公开(公告)号：US11282426B2

公开(公告)日：2022-03-22

申请号：US16868837

申请日：2020-05-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Cheon Park ,  Seung Kyu Lee ,  Yoon Gyu Lee ,  Chae Han Hyun

IPC: G09G3/32 ,  G09G3/20

Abstract: A display device, including: pixels coupled to scan lines and data lines; a data driver configured to supply respective data signals to the data lines, including an amplifier disposed at an output terminal of the data driver, the amplifier including a first power terminal and a second power terminal; a switch unit configured to perform a power switching operation of alternately connecting the first power terminal and the second power terminal of the amplifier to a first driving power source and a second driving power source; and a driving controller configured to control the data driver and the switch unit, wherein the driving controller is configured to output a switch control signal to control the switch unit and interrupt the power switching operation during a blank period between source output periods, during which the data driver is configured to output the data signals of each frame.

公开(公告)号：US11232741B2

公开(公告)日：2022-01-25

申请号：US17024362

申请日：2020-09-17

Applicant: Samsung Display Co., Ltd.

Inventor： Chae Han Hyun ,  Ah Young Kim

IPC: G09G3/32

Abstract: A display device includes pixels, a scan driver, an emission driver, and a data driver. A pixel of an i-th horizontal line includes a light emitting element, a first transistor including a first electrode connected to a first node, a second transistor including a gate electrode connected to an (i+x)-th emission control line and connected to one of the data lines, a third transistor including a gate electrode connected to an (i+y)-th emission control line, and connected between the second transistor and the first node, a fourth transistor connected between a third node connected to a second electrode of the first transistor and a second node, and turned on by a scan signal supplied to an i-th scan line, and a fifth transistor connected between the first power and the first node, and turned off by the emission control signal supplied to an i-th emission control line.

公开(公告)号：US11043169B2

公开(公告)日：2021-06-22

申请号：US16734960

申请日：2020-01-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chae Han Hyun ,  Seung Kyu Lee ,  Jung Hun Yi ,  Seon I Jeong

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/00

Abstract: An organic light emitting display device includes: a first pixel region including first pixels coupled to first and second scan lines, and emission control lines; a first scan driver which supplies a first scan signal to each first scan line; a second scan driver which supplies a second scan signal to each second scan line; and an emission driver which supplies a light emission control signal to the emission control lines. The organic light emitting display device is in a second mode when the organic light emitting display device is mounted in a wearable device, and in a first mode otherwise. The second scan driver supplies k second scan signals to each second scan line in the first mode, and supplies j second scan signals to each second scan line in the second mode, where j is greater than k.

公开(公告)号：US09899461B2

公开(公告)日：2018-02-20

申请号：US15679870

申请日：2017-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Kyu Lee ,  Chae Han Hyun ,  Ki Myeong Eom

IPC: H01L27/32 ,  H01L29/786

CPC classification number: H01L27/3262 ,  H01L27/1255 ,  H01L27/3265 ,  H01L27/3276 ,  H01L29/78696

Abstract: An organic light-emitting diode display is disclosed. The display includes a semiconductor layer formed over a substrate, a scan line formed over the semiconductor layer and configured to provide a scan signal, and a light emission control line formed over the semiconductor layer and configured to provide a light emission control signal. The display includes a data line configured to provide a data voltage and a driving voltage line configured to provide a driving voltage, wherein the driving voltage line crosses the scan line and is electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode. Any one of the semiconductor layer and the light emission control line includes an extension at least partially overlapping the data line.

公开(公告)号：US20160322445A1

公开(公告)日：2016-11-03

申请号：US14939837

申请日：2015-11-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Kyu Lee ,  Chae Han Hyun ,  Mi Hae Kim ,  Myeong Hee Seo ,  Ki Myeong Eom ,  Ji-Eun Lee

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L51/5253 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/045 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a scan line formed over a substrate, a data line formed over the substrate, and a driving voltage line configured to receive a driving voltage. The data line and driving voltage line cross the scan line and are electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode and a driving gate electrode including a first storage electrode. A storage line includes a second storage electrode overlapping the first storage electrode. An OLED is electrically connected to the driving transistor, the second storage electrode including an extension at least partially overlapping the data line.

