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    • 5. 发明授权
    • Low power and high density source driver and current driven active matrix organic electroluminescent device having the same
    • 具有相同功能的低功率和高密度源极驱动器和电流驱动的有源矩阵有机电致发光器件
    • US07391393B2
    • 2008-06-24
    • US10739735
    • 2003-12-17
    • Yil-Suk YangByung-Doo KimJong-Dae KimTae-Moon RohDae-Woo LeeByoung-Gon YuIl-Yong ParkSung-ku Kwon
    • Yil-Suk YangByung-Doo KimJong-Dae KimTae-Moon RohDae-Woo LeeByoung-Gon YuIl-Yong ParkSung-ku Kwon
    • G09G3/30
    • G09G3/3283G09G3/3241G09G2310/027G09G2330/021
    • Disclosed is a low power and high density source driver and a current driven active matrix organic electroluminescent device having the same, in which all elements operate at a normal voltage and all circuits of the source driver are shielded from a high voltage of a panel. The source driver includes: a shift register for generating an enable signal for storing data; a data latch circuit for storing digital data inputted from an exterior; a line latch circuit for sequentially storing the data in response to the enable signal and outputting the stored data in parallel at one time in response to a load signal; a current type digital-to-analog converter for converting the digital data outputted from the line latch circuit into an analog signal, the analog signal being outputted in a form of a current signal; and a high voltage shield circuit for transferring the output of the current digital-to-analog converter to source lines of an external panel and for shielding internal circuits from a high voltage of the panel. The shift register, the data latch circuit, the line latch circuit, the current type digital-to-analog converter and the high voltage shield circuit are driven at a normal voltage.
    • 公开了一种低功率和高密度源极驱动器以及具有这种驱动器的电流驱动有源矩阵有机电致发光器件,其中所有元件都工作在正常电压,并且源极驱动器的所有电路都屏蔽了面板的高电压。 源极驱动器包括:移位寄存器,用于产生用于存储数据的使能信号; 数据锁存电路,用于存储从外部输入的数字数据; 行锁存电路,用于响应于使能信号顺序地存储数据并响应于负载信号一次并行地输出存储的数据; 用于将从线路锁存电路输出的数字数据转换为模拟信号的电流型数模转换器,模拟信号以电流信号的形式输出; 以及用于将当前数模转换器的输出传送到外部面板的源极线并用于屏蔽内部电路与面板的高电压的高压屏蔽电路。 移位寄存器,数据锁存电路,线路锁存电路,电流型数模转换器和高压屏蔽电路以正常电压驱动。
    • 6. 发明申请
    • Low power and high density source driver and current driven active matrix organic electroluminescent device having the same
    • 具有相同功能的低功率和高密度源极驱动器和电流驱动的有源矩阵有机电致发光器件
    • US20050007315A1
    • 2005-01-13
    • US10739735
    • 2003-12-17
    • Yil-Suk YangByung-Doo KimJong-Dae KimTae-Moon RohDae-Woo LeeByoung-Gon YuIl-Yong ParkSung-Ku Kwon
    • Yil-Suk YangByung-Doo KimJong-Dae KimTae-Moon RohDae-Woo LeeByoung-Gon YuIl-Yong ParkSung-Ku Kwon
    • G09G3/30G09G3/32
    • G09G3/3283G09G3/3241G09G2310/027G09G2330/021
    • Disclosed is a low power and high density source driver and a current driven active matrix organic electroluminescent device having the same, in which all elements operate at a normal voltage and all circuits of the source driver are shielded from a high voltage of a panel. The source driver includes: a shift register for generating an enable signal for storing data; a data latch circuit for storing digital data inputted from an exterior; a line latch circuit for sequentially storing the data in response to the enable signal and outputting the stored data in parallel at one time in response to a load signal; a current type digital-to-analog converter for converting the digital data outputted from the line latch circuit into an analog signal, the analog signal being outputted in a form of a current signal; and a high voltage shield circuit for transferring the output of the current digital-to-analog converter to source lines of an external panel and for shielding internal circuits from a high voltage of the panel. The shift register, the data latch circuit, the line latch circuit, the current type digital-to-analog converter and the high voltage shield circuit are driven at a normal voltage.
    • 公开了一种低功率和高密度源极驱动器以及具有这种驱动器的电流驱动有源矩阵有机电致发光器件,其中所有元件都工作在正常电压,并且源极驱动器的所有电路都屏蔽了面板的高电压。 源极驱动器包括:移位寄存器,用于产生用于存储数据的使能信号; 数据锁存电路,用于存储从外部输入的数字数据; 行锁存电路,用于响应于使能信号顺序地存储数据并响应于负载信号一次并行地输出存储的数据; 用于将从线路锁存电路输出的数字数据转换为模拟信号的电流型数模转换器,模拟信号以电流信号的形式输出; 以及用于将当前数模转换器的输出传送到外部面板的源极线并用于屏蔽内部电路与面板的高电压的高压屏蔽电路。 移位寄存器,数据锁存电路,线路锁存电路,电流型数模转换器和高压屏蔽电路以正常电压驱动。