公开(公告)号：US20200312230A1

公开(公告)日：2020-10-01

申请号：US16814665

申请日：2020-03-10

Applicant: Samsung Display Co., Ltd.

Inventor： Min Seok BAE

IPC: G09G3/32

Abstract: A display device according to an embodiment of the present disclosure includes a pixel including a first pixel transistor of which a gate electrode is connected to a first node, a back-gate electrode is connected to a back-gate line, a first electrode is connected to a second node, and a second electrode is connected to a third node, a back-gate voltage determiner for converging a variable back-gate voltage to a first level when the display device displays a moving image, and for converging the variable back-gate voltage to a second level when the display device displays a still image, and a back-gate stage for applying the variable back-gate voltage to the back-gate line.

公开(公告)号：US20240153459A1

公开(公告)日：2024-05-09

申请号：US18500239

申请日：2023-11-02

Applicant: Samsung Display Co., LTD.

Inventor： Byung Ki CHUN ,  Ji Hyun KA ,  Min Seok BAE ,  Chang Bin IM ,  Chae Han HYUN

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/043

Abstract: A display device includes a display panel including a pixel and a sensor pixel, the pixel including a light emitting element and a driving transistor controlling a current flowing through the light emitting element, the sensor pixel including sensor transistors, a data driver that supplies a data signal to the pixel through a data line and provides a sensor data signal to the sensor pixel through a sensor data line, and a sensing driver that obtains sensing information on a current flowing through the sensor pixel. The sensor transistors are electrically connected in parallel to each other and are commonly electrically connected to the sensor data line. The sensor transistors and the driving transistor include a substantially same characteristic.

公开(公告)号：US20230129039A1

公开(公告)日：2023-04-27

申请号：US17882361

申请日：2022-08-05

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hyeong AN ,  Min Seok BAE ,  Jun Woo SON ,  Sang Ik LEE

IPC: H01L27/32 ,  G09G3/3266

Abstract: A display device includes a pixel and a sensing channel connected to the pixel through a sensing line. The pixel includes: a first transistor including a gate electrode connected to a first node, a first electrode connected to a first power line, and a second electrode connected to a second node; a second transistor including a gate electrode connected to a first scan line, a first electrode connected to a data line, and a second electrode connected to the first node; a third transistor including a gate electrode connected to a second scan line, a first electrode connected to the second node, and a second electrode connected to a third node; and a fourth transistor including a first electrode connected to the first power line and a second electrode connected to the third node. The sensing line is connected to the third node.

公开(公告)号：US20230043940A1

公开(公告)日：2023-02-09

申请号：US17790469

申请日：2020-07-03

Applicant: Samsung Display Co., Ltd.

Inventor： Min Seok BAE ,  Bong Hyun YOU ,  Hui NAM

IPC: G09G3/3258 ,  G09G3/3266

Abstract: A display device and a driving method thereof are provided. The display device includes a display panel that includes a first display area in which a plurality of first pixels are disposed and a second display area in which a plurality of second pixels are disposed; and at least one sensor overlapping the second display area and not overlapping the first display area of the display panel, wherein the plurality of first pixels and the plurality of second pixels are connected to a scan line providing a scan signal and a data line providing a data signal, and wherein the plurality of first pixels are not connected to a sensing control line providing a sensing control signal that senses an anode voltage of a light emitting element.

公开(公告)号：US20200051509A1

公开(公告)日：2020-02-13

申请号：US16523600

申请日：2019-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Min Seok BAE

IPC: G09G3/3291 ,  G09G3/20

Abstract: A display device includes pixels each having: a first transistor having a first electrode, second electrode, and gate electrode; a second transistor having a first electrode connected to a data line, a second electrode connected to the first electrode of the first transistor, and a gate electrode connected to a first scan line; a third transistor having a first electrode connected to the second electrode of the first transistor, a second electrode connected to the gate electrode of the first transistor, and a gate electrode connected to the first scan line; and a fourth transistor having a first electrode connected to the gate electrode of the first transistor, a second electrode connected to an initialization voltage line, and a gate electrode connected to a second scan line. A first scan signal is applied in each frame period of a first driving mode and a second driving mode.