公开(公告)号：US08159423B2

公开(公告)日：2012-04-17

申请号：US12405004

申请日：2009-03-16

申请人： Sang-Moo Choi

发明人： Sang-Moo Choi

IPC分类号： G09G3/30 ,  G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/045

摘要： An organic light emitting display device that is capable of compensating for deterioration of organic light emitting diodes includes: a scan driver driving scan lines, compensation control lines, and light emission control lines; a data driver supplying initialization voltage to data lines during a first subperiod of a horizontal period and supplying data signals to the data lines during a second subperiod of the horizontal period; and pixels positioned at crossing areas of the scan lines and the data lines. Each pixel includes: an organic light emitting diode; a pixel circuit including a driving transistor controlling current flowing through the organic light emitting diode; and a compensation unit adjusting voltage of the gate electrode of the driving transistor based on deterioration of the organic light emitting diode. The compensation unit includes a transistor and a capacitor serially coupled between the gate and source of the driving transistor.

摘要翻译： 能够补偿有机发光二极管的劣化的有机发光显示装置包括：驱动扫描线，补偿控制线和发光控制线的扫描驱动器; 在水平周期的第一次周期期间向数据线提供初始化电压的数据驱动器，并且在水平周期的第二次周期期间将数据信号提供给数据线; 以及位于扫描线和数据线的交叉区域处的像素。 每个像素包括：有机发光二极管; 像素电路，包括控制流过有机发光二极管的电流的驱动晶体管; 以及补偿单元，其基于有机发光二极管的劣化来调节驱动晶体管的栅电极的电压。 补偿单元包括串联耦合在驱动晶体管的栅极和源极之间的晶体管和电容器。

公开(公告)号：US20120019500A1

公开(公告)日：2012-01-26

申请号：US13004842

申请日：2011-01-11

申请人： Young-In Hwang ,  Sang-Moo Choi

发明人： Young-In Hwang ,  Sang-Moo Choi

IPC分类号： G09G3/30 ,  G06F3/038

CPC分类号： G09G3/3233 ,  G09G3/325 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0216 ,  G09G2310/0297 ,  G09G2320/045

摘要： An embodiment relates to an organic light emitting display device that has a simple structure and compensate threshold voltage of a driving transistor.The organic light emitting display device that operates in an initializing period, a scan period, and an emission period divided from one frame, includes: first pixels positioned in odd-numbered vertical lines; second pixels positioned in even-numbered vertical lines; first scan lines and second scan lines formed horizontal lines and coupled with the second pixels; third scan lines and fourth scan lines formed in the horizontal lines and coupled with the first pixels; and a scan driver driving the first scan lines and the fourth scan lines, in which the number of transistors in the first pixels is different from the number of transistors in the second pixels.

摘要翻译： 实施例涉及具有简单结构并补偿驱动晶体管的阈值电压的有机发光显示装置。 在从一帧分割的初始化周期，扫描周期和发光周期中工作的有机发光显示装置包括：位于奇数垂直线中的第一像素; 位于偶数垂直线中的第二像素; 第一扫描线和第二扫描线形成水平线并与第二像素耦合; 第三扫描线和第四扫描线形成在水平线中并与第一像素耦合; 以及驱动第一扫描线和第四扫描线的扫描驱动器，其中第一像素中的晶体管数量与第二像素中的晶体管数量不同。

公开(公告)号：US20110227904A1

公开(公告)日：2011-09-22

申请号：US12949766

申请日：2010-11-18

申请人： Sang-Moo Choi

发明人： Sang-Moo Choi

IPC分类号： G09G5/00

CPC分类号： G09G3/3233 ,  G09G3/3291 ,  G09G2310/0262 ,  G09G2310/061 ,  G09G2330/02

摘要： An organic light emitting display has increased flexibility in controlling the voltage range of data signals. The organic light emitting display includes a scan driver for driving scan lines and emission control lines, a data driver for supplying data signals to data lines, pixels positioned at crossing regions of the scan lines and the data lines, first power source lines coupled to a first power source and the pixels, horizontal power source lines coupled to the pixels, a second power source line coupled to a second power source different from the first power source, and first switching elements respectively coupled between the horizontal power source lines and the second power source line. Each of the pixels stores a voltage corresponding to the second power source and the data signal and controls an amount of current that flows from the first power source to correspond to the stored voltage.

