公开(公告)号：US09155147B2

公开(公告)日：2015-10-06

申请号：US14193476

申请日：2014-02-28

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun Kim ,  Sang Young Lee

IPC: H05B33/08

CPC classification number: H05B33/0818

Abstract: Disclosed are a light emitting diode illumination apparatus and a control method thereof. The light emitting diode illumination apparatus includes a light source that includes a plurality of light emitting diode channels including one or more light emitting diodes, and emits light by application of a rectified voltage obtained by converting an AC voltage, and a control circuit that selectively provides current paths according to a change in a level of the rectified voltage through a plurality of switching circuits connected to the light emitting diode channels, and controls pulse widths of control pulses provided to the switching circuits such that an current supplied to the light source of each channel follows a waveform of the rectified voltage.

Abstract translation: 公开了一种发光二极管照明装置及其控制方法。 发光二极管照明装置包括：包含多个包含一个或多个发光二极管的发光二极管通道的光源，并且通过施加通过转换交流电压获得的整流电压来发光;以及控制电路，其选择性地提供 根据连接到发光二极管通道的多个开关电路，根据整流电压的电平变化的电流路径，并且控制提供给开关电路的控制脉冲的脉冲宽度，使得提供给每个 通道遵循整流电压的波形。

公开(公告)号：US09730287B2

公开(公告)日：2017-08-08

申请号：US14747067

申请日：2015-06-23

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun Kim ,  Gyeong Sik Mun

IPC: H05B33/08

CPC classification number: H05B33/083 ,  H05B33/0815

Abstract: The present invention discloses a dimming regulation circuit which stabilizes a rectified voltage in response to an unstable output voltage of a dimmer and a lighting apparatus including the dimming regulation circuit. The dimming regulation circuit stabilizes the rectified voltage and provides the stabilized rectified voltage to a lamp, when a rectified voltage corresponds to a preset stabilization required range.

公开(公告)号：US09538605B2

公开(公告)日：2017-01-03

申请号：US14963444

申请日：2015-12-09

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun Kim ,  Sang Young Lee ,  Ki Chul An ,  Gyeong Sik Mun

IPC: H05B37/02 ,  H05B33/08

CPC classification number: H05B33/0884 ,  H05B33/0815 ,  H05B33/083 ,  H05B33/0848

Abstract: Disclosed is a control circuit of an LED lighting apparatus having a current control function. The control circuit of the LED lighting apparatus may include: a current control circuit configured to control the LED lighting apparatus divided into a plurality of LED groups, and provide a current path corresponding to sequential light emissions of the LED groups in response to a rectified voltage; and surplus voltage buffer circuits corresponding to two or more LED groups, respectively, and each configured to buffer a surplus voltage.

Abstract translation: 公开了具有电流控制功能的LED照明装置的控制电路。 LED照明装置的控制电路可以包括：电流控制电路，被配置为控制分成多个LED组的LED照明装置，并响应于整流电压提供与LED组的顺序光发射相对应的电流路径 ; 和分别对应于两个或更多个LED组的剩余电压缓冲器电路，并且每个被配置为缓冲剩余电压。

公开(公告)号：US09288862B2

公开(公告)日：2016-03-15

申请号：US13907419

申请日：2013-05-31

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun Kim ,  Sang Young Lee ,  Yong Goo Kim ,  Won Ji Lee ,  Young Suk Son

IPC: H05B33/08

CPC classification number: H05B33/083 ,  H01L25/0753 ,  H05B33/0821 ,  H05B33/0824 ,  H05B33/0827

Abstract: Disclosed is a light emitting diode lighting apparatus capable of improving a power factor and temperature characteristics. The light emitting diode lighting apparatus according to a preferred embodiment of the present invention includes a light source having a plurality of light emitting diode channels and performs a current regulating operation to allow a light source to emit light. The light source uses a current path provided by current regulating to emit light.

Abstract translation: 公开了能够提高功率因数和温度特性的发光二极管照明装置。 根据本发明的优选实施例的发光二极管照明装置包括具有多个发光二极管通道的光源，并执行电流调节操作以允许光源发光。 光源使用由电流调节提供的电流路径发光。

公开(公告)号：US10299324B2

公开(公告)日：2019-05-21

申请号：US14792937

申请日：2015-07-07

Applicant: SILICON WORKS CO., LTD.

Inventor： Gyeong Sik Mun ,  Sang Young Lee ,  Ki Chul An ,  Yong Geun Kim

IPC: H05B37/02 ,  H05B33/08

Abstract: Provided is a lighting apparatus. The lighting apparatus may include two or more lighting units each including a plurality of LED groups which sequentially emit light in response to changes of a rectified voltage. The two or more lighting units may include one or more LED groups having the same light emitting sequence but having different light emitting points of time. Thus, current harmonic can be reduced, and power efficiency can be improved.

公开(公告)号：US10271397B2

公开(公告)日：2019-04-23

申请号：US15546331

申请日：2016-01-26

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun Kim

IPC: H05B33/00 ,  H05B33/08

Abstract: Disclosed is a control circuit of an LED lighting apparatus, capable of reducing total harmonic distortion (THD). The control circuit may include a THD reduction circuit configured to control a driving current on a current path corresponding to light emission of an LED group in response to a change of a rectified voltage.

