公开(公告)号：US10909923B2

公开(公告)日：2021-02-02

申请号：US16812979

申请日：2020-03-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Hwi Kim ,  Na Young Kim ,  Chul Ho Kim ,  Wang Jo Lee ,  Jin Jeon

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3275 ,  G09G3/3266 ,  H01L27/12

Abstract: A pixel circuit includes first to fifth transistors, a capacitor, and a light emitting element. The first transistor is coupled between first and second power lines, and includes a gate electrode coupled to a first node and a back-gate electrode coupled to a second node. The second transistor is coupled between a data line and the first node, and includes a gate electrode coupled to a first scan line. The third transistor is coupled between a third power line and the first node, and includes a gate electrode coupled to a reference scan line. The fourth transistor is coupled between a second node and a fourth power line, and includes a gate electrode coupled to a second scan line. The fifth transistor is coupled between a first power line and the one electrode of the first transistor, and includes a gate electrode coupled to a light-emitting control line.

公开(公告)号：US09607551B2

公开(公告)日：2017-03-28

申请号：US14678477

申请日：2015-04-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyu Kim ,  Na Young Kim

IPC: G09G3/30 ,  G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2320/043

Abstract: An organic light-emitting display device is provided. An organic light-emitting display device, comprising: a first transistor including a gate electrode connected to a scan line, a first electrode connected to a data line and a second electrode connected to a first node; a second transistor including a gate electrode connected to the first node, a first electrode connected to a first power supply voltage and a second electrode connected to a second node; a third transistor including a gate electrode connected to a sensing control line, a first electrode connected to the scan line and a second electrode connected to the second node; and an organic light-emitting element including an anode electrode connected to the second node and a cathode electrode connected to a second power supply voltage.

公开(公告)号：US20160104425A1

公开(公告)日：2016-04-14

申请号：US14678477

申请日：2015-04-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyu Kim ,  Na Young Kim

IPC: G09G3/32 ,  H01L27/32

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2320/043

Abstract: An organic light-emitting display device is provided. An organic light-emitting display device, comprising: a first transistor including a gate electrode connected to a scan line, a first electrode connected to a data line and a second electrode connected to a first node; a second transistor including a gate electrode connected to the first node, a first electrode connected to a first power supply voltage and a second electrode connected to a second node; a third transistor including a gate electrode connected to a sensing control line, a first electrode connected to the scan line and a second electrode connected to the second node; and an organic light-emitting element including an anode electrode connected to the second node and a cathode electrode connected to a second power supply voltage.

Abstract translation: 提供了一种有机发光显示装置。 一种有机发光显示装置，包括：第一晶体管，包括连接到扫描线的栅电极，连接到数据线的第一电极和连接到第一节点的第二电极; 第二晶体管，包括连接到第一节点的栅电极，连接到第一电源电压的第一电极和连接到第二节点的第二电极; 第三晶体管，包括连接到感测控制线的栅电极，连接到扫描线的第一电极和连接到第二节点的第二电极; 以及包括连接到第二节点的阳极和连接到第二电源电压的阴极的有机发光元件。

公开(公告)号：US12033567B2

公开(公告)日：2024-07-09

申请号：US18136956

申请日：2023-04-20

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Hwi Kim ,  Na Young Kim ,  Jin Jeon

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/062 ,  G09G2310/08 ,  G09G2320/0247

Abstract: A display device includes pixels which are connected to first scan lines, second scan lines, third scan lines, emission control lines, and data lines; a scan driver which supplies a bias scan signal to each of the third scan lines at a first frequency and supplies a scan signal to each of the first scan line and the second scan line at a second frequency which corresponds to an image refresh rate of each of the pixels; an emission driver which supplies an emission control signal to each of the emission control lines at the first frequency; a data driver which supplies a data signal to each of the data lines at the second frequency; and a timing controller which controls driving of the scan driver, the emission driver, and the data driver.

公开(公告)号：US11482151B2

公开(公告)日：2022-10-25

申请号：US17647278

申请日：2022-01-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Na Young Kim ,  Dong Hwi Kim ,  Jin Jeon

IPC: G09G3/20

Abstract: A stage circuit including: a first sub-stage circuit coupled to a first input terminal receiving an input signal, a second input terminal receiving a first clock signal, and a third input terminal receiving a second clock signal, the first sub-stage circuit controlling a voltage of a first node, a second node, and a third node based on the input signal and the first and second clock signals, and supplying a first scan signal to a first output terminal based on the voltage of the second and third nodes; and a second sub-stage circuit coupled to the second input terminal, a fourth input terminal receiving a third clock signal, and the first and second nodes, the second sub-stage circuit supplying a second scan signal to a second output terminal based on the first and third clock signal, and the voltage of the first and second nodes.

