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    • 75. 发明授权
    • Organic light emitting display
    • 有机发光显示器
    • US08040303B2
    • 2011-10-18
    • US11790656
    • 2007-04-26
    • Hyung-Soo KimWang-Jo LeeBo-Yong ChungSang-Moo Choi
    • Hyung-Soo KimWang-Jo LeeBo-Yong ChungSang-Moo Choi
    • G09G3/32
    • G09G3/3233G09G2300/0819G09G2300/0842G09G2300/0852G09G2300/0861G09G2310/0251
    • An organic light emitting display, suitable for a high quality and high resolution display device, rapidly charges a data voltage using a voltage programming technique, after compensating for a deviations in the threshold voltage and mobility of a driving transistor using a current programming technique. The organic light emitting display includes: a data line supplying a data signal; a scan line supplying a scan signal; a first switching element, electrically coupling its control electrode to the scan line, transferring the data signal supplied from the data line; a driving transistor, electrically coupling its control electrode to the first switching element, controlling a driving current of a first voltage line; a first capacitive element electrically coupled between the first switching element and the control electrode of the driving transistor; an Organic Light Emitting Diode (OLED), electrically coupled between the driving transistor and a second power voltage line, displaying an image by a current supplied from the driving transistor; and a fourth switching element compensating for deviations of characteristics of the driving transistor by supplying a current of the first current line to the driving transistor.
    • 在使用当前编程技术补偿驱动晶体管的阈值电压和迁移率的偏差之后,适用于高质量和高分辨率的显示装置的有机发光显示器使用电压编程技术快速充电数据电压。 有机发光显示器包括:提供数据信号的数据线; 提供扫描信号的扫描线; 第一开关元件,将其控制电极电耦合到扫描线,传送从数据线提供的数据信号; 驱动晶体管,将其控制电极电耦合到第一开关元件,控制第一电压线的驱动电流; 电耦合在第一开关元件和驱动晶体管的控制电极之间的第一电容元件; 电耦合在驱动晶体管和第二电源电压线之间的有机发光二极管(OLED),通过从驱动晶体管提供的电流显示图像; 以及第四开关元件,通过将所述第一电流线的电流提供给所述驱动晶体管来补偿所述驱动晶体管的特性的偏差。