公开(公告)号：KR101101070B1

公开(公告)日：2011-12-30

申请号：KR1020090096760

申请日：2009-10-12

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  G09G3/20

CPC classification number: G09G3/3283 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2320/0295 ,  G09G2320/045

Abstract: An organic light emitting display is capable of displaying an image with desired brightness regardless of the deterioration of organic light emitting diodes (OLED) and the voltage reduction of a first power source. The organic light emitting display includes pixels positioned at crossing regions of scan lines, emission control lines, sensing lines, and data lines, a sensor for extracting information from the pixels on deterioration of organic light emitting diodes (OLEDs) and information on threshold voltages and mobilities of transistors of the pixels, a converter for changing supplied data to generate corrected data using the information on the deterioration of the OLEDs and the information on the threshold voltages and mobilities of the driving transistors, and a data driver for generating data signals to be supplied to the data lines using the corrected data.

Abstract translation: 无论有机发光二极管（OLED）的劣化和第一电源的电压降低如何，有机发光显示器都能够以期望的亮度显示图像。 有机发光显示器包括位于扫描线，发射控制线，感测线和数据线的交叉区域处的像素，用于在有机发光二极管（OLED）劣化时从像素提取信息的传感器以及关于阈值电压的信息和 像素的晶体管的迁移率，用于使用关于OLED的劣化的信息和关于驱动晶体管的阈值电压和迁移率的信息来改变所提供的数据以生成校正的数据的转换器以及用于生成数据信号的数据驱动器 使用校正数据提供给数据线。

公开(公告)号：KR101073323B1

公开(公告)日：2011-10-12

申请号：KR1020090049846

申请日：2009-06-05

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/20 ,  H01L51/50

CPC classification number: G09G3/3233 ,  G09G3/3291 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045

Abstract: 본발명의유기전계발광표시장치는주사신호들을공급받는주사선들; 제어신호들을공급받는제어선들; 상기주사선들및 제어선들과교차되며, 데이터신호들을공급받는데이터선들; 상기주사선들, 제어선들및 데이터선들과접속되며, 영상을표시하기위한화소들; 상기화소들과접속되는전원선들; 상기영상에대응하는상기데이터신호들을상기데이터선들로공급하기위한데이터구동부와; 제 1레벨과제 2레벨로스윙하는전압을상기전원선들로공급하기위한전원선구동부와; 제 1전류를상기화소로부터싱크(sink)하는전류싱크부및 제 2전류를상기화소로공급하기위한전류소스부를포함하는센싱부와; 상기화소들을상기데이터구동부, 상기전류싱크부또는전류소스부와선택적으로접속시키기위한스위칭부를구비한다.

公开(公告)号：KR1020100006106A

公开(公告)日：2010-01-18

申请号：KR1020090012808

申请日：2009-02-17

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  H05B33/08 ,  H01L51/50

CPC classification number: G09G3/3655 ,  G09G2300/0847 ,  Y02B20/343 ,  Y02B20/346

Abstract: PURPOSE: A pixel and an organic light emitting display device are provided to display a desired image quality regardless of voltage drop and ripple of the first power source by compensating voltage drop of the first power source through control of a gate electrode voltage of a driving transistor. CONSTITUTION: In a pixel and an organic light emitting display device, a first transistor(M1) connects a gate electrode to a scan line. A third transistor(M3) connects the gate electrode to the scan line. A storage capacitor(Cst) is connected between a first node and a second node. A second transistor(M2) connects the gate electrode to the second node. A fourth transistor(M4) connects the gate electrode to a light emitting control line.

