公开(公告)号：US10700146B2

公开(公告)日：2020-06-30

申请号：US15838693

申请日：2017-12-12

Applicant: SAMSUNG DISPLAY CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Chong Chul Chai ,  Oh Kyong Kwon ,  Nack Hyeon Keum ,  Kyong Hwan Oh ,  Bo Yong Chung ,  An Su Lee

IPC: G09G3/3233 ,  G09G3/3225 ,  H01L27/32

Abstract: A pixel includes first through fourth transistors and storage capacitor. The first transistor controls an amount of current flowing from a first driving power source to a second driving power source, via an organic light-emitting diode, based on a voltage of a first node. The second transistor is coupled between a first electrode of the first transistor and the first node, and is turned on when a scan signal is supplied to a scan line. The third transistor is coupled between a second electrode of the first transistor and a reference power source, and is turned on when the scan signal is supplied. The fourth transistor is coupled between an anode electrode of the organic light-emitting diode and a data line, and is turned on when the scan signal is supplied. The storage capacitor is coupled between the first node and the anode electrode of the organic light-emitting diode.

公开(公告)号：US20180033377A1

公开(公告)日：2018-02-01

申请号：US15782780

申请日：2017-10-12

Applicant: Samsung Display Co., Ltd. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Do Hyung Ryu ,  Bo Yong Chung ,  Hong Kwon Kim ,  Oh Kyong Kwon

IPC: G09G3/296 ,  G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2320/0276 ,  G09G2320/043 ,  G09G2352/00

Abstract: A data driver capable of displaying images with a substantially uniform brightness, an organic light emitting display device using the same, and a method of driving the organic light emitting display device. The data driver includes a plurality of current sink units for controlling predetermined currents to flow through data lines, a plurality of voltage generators for resetting values of gray scale voltages using compensation voltages generated when the predetermined currents flow, a plurality of digital-to-analog converters for selecting one gray scale voltage among the gray scale voltages as a data signal in response to bit values of the data supplied from the outside, and a plurality of switching units for supplying the data signal to the data lines. The predetermined currents may be set equal to pixel currents that correspond to a maximum brightness.

公开(公告)号：US20150106646A1

公开(公告)日：2015-04-16

申请号：US14251524

申请日：2014-04-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hae-Yeon Lee ,  Bo Yong Chung

IPC: G06F1/06 ,  G06F1/12

CPC classification number: G09G3/3677

Abstract: A scan driver includes a plurality of stages arranged sequentially and configured to respectively output a scan signal; and a switching unit configured to receive a plurality of clock signals, to select clock signals of the plurality of clock signals according to a selection control signal, and to input the selected clock signals to the plurality of stages.

Abstract translation: 扫描驱动器包括顺序地布置并被配置为分别输出扫描信号的多个级; 以及开关单元，被配置为接收多个时钟信号，以根据选择控制信号选择所述多个时钟信号的时钟信号，并将所选择的时钟信号输入到所述多个级。

公开(公告)号：US11985855B2

公开(公告)日：2024-05-14

申请号：US17475321

申请日：2021-09-14

Applicant: Samsung Display Co., LTD.

Inventor： Chang-Soo Lee ,  Bo Yong Chung ,  Tak-Young Lee

IPC: H10K59/12 ,  H10K59/121

CPC classification number: H10K59/1213 ,  H10K59/1216

Abstract: A light emitting display device including a first pixel including a first driving transistor, a first input transistor, a first initialization transistor, a first storage capacitor, and a first light emitting diode (LED); and a second pixel including a second driving transistor, a second input transistor, a second initialization transistor, a second storage capacitor, and a second light emitting diode (LED. The first pixel further includes a first gate electrode connecting member connecting a first gate electrode of the first driving transistor and the first input transistor; the second pixel further includes a second gate electrode connecting member connecting a second gate electrode of the second driving transistor and the second input transistor; the first light emitting diode (LED) includes a first anode; the second light emitting diode (LED) includes a second anode; and the first gate electrode connecting member does not overlap the second anode in a plan view.

公开(公告)号：US20220231107A1

公开(公告)日：2022-07-21

申请号：US17472088

申请日：2021-09-10

Applicant: Samsung Display Co., Ltd.

Inventor： Doo-Young Lee ,  Jong Hee Kim ,  Yoo Mi Ra ,  Kyung-Ho Park ,  Geun Ho Lee ,  Chang-Soo Lee ,  Tak-Young Lee ,  Bo Yong Chung ,  Jung Hwan Hwang

IPC: H01L27/32

Abstract: A light emitting display device including: a first pixel including a first lower storage electrode, a first gate electrode of a first driving transistor, and a first upper storage electrode; and a second pixel provided near the first pixel, and including a second lower storage electrode, a second gate electrode of a second driving transistor, and a second upper storage electrode. In a plan view, the first gate electrode and the second gate electrode have first sides facing each other, the first side of the first gate electrode is positioned inside a border of the first lower storage electrode or the first upper storage electrode in a plan view, and the first side of the second gate electrode is positioned inside a border of the second lower storage electrode or the second upper storage electrode in a plan view.

公开(公告)号：US20220036830A1

公开(公告)日：2022-02-03

申请号：US17503005

申请日：2021-10-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hai Jung In ,  Dong Gyu Kim ,  Bo Yong Chung

IPC: G09G3/3275 ,  G09G3/3233

Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.

公开(公告)号：US11183124B2

公开(公告)日：2021-11-23

申请号：US17065075

申请日：2020-10-07

Applicant: Samsung Display Co., LTD.

Inventor： Yang Hwa Choi ,  Bo Yong Chung ,  Tak Young Lee ,  Sang Uk Lim

IPC: G09G3/32 ,  G09G3/3266 ,  G09G3/3233

Abstract: A scan driver for a display device includes a plurality of stages outputting scan signals. A first stage of the plurality of stages includes first to sixth transistors connected to a first carry clock line, a carry line, a previous carry line, and a second carry clock line. In a first frame period, the second carry clock line is configured to receive a second carry clock signal having at least one pulse with substantially the same phase as at least one of first pulses of a first carry clock signal to be applied to the first carry clock line.

公开(公告)号：US20200286434A1

公开(公告)日：2020-09-10

申请号：US16882384

申请日：2020-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hai Jung In ,  Dong Gyu Kim ,  Bo Yong Chung

IPC: G09G3/3275 ,  G09G3/3233

Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.

公开(公告)号：US10665173B2

公开(公告)日：2020-05-26

申请号：US16557465

申请日：2019-08-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hai Jung In ,  Dong Gyu Kim ,  Bo Yong Chung

IPC: G09G3/325 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3233

Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.

公开(公告)号：US20190385535A1

公开(公告)日：2019-12-19

申请号：US16557465

申请日：2019-08-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hai Jung In ,  Dong Gyu Kim ,  Bo Yong Chung

IPC: G09G3/3275 ,  G09G3/3233

Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.