公开(公告)号：US20170206840A1

公开(公告)日：2017-07-20

申请号：US15369321

申请日：2016-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Geun-Ho Cho ,  Yong-Sung Park

IPC: G09G3/3266 ,  G09G3/3291

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0842 ,  G09G2310/0251 ,  G09G2310/0286 ,  G09G2310/067 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0295

Abstract: A scan driver includes a plurality of stages for respectively outputting a plurality of scan signals, an N-th stage of the stages including a shift register for outputting an N-th carry signal based on a frame start signal or based on a carry signal from a previous stage, and an output control block for outputting the N-th carry signal as an N-th scan signal in a display mode, and for repeatedly outputting active periods of the N-th scan signal during an active period of the N-th carry signal in a sensing mode, wherein N is a positive integer.

公开(公告)号：US09552796B2

公开(公告)日：2017-01-24

申请号：US14628127

申请日：2015-02-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tak-Young Lee ,  Yong-Sung Park ,  Young-In Hwang ,  Chul-Kyu Kang

IPC: G09G5/18 ,  G09G3/32

CPC classification number: G09G5/18 ,  G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/046

Abstract: A degradation compensating pixel circuit includes: an organic light emitting diode (OLED); a driving circuit including a first capacitor and a first transistor, the first capacitor being configured to be charged in response to a data signal and a scan signal, the first transistor being configured to drive the OLED according to a first voltage between first and second terminals of the first capacitor, the first terminal of the first capacitor being configured to receive a supply voltage, the second terminal of the first capacitor being coupled to a gate terminal of the first transistor; and a degradation compensating circuit coupled to a source terminal of the first transistor and the gate terminal of the first transistor, the degradation compensating circuit being configured to change the first voltage according to a first current of the first transistor.

Abstract translation: 劣化补偿像素电路包括：有机发光二极管（OLED）; 包括第一电容器和第一晶体管的驱动电路，所述第一电容器被配置为响应于数据信号和扫描信号而被充电，所述第一晶体管被配置为根据第一和第二端子之间的第一电压来驱动所述OLED 所述第一电容器的第一端子被配置为接收电源电压，所述第一电容器的第二端子耦合到所述第一晶体管的栅极端子; 以及劣化补偿电路，其耦合到所述第一晶体管的源极端子和所述第一晶体管的所述栅极端子，所述劣化补偿电路被配置为根据所述第一晶体管的第一电流来改变所述第一电压。

公开(公告)号：US20160012780A1

公开(公告)日：2016-01-14

申请号：US14709310

申请日：2015-05-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tak-Young Lee ,  Yong-Sung Park

IPC: G09G3/32 ,  G09G5/18

CPC classification number: G09G3/3291 ,  G09G3/325 ,  G09G2300/0426 ,  G09G2300/0814 ,  G09G2320/045 ,  G09G2330/021

Abstract: There is provided a pixel having an improved display quality. The pixel includes an OLED, a first transistor including a first electrode coupled to a data line and a second electrode coupled to an anode electrode of the OLED, and configured to control a current supplied to the OLED based on a voltage applied to a first node; a second transistor coupled between the data line and a second node; a third transistor coupled between the second node and a first power line for supplying reference power; and a first capacitor coupled between the first node and the second node.

Abstract translation: 提供了具有改善的显示质量的像素。 像素包括OLED，第一晶体管，其包括耦合到数据线的第一电极和耦合到OLED的阳极电极的第二电极，并且被配置为基于施加到第一节点的电压来控制提供给OLED的电流 ; 耦合在所述数据线和第二节点之间的第二晶体管; 耦合在所述第二节点和用于提供参考功率的第一电力线之间的第三晶体管; 以及耦合在第一节点和第二节点之间的第一电容器。

公开(公告)号：US20150348464A1

公开(公告)日：2015-12-03

申请号：US14535059

申请日：2014-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Yong-Sung Park

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/2022 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/063 ,  G09G2320/0233 ,  G09G2320/045

Abstract: A pixel circuit and an electroluminescent display including the same are disclosed. In one aspect, the pixel circuit includes a scan transistor connected between a data line and a first node and having a gate electrode configured to receive a scan signal, a driving transistor connected between a first power supply voltage and a third node and having a gate electrode connected to a second node, an emission control transistor connected between the third node and a fourth node and having a gate electrode configured to receive an emission control signal, a light-emitting diode connected between the fourth node and a second power supply voltage less than the first power supply voltage, and a compensation circuit initializes the second node to an initial voltage during a first compensation period and electrically connects the second node to the third node during a second compensation period following the first compensation period.

