公开(公告)号：US20150334802A1

公开(公告)日：2015-11-19

申请号：US14710651

申请日：2015-05-13

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Byoung Woo RYU

IPC: H05B33/08

CPC classification number: H05B33/0845 ,  H05B33/0809 ,  H05B33/0824 ,  H05B33/083 ,  H05B37/0272

Abstract: A device for driving a light emitting diode (LED) module is disclosed, wherein alternating current (AC) power is rectified and applied to an LED module and brightness of the LED module is adjusted by adjusting the maximum value of an LED current passing through the LED module, thereby achieving natural brightness adjustment. The device for driving an LED module may include a driver, a control signal receiver, a control signal converter, and a linear circuit.

Abstract translation: 公开了用于驱动发光二极管（LED）模块的装置，其中交流（AC）功率被整流并施加到LED模块，并且通过调节通过所述LED模块的LED电流的最大值来调节LED模块的亮度 LED模块，从而实现自然亮度调节。 用于驱动LED模块的装置可以包括驱动器，控制信号接收器，控制信号转换器和线性电路。

公开(公告)号：US20140176001A1

公开(公告)日：2014-06-26

申请号：US13954330

申请日：2013-07-30

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kyu Tae SEO ,  Ki Hong KIM ,  Dae Hoon CHOI ,  Min Jin KIM ,  Heung Gyoon CHOI ,  Byoung Woo RYU

IPC: H05B33/08

CPC classification number: H05B33/0845

Abstract: There are provided a dimming control apparatus, a lighting system driving apparatus, and a dimming control method, the dimming control apparatus including a voltage converting unit converting a dimming signal from a dimmer into dimming voltage, an analog-to-digital (A/D) converting unit converting the dimming voltage into a digital dimming value, a dimming setting unit determining whether or not the digital dimming value is included in a preset dimming value range, and when the digital dimming value is not included in the preset dimming value range, resetting the dimming value range so as to allow the digital dimming value to be included in the reset dimming value range, a memory unit storing a dimming control value corresponding to the digital dimming value, and a dimming control unit generating a dimming control signal based on the dimming control value corresponding to the digital dimming value from the A/D converting unit.

Abstract translation: 提供了调光控制装置，照明系统驱动装置和调光控制方法，调光控制装置包括将调光信号从调光器转换成调光电压的电压转换单元，模数（A / D） ）转换单元将调光电压转换为数字调光值，调光设置单元确定数字调光值是否包括在预设调光值范围内，并且当数字调光值不包括在预设调光值范围内时， 重置调光值范围以允许数字调光值被包括在复位调光值范围内，存储与数字调光值相对应的调光控制值的存储单元，以及调光控制单元，其基于 所述调光控制值对应于来自所述A / D转换单元的数字调光值。

公开(公告)号：US20140167609A1

公开(公告)日：2014-06-19

申请号：US13929343

申请日：2013-06-27

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Byoung Woo RYU ,  Kyu Tae SEO ,  Dae Hoon CHOI ,  Ki Hong KIM ,  Min Jin KIM

IPC: H05B33/08

CPC classification number: H05B33/0848

Abstract: There are provided a light driving apparatus capable of being commonly used in various types of dimmers, and a driving method therefor. The light driving apparatus includes: a driving unit supplying driving power to a light emitting device according to controlling to drive the light emitting device; and a general-purpose dimming controlling unit controlling dimming of the light emitting device by converting a range of a brightness control signal of an external dimmer into a first voltage range according to a preset ratio to control the supply of power from the driving unit.

Abstract translation: 提供了能够在各种调光器中常用的光驱动装置及其驱动方法。 光驱动装置包括：驱动单元，其根据控制来驱动发光装置向发光装置提供驱动电力; 以及通用调光控制单元，其通过根据预设比例将外部调光器的亮度控制信号的范围转换为第一电压范围来控制发光器件的调光，以控制来自驱动单元的电力供应。

公开(公告)号：US20180097408A1

公开(公告)日：2018-04-05

申请号：US15691029

申请日：2017-08-30

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Soon Tack OH ,  Byoung Woo RYU ,  Ji Hoon KIM ,  Young Seung ROH

IPC: H02J50/60 ,  H02J7/02 ,  H02J50/12

CPC classification number: H02J50/60 ,  H02J7/025 ,  H02J50/12

Abstract: A power transmitter includes: a first resonator configured to wirelessly supply power to a power receiver and having an impedance that changes in response to a foreign material being proximate to the power transmitter; a second resonator having an impedance that changes in response to the foreign material being proximate to the power receiver; and controller configured to select either one of the first resonator and the second resonator in response to a wireless charging control, and to determine whether the foreign material is proximate to the power transmitter, based on a change in the impedance of the selected one of the first resonator and the second resonator.

