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    • 6. 发明授权
    • Organic light emitting display device and method of fabricating the same
    • 有机发光显示装置及其制造方法
    • US07224334B2
    • 2007-05-29
    • US10667906
    • 2003-09-22
    • Joon-Hoo ChoiChong-Chul ChaiBeohm-Rock Choi
    • Joon-Hoo ChoiChong-Chul ChaiBeohm-Rock Choi
    • G09G3/32G09G3/18
    • G09G3/3233G09G2300/0417G09G2300/0819G09G2300/0842G09G2300/0861G09G2320/0223G09G2320/043H01L27/1296
    • An apparatus for providing a driving signal to an organic light emitting diode in an image display device includes gate lines for transferring previous and current gate signals, respectively, in a sequential process for providing the driving signal to the organic light emitting diode, a data line for transferring a data signal for displaying images on the image display device, a first switching transistor including a conduction path for transferring the data signal from the data line in response to the current gate signal; a second switching transistor including a conduction path for transferring a reference signal externally supplied in response to the previous gate signal, a third switching transistor including a conduction path for transferring the data signal provided from the first switching transistor in response to a state of the second switching transistor, and a fourth switching transistor including a conduction path for receiving a bias voltage and generating the driving signal to the organic light emitting diode in response to one of the reference signal from the second switching transistor and the data signal from the third switching transistor. The third and fourth switching transistors have switching characteristics substantially identical to each other.
    • 用于向图像显示装置中的有机发光二极管提供驱动信号的装置包括分别用于在有序发光二极管提供驱动信号的顺序处理中传送先前和当前门信号的栅极线,数据线 用于传送用于在图像显示装置上显示图像的数据信号;第一开关晶体管,包括用于响应于当前门信号从数据线传送数据信号的传导路径; 第二开关晶体管,包括用于传送响应于先前栅极信号而外部提供的参考信号的导电路径;第三开关晶体管,包括用于响应于第二开关晶体管的状态传送从第一开关晶体管提供的数据信号的导电路径 开关晶体管和第四开关晶体管,其包括用于接收偏压的导通路径,并响应于来自第二开关晶体管的参考信号和来自第三开关晶体管的数据信号而向有机发光二极管产生驱动信号 。 第三和第四开关晶体管具有彼此基本相同的开关特性。