Abstract translation: 公开了一种像素电路和包括该像素电路的电致发光显示器。 在一个方面中，像素电路包括连接在数据线和第一节点之间的扫描晶体管，并且具有被配置为接收扫描信号的栅电极，连接在第一电源电压和第三节点之间并具有栅极的驱动晶体管 连接到第二节点的发射控制晶体管，连接在第三节点和第四节点之间并且具有被配置为接收发射控制信号的栅电极的发射控制晶体管，连接在第四节点与第二电源电压之间的发光二极管 并且补偿电路在第一补偿周期期间将第二节点初始化为初始电压，并且在第一补偿周期之后的第二补偿周期期间将第二节点电连接到第三节点。

公开(公告)号：US20150302793A1

公开(公告)日：2015-10-22

申请号：US14504331

申请日：2014-10-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hai-Jung In ,  Yong-Sung Park

IPC: G09G3/32 ,  G09G5/18

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G5/18 ,  G09G2230/00 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/063 ,  G09G2320/0693 ,  G09G2360/147

Abstract: Each pixel of a display device includes: an organic light emitting diode between a first and a second power supply; a first transistor to transmit a drive current based on data signals; a second transistor to couple a gate electrode of the first transistor to the data line in response to a scan signal; a first capacitor between the first power supply and the gate electrode of the first transistor; a light receiving element coupled to a third power supply; a second capacitor between the light receiving element and a fourth power supply; a third transistor between the data line and a first electrode of the second capacitor, the third transistor including a gate electrode coupled to a selection signal line; and a fourth transistor between the fourth power supply and the third transistor, the fourth transistor including a gate electrode coupled to the first electrode of the second capacitor.

Abstract translation: 显示装置的每个像素包括：在第一和第二电源之间的有机发光二极管; 基于数据信号传输驱动电流的第一晶体管; 第二晶体管，用于响应于扫描信号将第一晶体管的栅电极耦合到数据线; 所述第一电源和所述第一晶体管的栅电极之间的第一电容器; 耦合到第三电源的光接收元件; 在所述光接收元件和第四电源之间的第二电容器; 在所述数据线和所述第二电容器的第一电极之间的第三晶体管，所述第三晶体管包括耦合到选择信号线的栅电极; 以及在第四电源和第三晶体管之间的第四晶体管，第四晶体管包括耦合到第二电容器的第一电极的栅电极。

公开(公告)号：US20140354518A1

公开(公告)日：2014-12-04

申请号：US14276954

申请日：2014-05-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong-Sung Park ,  Min-Hyuk Choi ,  Dong-Gyu Kim

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2310/067 ,  G09G2320/043 ,  G09G2330/08 ,  G09G2330/10

Abstract: A pixel includes a plurality of organic light emitting diodes, each of which including a cathode electrode coupled to a second power source, a pixel circuit coupled to a scan line and to a data line, the pixel circuit configured to control current supplied from a first power source to the organic light emitting diodes corresponding to a data signal supplied to the data line, and first transistors between the pixel circuit and respective ones of the organic light emitting diodes, the first transistors configured to be turned on or to be turned off when a low emission control signal is supplied to a first emission control line, wherein a scan signal supplied to the scan line is a first voltage, and wherein the low emission control signal is a second voltage that is different than the first voltage.

Abstract translation: 像素包括多个有机发光二极管，每个有机发光二极管包括耦合到第二电源的阴极电极，耦合到扫描线和数据线的像素电路，所述像素电路被配置为控制从第一 对应于提供给数据线的数据信号的有机发光二极管的电源以及像素电路和有机发光二极管中的相应的有机发光二极管之间的第一晶体管，第一晶体管被配置为导通或关闭， 低发射控制信号被提供给第一发射控制线，其中提供给扫描线的扫描信号是第一电压，并且其中低发射控制信号是不同于第一电压的第二电压。

公开(公告)号：US20140198085A1

公开(公告)日：2014-07-17

申请号：US14148667

申请日：2014-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Yong-Sung Park ,  Tak-Young Lee ,  Hai-Jung In ,  Bo-Yong Chung ,  Min-Hyuk Choi ,  Yong-Jae Kim

IPC: G09G3/32

CPC classification number: G09G3/3241 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0245 ,  G09G2310/0251 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2360/148

Abstract: A pixel includes an organic light emitting diode, a first driver and a second driver. The second driver controls an amount of current supplied from a first power source to the organic light emitting diode, corresponding to a previous data signal. The first driver stores a current data signal supplied from a data line and supplies the previous data signal to the second driver. In the pixel, the second driver includes a sixth transistor coupled between an initialization power source and a first node coupled to a gate electrode of a first transistor, the sixth transistor being configured to turn on when a first control signal is supplied; and a seventh transistor coupled between the first power source and a second node commonly coupled to the first and second drivers, the seventh transistor being configured to turn on when the first control signal is supplied.

Abstract translation: 像素包括有机发光二极管，第一驱动器和第二驱动器。 第二驱动器控制从先前数据信号对应于从第一电源向有机发光二极管提供的电流量。 第一驱动器存储从数据线提供的当前数据信号，并将先前的数据信号提供给第二驱动器。 在像素中，第二驱动器包括耦合在初始化电源和耦合到第一晶体管的栅电极的第一节点之间的第六晶体管，第六晶体管被配置为当提供第一控制信号时导通; 以及耦合在所述第一电源和共同耦合到所述第一和第二驱动器的第二节点之间的第七晶体管，所述第七晶体管被配置为当所述第一控制信号被提供时导通。