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    • 6. 发明授权
    • Display device and driving method thereof
    • 显示装置及其驱动方法
    • US07924247B2
    • 2011-04-12
    • US11347586
    • 2006-02-04
    • Kee-Chan ParkIl-Gon KimHo Suk Maeng
    • Kee-Chan ParkIl-Gon KimHo Suk Maeng
    • G09G3/30
    • G09G3/3233G09G2300/0819G09G2300/0842G09G2300/0866G09G2320/043
    • A display device includes a plurality of data lines, a transmission gate element connected to the data lines, wherein the transmission gate supplies precharge voltages and data voltages to the data lines in response to transmission gate signals, and a plurality of pixels connected to the data lines. Each of the pixels includes: a light emitting element; a capacitor; a driving transistor having a control terminal connected to the capacitor, an input terminal, and an output terminal, wherein the driving transistor supplies a driving current to the light emitting element; a first switch, wherein the first switch diode-connects the driving transistor in response to a gate signal and connects one of the data lines to the capacitor; and a second switch, wherein the second switch supplies a reference voltage to the capacitor in response to the gate signal and connects the driving transistor to the light emitting element, wherein the precharge voltage, the data voltage, and the reference voltage are applied to the capacitor, and wherein the capacitor stores a charging voltage based on the applied data voltage and a threshold voltage of the driving transistor.
    • 显示装置包括多个数据线,连接到数据线的传输门元件,其中传输门响应于传输门信号而向数据线提供预充电电压和数据电压,以及连接到数据的多个像素 线条。 每个像素包括:发光元件; 电容器 驱动晶体管,其具有连接到所述电容器的控制端子,输入端子和输出端子,其中所述驱动晶体管向所述发光元件提供驱动电流; 第一开关,其中所述第一开关二极管响应于栅极信号连接所述驱动晶体管,并将所述数据线中的一个连接到所述电容器; 以及第二开关,其中所述第二开关响应于所述栅极信号向所述电容器提供参考电压,并将所述驱动晶体管连接到所述发光元件,其中所述预充电电压,所述数据电压和所述参考电压被施加到 电容器,并且其中所述电容器基于所施加的数据电压和所述驱动晶体管的阈值电压存储充电电压。