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    • 4. 发明申请
    • PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME
    • 像素和有机发光显示装置使用它
    • US20150097763A1
    • 2015-04-09
    • US14571151
    • 2014-12-15
    • Samsung Display Co., Ltd.
    • Dong-Wook ParkChul-Kyu KangKeum-Nam Kim
    • G09G3/32
    • G09G3/3233G09G2300/0819G09G2300/0852G09G2300/0861G09G2310/0262G09G2320/04G09G2320/043
    • 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.
    • 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。
    • 5. 发明授权
    • Organic light emitting diode display
    • 有机发光二极管显示
    • US08987773B2
    • 2015-03-24
    • US14027167
    • 2013-09-14
    • Samsung Display Co., Ltd.
    • Hae-Yeon LeeJin-Gon OhJung-Bae KimJong-Hyun ChoiKeum-Nam Kim
    • H01L33/00H01L27/32
    • H01L27/3279H01L27/3276
    • An organic light emitting diode display includes: a pixel region; and a peripheral region surrounding the pixel region, the peripheral region including: a gate common voltage line; an interlayer insulating film that covers the gate common voltage line and has a common voltage contact hole exposing part of the gate common voltage line; a data common voltage line that is formed on the interlayer insulating film and comes in contact with the gate common voltage line via the common voltage contact hole; barrier ribs that cover the data common voltage line and have common voltage openings exposing part of the data common voltage line; and a peripheral common electrode that is formed on the barrier ribs and comes in contact with the data common voltage line via the common voltage openings, wherein the barrier ribs are formed at positions corresponding to the boundaries with the common voltage contact hole.
    • 有机发光二极管显示器包括:像素区域; 以及围绕所述像素区域的周边区域,所述周边区域包括:栅极公共电压线; 覆盖所述栅极公共电压线并且具有暴露所述栅极公共电压线的一部分的公共电压接触孔的层间绝缘膜; 形成在层间绝缘膜上并通过公共电压接触孔与栅极公共电压线接触的数据公共电压线; 阻挡肋覆盖数据公共电压线,并具有暴露部分数据公共电压线的公共电压开口; 以及形成在隔壁上并通过公共电压开口与数据公共电压线接触的外围公共电极,其中在与公共电压接触孔的边界相对应的位置处形成阻挡肋。
    • 7. 发明授权
    • Organic light emitting display with pixel sensing circuit and driving method thereof
    • 具有像素感测电路的有机发光显示器及其驱动方法
    • US09318050B2
    • 2016-04-19
    • US14486886
    • 2014-09-15
    • Samsung Display Co., Ltd.
    • Do-Hyung RyuKeum-Nam KimSang-Moo Choi
    • G06F3/038G09G5/00G09G3/32
    • G09G3/3241G09G3/3233G09G3/3266G09G3/3283G09G3/3291G09G2300/08G09G2300/0819G09G2300/0861G09G2320/0233G09G2320/0295G09G2320/045G09G2320/0626
    • An organic light emitting display that can stably extract information from pixels. A driving method of the organic light emitting display includes: generating first digital values by sensing deterioration information of organic light emitting diodes respectively included in a plurality of pixels coupled to a data line during two or more continuous frame periods; storing the first digital values in a memory; generating second digital values by sensing threshold voltage and mobility information of driving transistors respectively included in the pixels during two or more continuous frame periods; storing the second digital values in the memory; converting input data into calibration data according to the information stored in the memory to display an image having a uniform brightness, irrespective of the deterioration information of the organic light emitting diodes and the threshold voltage and mobility information of the driving transistors; and supplying a data signal in accordance with the calibration data to the data line.
    • 可以稳定地从像素提取信息的有机发光显示器。 有机发光显示器的驱动方法包括:通过感测在两个或多个连续帧周期期间分别包含在耦合到数据线的多个像素中的有机发光二极管的劣化信息来产生第一数字值; 将第一数字值存储在存储器中; 通过在两个或更多个连续帧周期期间感测分别包括在像素中的驱动晶体管的阈值电压和迁移率信息来产生第二数字值; 将所述第二数字值存储在所述存储器中; 根据存储在存储器中的信息将输入数据转换成校准数据,以显示具有均匀亮度的图像,而与有机发光二极管的劣化信息和驱动晶体管的阈值电压和迁移率信息无关; 并根据校准数据将数据信号提供给数据线。
    • 10. 发明申请
    • ORGANIC LIGHT EMITTING DIODE DISPLAY
    • 有机发光二极管显示
    • US20140049455A1
    • 2014-02-20
    • US13965895
    • 2013-08-13
    • Samsung Display Co., Ltd.
    • Yong-Jae KimHae-Yeon LeeKeum-Nam Kim
    • G09G3/32
    • G09G3/3258G09G3/3233G09G2300/0426G09G2300/0814G09G2300/0819G09G2300/0852G09G2320/0223G09G2320/043
    • An organic light emitting diode display including a substrate, a scan line transferring a scan signal, a compensation control line transferring a compensation control signal, an operation control line applying an operation control signal, a data line and a driving voltage line transferring a data signal and a driving voltage, respectively, a switching thin film transistor (TFT) connected to the scan line and the data line, a compensation TFT and an initialization TFT connected to the compensation control line, an operation control TFT connected to the operation control line and the switching TFT, a driving TFT connected to the driving voltage line, an organic light emitting diode connected to a drain electrode of the driving TFT, and a hold capacitor connected between a source electrode of the operation control TFT and a gate electrode of the initialization TFT.
    • 一种有机发光二极管显示器,包括基板,扫描线传送扫描信号,传送补偿控制信号的补偿控制线,施加操作控制信号的操作控制线,传送数据信号的数据线和驱动电压线 和驱动电压,分别连接到扫描线和数据线的开关薄膜晶体管(TFT),连接到补偿控制线的补偿TFT和初始化TFT,连接到操作控制线的操作控制TFT和 开关TFT,连接到驱动电压线的驱动TFT,连接到驱动TFT的漏电极的有机发光二极管和连接在操作控制TFT的源电极和初始化栅极之间的保持电容器 TFT。