公开(公告)号：US11935471B2

公开(公告)日：2024-03-19

申请号：US17688838

申请日：2022-03-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong Jae Kim ,  Jin Jeon ,  Chul Kyu Kang

IPC: G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  H10K50/805 ,  H10K59/131

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  H10K50/805 ,  H10K59/131 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/0264 ,  G09G2340/0435

Abstract: An organic light emitting display device driven at a first driving frequency or a second driving frequency lower than the first driving frequency includes pixels coupled to first scan lines, second scan lines, and data lines, a first scan driver configured to supply scan signals to the first scan lines during a first period and a second period in one frame period, when the organic light emitting display device is driven at the second driving frequency, a second scan driver configured to supply scan signals to the second scan lines during the first period, when the organic light emitting display device is driven at the second driving frequency, and a data driver configured to supply a data signal to the data lines during the first period.

公开(公告)号：US10706776B2

公开(公告)日：2020-07-07

申请号：US16102728

申请日：2018-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Yong Jae Kim ,  Jin Jeon

IPC: G09G3/3233 ,  H01L27/32 ,  H01L27/12 ,  G09G3/3266 ,  H01L51/52 ,  G09G3/3291 ,  G09G3/20

Abstract: An organic light-emitting display device including a plurality of pixels. Each of the pixels includes an organic light-emitting diode (OLED), a driving transistor, which has a control electrode connected to a first node, an input electrode connected to a second node, and an output electrode connected to the third node and provides a driving current to the OLED in accordance with a voltage of the control electrode, a sustain capacitor, which is connected to the first node, a first transistor, which controls whether the first and third nodes are to be connected, and a compensation transistor, which has both an input electrode and an output electrode connected to the first node.

公开(公告)号：US09786730B2

公开(公告)日：2017-10-10

申请号：US14858483

申请日：2015-09-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Jin Cho ,  Deok-Young Choi ,  Young-In Hwang ,  Chul Kyu Kang ,  Yong Jae Kim

IPC: H01L27/32 ,  G09G3/3233

CPC classification number: H01L27/3276 ,  G09G3/3233 ,  G09G2300/0861 ,  H01L27/3211 ,  H01L27/3248 ,  H01L27/3262

Abstract: An organic light emitting device includes: a first transistor including a source electrode connected to a data line and a gate electrode connected to a scan line; a second transistor including a source electrode connected to a driving voltage and a gate electrode connected to a drain electrode of the first transistor; a capacitor connected between the gate electrode of the second transistor and the source electrode of the second transistor; an organic light emitting diode connected to a drain electrode of the second transistor; and a third transistor connected to the organic light emitting diode and a common voltage.

公开(公告)号：US11741887B2

公开(公告)日：2023-08-29

申请号：US17745179

申请日：2022-05-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong Jae Kim ,  Yun Hwan Park ,  Woo Ri Seo ,  Yoon Jee Shin

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0278

Abstract: A display device includes a pixel, a scan driver supplying first to third scan signals in a first non-emission period and supplying the second scan signal in a second non-emission period, an emission driver supplying an emission control signal in the first and second non-emission periods, and a data driver supplying a data signal in the first non-emission period. The pixel includes a light-emitting element, a first transistor, a second transistor connected between the data line and a second node, a first capacitor connected between the first and second nodes, a third transistor connected between a third power line and the first node, a storage capacitor connected between the first and third nodes, a fourth transistor connected between the third node and a fourth power line, a fifth transistor connected between the first power line and the first transistor, and a sixth transistor supplying a fifth supply voltage.

公开(公告)号：US11450280B2

公开(公告)日：2022-09-20

申请号：US17113723

申请日：2020-12-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong Jae Kim ,  Jin Jeon

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/3275 ,  G09G3/3291

Abstract: In an organic light emitting display device which displays an image in a first mode or a second mode, the organic light emitting display device includes: a first scan driver which supplies a first scan signal having a first voltage to first scan lines; a second scan driver which supplies a second scan signal having a second voltage larger than the first voltage to second scan lines; and a pixel unit including pixels each coupled to a corresponding first scan line and a corresponding second scan line. When a first image displayed in the second mode is changed to a second image to be displayed in the second mode, the second image is displayed in the first mode during a predetermined portion of a period, in which the second image is displayed, and is displayed in the second mode during the remaining portion of the period.

