公开(公告)号：US09159257B2

公开(公告)日：2015-10-13

申请号：US13200399

申请日：2011-09-23

申请人： Keum-Nam Kim ,  Sang-Moo Choi ,  Bo-Yong Chung ,  Hui Nam

发明人： Keum-Nam Kim ,  Sang-Moo Choi ,  Bo-Yong Chung ,  Hui Nam

IPC分类号： G09G5/00 ,  G09G3/00 ,  G09G3/32

CPC分类号： G09G3/003 ,  G09G3/3225 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0209

摘要： The organic light emitting display includes a plurality of pixels positioned at intersections of scan lines, emission control lines, and data lines, a scan driver for sequentially supplying scan signals to the scan lines at a first driving frequency in order to select the pixels in units of horizontal lines, and an emission driver for sequentially supplying emission control signals to the emission control lines at a second driving frequency different from the first driving frequency in order to control emission of the pixels.

摘要翻译： 有机发光显示器包括位于扫描线，发射控制线和数据线的交点处的多个像素，用于以第一驱动频率顺序地将扫描信号提供给扫描线的扫描驱动器，以便以单位选择像素 以及发射驱动器，用于以与第一驱动频率不同的第二驱动频率顺序地向发射控制线提供发射控制信号，以便控制像素的发射。

公开(公告)号：US08941567B2

公开(公告)日：2015-01-27

申请号：US12900333

申请日：2010-10-07

申请人： Dong-Wook Park ,  Chul-Kyu Kang ,  Keum-Nam Kim

发明人： Dong-Wook Park ,  Chul-Kyu Kang ,  Keum-Nam Kim

IPC分类号： G09G3/30 ,  G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2320/04 ,  G09G2320/043

摘要： An organic light emitting display device is capable of securing sufficient compensation period such that a threshold voltage of a driving transistor may be compensated. A pixel includes: an organic light emitting diode; a second transistor for controlling an amount of current supplied from a first power source to the organic light emitting diode; a first capacitor having a first terminal coupled to a gate electrode of the second transistor; a first transistor coupled between a second terminal of the first capacitor and a data line, and being configured to turn on when a scan signal is supplied to a scan line; and a third transistor coupled between a gate electrode and a second electrode of the second transistor and having a turning-on period that is not overlapped with that of the first transistor. The third transistor is configured to turn on for a longer time than the first transistor.

摘要翻译： 有机发光显示装置能够确保足够的补偿周期，使得可以补偿驱动晶体管的阈值电压。 像素包括：有机发光二极管; 用于控制从第一电源向有机发光二极管提供的电流量的第二晶体管; 第一电容器，其具有耦合到所述第二晶体管的栅电极的第一端子; 耦合在第一电容器的第二端子和数据线之间的第一晶体管，并且被配置为当扫描信号被提供给扫描线时导通; 以及第三晶体管，其耦合在所述第二晶体管的栅电极和第二电极之间，并且具有不与所述第一晶体管的接通周期重叠的导通周期。 第三晶体管被配置为比第一晶体管更长的时间导通。

公开(公告)号：US08917225B2

公开(公告)日：2014-12-23

申请号：US12914924

申请日：2010-10-28

申请人： Chul-Kyu Kang ,  Sang-Moo Choi ,  Keum-Nam Kim

发明人： Chul-Kyu Kang ,  Sang-Moo Choi ,  Keum-Nam Kim

IPC分类号： G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861

摘要： A pixel circuit including an organic light emitting diode. Also, the pixel circuit includes: a second transistor connected to a first scanning line, a data line, and a first node; a fifth transistor connected to a third scanning line, the first node, and a second node; a fourth transistor connected to a second scanning line, a first reference voltage, and the second node; a third transistor connected to the first scanning line, a second reference voltage, and a third node; a first capacitor connected between the first node and the second node; a second capacitor connected between the second node and the third node; and a first transistor connected to the first node, a first power, and the third node, and configured to drive the organic light emitting diode.

