公开(公告)号：US20230343295A1

公开(公告)日：2023-10-26

申请号：US18215628

申请日：2023-06-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Wook YANG ,  Gun Hee KIM ,  Sun Young JUNG

IPC: G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2310/0278 ,  G09G2330/021

Abstract: A display device includes: a pixel, a scan driver, an emission driver, and a data driver. The pixel includes: a light emitting element; a first transistor; a second transistor connected between a data line and a first node; a third transistor connected between a second node and a third node connected to a gate electrode of the first transistor; a fourth transistor connected between the second node and a third power line; a fifth transistor connected between the first node and a fourth node; a sixth transistor connected between a first power line and the first node and which is turned off in response to a first emission control signal; a storage capacitor connected between the third node and the fourth node; and a first capacitor connected between the first power line and the fourth node.

公开(公告)号：US20230306906A1

公开(公告)日：2023-09-28

申请号：US18092400

申请日：2023-01-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Wook YANG ,  Dong Gyu LEE ,  Jae Hyeon JEON

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

CPC classification number: G09G3/3233 ,  H01L27/1255 ,  G09G3/3266 ,  G09G2300/0852 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2300/0861 ,  G09G2320/0233

Abstract: A display device is disclosed that includes a pixel. The pixel includes a first transistor electrode connected between a second node and a third node and including a gate electrode connected to a first node. A first capacitor is formed between the first node and a fourth node. A second capacitor is formed between the fourth node and a first power line. A second transistor is connected between a data line and the fourth node. An eighth transistor is connected between the first power line and the second node. A ninth transistor is connected between the second node and a bias power line. A sixth transistor is connected between the third node and a fifth node. A light emitting element is electrically connected between the fifth node and a second power line. A gate electrode of the eighth transistor and a gate electrode of the sixth transistor are connected to different gate lines.

公开(公告)号：US20230112488A1

公开(公告)日：2023-04-13

申请号：US17868153

申请日：2022-07-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Wook YANG ,  Gun Hee KIM ,  Sun Young JUNG

IPC: G09G3/3266 ,  G09G3/3275

Abstract: A display device includes: a pixel, a scan driver, an emission driver, and a data driver. The pixel includes: a light emitting element; a first transistor; a second transistor connected between a data line and a first node; a third transistor connected between a second node and a third node connected to a gate electrode of the first transistor; a fourth transistor connected between the second node and a third power line; a fifth transistor connected between the first node and a fourth node; a sixth transistor connected between a first power line and the first node and which is turned off in response to a first emission control signal; a storage capacitor connected between the third node and the fourth node; and a first capacitor connected between the first power line and the fourth node.

公开(公告)号：US20220415258A1

公开(公告)日：2022-12-29

申请号：US17840543

申请日：2022-06-14

Applicant: Samsung Display Co., LTD.

Inventor： Se Hyuk PARK ,  Jin Young ROH ,  Woo Mi BAE ,  Hae Kwan SEO ,  Young Ha SOHN ,  Jin Wook YANG

IPC: G09G3/3241 ,  G09G3/20

Abstract: A display device includes: a data driver for supplying a data signal to each of a plurality of data lines; and a pixel unit including a plurality of sub-pixels. The pixel unit further includes one dummy data line disposed separate from a data line of a first column among the data lines. The data line of the first column is connected to sub-pixels disposed on odd-numbered pixel rows among sub-pixels disposed on a first pixel column, and is connected to sub-pixels disposed on even-numbered pixel rows among sub-pixels disposed on a third pixel column. The dummy data line is connected to sub-pixels disposed on the even-numbered pixel rows among the sub-pixels disposed on the first pixel column.

公开(公告)号：US20220277709A1

公开(公告)日：2022-09-01

申请号：US17749580

申请日：2022-05-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyu LEE ,  Ji Hye KIM ,  Jin Wook YANG ,  Jae Hyeon JEON

IPC: G09G5/36 ,  G09G3/20

Abstract: An image display system includes a graphic processor which generates an image signal, a control signal, and a variable frequency signal; and a display device which displays an image at a frame frequency corresponding to the variable frequency signal from the graphic processor. The display device includes pixels connected to emission control lines, data lines, and scan lines; a controller which provides reference data including information on reference cycles, which are cycles in which an emission control start signal is output, to the graphic processor, outputs the emission control start signal based on the control signal, and adjusting an output timing of a scan start signal based on the variable frequency signal; an emission driver which supplies emission control signals to the emission control lines based on the emission control start signal; and a scan driver which supplies scan signals to the scan lines based on the scan start signal.

公开(公告)号：US20220262321A1

公开(公告)日：2022-08-18

申请号：US17735028

申请日：2022-05-02

Applicant: Samsung Display Co., Ltd.

Inventor： Eun Gyeong CHOE ,  Jin Wook YANG

IPC: G09G3/3291 ,  G09G3/3258

Abstract: A display device including first to eighth pixels successively arranged in a first direction on a first horizontal line, and first to sixteenth data lines each extending in a second direction and successively arranged in the first direction, in which the second and third data lines are disposed between the first and second pixels and respectively connected to the first and second pixels, the sixth and seventh data lines are disposed between the third and fourth pixels and respectively connected to the third and fourth pixels, the tenth and eleventh data lines are disposed between the fifth and sixth pixels and respectively connected to the fifth and sixth pixels, the fourteenth and fifteenth data lines are disposed between the seventh and eighth pixels and respectively connected to the seventh and eighth pixels.

公开(公告)号：US20220139301A1

公开(公告)日：2022-05-05

申请号：US17447792

申请日：2021-09-15

Applicant: Samsung Display Co., Ltd.

Inventor： Yu Chol KIM ,  Joon Chul GOH ,  Jin Wook YANG ,  Bong Hyun YOU

IPC: G09G3/32

Abstract: A display device includes pixels, and first, second, and third gate lines and data lines connected to the pixels. At least one of the pixels includes a light emitting element, a first transistor connected between a first power source and the light emitting element for driving the light emitting element according to a voltage of a first node, a second transistor connected between the first node and a corresponding data line, and driven according to a voltage of a corresponding first gate line, a capacitor connected between the first node and a second node between the first transistor and the light emitting element, a third transistor between the second node and an initialization power line, and driven according to a voltage of a corresponding second gate line, and a fourth transistor connected between the first and second nodes, and driven according to a voltage of a corresponding third gate line.