Abstract translation: 目的：提供像素和有机发光显示装置，以通过通过控制驱动晶体管的栅电极电压来补偿第一电源的电压降而与第一电源的电压降和纹波无关地显示期望的图像质量 。 构成：在像素和有机发光显示装置中，第一晶体管（M1）将栅电极连接到扫描线。 第三晶体管（M3）将栅电极连接到扫描线。 存储电容器（Cst）连接在第一节点和第二节点之间。 第二晶体管（M2）将栅电极连接到第二节点。 第四晶体管（M4）将栅电极连接到发光控制线。

公开(公告)号：KR1020090131042A

公开(公告)日：2009-12-28

申请号：KR1020080056813

申请日：2008-06-17

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/20 ,  H01L51/50

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/043 ,  G09G2320/045 ,  H01L27/10855

Abstract: PURPOSE: A pixel and an organic electroluminescent display device using the same are provided to display an image with uniform brightness by compensating for the voltage drop of the first voltage and a threshold voltage of the driving transistor. CONSTITUTION: A second transistor controls an amount of currents supplied to an organic light emitting diode from the first power. A third transistor(M3) is turned off when a light emitting control signal is supplied to a light emitting control line. A first transistor is turned on when a scan signal is supplied to a scan line. A first capacitor(C1) is connected between a gate electrode of the second transistor and the first electrode. A second capacitor(C2) is connected between the first electrode of the second transistor and the first power. A compensation unit(144) is connected between the organic light emitting diode and the gate electrode of the second transistor. The compensation unit controls the voltage of the gate electrode of the second transistor corresponding to the deterioration of the organic light emitting diode.

Abstract translation: 目的：提供一种像素和使用其的有机电致发光显示装置，通过补偿第一电压的电压降和驱动晶体管的阈值电压来显示具有均匀亮度的图像。 构成：第二晶体管控制从第一功率提供给有机发光二极管的电流量。 当向发光控制线提供发光控制信号时，第三晶体管（M3）截止。 当扫描信号被提供给扫描线时，第一晶体管导通。 第一电容器（C1）连接在第二晶体管的栅电极和第一电极之间。 第二电容器（C2）连接在第二晶体管的第一电极和第一电源之间。 有机发光二极管和第二晶体管的栅电极之间连接有补偿单元（144）。 补偿单元控制对应于有机发光二极管的劣化的第二晶体管的栅电极的电压。

公开(公告)号：KR1020090129336A

公开(公告)日：2009-12-16

申请号：KR1020090049846

申请日：2009-06-05

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/20 ,  H01L51/50

CPC classification number: G09G3/3233 ,  G09G3/3291 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  H01L27/3246 ,  G09G3/3655 ,  G09G2300/0847 ,  H01L2924/12044 ,  H01L2924/14253 ,  H01L2924/1434 ,  Y02B20/36

Abstract: PURPOSE: An organic electroluminescent display device and a driving method thereof are provided to display an image with wanted brightness by compensating for the deterioration of an organic light emitting diode and a threshold voltage/mobility of a driving transistor. CONSTITUTION: Pixels(140) are connected to scan lines, control lines, and data lines and display an image. Power lines are connected to the pixels. A data driver(120) supplies the data signals corresponding to the image to the data lines. A power line driver(160) supplies the voltage swing with a first level and a second level to the power lines. A sensing unit includes a current sink unit for sinking a first current from the pixel and a current source unit for supplying a second current to the pixel. A switching unit selectively connects the pixels to the data driver, the current sink unit or the current source unit.

Abstract translation: 目的：提供一种有机电致发光显示装置及其驱动方法，通过补偿有机发光二极管的劣化和驱动晶体管的阈值电压/迁移率来显示具有所需亮度的图像。 构成：像素（140）连接到扫描线，控制线和数据线并显示图像。 电源线连接到像素。 数据驱动器（120）将与图像相对应的数据信号提供给数据线。 电力线驱动器（160）向电力线提供具有第一电平和第二电平的电压摆幅。 感测单元包括用于从像素吸收第一电流的电流吸收单元和用于向像素提供第二电流的电流源单元。 开关单元选择性地将像素连接到数据驱动器，电流接收单元或电流源单元。

