公开(公告)号：US09791916B2

公开(公告)日：2017-10-17

申请号：US14511635

申请日：2014-10-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-hyung Lee ,  Gil-yong Chang

IPC: H01H35/00 ,  H01H83/00 ,  G06F3/00 ,  G06F1/26 ,  H02H9/00

CPC classification number: G06F3/00 ,  G06F1/26 ,  H02H9/002 ,  Y10T307/766

Abstract: A control circuit is provided. The control circuit includes a load switch, and a controller configured to transfer a turn-on signal which is increased step by step to the load switch, and perform a soft start operation which turns on the load switch. In response to the load switch being turned on, the control circuit restricts an inrush current flowing in the load switch.

公开(公告)号：US09720638B2

公开(公告)日：2017-08-01

申请号：US14818831

申请日：2015-08-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-yong Joo ,  Jin-hyung Lee ,  Gil-yong Chang

IPC: G06F3/14

CPC classification number: G06F3/1446 ,  G09G2300/026 ,  G09G2300/04 ,  G09G2310/08 ,  G09G2330/026

Abstract: Provided are a display system including a plurality of display apparatuses and a control method of the same. The display system including a plurality of display apparatuses comprises a first display apparatus configured to display an image to constitute a multi-screen, and receive power from a single power source; and a second display apparatus configured to display an image to constitute the multi-screen, and receive power from the single power source, wherein the second display apparatus starts operation after the first display apparatus enters a normal driving state.

公开(公告)号：US09711435B2

公开(公告)日：2017-07-18

申请号：US14448190

申请日：2014-07-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youn-seung Lee ,  Jin-hyung Lee ,  Gil-yong Chang

IPC: H01L23/495 ,  H01L23/31 ,  H01L23/60

CPC classification number: H01L23/49524 ,  H01L23/3107 ,  H01L23/49562 ,  H01L23/60 ,  H01L2224/48247 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A semiconductor device is provided. The semiconductor device may include a frame portion on which at least one semiconductor chip is arranged; a plurality of leads electrically connected to the semiconductor chip; and a mold portion formed on the frame portion to surround a part of the frame portion on which the semiconductor chip and the plurality of leads are arranged, wherein a gap between closest portions of the respective leads is at least 2.9 mm.

公开(公告)号：US09674905B2

公开(公告)日：2017-06-06

申请号：US14325840

申请日：2014-07-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-hyung Lee ,  Youn-seung Lee ,  Gil-yong Chang

IPC: H05B33/08 ,  G09G3/34 ,  G09G3/3283

CPC classification number: H05B33/0815 ,  G09G3/3283 ,  G09G3/3406 ,  H05B33/0812 ,  H05B33/0827 ,  Y02B20/345 ,  Y02B20/347

Abstract: A display apparatus including: a display; a driver including an amplifier configured to detect a current of the display and to generate a constant current control signal, and a transistor configured to adjust the current supplied to the display in accordance an output voltage of the amplifier; and a controller configured to monitor the current of the display and a dropout voltage of the transistor, and control the amplifier so that a pulse width modulation (PWM) duty ratio is decreased in response to the dropout voltage being equal to or higher than a reference voltage.

公开(公告)号：US09559599B2

公开(公告)日：2017-01-31

申请号：US14306682

申请日：2014-06-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-hyung Lee ,  Gil-yong Chang

IPC: H02M3/335 ,  H02M1/00

CPC classification number: H02M3/33523 ,  H02M2001/0032 ,  H02M2001/0035 ,  Y02B70/16

Abstract: An electronic apparatus includes a system portion configured to operate with a received voltage, and a power supply including a pulse width modulation (PWM) generator to generate a PWM signal, a converter to transfer voltage from a primary side to a secondary side in accordance with an output voltage of the PWM generator, and an output portion to supply voltage at the secondary side as standby voltage to the system portion, the PWM generator receives feedback on the standby voltage at the secondary side of the converter, the PWM signal is turned on/off in accordance with levels of the standby voltage at the secondary side, and voltage being supplied to components, except, when the PWM signal is turned off, voltage at the secondary side is only supplied to a component that monitors the feedback of the standby voltage.

Abstract translation: 电子设备包括被配置为以接收电压进行操作的系统部分和包括脉宽调制（PWM）发生器的电源以产生PWM信号，转换器根据第一侧将电压从初级侧传送到次级侧 PWM发生器的输出电压和向次级侧供给电压的输出部分作为系统部分的待机电压，PWM发生器接收到在转换器的次级侧的备用电压的反馈，PWM信号被接通 根据二次侧的待机电压的电平和电压被提供给部件，除了当PWM信号被关闭之后，次级侧的电压仅被提供给监视待机的反馈的部件 电压。

公开(公告)号：US09531274B2

公开(公告)日：2016-12-27

申请号：US14250835

申请日：2014-04-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Won-myung Woo ,  Jin-hyung Lee ,  Gil-yong Chang

IPC: H02M3/335 ,  H02M1/08 ,  H02M3/337 ,  H02M1/38 ,  H02M1/00

CPC classification number: H02M3/33507 ,  H02M1/08 ,  H02M1/38 ,  H02M3/3376 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1491

Abstract: A resonant converter, a power supply and a power controlling method thereof are provided. The power supply includes a resonant converter which includes a square wave generator configured to alternately turn on and off first and second switches according to a frequency to generate a square wave, a resonant wave generator configured to generate a resonant wave corresponding to the square wave and a rectifier configured to output a voltage corresponding to the resonant wave; and a controller configured to control a frequency modulation of the resonant converter, wherein the controller includes a variable switching circuit configured to increase the frequency of the resonant converter in response to the resonant converter entering a capacitive mode.

Abstract translation: 提供了一种谐振变换器，电源及其功率控制方法。 电源包括谐振变换器，其包括方波发生器，被配置为根据频率交替地接通和关断第一和第二开关以产生方波;谐振波发生器，被配置为产生对应于方波的谐振波;以及 整流器，被配置为输出对应于谐振波的电压; 以及控制器，其被配置为控制所述谐振转换器的频率调制，其中所述控制器包括可变开关电路，所述可变开关电路被配置为响应于所述谐振转换器进入电容模式而增加所述谐振转换器的频率。

公开(公告)号：US09392667B2

公开(公告)日：2016-07-12

申请号：US14511620

申请日：2014-10-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-hyung Lee ,  Gil-yong Chang

IPC: H05B33/08 ,  G09G3/34 ,  G09G3/36

CPC classification number: H05B33/0887 ,  G09G3/3406 ,  G09G3/36 ,  G09G2330/08 ,  G09G2330/12 ,  H05B33/0845

Abstract: A backlight unit, the backlight unit including a light-emitting diode (LED) module; a switching element connected to the LED module; and a controller configured to supply a driving voltage to the LED module, control a switching operation of the switching element, provide a constant current to the LED module, sense an operational error in the switching element, and control the driving voltage of the LED module in response to the sensed operational error.

Abstract translation: 背光单元，所述背光单元包括发光二极管（LED）模块; 连接到所述LED模块的开关元件; 以及控制器，被配置为向LED模块提供驱动电压，控制开关元件的开关操作，向LED模块提供恒定电流，感测开关元件中的操作误差，并控制LED模块的驱动电压 响应于感测到的操作错误。