公开(公告)号：US11881172B2

公开(公告)日：2024-01-23

申请号：US18155233

申请日：2023-01-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Hwi Kim ,  Na Young Kim ,  Chul Ho Kim ,  Wang Jo Lee ,  Jin Jeon

IPC: G09G3/3233 ,  G09G3/3275 ,  G09G3/3266 ,  H10K59/124 ,  H10K59/131 ,  H10K59/121 ,  H01L27/12

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  G09G2300/0426 ,  H01L27/124 ,  H01L27/1225 ,  H01L27/1248 ,  H01L27/1251 ,  H01L27/1255

Abstract: A pixel circuit includes first to fifth transistors, a capacitor, and a light emitting element. The first transistor is coupled between first and second power lines, and includes a gate electrode coupled to a first node and a back-gate electrode coupled to a second node. The second transistor is coupled between a data line and the first node, and includes a gate electrode coupled to a first scan line. The third transistor is coupled between a third power line and the first node, and includes a gate electrode coupled to a reference scan line. The fourth transistor is coupled between a second node and a fourth power line, and includes a gate electrode coupled to a second scan line. The fifth transistor is coupled between a first power line and the one electrode of the first transistor, and includes a gate electrode coupled to a light-emitting control line.

公开(公告)号：US11830438B2

公开(公告)日：2023-11-28

申请号：US18088551

申请日：2022-12-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Hwi Kim ,  Na Young Kim ,  Yong Jae Kim ,  Chul Ho Kim ,  Jin Jeon

IPC: G09G3/3266 ,  G09G3/3291

CPC classification number: G09G3/3266 ,  G09G3/3291 ,  G09G2310/08

Abstract: A display device including: pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver configured to supply a first scan signal to each of the first scan lines at a first frequency; a second scan driver configured to supply a second scan signal to each of the second scan lines at a second frequency corresponding to a driving frequency of the pixels; an emission driver configured to supply an emission control signal to each of the emission control lines at the first frequency; a data driver configured to supply a data signal to each of the data lines at the second frequency; and a timing controller configured to control the first scan driver, the second scan driver, the emission driver, and the data driver.

公开(公告)号：US11715415B2

公开(公告)日：2023-08-01

申请号：US17735438

申请日：2022-05-03

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Hwi Kim ,  Na Young Kim ,  Jin Jeon

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/062 ,  G09G2310/08 ,  G09G2320/0247

Abstract: A display device includes pixels which are connected to first scan lines, second scan lines, third scan lines, emission control lines, and data lines; a scan driver which supplies a bias scan signal to each of the third scan lines at a first frequency and supplies a scan signal to each of the first scan line and the second scan line at a second frequency which corresponds to an image refresh rate of each of the pixels; an emission driver which supplies an emission control signal to each of the emission control lines at the first frequency; a data driver which supplies a data signal to each of the data lines at the second frequency; and a timing controller which controls driving of the scan driver, the emission driver, and the data driver.

公开(公告)号：US11557255B2

公开(公告)日：2023-01-17

申请号：US17340482

申请日：2021-06-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Hwi Kim ,  Na Young Kim ,  Yong Jae Kim ,  Chul Ho Kim ,  Jin Jeon

IPC: G09G3/3266 ,  G09G3/3291

Abstract: A display device including: pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver configured to supply a first scan signal to each of the first scan lines at a first frequency; a second scan driver configured to supply a second scan signal to each of the second scan lines at a second frequency corresponding to a driving frequency of the pixels; an emission driver configured to supply an emission control signal to each of the emission control lines at the first frequency; a data driver configured to supply a data signal to each of the data lines at the second frequency; and a timing controller configured to control the first scan driver, the second scan driver, the emission driver, and the data driver.

公开(公告)号：US11348512B2

公开(公告)日：2022-05-31

申请号：US16881738

申请日：2020-05-22

Applicant: Samsung Display Co., LTD.

Inventor： Na Young Kim ,  Dong Hwi Kim ,  Jin Jeon

IPC: G09G3/32 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3225

Abstract: A pixel for a display device includes a light-emitting element, a first transistor including a first electrode electrically connected to a first node and controlling a driving current, a second transistor electrically connected between a data line and the first node and being turned on in response to a first scan signal supplied through a first scan line, a third transistor electrically connected between the second node and a third node electrically connected to a second electrode of the first transistor and being turned on in response to the first scan signal, and a fourth transistor being turned on in response to a second scan signal supplied through a second scan line, and applying a bias voltage to the first transistor. The fourth transistor is turned on at a first frequency. The second and third transistors are turned on at a second frequency different from the first frequency.