公开(公告)号：US20180226029A1

公开(公告)日：2018-08-09

申请号：US15696734

申请日：2017-09-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun-Hyun PARK ,  An-Su LEE ,  Ji-Hye LEE ,  Bo-Yong CHUNG ,  Kang-Moon JO ,  Chong-Chul CHAI

IPC: G09G3/3266 ,  G09G3/3291 ,  G09G3/3258

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3291 ,  G09G2300/0809 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0866 ,  G09G2310/0208 ,  G09G2310/0213 ,  G09G2310/0243 ,  G09G2310/0262 ,  G09G2310/062 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/028

Abstract: A pixel includes first to fourth transistors and a driving transistor. The first transistor is connected between a data line and a first node and has a gate electrode to receive a scan signal. The driving transistor is connected between the first node and a second node and has a gate electrode connected to a third node. The second transistor is connected between the second and third nodes and has a gate electrode to receive the scan signal. The third transistor is connected between first power and the first node and has a gate electrode to receive an emission signal. The fourth transistor is connected between the first and second nodes and has a gate electrode to receive an initialization signal. An organic light emitting diode is connected between the second node and second power. A storage capacitor is connected between the first power and third node.

公开(公告)号：US20180226023A1

公开(公告)日：2018-08-09

申请号：US15862944

申请日：2018-01-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun-Hyun PARK ,  Young-Wan SEO ,  An-Su LEE ,  Bo-Yong CHUNG ,  Kang-Moon JO ,  Chong-Chul CHAI

IPC: G09G3/3233 ,  H01L51/52 ,  G09G3/3258

Abstract: A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode. A first capacitor is connected between a source of the third power and the first node, and a second capacitor is connected between the second node and one of the data lines.

公开(公告)号：US20160372039A1

公开(公告)日：2016-12-22

申请号：US14994632

申请日：2016-01-13

Applicant: Samsung Display Co., LTD.

Inventor： Bo-Yong CHUNG ,  Dong-Gyu KIM ,  Hai-Jung IN

IPC: G09G3/3241 ,  G09G3/3266 ,  G09G3/3291

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2320/0242 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2330/028

Abstract: A display device includes a display panel including a first pixel, a second pixel, and a third pixel, a scan driver configure to provide a scan signal to the first through the third pixels, a data driver which provides a data signal to the first through the third pixels, a reference voltage generator which provides a first reference voltage that compensates a degradation of a first driving transistor, a second reference voltage that compensates a degradation of a second driving transistor, and a third reference voltage that compensates a degradation of a third driving transistor, and a timing controller which generates a control signal that controls the scan driver, the data driver, and the reference voltage generator.

Abstract translation: 显示装置包括：显示面板，包括第一像素，第二像素和第三像素;扫描驱动器，被配置为向第一至第三像素提供扫描信号;数据驱动器，其向第一至第 第三像素，提供补偿第一驱动晶体管的劣化的第一参考电压的参考电压发生器，补偿第二驱动晶体管的劣化的第二参考电压和补偿第三驱动晶体管的劣化的第三参考电压 驱动晶体管，以及产生控制扫描驱动器，数据驱动器和参考电压发生器的控制信号的定时控制器。

公开(公告)号：US20170309226A1

公开(公告)日：2017-10-26

申请号：US15382068

申请日：2016-12-16

Applicant: Samsung Display Co., Ltd

Inventor： Hai-Jung IN ,  Bo-Yong CHUNG

IPC: G09G3/3208 ,  G06F1/16

CPC classification number: G06F1/1652 ,  G09G3/20 ,  G09G2320/0233 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2330/12 ,  G09G2360/145 ,  G09G2360/16 ,  G09G2380/02

Abstract: A flexible display device according to example embodiments includes a rollable display panel, a housing accommodating the rollable display panel in a rolled state and including an opening portion through which the rollable display panel is pulled out, an optical sensor disposed at the opening portion and configured to detect luminance of the rollable display panel while the rollable display panel is rolled or unrolled, a controller configured to compensate image data based on detection data generated by the optical sensor, and a display panel driver configured to control a display of rollable display panel.

公开(公告)号：US20160012768A1

公开(公告)日：2016-01-14

申请号：US14737883

申请日：2015-06-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hai-Jung IN ,  Dong-Gyu KIM ,  Jung-Bae KIM ,  Yong-Sung PARK ,  Bo-Yong CHUNG

IPC: G09G3/32

CPC classification number: G09G3/3225 ,  G09G2300/0426 ,  G09G2300/043 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2330/00

Abstract: A display device includes a display panel, a data driver, a scan driver, and a power supply. The display panel includes power voltage lines and pixels coupled to data lines and scan lines. The data driver supplies data voltages to the data lines. The scan driver provides scan signals to the scan lines. The power supply supplies a power voltage to the power voltage lines. The display panel includes a compensation resistance coupled between s pixels and one of the power voltage lines.