公开(公告)号：KR1020080084017A

公开(公告)日：2008-09-19

申请号：KR1020070025063

申请日：2007-03-14

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/20 ,  H05B33/12

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2320/043 ,  G09G2320/045

Abstract: A pixel, an OLED(Organic Light Emitting Display) device using the same, and a driving method thereof are provided to compensate for luminance reduction due to degradation of an organic light emitting diode by supplying a low voltage to a gate of a driving transistor. A first electrode of a first transistor(M1) is connected to a data line, a second electrode thereof is connected to a first node, and a gate electrode thereof is connected to a scan line. A fourth transistor(M4) connected between a first reference source voltage and the first node is turned on when a scan signal is supplied to a (i-1)-th scan line. A storage capacitor(Cst) is connected between first and second nodes. A first electrode of a second transistor(M2) is connected to a first source voltage and a gate thereof is connected to the second node. A third transistor(M3) connected between the gate and a second electrode of the second transistor is turned on when a scan signal is supplied to the (i-1)-th scan line. A fifth transistor connected between the second transistor and an organic light emitting diode(OLED) is turned on when an illumination control signal is supplied to an illumination control line. A compensation unit(144) controls a voltage of the second node corresponding to degradation of the organic light emitting diode.

Abstract translation: 提供一种像素，使用其的OLED（有机发光显示器件）及其驱动方法，以通过向驱动晶体管的栅极提供低电压来补偿由于有机发光二极管的劣化引起的亮度降低。 第一晶体管（M1）的第一电极连接到数据线，其第二电极连接到第一节点，并且其栅电极连接到扫描线。 当扫描信号被提供给第（i-1）扫描线时，连接在第一参考源电压和第一节点之间的第四晶体管（M4）导通。 存储电容器（Cst）连接在第一和第二节点之间。 第二晶体管（M2）的第一电极连接到第一源电压，并且其栅极连接到第二节点。 当扫描信号被提供给第（i-1）扫描线时，连接在第二晶体管的栅极和第二电极之间的第三晶体管（M3）导通。 当将照明控制信号提供给照明控制线时，连接在第二晶体管和有机发光二极管（OLED）之间的第五晶体管导通。 补偿单元（144）控制对应于有机发光二极管的劣化的第二节点的电压。

公开(公告)号：KR1020080067488A

公开(公告)日：2008-07-21

申请号：KR1020070004861

申请日：2007-01-16

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  H01L51/50

CPC classification number: G09G3/2003 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2310/0262 ,  G09G2310/0297 ,  G09G2320/0242 ,  G09G2320/043 ,  G09G2320/0666 ,  H01L21/041 ,  H01L27/3211

Abstract: An OLED device is provided to store new RGB data signals in storage capacitors by initializing the storage capacitors using a supply voltage before applying the RGB data to the storage capacitors. An OLED(Organic Light Emitting Display) device includes a demultiplexer(1000) and plural RGB pixel circuits. The demultiplexer includes plural RGB switching elements(SW_TR3R,SW_TR3G,SW_TR3B) which are electrically connected to RGB data lines, apply RGB data voltages through the RGB data lines. The RGB pixel circuits are electrically connected to the RGB switching elements. While applying turn-on illumination control signals to the RGB pixel circuits, the RGB data voltages of the demultiplexer are applied.

Abstract translation: 提供OLED器件以通过在将RGB数据应用于存储电容器之前使用电源电压来初始化存储电容器来将新的RGB数据信号存储在存储电容器中。 OLED（有机发光显示器）器件包括解复用器（1000）和多个RGB像素电路。 解复用器包括电连接到RGB数据线的多个RGB开关元件（SW_TR3R，SW_TR3G，SW_TR3B），通过RGB数据线施加RGB数据电压。 RGB像素电路电连接到RGB开关元件。 当将开启照明控制信号施加到RGB像素电路时，应用解复用器的RGB数据电压。