摘要翻译： 有机发光显示器在控制数据信号的电压范围方面具有增加的灵活性。 有机发光显示器包括用于驱动扫描线和发射控制线的扫描驱动器，用于向数据线提供数据信号的数据驱动器，位于扫描线和数据线的交叉区域的像素，耦合到扫描线和数据线的第一电源线 第一电源和像素，耦合到像素的水平电源线，耦合到不同于第一电源的第二电源的第二电源线以及分别耦合在水平电源线和第二电源之间的第一开关元件 源线。 每个像素存储对应于第二电源和数据信号的电压，并且控制从第一电源流出的电流量对应于所存储的电压。

公开(公告)号：US20100265165A1

公开(公告)日：2010-10-21

申请号：US12686117

申请日：2010-01-12

申请人： Sang-Moo Choi ,  Chul-Kyu Kang

发明人： Sang-Moo Choi ,  Chul-Kyu Kang

IPC分类号： G09G3/30

CPC分类号： H01L27/1274 ,  G09G3/3233 ,  G09G2320/0233 ,  H01L27/3276

摘要： An organic light emitting display device capable of improving image quality on a large panel. The organic light emitting display device includes a panel divided into at least two regions including a first region crystallized by a first crystallization process and a second region crystallized by a second crystallization process, in which a boundary part of the first and second regions is subject to both the first crystallization process and the second crystallization process, and further includes: organic light emitting diodes at crossing regions of scan lines and data lines; and pixel circuits at the crossing regions and configured to supply currents to the organic light emitting diodes. Here, couplings between the pixel circuits within the first region and the boundary part and their respective organic light emitting diodes are different from couplings between the pixel circuits within the second region and their respective organic light emitting diodes.

摘要翻译： 一种能够在大面板上提高图像质量的有机发光显示装置。 有机发光显示装置包括被划分为至少两个区域的面板，所述至少两个区域包括通过第一结晶处理结晶的第一区域和通过第二结晶处理结晶的第二区域，其中第一和第二区域的边界部分经受 第一结晶工艺和第二结晶工艺，还包括：扫描线和数据线交叉区域的有机发光二极管; 以及在交叉区域处的像素电路，并且被配置为向有机发光二极管提供电流。 这里，第一区域内的像素电路与边界部分之间的耦合以及它们各自的有机发光二极管与第二区域内的像素电路及其各自的有机发光二极管之间的耦合不同。

公开(公告)号：US07696963B2

公开(公告)日：2010-04-13

申请号：US11312476

申请日：2005-12-21

申请人： Sang-Moo Choi ,  Oh-Kyong Kwon

发明人： Sang-Moo Choi ,  Oh-Kyong Kwon

IPC分类号： G09G3/32

CPC分类号： G09G3/3291 ,  G09G3/3208 ,  G09G2310/027 ,  G09G2310/0289

摘要： In an organic light emitting display with a data integrated circuit using the same, a buffer circuit comprises: a first capacitor receiving gradation voltage through a first terminal; a first inverter having an input terminal connected to a second terminal of the first capacitor; a second capacitor having a first terminal connected to an output terminal of the first inverter; a second inverter having an input terminal connected to a second terminal of the second capacitor; a third capacitor having a first terminal connected to an output terminal of the second inverter; and a first transistor connected to a second terminal of the third capacitor and controlling current flowing from a first power source to a data line so as to supply the gradation voltage to the data line in correspondence to the voltage supplied by the third capacitor. With this configuration, the gradation voltage is supplied regardless of the threshold voltages of the transistors.

