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公开(公告)号：US09532412B2
公开(公告)日：2016-12-27
申请号：US14883941
申请日：2015-10-15
Applicant: SILICON WORKS CO., LTD.
Inventor： Yong Geun Kim , Gyeong Sik Mun , Ki Chul An
IPC: H05B33/08
CPC classification number: H05B33/0809 , H05B33/0827 , H05B33/083
Abstract: Disclosed is a lighting apparatus which includes LEDs and reduces flicker. The lighting apparatus may secure a charge voltage by performing a charge operation using a current corresponding to a rectified voltage equal to or more than a preset level, and compensate for the rectified voltage provided to a lighting unit including LED groups by performing a discharge operation for the charge voltage in response to the rectified voltage less than the preset level, thereby reducing flicker.
Abstract translation: 公开了一种包括LED并减少闪烁的照明装置。 照明装置可以通过使用对应于等于或大于预设电平的整流电压的电流进行充电操作来确保充电电压，并且通过执行放电操作来补偿提供给包括LED组的照明单元的整流电压 充电电压响应于整流电压小于预设电平，从而减少闪烁。
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公开(公告)号：US09398660B2
公开(公告)日：2016-07-19
申请号：US14623790
申请日：2015-02-17
Applicant: SILICON WORKS CO., LTD.
Inventor： Yong Geun Kim , Gyeong Sik Mun
IPC: H05B33/08
CPC classification number: H05B33/0845 , H05B33/0815 , H05B33/0824 , H05B33/083 , Y02B20/347
Abstract: Disclosed herein are a lighting system for emitting light using power having a phase controlled by a dimmer and improving the light emission state of a light source and a control circuit for the same. Shimmer can be improved by performing charging and discharging using a current supplied to a load or a current flowing in the current path of a load and performing current control using a charging voltage generated by the charging and discharging.
Abstract translation: 这里公开了一种用于发射具有由调光器控制的相位的光的照明系统，并且改善了光源的发光状态和用于其的控制电路。 可以通过使用提供给负载的电流或在负载的电流路径中流动的电流进行充电和放电来实现闪电，并且使用由充电和放电产生的充电电压进行电流控制。
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公开(公告)号：US10912169B2
公开(公告)日：2021-02-02
申请号：US16320514
申请日：2017-07-25
Applicant: SILICON WORKS CO., LTD.
Inventor： Gyeong Sik Mun , Sang Young Lee , Ki Soo Kwon , Ki Chul An , Yong Geun Kim
Abstract: Disclosed is an LED lighting apparatus. The LED lighting apparatus may include a leakage current control unit configured to provide a leakage current path when a rectified voltage is retained at a predetermined voltage or less for a preset time or more, and a leakage current and retention current may be discharged through a leakage current path.
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4.发明授权公开(公告)号：US09730286B2
公开(公告)日：2017-08-08
申请号：US14892940
申请日：2014-05-21
Applicant: SILICON WORKS CO., LTD.
Inventor： Yong Geun Kim
CPC classification number: H05B33/0824 , H05B33/0809 , H05B33/0845 , H05B33/0851 , H05B33/0854 , H05B37/02 , H05B37/0218 , H05B37/0227 , Y02B20/46
Abstract: Disclosed are a control circuit and a voltage generation method of an LED lighting apparatus which provides lighting using a rectified voltage. Light emission of the LED lighting apparatus can be implemented through current regulation, a rectified voltage used for light emission can be used to provide a constant voltage required for a peripheral circuit, and a current flowing through a current path formed by the current regulation can be controlled to perform dimming.
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公开(公告)号：US09439258B2
公开(公告)日：2016-09-06
申请号：US14770186
申请日：2014-02-27
Applicant: SILICON WORKS CO., LTD.
Inventor： Yong Geun Kim , Ki Chul An , Sang Young Lee
IPC: H05B33/08
CPC classification number: H05B33/0845 , H05B33/0809 , H05B33/0815 , H05B33/0824 , H05B33/083
Abstract: Provided is a control circuit of an LED lighting apparatus, which is capable of reducing the occurrence of a flicker while performing lighting. The control circuit of the LED lighting apparatus may include a charge and discharge module charged by a rectified voltage and discharging LED channels, and control one or more of charge timing, a charged voltage, and discharge timing of the charge and discharge module such that the charge and discharge module supplies a voltage to the LED channels at least during a control period at which the amount of current supplied to the LED channels is the smallest. Thus, the occurrence of a flicker in the LED lighting apparatus can be improved.
