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    • 2. 发明授权
    • Panel driving device having a source driving circuit, and liquid crystal display apparatus having the same
    • 具有源极驱动电路的面板驱动装置和具有该驱动电路的液晶显示装置
    • US08890787B2
    • 2014-11-18
    • US13740068
    • 2013-01-11
    • ILI Technology Corporation
    • Chih-Kang ChengSung-Yau YehChih-Kang Deng
    • G09G3/36
    • G09G3/3648G09G3/3688G09G2320/0252
    • A liquid crystal display (LCD) apparatus includes: multiple differential amplifier stages each of which is operable to generate, according to a bias current and an input voltage, an output voltage having a magnitude and a slew rate that correspond respectively to the input voltage and a magnitude of the bias current, and serving as a data voltage of a corresponding pixel unit of an LCD panel; multiple current sources controllable to generate and provide a plurality of the bias currents to the differential amplifier stages, respectively; and a bias voltage generating unit connected electrically to the current sources in a current mirror configuration for generating an input bias current and controlling the current sources to generate the bias currents according to a latch pulse signal. The slew rate of the output voltage corresponds to a logic state of the input bias current.
    • 液晶显示器(LCD)装置包括:多个差分放大器级,每个差分放大器级可以根据偏置电流和输入电压产生具有分别对应于输入电压的幅度和转换速率的输出电压,以及 偏置电流的大小,并且用作LCD面板的相应像素单元的数据电压; 多个电流源可分别产生并提供多个偏置电流到差分放大器级; 以及偏置电压产生单元,以电流镜配置电流连接,用于产生输入偏置电流,并根据锁存脉冲信号控制电流源产生偏置电流。 输出电压的转换速率对应于输入偏置电流的逻辑状态。
    • 8. 发明申请
    • INTERPOLATIVE DIGITAL-TO-ANALOG CONVERTER
    • 插入式数字到模拟转换器
    • US20140043178A1
    • 2014-02-13
    • US13764824
    • 2013-02-12
    • ILI TECHNOLOGY CORPORATION
    • Sung-Yau YEHChih-Kang DENG
    • H03M1/66
    • H03M1/682G09G3/3688H03F3/45179H03M1/66H03M1/68H03M1/745
    • An interpolative digital-to-analog (D/A) converter is adapted to convert a N-bit digital signal into an analog signal, where N is a positive integer greater than 1. The interpolative D/A converter includes a router unit that outputs first and second router voltages based on the first and second bits of the digital signal, and an interpolation unit that receives the first and second router voltages from the router unit, and that performs interpolation operation on the first and second router voltages according to the first bit of the digital signal, so as to generate the analog signal having a voltage magnitude ranging from the first router voltage to the second router voltage.
    • 内插数模(D / A)转换器适于将N位数字信号转换为模拟信号,其中N是大于1的正整数。内插D / A转换器包括输出的路由器单元 基于数字信号的第一和第二位的第一和第二路由器电压,以及内插单元,其从路由器单元接收第一和第二路由器电压,并且根据第一和第二路由器电压对第一和第二路由器电压执行内插操作 以产生具有从第一路由器电压到第二路由器电压的电压幅度的模拟信号。