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    • 2. 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。
    • 3. 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。
    • 6. 发明授权
    • Reference voltage generation circuit for comparator
    • 比较器参考电压发生电路
    • US06124743A
    • 2000-09-26
    • US235748
    • 1999-01-25
    • Yil-Suk Yang
    • Yil-Suk Yang
    • H03K5/08H03K5/13
    • H03K5/082
    • A reference voltage generation circuit which is capable of generating a reference voltage having multiple steps by using a periodic response characteristic of a chaotic circuit. The circuit includes a first sample/hold unit for sampling and holding a periodic output voltage V3 in accordance with a first clock signal CLK1 from an externally connected clock signal generation unit, a second sample/hold unit for sampling and holding an output voltage V3' from the first sample/hold unit in accordance with a second clock signal CLK2 from the externally connected clock signal generation unit, a non-linear unit for receiving voltage V4 from the second sample/hold unit and outputting a non-linear voltage V2 signal having a sawtooth-shaped transfer characteristic, and an addition unit for adding the non-linear voltage signal V2 from the non-linear unit and an externally applied voltage signal V1 and outputting the periodic output voltage V3.
    • 一种参考电压产生电路,其能够通过使用混沌电路的周期性响应特性来产生具有多个步骤的参考电压。 该电路包括用于根据来自外部连接的时钟信号产生单元的第一时钟信号CLK1采样和保持周期性输出电压V3的第一采样/保持单元,用于采样并保持输出电压V3'的第二采样/保持单元, 根据来自外部连接的时钟信号产生单元的第二时钟信号CLK2从第一采样/保持单元获得用于从第二采样/保持单元接收电压V4的非线性单元,并输出具有 锯齿形传送特性,以及用于将来自非线性单元的非线性电压信号V2和外部施加的电压信号V1相加并输出周期性输出电压V3的加法单元。