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18 条记录 (耗时 0.015 秒)

    Digital-to-analog converter and source driver using the same
    1.
    发明授权
    Digital-to-analog converter and source driver using the same 有权

    公开(公告)号：US10419015B2

    公开(公告)日：2019-09-17

    申请号：US15816258

    申请日：2017-11-17

    申请人： INNOAXIS CO., LTD

    发明人： Hwi-Cheol Kim

    IPC分类号： H03M1/66 ,  G09G3/20 ,  H03M7/30 ,  H03M1/76 ,  H03M1/00 ,  H03M1/74 ,  H03M1/78

    摘要： A digital-to-analog converter including a resistor string configured to provide a plurality of gradation voltages formed by receiving a top voltage at one end thereof and a bottom voltage at the other end; a plurality of pass transistors including a pass transistor having one end which is electrically connected to the resistor string and outputting any one among the plurality of gradation voltages; and a decoder configured to control the plurality of pass transistors. The plurality of the pass transistors are included in any one among a plurality of groups according to values of the gradation voltages, and the pass transistors included in the any one group are divided into a first group and a second group according to output gradation voltages, and pass transistors included in the first group and pass transistors included in the second group are different types of pass transistors.

    DIGITAL-TO-ANALOG CONVERTER AND SOURCE DRIVER USING THE SAME
    3.
    发明申请
    DIGITAL-TO-ANALOG CONVERTER AND SOURCE DRIVER USING THE SAME 有权

    公开(公告)号：US20170272092A1

    公开(公告)日：2017-09-21

    申请号：US15464986

    申请日：2017-03-21

    申请人： INNOAXIS CO., LTD

    发明人： Hwi-Cheol KIM

    IPC分类号： H03M1/66 ,  G09G3/20 ,  H03M7/30

    CPC分类号： H03M1/66 ,  G09G3/2007 ,  G09G2310/027 ,  G09G2320/0276 ,  H03M1/00 ,  H03M1/747 ,  H03M1/76 ,  H03M1/785 ,  H03M7/30

    摘要： A digital-to-analog converter including a resistor string configured to provide a plurality of gradation voltages formed by receiving a top voltage at one end thereof and a bottom voltage at the other end; a plurality of pass transistors including a pass transistor having one end which is electrically connected to the resistor string and outputting any one among the plurality of gradation voltages; and a decoder configured to control the plurality of pass transistors. The plurality of the pass transistors are included in any one among a plurality of groups according to values of the gradation voltages, and the pass transistors included in the any one group are divided into a first group and a second group according to output gradation voltages, and pass transistors included in the first group and pass transistors included in the second group are different types of pass transistors.

    Current reuse circuit
    4.
    发明授权
    Current reuse circuit 有权

    公开(公告)号：US10984749B2

    公开(公告)日：2021-04-20

    申请号：US16257239

    申请日：2019-01-25

    申请人： INNOAXIS CO., LTD ,  Aconic Inc.

    发明人： Hwi-Cheol Kim ,  Min Jae Lee

    IPC分类号： G09G3/36

    摘要： A display apparatus includes a first circuit configured to process a signal between a first top voltage and a first bottom voltage, a second circuit configured to process a signal between a second top voltage and a second bottom voltage, and a second circuit power source configured to receive a current provided by the first circuit and provide the second top voltage to the second circuit.

    Source driver capable of high speed charging and discharging
    5.
    发明授权
    Source driver capable of high speed charging and discharging 有权

    公开(公告)号：US10235960B2

    公开(公告)日：2019-03-19

    申请号：US15613456

    申请日：2017-06-05

    申请人： INNOAXIS CO., LTD

    发明人： Hwi-Cheol Kim

    IPC分类号： G09G3/20 ,  G09G3/36 ,  H02N2/04

    摘要： Provided are a source driver for receiving a digital signal and providing a grayscale signal corresponding to the digital signal and a display device for displaying content. The source driver includes an amplifier configured to provide a grayscale signal, a second driving switch configured to provide the grayscale signal provided by the amplifier to an output node or block the grayscale signal, and a first driving unit including a first switch whose one end is connected to a first voltage and whose other end is connected to the output node and a second switch whose one end is connected to a second voltage and whose other end is connected to the output node, and configured to first drive the output node. The output node is first driven by the first driving unit and then second driven by the amplifier with the grayscale signal.

    Digital-to-analog converter and source driver using the same
    7.
    发明授权
    Digital-to-analog converter and source driver using the same 有权

    公开(公告)号：US09825644B2

    公开(公告)日：2017-11-21

    申请号：US15464986

    申请日：2017-03-21

    申请人： INNOAXIS CO., LTD

    发明人： Hwi-Cheol Kim

    IPC分类号： H03M1/66 ,  H03M7/30 ,  G09G3/20 ,  H03M1/00 ,  H03M1/78 ,  H03M1/74

    CPC分类号： H03M1/66 ,  G09G3/2007 ,  G09G2310/027 ,  G09G2320/0276 ,  H03M1/00 ,  H03M1/747 ,  H03M1/76 ,  H03M1/785 ,  H03M7/30

    摘要： A digital-to-analog converter including a resistor string configured to provide a plurality of gradation voltages formed by receiving a top voltage at one end thereof and a bottom voltage at the other end; a plurality of pass transistors including a pass transistor having one end which is electrically connected to the resistor string and outputting any one among the plurality of gradation voltages; and a decoder configured to control the plurality of pass transistors. The plurality of the pass transistors are included in any one among a plurality of groups according to values of the gradation voltages, and the pass transistors included in the any one group are divided into a first group and a second group according to output gradation voltages, and pass transistors included in the first group and pass transistors included in the second group are different types of pass transistors.

    DIGITAL-TO-ANALOG CONVERTER AND SOURCE DRIVER USING THE SAME
    9.
    发明申请
    DIGITAL-TO-ANALOG CONVERTER AND SOURCE DRIVER USING THE SAME 有权

    公开(公告)号：US20180091168A1

    公开(公告)日：2018-03-29

    申请号：US15816258

    申请日：2017-11-17

    申请人： INNOAXIS CO., LTD

    发明人： Hwi-Cheol KIM

    IPC分类号： H03M1/66 ,  G09G3/20 ,  H03M7/30 ,  H03M1/74 ,  H03M1/78 ,  H03M1/00

    CPC分类号： H03M1/66 ,  G09G3/2007 ,  G09G2310/027 ,  G09G2320/0276 ,  H03M1/00 ,  H03M1/747 ,  H03M1/76 ,  H03M1/785 ,  H03M7/30

    摘要： A digital-to-analog converter including a resistor string configured to provide a plurality of gradation voltages formed by receiving a top voltage at one end thereof and a bottom voltage at the other end; a plurality of pass transistors including a pass transistor having one end which is electrically connected to the resistor string and outputting any one among the plurality of gradation voltages; and a decoder configured to control the plurality of pass transistors. The plurality of the pass transistors are included in any one among a plurality of groups according to values of the gradation voltages, and the pass transistors included in the any one group are divided into a first group and a second group according to output gradation voltages, and pass transistors included in the first group and pass transistors included in the second group are different types of pass transistors.