READOUT INTEGRATED CIRCUIT FOR A TOUCH SCREEN
    1.
    发明申请
    READOUT INTEGRATED CIRCUIT FOR A TOUCH SCREEN 审中-公开
    用于触摸屏的读出集成电路

    公开(公告)号:US20120169701A1

    公开(公告)日:2012-07-05

    申请号:US13394696

    申请日:2010-09-01

    IPC分类号: G09G5/00

    摘要: A readout integrated circuit (ROIC) for a touch screen, the readout integrated circuit includes: a touch sensor unit configured to include a plurality of touch sensors which are arranged in a matrix form having rows and columns in an inside or outside of a touch screen panel (TSP); a plurality of sensing blocks configured to sense an electrical change in each of the touch sensors, to convert the electrical change into a voltage value, and to store the voltage value; a delta circuit unit configured to receive a difference between two sensing voltage values stored in two sensing blocks, respectively, which are spaced by a predetermined distance and selected from among the plurality of sensing blocks, and to produce a delta (Δ) voltage; and an analog-to-digital converter configured to convert an analog signal output from the delta circuit unit into an N-bit digital signal (wherein, “N” is a natural number).

    摘要翻译: 一种用于触摸屏的读出集成电路(ROIC),所述读出集成电路包括:触摸传感器单元,被配置为包括多个触摸传感器,所述多个触摸传感器以矩阵形式布置,在触摸屏的内部或外部具有行和列 小组(TSP); 多个感测块,被配置为感测每个触摸传感器中的电变化,将电变化转换为电压值,并存储电压值; Δ电路单元,被配置为接收分别存储在两个感测块中的两个感测电压值之间的差异,所述感测电压值间隔预定距离并从所述多个感测块中选择并产生增量(&Dgr)电压; 以及模拟 - 数字转换器,被配置为将从所述增量电路单元输出的模拟信号转换为N位数字信号(其中,“N”是自然数)。

    AMPLIFIER INCLUDING DITHERING SWITCH AND DISPLAY DRIVING CIRCUIT USING THE AMPLIFIER
    2.
    发明申请
    AMPLIFIER INCLUDING DITHERING SWITCH AND DISPLAY DRIVING CIRCUIT USING THE AMPLIFIER 有权
    放大器包括使用放大器的切换开关和显示驱动电路

    公开(公告)号:US20110169808A1

    公开(公告)日:2011-07-14

    申请号:US13062652

    申请日:2009-09-04

    IPC分类号: G09G5/00 H03F3/45

    摘要: An amplifier and a display driving circuit. The amplifier includes an input stage, a bias stage and an output stage. The input stage determines voltage levels of two nodes in correspondence to two input voltages received in response to a first bias voltage, and includes four path selecting switches, two input transistors and one bias transistor. The bias stage generates two class AB output voltages which correspond to the voltage levels of the two nodes, and includes current mirrors, ten path selecting switches, class AB bias circuits and two bias transistors. The output stage generates an output voltage VOUT that corresponds to the two class AB output voltages, and includes two coupling capacitors and two push-pull transistors. The plurality of path selecting switches operate by one signal of a first path selecting signal and a second path selecting signal that are exclusively enabled with respect to each other.

    摘要翻译: 放大器和显示驱动电路。 放大器包括输入级,偏置级和输出级。 输入级确定对应于响应于第一偏置电压接收的两个输入电压的两个节点的电压电平,并且包括四个路径选择开关,两个输入晶体管和一个偏置晶体管。 偏置级产生对应于两个节点的电压电平的两个AB类输出电压,并且包括电流镜,十路径选择开关,AB类偏置电路和两个偏置晶体管。 输出级产生对应于两个AB类输出电压的输出电压VOUT,并且包括两个耦合电容器和两个推挽晶体管。 多个路径选择开关由第一路径选择信号和第二路径选择信号的一个信号进行操作,第一路径选择信号和第二路径选择信号彼此独占地启用。

    Liquid crystal display driving circuit with less current consumption
    3.
    发明授权
    Liquid crystal display driving circuit with less current consumption 有权
    液晶显示驱动电路,耗电少