摘要翻译： 一种包括有机发光二极管的像素电路。 此外，像素电路包括：连接到第一扫描线，数据线和第一节点的第二晶体管; 连接到第三扫描线的第五晶体管，第一节点和第二节点; 连接到第二扫描线的第四晶体管，第一参考电压和第二节点; 连接到第一扫描线的第三晶体管，第二参考电压和第三节点; 连接在第一节点和第二节点之间的第一电容器; 连接在第二节点和第三节点之间的第二电容器; 以及连接到第一节点的第一晶体管，第一电源和第三节点，并且被配置为驱动有机发光二极管。

公开(公告)号：US08907870B2

公开(公告)日：2014-12-09

申请号：US12693388

申请日：2010-01-25

申请人： Chul-Kyu Kang ,  Yu-Lian Choi ,  Keum-Nam Kim

发明人： Chul-Kyu Kang ,  Yu-Lian Choi ,  Keum-Nam Kim

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/043

摘要： A pixel includes an organic light emitting diode; a first transistor; a second transistor coupled to a data line and turned on when a scan signal is supplied to an ith scan line; a third transistor between the second transistor and a gate electrode of the first transistor and turned on when a scan signal is supplied to an i+1th scan line; a fourth transistor between the gate electrode of the first transistor and a reference power supply and turned on when the scan signal is supplied to the ith scan line; a fifth transistor between the organic light emitting diode and an initial power supply and turned on when a control signal is supplied; a first capacitor between the organic light emitting diode and a node between the second transistor and the third transistor; and a second capacitor between the node and the gate electrode of the first transistor.

摘要翻译： 像素包括有机发光二极管; 第一晶体管; 耦合到数据线的第二晶体管，当扫描信号被提供给第i扫描线时导通; 第二晶体管和第一晶体管的栅电极之间的第三晶体管，当扫描信号被提供给第i + 1扫描线时导通; 第一晶体管的栅电极与参考电源之间的第四晶体管，当扫描信号被提供给第i扫描线时导通; 有机发光二极管和初始电源之间的第五晶体管，并且当提供控制信号时导通; 所述有机发光二极管与所述第二晶体管和所述第三晶体管之间的节点之间的第一电容器; 以及在第一晶体管的节点和栅电极之间的第二电容器。

公开(公告)号：US08736523B2

公开(公告)日：2014-05-27

申请号：US12832952

申请日：2010-07-08

申请人： Bo-Yong Chung ,  Keum-Nam Kim

发明人： Bo-Yong Chung ,  Keum-Nam Kim

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/043

摘要： Pixel circuits and an organic electroluminescent display including the same are provided. The pixel circuit includes: an organic light emitting diode; a fifth transistor coupled to a third scan line, a reference power source, and a first node; a first capacitor coupled between the first node and a second node; a second capacitor coupled between the first node and the organic light emitting diode; a fourth transistor coupled to a second scan line, a data line, and the first node; a sixth transistor coupled to a first scan line, a first power source, and the second node; a second transistor coupled to the second scan line, the second node, and a third node; a third transistor coupled to an emission control line, the first power source, and the third node; and a first transistor coupled to the second node, the third node, and the organic light emitting diode.

摘要翻译： 提供像素电路和包括其的有机电致发光显示器。 像素电路包括：有机发光二极管; 耦合到第三扫描线的第五晶体管，参考电源和第一节点; 耦合在所述第一节点和第二节点之间的第一电容器; 耦合在所述第一节点和所述有机发光二极管之间的第二电容器; 耦合到第二扫描线的第四晶体管，数据线和所述第一节点; 耦合到第一扫描线的第六晶体管，第一电源和第二节点; 耦合到第二扫描线的第二晶体管，第二节点和第三节点; 耦合到发射控制线，第一电源和第三节点的第三晶体管; 以及耦合到第二节点，第三节点和有机发光二极管的第一晶体管。

公开(公告)号：US08665254B2

公开(公告)日：2014-03-04

申请号：US12719587

申请日：2010-03-08

申请人： Bo-Yong Chung ,  Keum-Nam Kim

发明人： Bo-Yong Chung ,  Keum-Nam Kim

IPC分类号： G09G5/00

CPC分类号： G09G3/3233 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/043 ,  G09G2320/045

摘要： A pixel circuit of a display panel, a method of driving the pixel circuit, and an organic light emitting display device including the display panel. All of a plurality of transistors included in the pixel circuit are NMOS transistors, and the pixel circuit configured to compensate for a voltage change at a source electrode of a driving transistor during light emission.