公开(公告)号：KR100962961B1

公开(公告)日：2010-06-10

申请号：KR1020080056813

申请日：2008-06-17

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/20 ,  H01L51/50

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/043 ,  G09G2320/045

Abstract: A pixel capable of compensating for the threshold voltage of a driving transistor, the voltage drop of a first power source and degradation of an organic light emitting diode is provided. The pixel includes an organic light emitting diode; a second transistor (e.g., a driving transistor) coupled between the first power source and the organic light emitting diode to control the current supplied to the organic light emitting diode; a third transistor coupled between a first electrode of the second transistor and the first power source; a first transistor coupled between a gate electrode of the second transistor and a data line; a first capacitor coupled between the gate electrode and the first electrode of the second transistor; a second capacitor coupled between the first electrode of the second transistor and the first power source; and a compensation circuit coupled between the organic light emitting diode and the gate electrode of the second transistor for adjusting a voltage of the gate electrode of the second transistor in accordance with degradation of the organic light emitting diode.

公开(公告)号：KR100936883B1

公开(公告)日：2010-01-14

申请号：KR1020080056812

申请日：2008-06-17

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/20 ,  H01L51/50

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/043

Abstract: 본 발명은 구동 트랜지스터의 문턱전압 및 제 1전원의 전압 강하를 보상할 수 있도록 한 화소에 관한 것이다.
본 발명의 화소는 유기 발광 다이오드와; 제 1전원과 상기 유기 발광 다이오드 사이에 접속되며, 상기 제 1전원으로부터 상기 유기 발광 다이오드로 공급되는 전류량을 제어하기 위한 제 2트랜지스터와; 상기 제 2트랜지스터의 제 1전극과 상기 제 1전원 사이에 접속되며, 발광 제어선으로 발광 제어신호가 공급될 때 턴-오프되는 제 3트랜지스터와; 상기 제 2트랜지스터의 게이트전극과 데이터선 사이에 접속되며, 주사선으로 주사신호가 공급될 때 턴-온되는 제 1트랜지스터와; 상기 제 2트랜지스터의 게이트전극 및 제 1전극 사이에 접속되는 제 1커패시터와; 상기 제 2트랜지스터의 제 1전극과 상기 제 1전원 사이에 접속되는 제 2커패시터를 구비하며; 상기 제 2커패시터는 상기 제 1커패시터보다 큰 용량으로 설정된다.

公开(公告)号：KR1020080091926A

公开(公告)日：2008-10-15

申请号：KR1020070035007

申请日：2007-04-10

Applicant: 삼성모바일디스플레이주식회사

Inventor： 김양완

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/20 ,  H05B33/12

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2320/043 ,  G09G2320/045

Abstract: A pixel, an OLED(Organic Light Emitting Display) device using the same, and a driving method thereof are provided to display uniform images regardless of deviation of a threshold voltage by compensating for the threshold voltage of a driving transistor using a pixel circuit. A pixel includes an organic light emitting diode(OLED), a second transistor(M2) supplying currents to the organic light emitting diode, a pixel circuit(142) compensating for a threshold voltage of the second transistor, and a compensation unit(144) controlling a gate voltage of the second transistor to compensate for degradation of the organic light emitting diode. The compensation unit includes seventh and eighth transistors(M7,M8) connected between the organic light emitting diode and a first source voltage, first and second feedback capacitors(Cfb1,Cfb2) implemented between second and first nodes(N2,N1), and a ninth transistor(M9) connected between a third node(N3) and a voltage source.

Abstract translation: 提供使用其的像素，OLED（有机发光显示器件）及其驱动方法，以通过使用像素电路补偿驱动晶体管的阈值电压来显示均匀的图像，而不管阈值电压的偏差。 像素包括有机发光二极管（OLED），向有机发光二极管提供电流的第二晶体管（M2），补偿第二晶体管的阈值电压的像素电路（142）和补偿单元（144） 控制第二晶体管的栅极电压以补偿有机发光二极管的劣化。 补偿单元包括连接在有机发光二极管和第一源电压之间的第七和第八晶体管（M7，M8），在第二和第一节点（N2，N1）之间实现的第一和第二反馈电容器（Cfb1，Cfb2） 第九晶体管（M9）连接在第三节点（N3）和电压源之间。