摘要翻译： 在具有使用其的数据集成电路的有机发光显示器中，缓冲电路包括：通过第一端子接收灰度电压的第一电容器; 第一反相器，具有连接到第一电容器的第二端子的输入端子; 第二电容器，其具有连接到所述第一反相器的输出端子的第一端子; 第二反相器，具有连接到第二电容器的第二端子的输入端子; 第三电容器，其具有连接到所述第二反相器的输出端子的第一端子; 以及第一晶体管，连接到第三电容器的第二端子，并且控制从第一电源流向数据线的电流，以便根据由第三电容器提供的电压将数据线提供给数据线。 利用这种配置，不管晶体管的阈值电压如何，均提供灰度电压。

公开(公告)号：US20090309816A1

公开(公告)日：2009-12-17

申请号：US12405004

申请日：2009-03-16

申请人： Sang-Moo Choi

发明人： Sang-Moo Choi

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/045

摘要： An organic light emitting display device that is capable of compensating for deterioration of organic light emitting diodes includes: a scan driver driving scan lines, compensation control lines, and light emission control lines; a data driver supplying initialization voltage to data lines during a first subperiod of a horizontal period and supplying data signals to the data lines during a second subperiod of the horizontal period; and pixels positioned at crossing areas of the scan lines and the data lines. Each pixel includes: an organic light emitting diode; a pixel circuit including a driving transistor controlling current flowing through the organic light emitting diode; and a compensation unit adjusting voltage of the gate electrode of the driving transistor based on deterioration of the organic light emitting diode. The compensation unit includes a transistor and a capacitor serially coupled between the gate and source of the driving transistor.

摘要翻译： 能够补偿有机发光二极管的劣化的有机发光显示装置包括：驱动扫描线，补偿控制线和发光控制线的扫描驱动器; 在水平周期的第一次周期期间向数据线提供初始化电压的数据驱动器，并且在水平周期的第二次周期期间将数据信号提供给数据线; 以及位于扫描线和数据线的交叉区域处的像素。 每个像素包括：有机发光二极管; 像素电路，包括控制流过有机发光二极管的电流的驱动晶体管; 以及补偿单元，其基于有机发光二极管的劣化来调节驱动晶体管的栅电极的电压。 补偿单元包括串联耦合在驱动晶体管的栅极和源极之间的晶体管和电容器。

公开(公告)号：US20090243976A1

公开(公告)日：2009-10-01

申请号：US12364679

申请日：2009-02-03

申请人： Sang-Moo Choi

发明人： Sang-Moo Choi

IPC分类号： H03M7/30

CPC分类号： G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0267 ,  G09G2320/043 ,  G09G2320/045

摘要： A pixel capable of compensating for deterioration of an organic light emitting diode includes an organic light emitting diode. A pixel circuit includes a first transistor controlling an amount of current supplied from a first power supply to the organic light emitting diode corresponding to a data signal. A compensating unit controls a voltage of a gate electrode of the first transistor to compensate for deterioration of the organic light emitting diode. The compensating unit includes a second transistor coupled between the gate electrode of the first transistor and the organic light emitting diode and turned off during a period of the supply of the data signal to the pixel circuit, and a feedback capacitor coupled between the second transistor and the organic light emitting diode.

摘要翻译： 能够补偿有机发光二极管的劣化的像素包括有机发光二极管。 像素电路包括控制从数据信号对应于从第一电源提供给有机发光二极管的电流量的第一晶体管。 补偿单元控制第一晶体管的栅电极的电压以补偿有机发光二极管的劣化。 补偿单元包括耦合在第一晶体管的栅电极和有机发光二极管之间的第二晶体管，并且在向像素电路提供数据信号的周期期间被关断;以及反馈电容器，耦合在第二晶体管和 有机发光二极管。

公开(公告)号：US20090219232A1

公开(公告)日：2009-09-03

申请号：US12393603

申请日：2009-02-26

申请人： Sang-Moo Choi

发明人： Sang-Moo Choi

IPC分类号： G09G3/30

CPC分类号： G09G3/3266 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2320/043 ,  G09G2320/045

摘要： A pixel of an organic light emitting display device and an organic light emitting display device using the same. The pixel is configured to compensate for the deterioration of organic light emitting diodes. The pixel includes an organic light emitting diode; a pixel circuit including a drive transistor for controlling an amount of electric current that flows from a first power source to a second power source via an organic light emitting diode; and a compensation unit between a gate electrode and a first electrode of the drive transistor for controlling a voltage of the gate electrode of the drive transistor to correspond to the deterioration of the organic light emitting diode. The compensation unit includes a transistor and a capacitor coupled in series between the gate electrode and the first electrode of the drive transistor.