摘要翻译： 显示面板的像素电路，驱动像素电路的方法以及包括显示面板的有机发光显示装置。 包括在像素电路中的多个晶体管的全部是NMOS晶体管，并且被配置为补偿在发光期间在驱动晶体管的源极处的电压变化的像素电路。

公开(公告)号：US08575628B2

公开(公告)日：2013-11-05

申请号：US12975285

申请日：2010-12-21

申请人： Hyung-Soo Kim ,  Soon-Sung Ahn ,  Do-Ik Kim ,  Keum-Nam Kim

发明人： Hyung-Soo Kim ,  Soon-Sung Ahn ,  Do-Ik Kim ,  Keum-Nam Kim

IPC分类号： H01L29/18 ,  H01L33/00

CPC分类号： G09G3/3225 ,  G09G2300/0426 ,  G09G2320/0223 ,  H01L27/3276

摘要： An organic light emitting display having first pixel power source lines receiving a pixel driving voltage from first power supply sources and second pixel power source lines arranged between the first pixel power source lines and receiving a pixel driving voltage from second power supply sources, the light emitting diode of each of a plurality of pixels included in an image display unit is divided into two, and the divided light emitting diodes are coupled to the different pixel power source lines so that brightness non-uniformity of the image display unit caused by the IR drops of the pixel power source lines is reduced or prevented.

摘要翻译： 一种有机发光显示器，具有从第一电源供给像素驱动电压的第一像素电源线和配置在第一像素电源线之间的第二像素电源线，并接收来自第二电源的像素驱动电压， 包括在图像显示单元中的多个像素中的每一个的二极管被分成两部分，并且分割的发光二极管耦合到不同的像素电源线，使得由IR引起的图像显示单元的亮度不均匀性下降 的像素电源线减少或防止。

公开(公告)号：US20130155037A1

公开(公告)日：2013-06-20

申请号：US13619801

申请日：2012-09-14

申请人： Na-Young Kim ,  Keum-Nam Kim

发明人： Na-Young Kim ,  Keum-Nam Kim

IPC分类号： G09G3/32 ,  G06F3/038

CPC分类号： G09G3/3225 ,  G09G3/006

摘要： Disclosed is a light emitting display device which includes test pads for respective pixels to efficiently inspect an open or short of a circuit, that is, a short-circuiting or a breaking of wire.

摘要翻译： 公开了一种发光显示装置，其包括用于各个像素的测试焊盘，以有效地检查电路的断开或短路，即电线的短路或断线。

公开(公告)号：US08376802B2

公开(公告)日：2013-02-19

申请号：US13103009

申请日：2011-05-06

申请人： Keum-Nam Kim ,  Ul-Ho Lee

发明人： Keum-Nam Kim ,  Ul-Ho Lee

IPC分类号： H01J9/24

CPC分类号： H01L51/5203 ,  H01L27/326

摘要： An electroluminescent display device includes a display panel having scan lines, data lines, and pixel circuits. The pixel circuit includes an electroluminescent element having a first electrode layer, a first insulation film, and an emitting layer for displaying images. A driving circuit is coupled to the electroluminescent element. The first electrode layer is superimposed on a power source line, a scan line, or both, with a second insulation film therebetween.

摘要翻译： 电致发光显示装置包括具有扫描线，数据线和像素电路的显示面板。 像素电路包括具有第一电极层，第一绝缘膜和用于显示图像的发光层的电致发光元件。 驱动电路耦合到电致发光元件。 第一电极层叠加在电源线，扫描线或两者上，其间具有第二绝缘膜。

公开(公告)号：US20120026144A1

公开(公告)日：2012-02-02

申请号：US12985168

申请日：2011-01-05

申请人： Ki-Nyeng Kang ,  Dong-Wook Park ,  Keum-Nam Kim

发明人： Ki-Nyeng Kang ,  Dong-Wook Park ,  Keum-Nam Kim

IPC分类号： G09G5/00

CPC分类号： H01L27/3276 ,  G09G3/3225 ,  G09G2300/0465 ,  G09G2300/0861 ,  H01L27/326

摘要： There is provided an organic light emitting display device for preventing short and voltage drop between lines to improve yield. The organic light emitting display device includes: a plurality of sub-pixels located at crossing regions of a plurality of gate lines and a plurality of data lines; first power lines for supplying a voltage for driving the sub-pixels, each of the first power lines being shared by two adjacent sub-pixels from among the plurality of sub-pixels; and initial power lines for supplying an initial power to the sub-pixels, each of the initial power lines being shared by the two adjacent sub-pixels and located between the two adjacent sub-pixels.

摘要翻译： 提供了一种用于防止线间短路和电压下降以提高产量的有机发光显示装置。 有机发光显示装置包括：多个子像素，位于多条栅极线和多条数据线的交叉区域; 用于提供用于驱动子像素的电压的第一电力线，所述第一电力线中的每一个由所述多个子像素中的两个相邻子像素共享; 以及用于向子像素提供初始功率的初始电力线，每个初始电力线由两个相邻的子像素共享并位于两个相邻的子像素之间。