2013-10-25

Applicant: University of Seoul Industry Cooperation Foundation ,  SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： 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: H05B33/08

CPC classification number: H05B33/0815 ,  H05B33/0818 ,  H05B37/02 ,  Y02B20/346

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20140160806A1

公开(公告)日：2014-06-12

申请号：US13838007

申请日：2013-03-15

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Dae Hoon HAN ,  Jae Shin LEE ,  Seo Hyung KIM ,  Jung Sun KWON ,  Bo Hyun HWANG ,  Joon Youp SUNG

IPC: H02M3/335

CPC classification number: H02M3/33561

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20140097943A1

公开(公告)日：2014-04-10

申请号：US14045933

申请日：2013-10-04

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Ung Han MOON ,  Jae Shin LEE ,  Sung Il PARK

IPC: G06K7/10 ,  G01R31/44 ,  G02F1/167

CPC classification number: G06K7/10297 ,  G01R31/44 ,  G02F1/167 ,  G09G3/006 ,  G09G3/3433 ,  G09G2300/0426 ,  G09G2330/12 ,  G09G2370/16 ,  G09G2380/04

Abstract: The present invention relates to an electronic paper panel, an electronic shelf label system and a method for driving the same. The electronic paper panel includes a substrate formed thereon a wiring pattern and a damage sensing pattern, an insulating layer formed on the wiring pattern, a segment electrode formed on the insulating layer and electrically connected to the wiring pattern and a driving chip mounted on the substrate.

Abstract translation: 电子纸面板，电子货架标签系统及其驱动方法技术领域本发明涉及电子纸面板，电子货架标签系统及其驱动方法。 电子纸面板包括在其上形成有布线图案和损伤感测图案的基板，形成在布线图案上的绝缘层，形成在绝缘层上并电连接到布线图案的段电极和安装在基板上的驱动芯片 。

公开(公告)号：US20140035473A1

公开(公告)日：2014-02-06

申请号：US13839145

申请日：2013-03-15

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD. ,  UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION

Inventor： Deuk Hee PARK ,  Joong Ho CHOI ,  Sang Hyun CHA ,  Jae Shin LEE ,  Chang Seok LEE ,  Yun Joong LEE

IPC: H05B33/08

CPC classification number: H05B33/0845 ,  H05B33/083

Abstract: 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.

Abstract translation: 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。