公开(公告)号：US20150214137A1

公开(公告)日：2015-07-30

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

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.

Abstract translation: 提供半导体器件。 半导体器件可以包括其上布置有至少一个半导体芯片的框架部分; 电连接到半导体芯片的多个引线; 以及形成在框架部分上以围绕其上布置有半导体芯片和多个引线的框架部分的一部分的模具部分，其中各个引线的最近部分之间的间隙为至少2.9mm。

公开(公告)号：US20150131332A1

公开(公告)日：2015-05-14

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

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

Abstract: Disclosed are an electronic apparatus and a power controlling method thereof, the electronic apparatus including 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: 公开了一种电子设备及其电力控制方法，该电子设备包括被配置为以接收电压工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，转换器转移 根据PWM发生器的输出电压从初级侧到次级侧的电压以及将次级侧的电压提供给系统部分的待机电压的输出部分，PWM发生器接收关于系统部分的待机电压的反馈 转换器的二次侧，PWM信号根据次级侧的待机电压的电平和向元件提供的电压而导通/截止，除了当PWM信号关闭时，次级侧的电压为 只提供给监视待机电压反馈的组件。

公开(公告)号：US20150130861A1

公开(公告)日：2015-05-14

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: G09G3/34 ,  G09G3/36 ,  G09G3/32 ,  H05B33/08

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.

Abstract translation: 一种显示装置，包括：显示器; 驱动器，其包括被配置为检测所述显示器的电流并产生恒定电流控制信号的放大器，以及晶体管，被配置为根据所述放大器的输出电压调整提供给所述显示器的电流; 以及控制器，其被配置为监视所述显示器的电流和所述晶体管的压差电压，并且控制所述放大器，使得脉冲宽度调制（PWM）占空比响应于所述压差电压等于或高于参考值而减小 电压。

公开(公告)号：US20160041805A1

公开(公告)日：2016-02-11

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 ,  G09G3/00

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.

Abstract translation: 提供了一种显示系统，包括多个显示装置及其控制方法。 包括多个显示装置的显示系统包括被配置为显示图像以构成多屏幕并从单个电源接收电力的第一显示装置; 以及第二显示装置，被配置为显示构成多画面的图像，并且从单个电源接收电力，其中第二显示装置在第一显示装置进入正常驱动状态之后开始操作。

公开(公告)号：US20150271893A1

公开(公告)日：2015-09-24

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 ,  G09G3/36 ,  G09G3/34

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。

公开(公告)号：US20150253743A1

公开(公告)日：2015-09-10

申请号：US14511635

申请日：2014-10-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-hyung LEE ,  Gil-yong CHANG

IPC: G05B11/01 ,  G06F3/00

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.

Abstract translation: 提供控制电路。 控制电路包括负载开关和被配置为传递逐步增加到负载开关的接通信号的控制器，并执行接通负载开关的软启动操作。 响应负载开关导通，控制电路限制在负载开关中流动的浪涌电流。

公开(公告)号：US20140369083A1

公开(公告)日：2014-12-18

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

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。