公开(公告)号：US20140168179A1

公开(公告)日：2014-06-19

申请号：US13869791

申请日：2013-04-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bo-Yong Chung ,  Hae-Yeon Lee ,  Tak-Young Lee ,  Jin-Gon Oh ,  Yong-Jae Kim

IPC: G09G3/32 ,  H05B33/08

CPC classification number: H05B33/0896 ,  G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0262 ,  G09G2310/027 ,  G09G2310/067 ,  G09G2320/045

Abstract: An organic light emitting display capable of improving display quality. The organic light emitting display includes a data driver for supplying bias power supply to data lines in a first period of one frame, for supplying reference power supply in a second period, and for supplying data signals in a fourth period, a scan driver for sequentially supplying scan signals to scan lines in the fourth period, pixels positioned at intersections of the scan lines and the data lines, and a first control line, a second control line, a third control line, and a fourth control line commonly coupled to the pixels. Each of the pixels includes a first capacitor for previously charging voltages corresponding to the data signals and a second capacitor charged by a voltage of the first capacitor in a third period between the second period and the fourth period.

Abstract translation: 一种能够提高显示质量的有机发光显示器。 有机发光显示器包括数据驱动器，用于在一帧的第一周期内向数据线提供偏置电源，用于在第二周期内提供参考电源，并且用于在第四周期中提供数据信号，用于顺序地提供数据信号 将扫描信号提供到第四周期中的扫描线，位于扫描线和数据线的交点处的像素，以及共同耦合到像素的第一控制线，第二控制线，第三控制线和第四控制线 。 每个像素包括用于在第二周期和第四周期之间的第三周期中预先对与数据信号相对应的电压和由第一电容器的电压充电的第二电容器的第一电容器。

公开(公告)号：US20130321644A1

公开(公告)日：2013-12-05

申请号：US13668191

申请日：2012-11-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bo-Yong Chung ,  Jung-Mi Choi ,  Yong-Jae Kim ,  Young-In Hwang ,  Seong-IL Park

IPC: H04N17/00

CPC classification number: G09G3/006 ,  G09G3/20 ,  G09G2300/08 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2330/02 ,  G09G2330/04

Abstract: A display device according to the present invention includes: a display unit including a plurality of pixels coupled to a plurality of scan lines; a plurality of scan driving blocks coupled to the plurality of scan lines and adapted to apply a plurality of scan signals; an electrostatic discharge (ESD) unit adapted to protect the plurality of scan driving blocks from static charges; an AC power source unit for supplying a first power source voltage of which a level is changed between a logic high level and a logic low level, to the plurality of scan driving blocks through a first power source voltage wire during a pixel test of the plurality of pixels; and a DC power source unit for supplying a second power source voltage of the logic high level to the ESD unit through a second power source voltage wire.

Abstract translation: 根据本发明的显示装置包括：显示单元，包括耦合到多条扫描线的多个像素; 耦合到所述多条扫描线并适于施加多个扫描信号的多个扫描驱动块; 适于保护所述多个扫描驱动块免受静电荷的静电放电（ESD）单元; AC电源单元，用于在多个像素测试期间通过第一电源电压线将多个扫描驱动块提供其电平在逻辑高电平和逻辑低电平之间变化的第一电源电压 的像素; 以及直流电源单元，用于通过第二电源电压线将ESD逻辑单元的第二电源电压提供给ESD单元。

公开(公告)号：US11328667B2

公开(公告)日：2022-05-10

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 ,  H01L27/32

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：US10964267B2

公开(公告)日：2021-03-30

申请号：US16877816

申请日：2020-05-19

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 includes first, second, and third 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 that receives a first power voltage, and a second electrode connected to a second node. The second transistor has a gate electrode that receives a scan signal, a first electrode connected to the first node, and a second electrode connected to a third node. The third transistor has a gate electrode that receives a common control signal, a first electrode connected to the third 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 that receives a second power voltage.

公开(公告)号：US10665166B2

公开(公告)日：2020-05-26

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：US10235926B2

公开(公告)日：2019-03-19

申请号：US15354835

申请日：2016-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Bo-Yong Chung

IPC: G09G3/20 ,  G09G3/36 ,  H01L27/12 ,  G09G3/3266

Abstract: A scanline driver and a display device including the same are disclosed. In one aspect, the scanline driver includes a driving circuit configured to provide a first driving signal to a first driving node and a second driving signal to a second driving node based on a scan input signal and a plurality of clock signals. The driving circuit includes a plurality of driving transistors and a plurality of reset transistors. The scanline driver also includes a buffer circuit configured to generate a scan output signal based on the first and second driving signals. The buffer circuit includes a plurality of buffer transistors. Each of the driving transistors and the buffer transistors includes a floating gate transistor which includes a floating gate configured to transfer a voltage corresponding to a second logic low level lower than a first logic low level.

