Display drive circuit and drive method
    1.
    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。

    READOUT INTEGRATED CIRCUIT FOR A TOUCH SCREEN
    2.
    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
    3.
    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。

    PAD LAYOUT STRUCTURE OF A DRIVER IC CHIP
    4.
    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
    5.
    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。

    Circuit and method for driving OLED display
    6.
    发明授权
    Circuit and method for driving OLED display 有权
    用于驱动OLED显示器的电路和方法

    公开(公告)号:US09311858B2

    公开(公告)日:2016-04-12

    申请号:US12912223

    申请日:2010-10-26

    IPC分类号: G09G3/32

    摘要: A circuit for driving an organic light emitting diode display includes a display panel that displays an image by using organic light emitting diodes disposed at intersection areas of a plurality of gate lines and a plurality of data lines; a threshold voltage detection control unit that supplies a precharge voltage by sequentially turning on transistors for threshold voltage detection, which are connected among the data lines and the organic light emitting diodes on the display panel, in units of horizontal lines, and enables threshold voltages to be detected; and a source driver that detects threshold voltages of all organic light emitting diodes arranged on a corresponding horizontal line, and repeats an operation, as necessary, for sampling/holding the detected threshold voltages through M sample/hold circuits, converting the sampled/held threshold voltages into digital signals, and storing the digital signals in a memory.

    摘要翻译: 用于驱动有机发光二极管显示器的电路包括:显示面板,其通过使用设置在多条栅极线和多条数据线的交叉区域上的有机发光二极管来显示图像; 阈值电压检测控制单元,其以水平线为单位顺序地接通连接在显示面板上的数据线和有机发光二极管之间的用于阈值电压检测的晶体管,从而提供预充电电压, 被检测到 以及源驱动器,其检测布置在相应的水平线上的所有有机发光二极管的阈值电压,并根据需要重复进行通过M个采样/保持电路采样/保持检测到的阈值电压的操作,转换采样/保持阈值 电压转换为数字信号,并将数字信号存储在存储器中。

    Source driver circuit of liquid crystal display device
    8.
    发明授权
    Source driver circuit of liquid crystal display device 有权
    液晶显示装置源驱动电路

    公开(公告)号:US08913048B2

    公开(公告)日:2014-12-16

    申请号:US13575591

    申请日:2010-03-12

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

    摘要: Provided is a technology for preventing noisy data from being displayed before valid data is inputted when power is turned on in a liquid crystal display. A source driver circuit for a liquid crystal display includes: a power supply voltage input unit configured to divide a first power supply voltage and a second power supply voltage, such that a middle level of the second power supply voltage is lower than a level of the first power supply voltage; a power supply voltage comparison unit configured to compare division voltages inputted from the power supply voltage input unit, and output an output voltage of a high level in a time period in which the middle level of the second power supply voltage is higher than the level of the first power supply voltage; a Schmitt trigger configured to output the output voltage of the power supply voltage comparison unit as a reset signal while preventing a sensitive response to external environment; and a specific voltage supply unit configured to output a voltage of a specific level in a time period between the input of the reset signal from the Schmitt trigger and the input of a first gate start pulse.

    摘要翻译: 提供了一种用于在液晶显示器中接通电源时在有效数据被输入之前防止有噪声数据被显示的技术。 用于液晶显示器的源极驱动电路包括:电源电压输入单元,被配置为将第一电源电压和第二电源电压分压,使得第二电源电压的中间电平低于第 第一电源电压; 电源电压比较单元,被配置为比较从电源电压输入单元输入的分压,并且在第二电源电压的中间电平高于第二电源电压的电平的时间段中输出高电平的输出电压 第一电源电压; 施密特触发器,被配置为输出电源电压比较单元的输出电压作为复位信号,同时防止对外部环境的敏感响应; 以及特定电压供给单元,被配置为在施密特触发器的复位信号的输入和第一栅极起始脉冲的输入之间的时间段中输出特定电平的电压。

    Power supply circuit for liquid crystal display device that changes durations of control signals
    9.
    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

    Central processing unit for preventing program malfunction
    10.
    发明授权
    Central processing unit for preventing program malfunction 失效
    用于防止程序故障的中央处理单元

    公开(公告)号:US5838896A

    公开(公告)日:1998-11-17

    申请号:US773934

    申请日:1996-12-30

    申请人: Dae Keun Han

    发明人: Dae Keun Han

    摘要: An improved CPU for preventing a program malfunction which is capable of preventing a malfunction of a program by resetting the CPU when an abnormal data is fetched from a memory due to a noise, which includes a program counter for designating an address of an instruction to be executed, a first instruction register for storing an instruction outputted from a memory by the program counter, a second instruction register for fetching an instruction stored in the first instruction register in accordance with a first internal clock signal, a third instruction register for fetching an instruction stored in the first instruction register in accordance with a second internal clock signal, a comparator, which is operated in accordance with an enable signal, for comparing whether instructions stored in the second instruction register and the third instruction register are identical, a reset controller for outputting a reset signal in accordance with an output signal from the comparator, an instruction decoder for decoding an operation code of an instruction stored in the third instruction register in accordance with an output signal from the comparator and for outputting a control signal and a program count value change instruction, and an execution unit for executing an instruction in accordance with a control signal from the instruction decoder.

    摘要翻译: 一种用于防止程序故障的改进CPU,其能够通过由于噪声从存储器取出异常数据时通过复位CPU来防止程序故障,该程序计数器包括用于指定要指令的地址的程序计数器 执行用于存储由程序计数器从存储器输出的指令的第一指令寄存器,用于根据第一内部时钟信号取出存储在第一指令寄存器中的指令的第二指令寄存器,用于获取指令的第三指令寄存器 根据第二内部时钟信号存储在第一指令寄存器中,比较器,其根据使能信号进行操作,用于比较存储在第二指令寄存器中的指令与第三指令寄存器是否相同;复位控制器, 根据来自比较器的输出信号输出复位信号, 用于根据来自比较器的输出信号对存储在第三指令寄存器中的指令的操作代码进行解码并输出控制信号和程序计数值改变指令的执行单元,以及执行单元,用于根据 来自指令解码器的控制信号。