公开(公告)号：US20150115824A1

公开(公告)日：2015-04-30

申请号：US14514166

申请日：2014-10-14

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Keun Wook LEE ,  Byoung Woo RYU

IPC: H05B33/08

CPC classification number: H05B33/0809 ,  H02J5/00 ,  H02J7/345 ,  H02M3/158 ,  H02M3/33507 ,  H02M3/33523 ,  H02M7/103 ,  H02M7/5383 ,  H05B33/0815 ,  H05B33/0851

Abstract: A light emitting diode driver includes a power supplying unit receiving an alternating current (AC) power and outputting a transformed power according to a predetermined ratio, a rectifying unit rectifying the output power from the power supplying unit, and a double voltage unit receiving the rectified power from the rectifying unit and generating an output voltage such that the level of the output voltage is variable, and has constant duty and frequency thereof even the variance of the voltage level.

Abstract translation: 发光二极管驱动器包括：供电单元，其接收交流电（AC）电力并根据预定比率输出变换后的电力;整流单元对来自供电单元的输出功率进行整流;以及双电压单元，接收经整流的 并且产生输出电压，使得输出电压的电平是可变的，并且即使电压电平的变化也具有恒定的占空比和频率。

公开(公告)号：US20140035477A1

公开(公告)日：2014-02-06

申请号：US13957808

申请日：2013-08-02

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sang Kyoo HAN ,  Yoon CHOI ,  Min Ha HWANG ,  Hong Sun PARK ,  Byoung Woo RYU ,  Sung Cheol KIM ,  Dong Seong OH

IPC: H02M3/335 ,  H05B33/08

CPC classification number: H02M3/33546 ,  H02M1/4258 ,  H02M3/156 ,  H02M3/1584 ,  H05B33/0809 ,  H05B33/0815 ,  Y02B70/126

Abstract: There are provided a single stage forward-flyback converter, and a power supply apparatus capable of increasing power factor correction and power conversion efficiency. The single stage forward-flyback converter includes: a forward converter unit including a transformer having a primary winding receiving input power and a first secondary winding magnetically coupled to the primary winding to receive power induced thereto, and converting the power in a forward scheme; and a flyback converter unit sharing the transformer, including a second secondary winding, and converting the power in a flyback scheme, wherein the forward converter unit is selectively operated according to a voltage level of the input power.

Abstract translation: 提供单级前向反激转换器和能够提高功率因数校正和功率转换效率的电源装置。 单级前进反激转换器包括：正转换器单元，其包括具有初级绕组接收输入功率的变压器和与初级绕组磁耦合的第一次级绕组，以接收由其引入的功率，并以正向方案转换功率; 以及共享变压器的反激转换器单元，包括第二次级绕组，并以反激方案转换功率，其中正向转换器单元根据输入功率的电压电平有选择地工作。

公开(公告)号：US20150207421A1

公开(公告)日：2015-07-23

申请号：US14582200

申请日：2014-12-24

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Byoung Woo RYU ,  Tae Seok Ko

IPC: H02M3/335 ,  H05B33/08 ,  H02M1/12

CPC classification number: H02M3/33515 ,  H02M1/126 ,  H02M1/4225 ,  H02M3/33507 ,  H02M3/33523 ,  H02M7/068 ,  H02M7/217 ,  H02M2001/0035 ,  H02M2001/0058 ,  H02M2001/007 ,  H05B33/08 ,  H05B33/0815 ,  H05B33/0845 ,  Y02B70/126 ,  Y02B70/1491 ,  Y02B70/16

Abstract: A power supply may include a driving power supply unit converting input power to supply driving power to a load, and a power supply control unit performing a control to detect a change in a voltage level of the driving power and cut off the input power when the detected voltage level of the driving power is equal to or more than a preset voltage level, in a preset standby mode.

Abstract translation: 电源可以包括驱动电源单元，其将输入电力转换为向负载提供驱动电力;以及电源控制单元，执行控制以检测驱动电源的电压电平的变化并且当所述驱动电源单元 在预设待机模式下，驱动功率的检测电压电平等于或大于预设电压电平。

公开(公告)号：US20150189707A1

公开(公告)日：2015-07-02

申请号：US14585186

申请日：2014-12-30

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Byoung Woo RYU ,  Jung Woo Choi ,  Ki Hong Kim

IPC: H05B33/08

CPC classification number: H05B33/0806 ,  H05B33/0815

Abstract: A method of controlling a power driver for LED illumination may include receiving, by a power correction unit, an AC voltage from the outside, rectifying the received AC voltage into a DC voltage, and correcting a power factor of the rectified DC voltage; and receiving, by a DC/DC converter unit, the DC voltage from the power factor correction unit and converting the received DC voltage into a DC voltage which has a magnitude different from the received DC voltage and is supplied to an LED module. A skip control unit, which is disposed in the DC/DC converter unit, may be fed back with a current flowing in the LED module driven by receiving the output from the DC/DC converter unit to detect a magnitude of the current and output a signal for a skip mode control depending on the detected magnitude of the current.

