公开(公告)号：US20180158407A1

公开(公告)日：2018-06-07

申请号：US15811922

申请日：2017-11-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chong Chul CHAI ,  Dong Woo KIM ,  Kyoung Ju SHIN ,  Bo Yong CHUNG

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0216 ,  G09G2310/08 ,  G09G2320/0214 ,  G09G2320/045 ,  G09G2320/0626 ,  G09G2330/023 ,  H01L27/1225 ,  H01L29/78672 ,  H01L29/7869

Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.

公开(公告)号：US20160104419A1

公开(公告)日：2016-04-14

申请号：US14693161

申请日：2015-04-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bo Yong CHUNG ,  Dong Gyu KIM ,  Hai Jung IN

IPC: G09G3/32

CPC classification number: G09G3/3225 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2320/0233 ,  G09G2320/045 ,  G09G2330/12

Abstract: A pixel of an organic light emitting display includes first through fourth transistors and a capacitor. The first transistor operates based on a scan signal and is connected between a data line and a first node. The capacitor is connected between the first node and a second node. The second transistor operates based on a gate signal and is connected between a first power voltage and a third node. The third transistor operates based on compensation control line signal and is connected between the second node and the third node. The fourth transistor operates based on sensing control line signal and is connected between the data line and the third node. The organic light emitting element is connected between the third node and a second power voltage.

Abstract translation: 有机发光显示器的像素包括第一至第四晶体管和电容器。 第一晶体管基于扫描信号进行工作，并连接在数据线和第一节点之间。 电容器连接在第一节点和第二节点之间。 第二晶体管基于栅极信号操作并且连接在第一电源电压和第三节点之间。 第三晶体管基于补偿控制线信号进行工作，并连接在第二节点和第三节点之间。 第四晶体管基于感测控制线信号进行工作，并连接在数据线和第三节点之间。 有机发光元件连接在第三节点和第二电源电压之间。

公开(公告)号：US20240127748A1

公开(公告)日：2024-04-18

申请号：US18486014

申请日：2023-10-12

Applicant: Samsung Display Co., LTD.

Inventor： Hyuk KIM ,  Jong Hee KIM ,  Doo Young LEE ,  Chang Soo LEE ,  Sang Uk LIM ,  Bo Yong CHUNG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2320/043

Abstract: A display device includes a scan driver to supply scan signals to first and second scan lines, a data driver to supply a data signal to data lines, a sensor connected to sensing lines, and pixels including a light-emitting element, a driving transistor to control an amount of current supplied to the light-emitting element in response to a voltage of a first node, a switching transistor between a j-th data line and the first node, and including a gate electrode coupled to an i-th first scan line, and a sensing transistor coupled between a second node, which is between the light-emitting element and the driving transistor, and a k-th sensing line, and including a gate electrode coupled to an i-th second scan line, and wherein the sensor is to sense deterioration information of the light-emitting element in a state in which the switching and sensing transistors are turned on.

公开(公告)号：US20240029642A1

公开(公告)日：2024-01-25

申请号：US18375566

申请日：2023-10-02

Applicant: Samsung Display Co., Ltd.

Inventor： Yang Hwa CHOI ,  Bo Yong CHUNG

IPC: G09G3/32 ,  G09G3/3266

CPC classification number: G09G3/32 ,  G09G3/3266 ,  G09G2310/06 ,  G09G2310/0264 ,  G09G2310/0286 ,  G09G2300/0852

Abstract: A scan driver includes a first transistor including gate, first, and second electrodes coupled to a Q node, a scan clock line, and a scan line. A second transistor includes gate and first electrodes coupled to a scan carry line, and a second electrode coupled to the Q node. A third transistor includes gate and first electrodes coupled to a first control line and a sensing carry line. A fourth transistor includes a gate and first electrode coupled to the sensing carry line and the third transistor first electrode. A fifth transistor includes gate, first, and second electrodes coupled to a fourth transistor second electrode, a second control line, and a node. A capacitor includes first and second electrodes coupled to the fifth transistor first and gate electrodes. A sixth transistor includes gate, first, and second electrodes coupled to a third control line, the node, and the Q node.

公开(公告)号：US20240013722A1

公开(公告)日：2024-01-11

申请号：US18473549

申请日：2023-09-25

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul CHAI ,  Dong Woo KIM ,  Kyoung Ju SHIN ,  Bo Yong CHUNG

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2320/0233 ,  G09G2310/08 ,  G09G2310/0262

Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.

公开(公告)号：US20210264856A1

公开(公告)日：2021-08-26

申请号：US17318564

申请日：2021-05-12

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul CHAI ,  Dong Woo KIM ,  Kyoung Ju SHIN ,  Bo Yong CHUNG

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3258

Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.

公开(公告)号：US20210104197A1

公开(公告)日：2021-04-08

申请号：US17065075

申请日：2020-10-07

Applicant: Samsung Display Co., LTD.

Inventor： Yang Hwa CHOI ,  Bo Yong CHUNG ,  Tak Young LEE ,  Sang Uk LIM

IPC: G09G3/3266

Abstract: A scan driver for a display device includes a plurality of stages outputting scan signals. A first stage of the plurality of stages includes first to sixth transistors connected to a first carry clock line, a carry line, a previous carry line, and a second carry clock line. In a first frame period, the second carry clock line is configured to receive a second carry clock signal having at least one pulse with substantially the same phase as at least one of first pulses of a first carry clock signal to be applied to the first carry clock line.

公开(公告)号：US20210056910A1

公开(公告)日：2021-02-25

申请号：US16935303

申请日：2020-07-22

Applicant: Samsung Display Co, Ltd.

Inventor： Bo Yong CHUNG ,  Tak Young LEE ,  Sang Uk LIM

IPC: G09G3/3266 ,  G09G3/3258 ,  G09G3/3275

Abstract: A stage and a scan driver having the same. The stage outputs a scan signal and a sensing signal to a scan line and a sensing line, respectively. The stage includes a first controller configured to control a voltage of a sensing node and a driving node based on first to third control signals and a carry signal of the stage and another stage connected to the stage, a second controller configured to control a voltage of an inversion driving node based on a first carry clock signal, the voltage of the driving node, and the third control signal, and a first output buffer configured to output a second carry clock signal or a second low potential power as the carry signal in correspondence with the voltage of the driving node and the inversion driving node.

公开(公告)号：US20180166516A1

公开(公告)日：2018-06-14

申请号：US15838693

申请日：2017-12-12

Applicant: SAMSUNG DISPLAY CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang Univertiy)

Inventor： Chong Chul CHAI ,  Oh Kyong KWON ,  Nack Hyeon KEUM ,  Kyong Hwan OH ,  Bo Yong CHUNG ,  An Su LEE

IPC: H01L27/32 ,  G09G3/3233

CPC classification number: H01L27/3244 ,  G09G3/3225 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/043 ,  H01L27/32 ,  H01L27/3262 ,  H01L27/3276

Abstract: A pixel includes first through fourth transistors and storage capacitor. The first transistor controls an amount of current flowing from a first driving power source to a second driving power source, via an organic light-emitting diode, based on a voltage of a first node. The second transistor is coupled between a first electrode of the first transistor and the first node, and is turned on when a scan signal is supplied to a scan line. The third transistor is coupled between a second electrode of the first transistor and a reference power source, and is turned on when the scan signal is supplied. The fourth transistor is coupled between an anode electrode of the organic light-emitting diode and a data line, and is turned on when the scan signal is supplied. The storage capacitor is coupled between the first node and the anode electrode of the organic light-emitting diode.