Abstract translation: 显示装置包括显示面板，数据驱动器，扫描驱动器和电源。 显示面板包括电源电压线和耦合到数据线和扫描线的像素。 数据驱动器将数据电压提供给数据线。 扫描驱动器向扫描线提供扫描信号。 电源为电源电压线提供电源电压。 显示面板包括耦合在s像素和电源电压线之一之间的补偿电阻。

公开(公告)号：US20180226028A1

公开(公告)日：2018-08-09

申请号：US15726472

申请日：2017-10-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun-Hyun PARK ,  Young-Wan SEO ,  An-Su LEE ,  Bo-Yong CHUNG ,  Kang-Moon JO ,  Chong-Chul CHAI

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel for a display panel includes first and second transistors, first and second capacitors, and an organic light emitting diode. The first transistor has a gate electrode connected to a first node, a first electrode connected to a first power source, and a second electrode connected to a second node. The second transistor has a gate electrode connected to a scan line, a first electrode connected to the first node, and a second electrode connected to the second node. The organic light emitting diode has a first electrode connected to the second node and a second electrode connected to a second power source. The first capacitor has a first electrode connected to a third power source and a second electrode connected to the first node. The second capacitor has a first electrode connected to a data line and a second electrode connected to the second node.

公开(公告)号：US20180166012A1

公开(公告)日：2018-06-14

申请号：US15893115

申请日：2018-02-09

Applicant: Samsung Display Co., Ltd.

Inventor： Bo-Yong CHUNG ,  Dong-Gyu KIM ,  Hai-Jung IN

IPC: G09G3/3233

Abstract: A display device includes a display panel including a first pixel, a second pixel, and a third pixel, a scan driver configure to provide a scan signal to the first through the third pixels, a data driver which provides a data signal to the first through the third pixels, a reference voltage generator which provides a first reference voltage that compensates a degradation of a first driving transistor, a second reference voltage that compensates a degradation of a second driving transistor, and a third reference voltage that compensates a degradation of a third driving transistor, and a timing controller which generates a control signal that controls the scan driver, the data driver, and the reference voltage generator.

公开(公告)号：US20180061860A1

公开(公告)日：2018-03-01

申请号：US15791492

申请日：2017-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jung-Bae KIM ,  Bo-Yong CHUNG ,  Hai-Jung IN ,  Dong-Gyu KIM

IPC: H01L27/12 ,  H01L29/786 ,  H01L29/423 ,  H01L27/32

Abstract: A thin film transistor includes a substrate, a semiconductor layer on the substrate, a first insulating layer covering the substrate and the semiconductor layer, a first gate electrode on the first insulating layer and overlapping the semiconductor layer, a second insulating layer covering the first gate electrode and the first insulating layer, a second gate electrode on the second insulating layer and overlapping the semiconductor layer and the first gate electrode, a third insulating layer covering the second gate electrode, a first contact hole defined in the first insulating layer, the second insulating layer and the third insulating layer, and through which a portion of the semiconductor layer is exposed, and a source electrode and a drain electrode connected to the semiconductor layer through the first contact hole.

公开(公告)号：US20210256907A1

公开(公告)日：2021-08-19

申请号：US17313471

申请日：2021-05-06

Applicant: Samsung Display Co., LTD.

Inventor： Jun-Hyun PARK ,  Young-Wan SEO ,  An-Su LEE ,  Bo-Yong CHUNG ,  Kang-Moon JO ,  Chong-Chul CHAI

IPC: G09G3/3233 ,  H01L51/52 ,  G09G3/3258

Abstract: A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode. A first capacitor is connected between a source of the third power and the first node, and a second capacitor is connected between the second node and one of the data lines.

公开(公告)号：US20200066823A1

公开(公告)日：2020-02-27

申请号：US16665958

申请日：2019-10-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong-Jae KIM ,  Bo-Yong CHUNG ,  Hae-Yeon LEE

IPC: H01L27/32 ,  H01L27/12 ,  G02F1/1362 ,  H01L29/423 ,  H01L27/02 ,  H01L23/60 ,  G09G3/3208

Abstract: A static electricity prevention circuit of a display device including: a driving circuit configured to drive a display unit that displays an image, at least one clock signal wire configured to transmit a clock signal to the driving circuit, at least one transistor electrically coupled to the clock signal wire, and at least one capacitor including a first electrode coupled to a source electrode and to a drain electrode of the transistor, and a second electrode configured to be maintained at a voltage.