Abstract translation: 控制用于LED照明的功率驱动器的方法可以包括通过功率校正单元从外部接收AC电压，将接收的AC电压整流为DC电压，以及校正整流的DC电压的功率因数; 并且由DC / DC转换器单元接收来自功率因数校正单元的DC电压，并将接收到的DC电压转换成具有与接收到的DC电压不同的幅度的DC电压并提供给LED模块。 布置在DC / DC转换器单元中的跳过控制单元可以反馈流过LED模块的电流，该LED模块通过接收来自DC / DC转换器单元的输出而被驱动以检测电流的大小并输出 根据检测到的电流的大小，进行跳过模式控制的信号。

公开(公告)号：US20140159603A1

公开(公告)日：2014-06-12

申请号：US13866771

申请日：2013-04-19

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Keun Wook LEE ,  Byoung Woo RYU ,  Hong Sun PARK ,  Heung Gyoon CHOI

IPC: H05B33/08

CPC classification number: H05B33/0824 ,  H05B33/0809 ,  H05B33/0815 ,  H05B33/083 ,  H05B33/0845 ,  H05B37/02

Abstract: There are provided an LED driving apparatus and an LED driving method. The LED driving apparatus includes a rectifying unit rectifying AC power; a light emitting unit including a plurality of light emitting diodes; a switching unit including a plurality of switching elements connected to the plurality of light emitting diodes; and a controlling unit controlling operations of the plurality of light emitting diodes, wherein the controlling unit controls a duty ratio of a turned-on switching element based on a level of the AC power within respective turning-on periods of the plurality of switching elements.

Abstract translation: 提供了LED驱动装置和LED驱动方法。 LED驱动装置包括：整流单元，对AC电力进行整流; 包括多个发光二极管的发光单元; 开关单元，包括连接到所述多个发光二极管的多个开关元件; 以及控制单元，其控制所述多个发光二极管的操作，其中所述控制单元基于所述多个开关元件的各个接通周期内的所述交流电力的电平来控制所述导通开关元件的占空比。

公开(公告)号：US20140035485A1

公开(公告)日：2014-02-06

申请号：US13957840

申请日：2013-08-02

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sang Kyoo HAN ,  Min Ha HWANG ,  Yoon CHOI ,  Hong Sun PARK ,  Byoung Woo RYU ,  Sung Cheol KIM ,  Dong Seong OH

IPC: H02M3/335 ,  H05B33/08

CPC classification number: H02M3/33523 ,  H02M1/4258 ,  H02M3/156 ,  H02M3/1584 ,  H05B33/0815 ,  Y02B20/347 ,  Y02B70/126

Abstract: There is provided a single-stage forward-flyback converter capable of increasing power factor and power conversion efficiency while performing power factor correction and constant current control in a single-stage circuit. The converter includes: a power converting unit including a transformer having a primary winding receiving input power and a secondary winding magnetically coupled to the primary winding to receive power induced thereto, and converting the input power in a forward scheme and a flyback scheme; a balancing unit maintaining balance between a power level by the forward scheme of the power converting unit and a power level by the flyback scheme thereof; and a path providing unit clamping the power by the forward scheme of the power converting unit and the power by the flyback scheme thereof to provide a power transfer path, wherein the power converting unit selectively operates the forward scheme according to a voltage level of input power.

Abstract translation: 提供了在单级电路中执行功率因数校正和恒定电流控制的单级前向反激转换器，能够提高功率因数和功率转换效率。 所述转换器包括：功率转换单元，包括具有初级绕组接收输入功率的变压器和与所述初级绕组磁耦合的次级绕组以接收由其引入的功率，以及以正向方案和反激方案转换所述输入功率; 平衡单元，其通过所述功率转换单元的正向方案在功率水平与通过其反激方案之间的功率水平之间保持平衡; 以及路径提供单元，通过所述功率转换单元的正向方案和所述功率由其回扫方案来钳位功率以提供功率传输路径，其中所述功率转换单元根据输入功率的电压电平有选择地操作所述正向方案 。