摘要翻译： 有机发光显示装置的像素和使用其的有机发光显示装置。 像素被配置为补偿有机发光二极管的劣化。 像素包括有机发光二极管; 像素电路，包括驱动晶体管，用于经由有机发光二极管控制从第一电源流向第二电源的电流量; 以及驱动晶体管的栅电极和第一电极之间的补偿单元，用于控制驱动晶体管的栅电极的电压对应于有机发光二极管的劣化。 补偿单元包括串联耦合在驱动晶体管的栅电极和第一电极之间的晶体管和电容器。

公开(公告)号：US07365742B2

公开(公告)日：2008-04-29

申请号：US10963389

申请日：2004-10-11

申请人： Yang-Wan Kim ,  Oh-Kyong Kwon ,  Sang-Moo Choi ,  Choon-Yul Oh ,  Kyoung-Do Kim

发明人： Yang-Wan Kim ,  Oh-Kyong Kwon ,  Sang-Moo Choi ,  Choon-Yul Oh ,  Kyoung-Do Kim

IPC分类号： G09G5/00

CPC分类号： G09G3/3233 ,  G09G2300/043 ,  G09G2300/0465 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2320/043

摘要： A light emitting display including data lines for applying data voltages corresponding to video signals, scan lines for transmitting select signals, and pixel circuits. Each pixel circuit includes a light emitting element for emitting light, and a transistor including first to third electrodes, for controlling a current output to the third electrode according to a voltage between the first and second electrodes. Each pixel circuit also includes a first switch for diode-connecting the transistor, a capacitor having a first electrode coupled to the first electrode of the transistor, a second switch for applying a corresponding said data voltage to the second electrode of the capacitor in response to a corresponding said select signal from a corresponding said scan line, and a third switch for substantially electrically decoupling the second electrode of the capacitor from a power supply voltage source.

摘要翻译： 一种发光显示器，包括用于施加与视频信号相对应的数据电压的数据线，用于发送选择信号的扫描线和像素电路。 每个像素电路包括用于发光的发光元件和包括第一至第三电极的晶体管，用于根据第一和第二电极之间的电压来控制到第三电极的电流输出。 每个像素电路还包括用于二极管连接晶体管的第一开关，具有耦合到晶体管的第一电极的第一电极的电容器，响应于第二开关，用于将相应的所述数据电压施加到电容器的第二电极 来自对应的所述扫描线的对应的所述选择信号，以及用于将电容器的第二电极与电源电压源实质上电耦合的第三开关。

公开(公告)号：US20060139258A1

公开(公告)日：2006-06-29

申请号：US11312476

申请日：2005-12-21

申请人： Sang-Moo Choi ,  Oh-Kyong Kwon

发明人： Sang-Moo Choi ,  Oh-Kyong Kwon

IPC分类号： G09G3/30

CPC分类号： G09G3/3291 ,  G09G3/3208 ,  G09G2310/027 ,  G09G2310/0289

摘要： In an organic light emitting display with a data integrated circuit using the same, a buffer circuit comprises: a first capacitor receiving gradation voltage through a first terminal; a first inverter having an input terminal connected to a second terminal of the first capacitor; a second capacitor having a first terminal connected to an output terminal of the first inverter; a second inverter having an input terminal connected to a second terminal of the second capacitor; a third capacitor having a first terminal connected to an output terminal of the second inverter; and a first transistor connected to a second terminal of the third capacitor and controlling current flowing from a first power source to a data line so as to supply the gradation voltage to the data line in correspondence to the voltage supplied by the third capacitor. With this configuration, the gradation voltage is supplied regardless of the threshold voltages of the transistors.

摘要翻译： 在具有使用其的数据集成电路的有机发光显示器中，缓冲电路包括：通过第一端子接收灰度电压的第一电容器; 第一反相器，具有连接到第一电容器的第二端子的输入端子; 第二电容器，其具有连接到所述第一反相器的输出端子的第一端子; 第二反相器，具有连接到第二电容器的第二端子的输入端子; 第三电容器，其具有连接到所述第二反相器的输出端子的第一端子; 以及第一晶体管，连接到第三电容器的第二端子，并且控制从第一电源流向数据线的电流，以便根据由第三电容器提供的电压将数据线提供给数据线。 利用这种配置，不管晶体管的阈值电压如何，均提供灰度电压。