公开(公告)号：US10255850B2

公开(公告)日：2019-04-09

申请号：US15064518

申请日：2016-03-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Jin Cho ,  Young In Hwang ,  Yong Jae Kim ,  Deok Young Choi

IPC: G09G3/30 ,  G09G3/3225 ,  H01L27/32 ,  H01L51/52 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/10

Abstract: A pixel includes: a first transistor connected between a data line and a first node; a second transistor connected between a first power source and a second node, the second transistor including a gate electrode connected to the first node; a third transistor connected between the first power source and the second transistor; a capacitor connected between the first node and the second node; an organic light emitting diode (OLED) connected between the second node and a second power source; and a fourth transistor including a second electrode connected to a cathode of the OLED.

公开(公告)号：US11842685B2

公开(公告)日：2023-12-12

申请号：US17813489

申请日：2022-07-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong Jae Kim ,  In Jun Bae ,  Hyun Wook Choi

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/02 ,  G09G2320/0626 ,  G09G2330/021

Abstract: A pixel includes: a light emitting element; a first transistor generating a driving current flowing from a first power line to a second power line; a second transistor being turned on in response to a fourth scan signal; a third transistor being turned on in response to a second scan signal; a fourth transistor being turned on in response to a first scan signal; a fifth transistor being turned on in response to a third scan signal; a sixth transistor being turned off in response to a first emission control signal; a first capacitor; and a second capacitor. A period in which the second transistor is turned on and a period in which the third transistor is turned on do not overlap with each other.

公开(公告)号：US10861393B2

公开(公告)日：2020-12-08

申请号：US16039524

申请日：2018-07-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong Jae Kim ,  Jin Jeon

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/3275 ,  G09G3/3291

Abstract: In an organic light emitting display device which displays an image in a first mode or a second mode, the organic light emitting display device includes: a first scan driver which supplies a first scan signal having a first voltage to first scan lines; a second scan driver which supplies a second scan signal having a second voltage larger than the first voltage to second scan lines; and a pixel unit including pixels each coupled to a corresponding first scan line and a corresponding second scan line. When a first image displayed in the second mode is changed to a second image to be displayed in the second mode, the second image is displayed in the first mode during a predetermined portion of a period, in which the second image is displayed, and is displayed in the second mode during the remaining portion of the period.

公开(公告)号：US20170025060A1

公开(公告)日：2017-01-26

申请号：US15064518

申请日：2016-03-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Jin Cho ,  Young In Hwang ,  Yong Jae Kim ,  Deok Young Choi

IPC: G09G3/32 ,  H01L51/52 ,  G09G3/20 ,  H01L27/32

CPC classification number: G09G3/3225 ,  G09G3/2003 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/045 ,  H01L27/32 ,  H01L51/5203 ,  H01L51/5296

Abstract: A pixel includes: a first transistor connected between a data line and a first node; a second transistor connected between a first power source and a second node, the second transistor including a gate electrode connected to the first node; a third transistor connected between the first power source and the second transistor; a capacitor connected between the first node and the second node; an organic light emitting diode (OLED) connected between the second node and a second power source; and a fourth transistor including a second electrode connected to a cathode of the OLED.

Abstract translation: 像素包括：连接在数据线和第一节点之间的第一晶体管; 连接在第一电源和第二节点之间的第二晶体管，所述第二晶体管包括连接到所述第一节点的栅电极; 连接在第一电源和第二晶体管之间的第三晶体管; 连接在第一节点和第二节点之间的电容器; 连接在第二节点和第二电源之间的有机发光二极管（OLED）; 以及包括连接到所述OLED的阴极的第二电极的第四晶体管。

公开(公告)号：US12185602B2

公开(公告)日：2024-12-31

申请号：US18437088

申请日：2024-02-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Sung An ,  Sung Ho Kim ,  Yong Jae Kim ,  Yun Hwan Park ,  Yoon Jee Shin ,  Sug Woo Jung ,  Hyun Wook Choi

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/88

Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.