公开(公告)号：US09886891B2

公开(公告)日：2018-02-06

申请号：US14728843

申请日：2015-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Bo-Yong Chung

IPC: G09G3/36 ,  G09G3/20 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  G11C19/18

CPC classification number: G09G3/2096 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0819 ,  G09G2310/0205 ,  G09G2310/0216 ,  G09G2310/0251 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/0294 ,  G09G2310/061 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/12 ,  G11C19/184 ,  G11C19/188

Abstract: A sensing driving circuit and a display device including the same are disclosed. In one aspect, the sensing driving circuit includes a plurality of stages configured to respectively output a plurality of sensing signals and including a (K)th stage and a (K+1)th stage. The (K)th stage includes a shift register configured to provide a (K)th carry signal to the (K+1)th stage; and a masking buffer configured to output a (K)th sensing signal. The masking buffer includes a first input circuit configured to provide i) an input signal to a first node based on a node driving signal and ii) a first power voltage to a second node based on the input signal and the node driving signal. The masking buffer also includes a node masking circuit configured to supply the first power voltage to the first node based on a masking signal.

公开(公告)号：US09659525B2

公开(公告)日：2017-05-23

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: G09G5/00 ,  G09G3/3225

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.

公开(公告)号：US20170140697A1

公开(公告)日：2017-05-18

申请号：US15354835

申请日：2016-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Bo-Yong Chung

IPC: G09G3/20 ,  H01L27/12

CPC classification number: G09G3/2092 ,  G09G3/3266 ,  G09G3/36 ,  G09G3/3674 ,  G09G2300/0809 ,  G09G2310/0267 ,  G09G2310/0291 ,  G09G2320/045 ,  H01L27/124 ,  H01L27/1255

Abstract: A scanline driver and a display device including the same are disclosed. In one aspect, the scanline driver includes a driving circuit configured to provide a first driving signal to a first driving node and a second driving signal to a second driving node based on a scan input signal and a plurality of clock signals. The driving circuit includes a plurality of driving transistors and a plurality of reset transistors. The scanline driver also includes a buffer circuit configured to generate a scan output signal based on the first and second driving signals. The buffer circuit includes a plurality of buffer transistors. Each of the driving transistors and the buffer transistors includes a floating gate transistor which includes a floating gate configured to transfer a voltage corresponding to a second logic low level lower than a first logic low level.

公开(公告)号：US20160351160A1

公开(公告)日：2016-12-01

申请号：US15157067

申请日：2016-05-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hai-Jung In ,  Bo-Yong Chung

IPC: G09G5/00

CPC classification number: G09G3/3266 ,  G09G3/3225 ,  G09G2300/0426 ,  G09G2300/0814 ,  G09G2310/0243 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/08

Abstract: There is provided a gate driver including a plurality of gate sub-drivers electrically connected to a plurality of gate lines, wherein an (n)th gate sub-driver, of the gate sub-drivers includes a shift register configured to receive an (n-1)th carry signal from an (n-1)th gate sub-driver of the gate sub-drivers adjacent to the (n)th gate sub-driver, to synchronize the (n-1)th carry signal with a first clock signal, and to output an (n)th carry signal based on the synchronized (n-1)th carry signal, and a mask configured to output a gate signal based on the synchronized (n-1)th carry signal and a mask signal, wherein n is an integer greater than or equal to 2.

Abstract translation: 提供了一种栅极驱动器，其包括电连接到多个栅极线的多个栅极子驱动器，其中栅极子驱动器的第（n）个栅极子驱动器包括移位寄存器，其被配置为接收（n -1）的第（n-1）个进位信号与第（n）个栅极副驱动器相邻的栅极子驱动器的第（n-1）个栅极副驱动器，使第（n-1）个进位信号与第 时钟信号，并且基于同步（n-1）个进位信号输出第（n）个进位信号，以及掩膜，被配置为基于同步（n-1）个进位信号和掩码输出栅极信号 信号，其中n是大于或等于2的整数。