会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明申请
    • D/A CONVERTER CIRCUIT AND ITS VOLTAGE SUPPLY CONTROL METHOD
    • D / A转换器电路及其电压供应控制方法
    • US20110148945A1
    • 2011-06-23
    • US12967499
    • 2010-12-14
    • Satoru MATSUDA
    • Satoru MATSUDA
    • G09G3/36G09G5/10
    • H03M1/76G09G2310/027H03M1/661
    • A DAC includes a DAC unit that selects one of a plurality of selection voltages according to an input digital signal, and outputs the selected selection voltage as an analog signal, a first power-supply voltage terminal through which a first power-supply voltage is supplied to a first terminal of a transistor constituting the DAC unit upon power-up of the DAC unit, and a voltage supply control unit that detects a potential difference between the first power-supply voltage and a second voltage used to generate the selection voltages, outputs a voltage corresponding to the first power-supply voltage to a second terminal of the transistor constituting the DAC unit when the potential difference is larger than a predetermined value, and outputs a voltage corresponding to the second voltage to the second terminal of the transistor constituting the DAC unit when the potential difference is smaller than the predetermined value.
    • DAC包括DAC单元,其根据输入数字信号选择多个选择电压中的一个,并且将所选择的选择电压作为模拟信号输出,第一电源电压端子,通过其提供第一电源电压 在DAC单元上电时,构成DAC单元的晶体管的第一端子,以及电压供给控制单元,其检测第一电源电压与用于产生选择电压的第二电压之间的电位差,输出 当所述电位差大于预定值时,将构成所述DAC单元的所述晶体管的第二端子的第一电源电压的电压输出到构成所述DAC单元的所述晶体管的所述第二端子 DAC单元,当电位差小于预定值时。
    • 8. 发明申请
    • DRIVING CIRCUIT AND DRIVING METHOD
    • 驱动电路和驱动方法
    • US20110007063A1
    • 2011-01-13
    • US12825871
    • 2010-06-29
    • Satoru MATSUDA
    • Satoru MATSUDA
    • G09G5/00
    • G09G3/3688G09G3/3614G09G2310/0251G09G2310/0297
    • A driving circuit includes: output buffers provided to drive first and second groups of data lines, which are connected with pixels of a display panel, with drive voltage signals supplied to input terminals of the output buffers, respectively; first and second common portions; and a first short-circuiting section provided for each of the data lines of the first group to connect the input terminal of a corresponding one of the output buffers for the first group of data lines to the first common portion in response to a first connection control signal. A second short-circuiting section is provided for each of the data lines of the second group to connect the input terminal of a corresponding one of the output buffers for the second group of data lines to the second common portion in response to a second connection control signal.
    • 一个驱动电路包括:输出缓冲器,用于驱动与显示面板的像素连接的第一和第二组数据线,驱动电压信号分别提供给输出缓冲器的输入端; 第一和第二公共部分; 以及为第一组的每个数据线提供的第一短路部分,用于响应于第一连接控制将第一组数据线的输出缓冲器的相应一个的输入端连接到第一公共部分 信号。 为第二组的每个数据线提供第二短路部分,以响应于第二连接控制将用于第二组数据线的输出缓冲器中的相应一个的输入端连接到第二公共部分 信号。