公开(公告)号：US20170170726A1

公开(公告)日：2017-06-15

申请号：US15183934

申请日：2016-06-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seok Hwan LEE ,  Jong Jae LEE ,  Yang Uk NAM ,  Se Young HEO ,  Jun Ki HONG

IPC: H02M3/156 ,  G09G3/20 ,  H02M1/08

CPC classification number: H02M3/156 ,  G09G3/2092 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/08 ,  G09G2330/028 ,  H02M1/08 ,  H02M2001/0006 ,  H02M2001/0025

Abstract: A power supply includes a voltage converter circuit which converts an input voltage into an output voltage and outputs the output voltage, a voltage controller which controls the voltage converter circuit in response to a first feedback voltage or a second feedback voltage, a feedback terminal which supplies the first feedback voltage, an internal voltage divider circuit which supplies the second feedback voltage, and a switch unit which transfers the first feedback voltage or the second feedback voltage to the voltage controller.

公开(公告)号：US20170098409A1

公开(公告)日：2017-04-06

申请号：US15133797

申请日：2016-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se Young HEO ,  Jong Jae LEE ,  Seok Hwan LEE ,  Jun Ki HONG

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G3/3266 ,  G09G3/3677 ,  G09G3/3696 ,  G09G2300/0426 ,  G09G2310/0202 ,  G09G2310/0267 ,  G09G2310/027 ,  G09G2310/0289 ,  G09G2310/08 ,  G09G2320/041 ,  G09G2330/00 ,  G09G2330/02 ,  G09G2330/028

Abstract: A display device includes a display unit including pixels coupled to scan lines and data lines, a data driver which supplies a data signal to pixels through the data lines, a scan driver which generates a scan signal using a first scan voltage and a second scan voltage, and supplying the scan signal to the pixels through the scan lines, a processor which generates first scan voltage information by setting a first scan voltage level, based on an ambient temperature of the display device, a timing controller which generates a power control signal using the first scan voltage information and delta voltage information, and a power supply which generates the first scan voltage and a delta voltage using the power control signal, and generates the second scan voltage by dropping the delta voltage from the first scan voltage.

公开(公告)号：US20170070045A1

公开(公告)日：2017-03-09

申请号：US15135935

申请日：2016-04-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun ki HONG ,  Jong Jae LEE ,  Seok Hwan LEE ,  Se Young HEO

IPC: H02H9/02

Abstract: An overcurrent protective system includes a current detector which detects a current flowing in an element which is to be protected by the overcurrent protective system, an overcurrent counting unit which selects an overcurrent sensing level corresponding to the element among a plurality of overcurrent sensing levels which are threshold values becoming standards for determining whether the current detected by the current detector is a normal current or an overcurrent and which determines whether the current is the overcurrent or not by comparing the current with the selected overcurrent sensing level, and a controller which decreases an output voltage of a circuit which is to be protected by the overcurrent protective system and includes the element when the current flowing in the element is determined as the overcurrent.

Abstract translation: 过电流保护系统包括电流检测器，其检测在要由过电流保护系统保护的元件中流动的电流;过电流计数单元，其选择与多个过电流感测电平中的元件相对应的过电流感测电平， 阈值成为确定电流检测器检测到的电流是正常电流还是过电流的标准，并且通过将电流与所选择的过电流感测电平进行比较来确定电流是否为过电流;以及控制器，其减小输出 当流过元件的电流被确定为过电流时，被过电流保护系统保护的电路的电压包括元件。

公开(公告)号：US20160203746A1

公开(公告)日：2016-07-14

申请号：US14919162

申请日：2015-10-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jundal KIM ,  Sujin KIM ,  Yoonsik PARK ,  Jang hee PARK ,  Jong jae LEE ,  Se Young HEO ,  Junki HONG

IPC: G09G3/20

CPC classification number: G09G3/3696 ,  G09G3/3688 ,  G09G2320/0223 ,  G09G2330/021

Abstract: A display device includes: a display panel including a plurality of pixels; a driving circuit configured to control the plurality of pixels; and a power controller configured to apply an output voltage to the driving circuit and to receive a feedback signal indicating an input level of the output voltage applied at an input of the driving circuit. The power controller is configured to adjust an output level of the output voltage in response to the feedback signal.

Abstract translation: 显示装置包括：显示面板，包括多个像素; 配置为控制所述多个像素的驱动电路; 以及功率控制器，被配置为向所述驱动电路施加输出电压并且接收指示施加在所述驱动电路的输入端的输出电压的输入电平的反馈信号。 功率控制器被配置为响应于反馈信号来调节输出电压的输出电平。

公开(公告)号：US20140078188A1

公开(公告)日：2014-03-20

申请号：US13740711

申请日：2013-01-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eui-Dong HWANG ,  Bon-Sung KOO ,  Jun Dal KIM ,  Jong Jae LEE ,  Se Young HEO

IPC: G09G3/36

CPC classification number: G09G3/3622 ,  G09G3/3648 ,  G09G3/3696 ,  G09G2320/0276 ,  G09G2330/026 ,  G09G2330/027

Abstract: A driving device of a display device includes: a reference voltage generator configured to receive a high potential power supply voltage, a low potential power supply voltage and a medium power supply voltage and to generate reference voltages between the high potential power supply voltage and the low potential power supply voltage, where the low potential power supply voltage is lower than the high potential power supply voltage, and the medium power supply voltage has a value between the high potential power supply voltage and the low potential power supply voltage; a gray reference voltage generator configured to receive and divide the reference voltages and to generate gray reference voltages; and a data driver configured to receive the gray reference voltages and the high and medium potential power supply voltages, and to generate data voltages using the gray reference voltages and the high and medium potential power supply voltages.

Abstract translation: 显示装置的驱动装置包括：参考电压发生器，被配置为接收高电位电源电压，低电位电源电压和中等电源电压，并且在高电位电源电压和低电平电压之间产生参考电压 潜在电源电压，其中低电位电源电压低于高电位电源电压，并且中间电源电压具有在高电位电源电压和低电位电源电压之间的值; 配置为接收和划分参考电压并产生灰色参考电压的灰色参考电压发生器; 以及数据驱动器，被配置为接收灰色参考电压和高和中等电位电源电压，并且使用灰色参考电压和高和中等电位电源电压产生数据电压。