公开(公告)号：US20170330525A1

公开(公告)日：2017-11-16

申请号：US15668245

申请日：2017-08-03

Applicant: SILICON WORKS CO., LTD.

Inventor： Jeung Hie CHOI

IPC: G09G3/36 ,  G09G3/20

CPC classification number: G09G3/3674 ,  G09G3/2092 ,  G09G3/3677 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/06 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2330/027

Abstract: Provided are a gate driver and a control method thereof. The gate driver receives a power down control signal corresponding to a power down mode, controls an operation of a gate signal processor using the power down control signal which is activated in response to the power down mode, and provides a gate high voltage or gate low voltage for a display panel in response to the power down control signal.

公开(公告)号：US09722437B2

公开(公告)日：2017-08-01

申请号：US14623805

申请日：2015-02-17

Applicant: SILICON WORKS CO., LTD.

Inventor： Jae Wan Kim ,  Myoung Soo Song ,  Jin Kook Yun

IPC: H02J7/00

CPC classification number: H02J7/0016

Abstract: Provided are balancing device and method which can achieve a balancing function between energy storage units connected in series using a small number of switch elements, thereby reducing the manufacturing cost and size and enabling various balancing modes. The balancing device for balancing between a plurality of energy storage units a battery module, in which the energy storage units are connected in series, includes: a transformer; and a switch network comparing a cell switch unit, a polarity switch unit, and au auxiliary switch unit, wherein the auxiliary switch unit includes: a first auxiliary switch unit for connecting a second common node to one terminal of the secondary winding of the transformer; and a second auxiliary switch unit for connecting a first common node to the other terminal of the secondary winding of the transformer.

公开(公告)号：US20170202072A1

公开(公告)日：2017-07-13

申请号：US15392499

申请日：2016-12-28

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun KIM ,  Gyeong Sik Mun ,  Geon Soo Jang

IPC: H05B33/08

CPC classification number: H05B33/0887 ,  H05B33/0815 ,  H05B33/083 ,  H05B33/0842

Abstract: Disclosed is a lighting apparatus using an LED as a light source. The lighting apparatus may include: a first driver configured to control a flow of a first current through a low-power switching element by comparing a reference voltage and a sensing voltage, in response to light emission of an LED group; and a second driver configured to form a flow of a second current through a high-power switching element in connection with the flow of the first current of the first driver, in response to light emission of the LED group. The lighting apparatus stably provides a current path for a current corresponding to high power.

公开(公告)号：US20170169777A1

公开(公告)日：2017-06-15

申请号：US15378316

申请日：2016-12-14

Applicant: SILICON WORKS CO., LTD.

Inventor： Young Bok KIM ,  Hak Jin JUNG ,  Hyun Kyu JEON ,  Joon Ho NA

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3685 ,  G09G2300/0426 ,  G09G2300/0823 ,  G09G2310/0291 ,  G09G2310/06 ,  G09G2310/08 ,  G09G2320/041

Abstract: An output circuit of a display driving device may include: a first buffer including first and third output units driven in a range of a positive output signal included in an output voltage domain corresponding to a display panel; a second buffer including second and fourth output units driven in a range of a negative output signal included in the output voltage domain corresponding to the display panel; a first body control unit configured to control a body voltage of the first output unit and the second output unit; and a second body control unit configured to control a body voltage of the third output unit and the fourth output unit.

公开(公告)号：US20170048947A1

公开(公告)日：2017-02-16

申请号：US15228080

申请日：2016-08-04

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Geun KIM ,  Ki Chul AN

IPC: H05B33/08

CPC classification number: H05B33/083 ,  H05B33/0809 ,  H05B33/0824 ,  H05B37/029 ,  Y10T307/453

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.