    公开(公告)号:US09030453B2

    公开(公告)日:2015-05-12

    申请号:US13201989

    申请日:2010-01-29

    IPC分类号: G06F3/038 G09G5/00 G09G3/36

    摘要: An LCD driving circuit includes a first buffer configured to have a terminal for a first voltage, a terminal for a second voltage and a terminal for an intermediate voltage between the first voltage and the second voltage, and be driven in a range from the first voltage to the intermediate voltage; and a second buffer configured to have a terminal for the first voltage, a terminal for the second voltage and a terminal for the intermediate voltage, and be driven in a range from the intermediate voltage to the second voltage. The terminal for the intermediate voltage of the first buffer and the terminal for the intermediate voltage of the second buffer are connected with each other, and the first voltage is a highest voltage, the second voltage is a lowest voltage, and the intermediate voltage is in a range from the first voltage to the second voltage.

    摘要翻译: LCD驱动电路包括:第一缓冲器,被配置为具有用于第一电压的端子,用于第二电压的端子和用于第一电压和第二电压之间的中间电压的端子,并且在从第一电压 到中间电压; 以及第二缓冲器,被配置为具有用于第一电压的端子,用于第二电压的端子和用于中间电压的端子,并且在从中间电压到第二电压的范围内被驱动。 第一缓冲器的中间电压的端子和第二缓冲器的中间电压的端子彼此连接,第一电压为最高电压,第二电压为最低电压,中间电压为 从第一电压到第二电压的范围。

    Amplifier including dithering switch and display driving circuit using the amplifier
    4.
    发明授权
    Amplifier including dithering switch and display driving circuit using the amplifier 有权
    放大器包括抖动开关和使用放大器的显示驱动电路

    公开(公告)号:US08638164B2

    公开(公告)日:2014-01-28

    申请号:US13062652

    申请日:2009-09-04

    IPC分类号: H03F1/02

    摘要: An amplifier and a display driving circuit. The amplifier includes an input stage, a bias stage and an output stage. The input stage determines voltage levels of two nodes in correspondence to two input voltages received in response to a first bias voltage, and includes four path selecting switches, two input transistors and one bias transistor. The bias stage generates two class AB output voltages which correspond to the voltage levels of the two nodes, and includes current mirrors, ten path selecting switches, class AB bias circuits and two bias transistors. The output stage generates an output voltage VOUT that corresponds to the two class AB output voltages, and includes two coupling capacitors and two push-pull transistors. The plurality of path selecting switches operate by one signal of a first path selecting signal and a second path selecting signal that are exclusively enabled with respect to each other.

    摘要翻译: 放大器和显示驱动电路。 放大器包括输入级,偏置级和输出级。 输入级确定对应于响应于第一偏置电压接收的两个输入电压的两个节点的电压电平,并且包括四个路径选择开关,两个输入晶体管和一个偏置晶体管。 偏置级产生对应于两个节点的电压电平的两个AB类输出电压,并且包括电流镜,十路径选择开关,AB类偏置电路和两个偏置晶体管。 输出级产生对应于两个AB类输出电压的输出电压VOUT,并且包括两个耦合电容器和两个推挽晶体管。 多个路径选择开关由第一路径选择信号和第二路径选择信号的一个信号进行操作,第一路径选择信号和第二路径选择信号彼此独占地启用。

    LIQUID CRYSTAL DISPLAY DRIVING CIRCUIT WITH LESS CURRENT CONSUMPTION
    5.
    发明申请
    LIQUID CRYSTAL DISPLAY DRIVING CIRCUIT WITH LESS CURRENT CONSUMPTION 有权
    液晶显示驱动电路,消耗电流不足

    公开(公告)号:US20110298769A1

    公开(公告)日:2011-12-08

    申请号:US13201989

    申请日:2010-01-29

    IPC分类号: G09G3/36 G09G5/00

    摘要: An LCD driving circuit includes a first buffer configured to have a terminal for a first voltage, a terminal for a second voltage and a terminal for an intermediate voltage between the first voltage and the second voltage, and be driven in a range from the first voltage to the intermediate voltage; and a second buffer configured to have a terminal for the first voltage, a terminal for the second voltage and a terminal for the intermediate voltage, and be driven in a range from the intermediate voltage to the second voltage. The terminal for the intermediate voltage of the first buffer and the terminal for the intermediate voltage of the second buffer are connected with each other, and the first voltage is a highest voltage, the second voltage is a lowest voltage, and the intermediate voltage is in a range from the first voltage to the second voltage.

