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    AMPLIFIER FOR OUTPUT BUFFER AND SIGNAL PROCESSING APPARATUS USING THE SAME
    1.
    发明申请
    AMPLIFIER FOR OUTPUT BUFFER AND SIGNAL PROCESSING APPARATUS USING THE SAME 有权
    用于输出缓冲器和信号处理装置的放大器

    公开(公告)号：US20130249635A1

    公开(公告)日：2013-09-26

    申请号：US13754267

    申请日：2013-01-30

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyung-Tae Kim ,  Soo-Ik Cha

    IPC: H03F3/45

    CPC classification number: H03F3/45179 ,  H03F3/3028 ,  H03F3/45219 ,  H03F2200/456 ,  H03F2203/45166

    Abstract: An amplifier for an output buffer includes an operational amplifier including a first input terminal, a second input terminal, and an output terminal, the operational amplifier is configured to generate an input bias current and amplify a voltage difference between signals applied to the first input terminal and the second input terminal, and to output the amplified voltage difference; and a self-bias circuit connected to the first input terminal and the second input terminal, the self-bias circuit is configured to generate first and second current paths when the voltage difference is equal to or greater than a predetermined voltage, to generate a tail current on the first or second current path, and to add the generated tail current to the input bias current of the operational amplifier, wherein the second input terminal is connected to the output terminal.

    Abstract translation: 一种用于输出缓冲器的放大器，包括：运算放大器，包括第一输入端，第二输入端和输出端，运算放大器被配置为产生输入偏置电流，并放大施加到第一输入端的信号之间的电压差 和第二输入端，并输出放大的电压差; 以及与所述第一输入端子和所述第二输入端子连接的自偏置电路，所述自偏置电路被配置为当所述电压差等于或大于预定电压时产生第一和第二电流路径，以产生尾部 电流在第一或第二电流路径上，并且将产生的尾电流加到运算放大器的输入偏置电流，其中第二输入端连接到输出端。

    SOURCE DRIVING CIRCUIT CAPABLE OF COMPENSATING FOR AMPLIFIER OFFSET, AND DISPLAY DEVICE INCLUDING THE SAME
    3.
    发明申请
    SOURCE DRIVING CIRCUIT CAPABLE OF COMPENSATING FOR AMPLIFIER OFFSET, AND DISPLAY DEVICE INCLUDING THE SAME 有权
    用于放大器偏移的补偿源驱动电路和包括其的显示装置

    公开(公告)号：US20150194086A1

    公开(公告)日：2015-07-09

    申请号：US14478078

    申请日：2014-09-05

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyung-Tae Kim ,  Vic Lee ,  Julius Pan ,  Yuwen Chiou

    IPC: G09G3/20

    CPC classification number: G09G3/3688 ,  G09G2310/027 ,  G09G2310/0291

    Abstract: A display device capable of decreasing an amplifier offset using a gate-start pulse signal is disclosed. A display device includes a display panel, a control circuit, a gate driving circuit and a source driving circuit. The source driving circuit includes a plurality of source driving chips, compensates for an amplifier offset in response to the gate-start pulse signal, performs digital-to-analog (D/A) conversion on data received from the control circuit using gray scale voltages in response to the source control signal, and provides the converted data to the source lines.

    Abstract translation: 公开了一种能够使用栅极 - 起始脉冲信号来减小放大器偏移的显示装置。 显示装置包括显示面板，控制电路，栅极驱动电路和源极驱动电路。 源极驱动电路包括多个源极驱动芯片，用于响应于栅极起始脉冲信号补偿放大器偏移，对使用灰度电压的控制电路接收到的数据执行数模（D / A）转换 响应于源控制信号，并将转换的数据提供给源极线。

    Amplifier for output buffer and signal processing apparatus using the same
    4.
    发明授权
    Amplifier for output buffer and signal processing apparatus using the same 有权
    用于输出缓冲器的放大器和使用它的信号处理装置

    公开(公告)号：US08963640B2

    公开(公告)日：2015-02-24

    申请号：US13754267

    申请日：2013-01-30

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyung-Tae Kim ,  Soo-Ik Cha

    IPC: H03F3/45 ,  H03F3/30

    CPC classification number: H03F3/45179 ,  H03F3/3028 ,  H03F3/45219 ,  H03F2200/456 ,  H03F2203/45166

    Abstract: An amplifier for an output buffer includes an operational amplifier including a first input terminal, a second input terminal, and an output terminal, the operational amplifier is configured to generate an input bias current and amplify a voltage difference between signals applied to the first input terminal and the second input terminal, and to output the amplified voltage difference; and a self-bias circuit connected to the first input terminal and the second input terminal, the self-bias circuit is configured to generate first and second current paths when the voltage difference is equal to or greater than a predetermined voltage, to generate a tail current on the first or second current path, and to add the generated tail current to the input bias current of the operational amplifier, wherein the second input terminal is connected to the output terminal.

    Abstract translation: 一种用于输出缓冲器的放大器，包括：运算放大器，包括第一输入端，第二输入端和输出端，运算放大器被配置为产生输入偏置电流，并放大施加到第一输入端的信号之间的电压差 和第二输入端，并输出放大的电压差; 以及与所述第一输入端子和所述第二输入端子连接的自偏置电路，所述自偏置电路被配置为当所述电压差等于或大于预定电压时产生第一和第二电流路径，以产生尾部 电流在第一或第二电流路径上，并且将产生的尾电流加到运算放大器的输入偏置电流，其中第二输入端连接到输出端。

    Voltage level conversion circuits and display devices including the same
    6.
    发明授权
    Voltage level conversion circuits and display devices including the same 有权
    电压电平转换电路和包括其的显示装置

    公开(公告)号：US09209812B2

    公开(公告)日：2015-12-08

    申请号：US14183662

    申请日：2014-02-19

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyung-Tae Kim ,  Ji-Woon Jung

    IPC: H03L5/00 ,  G09G3/36 ,  H03K3/356 ,  H03K19/0185

    CPC classification number: H03L5/00 ,  G09G3/3648 ,  G09G3/3677 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2310/0289 ,  H03K3/35613 ,  H03K19/018528

    Abstract: A voltage level conversion circuit includes a voltage switch circuit and a level shift circuit. The voltage switch circuit is configured to sequentially output an intermediate voltage and a conversion voltage in response to a switch signal. The level shift circuit is configured to latch a voltage level corresponding to an input signal using the intermediate voltage, and to convert the latched voltage level using the conversion voltage to generate an output signal.

    Abstract translation: 电压电平转换电路包括电压开关电路和电平移位电路。 电压开关电路被配置为响应于开关信号顺序地输出中间电压和转换电压。 电平移位电路被配置为使用中间电压来锁存与输入信号相对应的电压电平，并且使用转换电压来转换锁存电压电平以产生输出信号。

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