Abstract translation: 公开了使用LED作为光源的照明装置。 照明装置可以根据整流电压串联或并联连接第一和第二照明单元，改变与第一和第二照明单元的光发射相对应的第一和第二驱动电流中的一个或多个，并且具有整流电压的通用性。

公开(公告)号：US20160379548A1

公开(公告)日：2016-12-29

申请号：US15181577

申请日：2016-06-14

Applicant: SILICON WORKS CO., LTD.

Inventor： Ju Young SHIN ,  Jung Bae YUN ,  Yong Jung KWON ,  Jeung Hie CHOI

IPC: G09G3/20 ,  G09G3/00

CPC classification number: G09G3/2096 ,  G09G3/006 ,  G09G3/20 ,  G09G2310/0275 ,  G09G2330/12

Abstract: Disclosed is a source driver including a sensing circuit capable of sensing whether a short occurred between a data output line and a power line. The source driver may include: an output circuit configured to output a preset voltage to a display panel in a checking mode; and a sensing circuit configured to sense whether data output lines connecting the output circuit and the display panel are shorted, using the preset voltage, and output a sensing result signal.

Abstract translation: 公开了一种源驱动器，其包括能够感测在数据输出线和电源线之间是否发生短路的感测电路。 源极驱动器可以包括：输出电路，被配置为以检查模式将预设电压输出到显示面板; 以及感测电路，被配置为使用预设电压来感测连接输出电路和显示面板的数据输出线是否短路，并输出感测结果信号。

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。

公开(公告)号：US09412308B2

公开(公告)日：2016-08-09

申请号：US14499376

申请日：2014-09-29

Applicant: SILICON WORKS CO., LTD.

Inventor： Kyung Jik Min ,  Hyun Kyu Jeon ,  Yong Ik Jung ,  Hyun Ho Cho ,  Young Bok Kim

IPC: G11C27/02 ,  G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2310/0294 ,  G09G2320/0295 ,  G09G2320/045 ,  G11C27/026

Abstract: A sample and hold circuit may include: a main sample and hold circuit configured to sample and hold pixel information of an organic light emitting diode (OLED) cell, and output a first output signal; and a dummy sample and hold circuit configured to sample and hold a reference voltage in synchronization with the main sample and hold circuit, and output a second output signal for offsetting a switching noise signal contained in the first output signal.

Abstract translation: 采样和保持电路可以包括：主采样和保持电路，被配置为采样和保持有机发光二极管（OLED）单元的像素信息，并输出第一输出信号; 以及虚拟采样保持电路，被配置为与主采样和保持电路同步地采样和保持参考电压，并且输出用于抵消包含在第一输出信号中的开关噪声信号的第二输出信号。

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。

公开(公告)号：US09356522B2

公开(公告)日：2016-05-31

申请号：US14403782

申请日：2013-05-31

Applicant: SILICON WORKS CO., LTD.

Inventor： Ju Pyo Hong ,  Jun Ho Kim

IPC: H05B33/08 ,  H02M3/335 ,  H02M1/42 ,  H02M1/14

CPC classification number: H02M3/33507 ,  H02M1/14 ,  H02M1/42 ,  H02M1/4258 ,  H05B33/0815 ,  H05B33/0818 ,  Y02B70/126

Abstract: The present invention discloses a power supply circuit for driving an LED lamp and a power supply method. The power supply circuit is constituted by an AC-DC converter by adopting DCM-DCM. Also, the power supply circuit adopts a valley fill circuit to reduce rippling of output current and adopts the DCM-DCM to stabilize a link voltage, thereby realizing a power factor correction circuit having two-stage structures. Thus, an input voltage of the flyback converter may be improved, and a high reverse voltage may be applied.

Abstract translation: 本发明公开了一种用于驱动LED灯的电源电路和电源方式。 电源电路由采用DCM-DCM的AC-DC转换器构成。 此外，电源电路采用谷底填充电路，减少输出电流的波纹，采用DCM-DCM稳定链路电压，实现了具有两级结构的功率因数校正电路。 因此，可以提高反激式转换器的输入电压，并且可以施加高的反向电压。