    摘要翻译: LCD驱动电路包括:第一缓冲器,被配置为具有用于第一电压的端子,用于第二电压的端子和用于第一电压和第二电压之间的中间电压的端子,并且在从第一电压 到中间电压; 以及第二缓冲器,被配置为具有用于第一电压的端子,用于第二电压的端子和用于中间电压的端子,并且在从中间电压到第二电压的范围内被驱动。 第一缓冲器的中间电压的端子和第二缓冲器的中间电压的端子彼此连接,第一电压为最高电压,第二电压为最低电压,中间电压为 从第一电压到第二电压的范围。

    POWER MANAGEMENT CHIP FURNISHED WITH VOLTAGE CONTROLLER
    6.
    发明申请
    POWER MANAGEMENT CHIP FURNISHED WITH VOLTAGE CONTROLLER 审中-公开
    电源管理芯片带电压控制器

    公开(公告)号:US20110199821A1

    公开(公告)日:2011-08-18

    申请号:US13124825

    申请日:2009-10-13

    IPC分类号: G11C16/06

    摘要: A power management IC includes a first IC having a boost converter IC which generates a second voltage using a first voltage supplied from an outside and supplies the second voltages to a charge pump, a reference voltage generation circuit, and an EEPROM; and a second IC configured to be inputted with a third voltage and a fourth voltage as outputs of the charge pump and output a fifth voltage and a sixth voltage. The second IC has a voltage regulator which regulates the third voltage and the fourth voltage or the fifth voltage and the sixth voltage and generates an eighth voltage and a ninth voltage as voltages required for programming operation or erasing operation of the EEPROM.

    摘要翻译: 电源管理IC包括具有升压转换器IC的第一IC,其使用从外部提供的第一电压产生第二电压,并将第二电压提供给电荷泵,参考电压产生电路和EEPROM; 以及第二IC,被配置为输入第三电压和第四电压作为电荷泵的输出,并输出第五电压和第六电压。 第二IC具有调节第三电压和第四电压或第五电压和第六电压的电压调节器,并且产生作为EEPROM的编程操作或擦除操作所需的电压的第八电压和第九电压。

    Power supply circuit for liquid crystal display device that changes durations of control signals
    7.
    发明授权
    Power supply circuit for liquid crystal display device that changes durations of control signals 有权
    用于改变控制信号持续时间的液晶显示装置的电源电路

    公开(公告)号:US08854354B2

    公开(公告)日:2014-10-07

    申请号:US12909272

    申请日:2010-10-21

    IPC分类号: G09G5/00 G09G3/36

    摘要: A power supply circuit of a liquid crystal display device includes a first positive polarity charge charging unit including a first capacitor connected to positive and negative power terminals through switches to charge a charge, a second positive polarity charge charging unit including a second capacitor connected to the positive power terminal and a ground terminal through switches to charge a charge, a first positive polarity charge loading unit loading the charge supplied through the positive power terminal to a negative polarity terminal, a second positive polarity charge loading unit loading the charge charged in the first capacitor to a negative polarity terminal, a third positive polarity charge loading unit loading the charge charged in the second capacitor, and a positive polarity charge charging/loading control unit outputting charging control signals with a same phase to the switches, and periodically or irregularly changing durations of the charging and loading control signals.

    摘要翻译: 液晶显示装置的电源电路包括第一正极性充电充电单元,其包括通过开关对正电源端子和负电源端子连接的第一电容器进行充电;第二正极性充电单元,包括连接到 正电源端子和接地端子,通过开关对电荷充电,第一正极性电荷负载单元将通过正电源端子提供的电荷负载到负极端子;第二正极性电荷负载单元,负载在第一 电容器连接到负极端子,第三正极性电荷负载单元加载充电在第二电容器中的电荷;以及正极性充电充电/负载控制单元,向开关输出具有相同相位的充电控制信号,并周期性地或不规则地改变 充电和加载控制的持续时间 诺尔斯

    Display drive circuit and drive method
    8.
    发明授权
    Display drive circuit and drive method 有权
    显示驱动电路和驱动方式