公开(公告)号：US09587818B2

公开(公告)日：2017-03-07

申请号：US14853112

申请日：2015-09-14

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun Kim ,  Sang Young Lee ,  Ki Chul An ,  Eun Ji Jo ,  Yun Hee Ra

IPC: H05B37/00 ,  F21V29/10 ,  H05B33/08 ,  F21Y101/00

CPC classification number: F21V29/10 ,  F21Y2101/00 ,  F21Y2115/10 ,  H05B33/0803 ,  H05B33/0824 ,  H05B33/0845

Abstract: Provided is an LED lighting apparatus with an improved heat radiation property, which is capable of effectively radiating heat generated therein. The LED lighting apparatus may include: a light source unit comprising a plurality of LED groups each having one or more LEDs; and a driving unit configured to provide a current path corresponding to light emission of the light source unit. The light source unit and the driving unit may be arranged on the same substrate so as to be separated from each other. Among the plurality of LED groups, the LED group having the largest heat value may be arranged farthest away from the driving unit, compared to the other LED groups. Through the above-described arrangement, the heat radiation property of the LED lighting apparatus can be improved.

Abstract translation: 提供了具有改善的散热性能的LED照明装置，其能够有效地辐射其中产生的热量。 LED照明装置可以包括：光源单元，其包括多个LED组，每个LED组具有一个或多个LED; 以及驱动单元，被配置为提供与光源单元的发光相对应的电流路径。 光源单元和驱动单元可以布置在相同的基板上以彼此分离。 在多个LED组中，与其他LED组相比，具有最大热值的LED组可以被布置在离驱动单元最远的位置。 通过上述结构，能够提高LED照明装置的散热性。

公开(公告)号：US09516707B2

公开(公告)日：2016-12-06

申请号：US14094231

申请日：2013-12-02

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun Kim ,  Sang Young Lee ,  Gyeong Sik Mun ,  Ki Chul An

IPC: H05B37/02 ,  H05B39/04 ,  H05B41/36 ,  H05B33/08

CPC classification number: H05B33/0809 ,  H05B33/0815 ,  H05B33/0818 ,  H05B33/0848 ,  H05B33/0854 ,  H05B37/0263 ,  Y02B20/347

Abstract: The present invention discloses an LED lighting apparatus. The LED lighting apparatus includes a converter for transforming rectified voltage in accordance with a switching operation according to a driving pulse and outputting the transformed voltage, a current regulator for generating the driving pulse having a pulse width varied in response to a control signal and the amount of current of the converter and switching the operation of the converter using the generated driving pulse, and a peripheral circuit module for providing the control signal for controlling the dimming of an LED lighting.

Abstract translation: 本发明公开了一种LED照明装置。 LED照明装置包括：转换器，用于根据驱动脉冲的切换操作变换整流电压并输出变换电压;电流调节器，用于产生具有响应于控制信号而变化的脉冲宽度的驱动脉冲， 的转换器的电流并且使用所产生的驱动脉冲切换转换器的操作;以及外围电路模块，用于提供用于控制LED照明的调光的控制信号。

公开(公告)号：US09480113B2

公开(公告)日：2016-10-25

申请号：US14770153

申请日：2014-02-27

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun Kim ,  Sang Young Lee ,  Ki Chul An

IPC: H05B33/08

CPC classification number: H05B33/0815 ,  H05B33/0824 ,  H05B33/0851

Abstract: A control circuit of an LED lighting apparatus divided into a plurality of LED channels may include: a current control circuit configured to provide a current path corresponding to sequential light emissions of the LED channels in response to a rectified voltage; and a residual voltage buffer circuit configured to correspond to an LED channel which finally emits light, and buffer a residual voltage when the rectified voltage rises to a preset value such that the residual voltage occurs.

Abstract translation: 分为多个LED通道的LED照明装置的控制电路可以包括：电流控制电路，被配置为响应于整流电压而提供对应于LED通道的顺序光发射的电流路径; 以及残余电压缓冲电路，被配置为对应于最终发光的LED通道，并且当整流电压上升到预设值以使得发生剩余电压时，缓冲剩余电压。

公开(公告)号：US09320100B2

公开(公告)日：2016-04-19

申请号：US14204083

申请日：2014-03-11

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun Kim ,  Dong Il Kim ,  Sang Young Lee ,  Ki Chul An

IPC: H05B37/02 ,  H05B33/08

CPC classification number: H05B33/0845 ,  H05B37/02

Abstract: The present invention relates to a lighting apparatus which stably performs dimming control on a lamp implemented with light emitting diodes (LEDs) or the like. The lighting apparatus may improve power efficiency by driving power supplied to a lamp in a current regulation method, perform constant current control such that the lamp maintains constant brightness, perform dimming control for controlling the brightness of the lamp, commonly supply the power provided to the lamp to peripheral circuit modules, and perform constant voltage control such that a driving voltage supplied as power is maintained at a predetermined level or more.

Abstract translation: 本发明涉及对由发光二极管（LED）等实现的灯稳定地进行调光控制的照明装置。 照明装置可以通过以电流调节方式驱动提供给灯的电力来提高功率效率，执行恒定电流控制，使得灯保持恒定的亮度，执行用于控制灯的亮度的调光控制，通常提供给 灯到外围电路模块，并执行恒定的电压控制，使得作为电力提供的驱动电压被保持在预定水平或更高水平。