Abstract translation: 提供了一种LED照明装置的控制电路，其能够在进行照明的同时减少闪烁的发生。 LED照明装置的控制电路可以包括由整流电压充电并放电LED通道的充放电模块，并且控制充电定时，充电电压和充放电模块的放电定时中的一个或多个，使得 至少在提供给LED通道的电流量最小的控制周期期间，充电和放电模块向LED通道提供电压。 因此，可以提高LED照明装置中的闪烁的发生。
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Patent Agency Ranking
公开(公告)号：US10201048B2
公开(公告)日：2019-02-05
申请号：US15228080
申请日：2016-08-04
Applicant: SILICON WORKS CO., LTD.
Inventor： Yong Geun Kim , Ki Chul An
Abstract: Disclosed is a lighting apparatus using an LED as a light source. The lighting apparatus may connect first and second lighting units in series or parallel according to a rectified voltage, change one or more of first and second driving currents corresponding to light emissions of the first and second lighting units, and have the universality for rectified voltages.
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公开(公告)号：US09883559B2
公开(公告)日：2018-01-30
申请号：US14893291
申请日：2014-05-22
Applicant: SILICON WORKS CO., LTD.
Inventor： Yong Geun Kim , Sang Young Lee , Ki Chul An
CPC classification number: H05B33/083 , H05B33/0809 , H05B33/0887
Abstract: Disclosed is an LED lighting apparatus capable of performing lighting using a rectified voltage. The LED lighting apparatus may include a lamp divided into a plurality of light emitting modules, and perform lighting using a voltage obtained by lowering a rectified voltage, thereby preventing internal parts from being damaged by a surge voltage. Furthermore, the structure in which LED groups are arranged on a substrate can be improved to uniformize the light intensity.
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公开(公告)号：US09655187B2
公开(公告)日：2017-05-16
申请号：US15014485
申请日：2016-02-03
Applicant: SILICON WORKS CO., LTD.
Inventor： Yong Geun Kim , Ki Chul An
CPC classification number: H05B33/0845 , H05B33/0815 , H05B33/083 , H05B37/0272
Abstract: Disclosed is a control circuit of an LED lighting apparatus which is capable of improving power efficiency. The control circuit controls light emission of one or more LED groups in response to changes of a rectified voltage, and includes a current source configured to provide a primary current using a driving current outputted through a current path of a driver and a secondary current using a rectified current provided to a plurality of LED groups. Thus, the control circuit can perform a charging operation using a current provided from the current source, and provide a charge voltage to an additional device.
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公开(公告)号：US09585215B2
公开(公告)日：2017-02-28
申请号：US14945700
申请日：2015-11-19
Applicant: SILICON WORKS CO., LTD.
Inventor： Yong Geun Kim
IPC: H05B33/08
CPC classification number: H05B33/083
Abstract: Disclosed is a lighting apparatus for reducing total harmonic distortion (THD). The lighting apparatus may include a lighting unit having a plurality of LED groups divided into first and second lighting groups, and the lighting unit may provide a current path for light emission corresponding to a change of a rectified voltage, using two or more drives having the same structure.
Abstract translation: 公开了一种用于减少总谐波失真（THD）的照明装置。 照明装置可以包括具有分成第一和第二照明组的多个LED组的照明单元，并且照明单元可以使用具有第一和第二照明组的两个或更多个驱动器来提供与整流电压的改变相对应的用于发光的电流路径 相同的结构。
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公开(公告)号：US09538591B2
公开(公告)日：2017-01-03
申请号：US14807023
申请日：2015-07-23
Applicant: SILICON WORKS CO., LTD.
Inventor： Yong Geun Kim
IPC: H05B33/08
CPC classification number: H05B33/0812 , H05B33/0827 , H05B33/083 , Y02B20/343 , Y02B20/345 , Y02B20/46
Abstract: Provided is a lighting apparatus using an LED as a lighting source. The lighting apparatus may distribute a current corresponding to a rectified voltage to a lighting unit and a secondary current circuit, perform primary light emission at low luminance, and reduce an optical deviation between LED groups through secondary light emission. Thus, the lighting apparatus can reduce an optical deviation corresponding to dimming and one cycle of rectified voltage.
Abstract translation: 提供了使用LED作为照明源的照明装置。 照明装置可以将对应于整流电压的电流分配给照明单元和次级电流，以低亮度进行初级发光，并且通过次级发光来减少LED组之间的光学偏差。 因此，照明装置可以减少对应于调光和整流电压的一个周期的光学偏差。
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