    公开(公告)号:US08451207B2

    公开(公告)日:2013-05-28

    申请号:US12997847

    申请日:2009-05-22

    IPC分类号: G09G3/36

    摘要: A display driving circuit and method is capable of minimizing the residual image of a display panel as well as consumption electric current. The display driving circuit generates driving signals corresponding to valid data and black data and transmits the driving signals to a display panel, and includes N data selection switches (where N is the integer), N buffers, N buffer output selection switches, and multiple charge sharing switches. The N data selection switches select one of the valid data and the black data. The N buffers buffer the signal selected by the respective data selection switches. The N buffer output selection switches switch outputs of the buffers to output the respective driving signals. The multiple charge sharing switches connect the neighboring pairs of the driving signals.

    摘要翻译: 显示驱动电路和方法能够使显示面板的残留图像以及消耗电流最小化。 显示驱动电路产生与有效数据和黑色数据相对应的驱动信号,并将驱动信号发送到显示面板,并且包括N个数据选择开关(其中N是整数),N个缓冲器,N个缓冲器输出选择开关和多次充电 共享交换机 N个数据选择开关选择有效数据和黑色数据之一。 N个缓冲器缓冲由各个数据选择开关选择的信号。 N个缓冲器输出选择开关切换缓冲器的输出以输出相应的驱动信号。 多个电荷共享开关连接相邻的驱动信号对。

    PAD LAYOUT STRUCTURE OF A DRIVER IC CHIP
    9.
    发明申请
    PAD LAYOUT STRUCTURE OF A DRIVER IC CHIP 有权
    驱动IC芯片的PAD布局结构

    公开(公告)号:US20110089576A1

    公开(公告)日:2011-04-21

    申请号:US12997206

    申请日:2009-05-22

    IPC分类号: H01L23/52

    摘要: A pad layout structure of a driver IC chip to be mounted to a liquid crystal display panel. The pad layout structure includes power pad sections placed at respective four corners of the driver IC chip and each having a first power pad for supplying first power to the driver IC chip, a second power pad for supplying second power to the driver IC chip, a third power pad for supplying third power to the driver IC chip and a fourth power pad for supplying fourth power to the driver IC chip.

    摘要翻译: 要安装到液晶显示面板的驱动器IC芯片的焊盘布局结构。 焊盘布局结构包括放置在驱动器IC芯片的四个角的功率焊盘部分,并且每个具有用于向驱动器IC芯片提供第一电力的第一电源焊盘,用于向驱动器IC芯片提供第二电力的第二电源焊盘, 用于向驱动器IC芯片提供第三电力的第三电源焊盘和用于向驱动器IC芯片提供第四电力的第四电源焊盘。

    Arithmetic logic unit circuit with reduced propagation delays
    10.
    发明授权
    Arithmetic logic unit circuit with reduced propagation delays 失效
    具有减小的传播延迟的算术逻辑单元电路

    公开(公告)号:US5726928A

    公开(公告)日:1998-03-10

    申请号:US624205

    申请日:1996-04-03

    申请人: Dae Keun Han

    发明人: Dae Keun Han

    CPC分类号: G06F7/575

    摘要: An improved arithmetic logic operation circuit capable of advantageously reducing propagation delay due to a logic gate for obtaining a high speed arithmetic logic unit by minimizing the number of logic gates, which includes an even bit arithmetic logic unit cell for logically operating upon even bits of a first and second data and for generating a carry out signal in accordance with an inverted carry in signal, an inverted carry enable signal and an operation control signal, and an odd bit arithmetic logic unit cell for logically operating upon the odd bits of the first and second data and for generating a carry out signal in accordance with the carry in signal, a carry enable signal and the operation control signal.

    摘要翻译: 一种改进的算术逻辑运算电路,其能够有利地减少由逻辑门引起的传播延迟,以便通过最小化逻辑门的数量来获得高速算术逻辑单元,逻辑门包括偶数位运算逻辑单元,用于在偶数位 第一数据和第二数据,并且用于根据反相进位信号,反转进位使能信号和运算控制信号以及奇数位运算逻辑单元,根据第一和第二数据的奇数位产生进位信号, 第二数据和用于根据进位信号产生进位信号,进位使能信号和操作控制信号。