Abstract translation: 公开了一种有机发光二极管显示器。 一方面，显示器包括形成在衬底上的扫描线，形成在衬底上的数据线以及被配置为接收驱动电压的驱动电压线。 数据线和驱动电压线穿过扫描线并与扫描线电绝缘。 开关晶体管电连接到扫描线和数据线，并且包括开关漏电极。 驱动晶体管包括电连接到开关漏电极的驱动源电极和包括第一存储电极的驱动栅电极。 存储线包括与第一存储电极重叠的第二存储电极。 OLED与驱动晶体管电连接，第二存储电极包括至少部分地与数据线重叠的扩展。

公开(公告)号：US20160322442A1

公开(公告)日：2016-11-03

申请号：US14939819

申请日：2015-11-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Kyu Lee ,  Chae Han Hyun ,  Ki Myeong Eom

IPC: H01L27/32 ,  H01L29/786

CPC classification number: H01L27/3262 ,  H01L27/1255 ,  H01L27/3265 ,  H01L27/3276 ,  H01L29/78696

Abstract: An organic light-emitting diode display is disclosed. The display includes a semiconductor layer formed over a substrate, a scan line formed over the semiconductor layer and configured to provide a scan signal, and a light emission control line formed over the semiconductor layer and configured to provide a light emission control signal. The display includes a data line configured to provide a data voltage and a driving voltage line configured to provide a driving voltage, wherein the driving voltage line crosses the scan line and is electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode. Any one of the semiconductor layer and the light emission control line includes an extension at least partially overlapping the data line.

Abstract translation: 公开了一种有机发光二极管显示器。 显示器包括形成在衬底上的半导体层，形成在半导体层上并被配置为提供扫描信号的扫描线，以及形成在半导体层上并被配置为提供发光控制信号的发光控制线。 显示器包括配置为提供数据电压的数据线和被配置为提供驱动电压的驱动电压线，其中驱动电压线穿过扫描线并与扫描线电绝缘。 开关晶体管电连接到扫描线和数据线，并且包括开关漏电极。 驱动晶体管包括与开关漏电极电连接的驱动源电极。 半导体层和发光控制线中的任何一个包括至少部分地与数据线重叠的扩展。

公开(公告)号：US12211446B2

公开(公告)日：2025-01-28

申请号：US17246328

申请日：2021-04-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hai Jung In ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Ki Myeong Eom ,  Chae Han Hyun

IPC: G09G3/00 ,  G09G3/3266 ,  G09G3/3275

Abstract: A gate driver includes a stage configured to output a gate signal, the stage including an input part configured to control a voltage of a first node and a voltage of a second node based on signals supplied to a first input terminal and a second input terminal, an output part configured to supply a voltage of a first power source or a voltage of a second power source as the gate signal to an output terminal based on a voltage of a third node and a voltage of a fourth node, a first signal processing part configured to supply the voltage of the second power source to the fourth node based on the voltage of the first node, or to electrically connect the second node and the fourth node through a fifth node based on a signal supplied to a third input terminal, and a second signal processing part including a first transistor connected between the third node and a sixth node to control the voltage of the third node based on an operation of the first transistor.

公开(公告)号：US11610546B2

公开(公告)日：2023-03-21

申请号：US17525136

申请日：2021-11-12

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Su Na ,  Joong-Soo Moon ,  Chae Han Hyun ,  Yang Wan Kim

IPC: G09G3/325 ,  G09G3/3266 ,  G09G3/3291

Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.

公开(公告)号：US11244620B2

公开(公告)日：2022-02-08

申请号：US16813171

申请日：2020-03-09

Applicant: Samsung Display Co., LTD.

Inventor： Jong Won Park ,  Chae Han Hyun

IPC: G06F3/038 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3233

Abstract: A light-emitting display device includes first and second sub pixels each of which includes a driving transistor including first and second electrodes and a gate electrode, and being configured to control an electric current flowing from the first electrode to the second electrode according to a data voltage applied to a gate electrode, a light-emitting element connected to the second electrode, and a first capacitor disposed between a first sub supply voltage line to which a first supply voltage is applied and the second electrode. The first sub supply voltage line is disposed to overlap the second electrode. A capacitance of a first capacitor of the first sub pixel versus a capacitance of a first capacitor of the second sub pixel is selectively determined to correspond to an amount of the overlap between the first sub supply voltage line and the second electrode.

公开(公告)号：US11176883B2

公开(公告)日：2021-11-16

申请号：US16697168

申请日：2019-11-26

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Su Na ,  Joong-Soo Moon ,  Chae Han Hyun ,  Yang Wan Kim

IPC: G09G3/325 ,  G09G3/3266 ,  G09G3/3291

Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.