公开(公告)号：US20210366409A1

公开(公告)日：2021-11-25

申请号：US17395979

申请日：2021-08-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM ,  Chul Kyu KANG ,  Hyun-Chol BANG ,  Soo Hee OH ,  Dong Sun LEE

IPC: G09G3/3291 ,  G09G3/3266

Abstract: A display device includes: scan, control, and emission control signal lines, signals transmitted thereby being different from one another; data and driving voltage lines; a first transistor including a first gate electrode and first source and drain; a second transistor including a second gate electrode connected to a first scan line, a second source connected to a first data line, and a second drain connected to the first source; a light-emitting element; a control transistor including a control gate electrode connected to a first control line and between the driving voltage line and the first source or the light-emitting element and the first drain; and an emission control transistor in series between the light-emitting element and the control transistor, the control transistor and the first transistor, or the driving voltage line and the control transistor, and an emission control gate electrode connected to the emission control signal line.

公开(公告)号：US20210248963A1

公开(公告)日：2021-08-12

申请号：US17245316

申请日：2021-04-30

Applicant: Samsung Display Co., Ltd.

Inventor： Soo Hee OH ,  Chul Kyu KANG ,  Dong Sun LEE ,  Sang Moo CHOI

IPC: G09G3/3266 ,  G06F1/08 ,  G09G3/3291

Abstract: A stage and a scan driver including the same for supplying a scan signal using a stage formed of P-type transistors to prevent output of an unwanted noise in a period where the scan signal is not supplied.

公开(公告)号：US20200013334A1

公开(公告)日：2020-01-09

申请号：US16506434

申请日：2019-07-09

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Sang Moo Choi ,  Soo Hee Oh ,  Dongsun Lee

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3283 ,  G09G3/3291 ,  G09G3/36

Abstract: A display device includes a scan driver configured to provide a scan signal to the scan line, the scan signal having an ON voltage for turning on a transistor in a plurality of horizontal periods including a current horizontal period and at least one previous horizontal period corresponding to the scan signal, and a grayscale data processor configured to correct current grayscale data of a current pixel corresponding to the current horizontal period to generate correction grayscale data based on previous grayscale data of a previous pixel corresponding to the previous horizontal period, the current pixel included in a same pixel column as the previous pixel.

公开(公告)号：US20180014399A1

公开(公告)日：2018-01-11

申请号：US15644471

申请日：2017-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Hoon CHUNG ,  Chul Kyu KANG

IPC: H05K1/02 ,  H05K3/30 ,  H05K5/00 ,  G09F9/30

CPC classification number: H05K1/028 ,  G02F1/13 ,  G09F9/301 ,  H05K1/189 ,  H05K3/30 ,  H05K5/0017 ,  H05K2201/055 ,  H05K2201/09272 ,  H05K2201/10106 ,  H05K2201/10136

Abstract: A display device includes: a flexible substrate including a display unit and a plurality of peripheral units which surrounds the display unit and are bent to overlap a part of the display unit; a display member positioned at the display unit and which displays an image; and a signal line positioned at the plurality of peripheral units, where the plurality of peripheral units is bent in a way such that parts of the signal line, which are respectively positioned at adjacent peripheral units, are in contact with each other.

公开(公告)号：US20240099085A1

公开(公告)日：2024-03-21

申请号：US18366847

申请日：2023-08-08

Applicant: Samsung Display Co., LTD.

Inventor： Sung Chan HWANG ,  Dong Hyun KIM ,  Chul Kyu KANG ,  Hey Jin SHIN ,  Seo Won CHOE ,  Chae Han HYUN

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/1216

Abstract: A display device includes a pixel. The pixel is electrically connected to a first power line, a second power line, and a data line. The pixel includes a first transistor, and a capacitor electrically connected between a gate electrode of the first transistor and an electrode of the first transistor. In a plan view, the data line extends in a second direction. The first power line extends in a first direction intersecting the second direction and overlaps the data line and the gate electrode of the first transistor. The second power line extends in the second direction, overlaps the data line, and overlaps the gate electrode of the first transistor.

公开(公告)号：US20230022857A1

公开(公告)日：2023-01-26

申请号：US17938031

申请日：2022-10-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chul Kyu KANG ,  Sung Hwan KIM ,  Soo Hee OH ,  Dong Sun LEE ,  Sang Moo CHOI

IPC: G09G3/32

Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

公开(公告)号：US20210074212A1

公开(公告)日：2021-03-11

申请号：US17099677

申请日：2020-11-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong Jae KIM ,  Jin JEON ,  Chul Kyu KANG

IPC: G09G3/3233 ,  H01L51/52 ,  H01L27/32 ,  G09G3/3266

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：US20210012718A1

公开(公告)日：2021-01-14

申请号：US17033572

申请日：2020-09-25

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Sangmoo CHOI ,  Dae Hyun KIM ,  Dongsun LEE

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

Abstract: A display device includes a display panel including a plurality of pixels and a panel driver that drives the display panel. Each of the pixels includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a first capacitor, and an emission element.

公开(公告)号：US20200152127A1

公开(公告)日：2020-05-14

申请号：US16681265

申请日：2019-11-12

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Dae Hyun KIM ,  Sung Hwan KIM ,  Soo Hee OH ,  Dong Sun LEE ,  Sang Moo CHOI

IPC: G09G3/3258

Abstract: Provided herein may be a stage and an emission control driver having the same. The stage may include an output unit configured to supply a voltage of a first or second power supply to a first output terminal depending on voltages of first and second nodes, an input unit configured to control the voltages of the second node and a third node, a first signal processing unit configured to control the voltage of the first node, and supply a voltage corresponding to the first node to a second output terminal, a second signal processing unit including a second capacitor coupled between the third node and a fifth node, the second signal processing unit being configured to control the voltage of the first node, and control a potential difference between opposite terminals of the second capacitor, and a third signal processing unit configured to control the voltage of the second node.

公开(公告)号：US20200013338A1

公开(公告)日：2020-01-09

申请号：US16503106

申请日：2019-07-03

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Sangmoo CHOI ,  Dae Hyun KIM ,  Dongsun LEE

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

Abstract: A display device includes a display panel including a plurality of pixels and a panel driver that drives the display panel. Each of the pixels includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a first capacitor, and an emission element.