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    • 6. 发明授权
    • Circuit and method for measuring capacitance value of touch screen
    • 用于测量触摸屏电容值的电路和方法
    • US08674709B2
    • 2014-03-18
    • US13106411
    • 2011-05-12
    • Ji Hun KimHyun Min SongJoon Ho NaKi Uk GwakSang Gug Lee
    • Ji Hun KimHyun Min SongJoon Ho NaKi Uk GwakSang Gug Lee
    • G01R27/26
    • G06F3/044
    • A circuit for measuring a capacitance value of a touch screen includes: a target capacitor unit having a target capacitor charged with a target charging voltage; a target voltage control unit to charge the target capacitor; a reference capacitor unit having a reference capacitor charged with a charging reference voltage; a reference voltage control unit to charge the reference capacitor; a comparator to compare the target charging voltage and the charging reference voltage and output a transition signal at a moment when the target charging voltage becomes higher than the charging reference voltage; and a controller to receive an output signal of the comparator and a clock signal and generate a digital output signal and a control signal, wherein a capacitance value of the target capacitor is measured using a time elapsed from a time when the target capacitor is initialized to a time when the transition signal is outputted.
    • 用于测量触摸屏的电容值的电路包括:目标电容器单元,其具有充电目标充电电压的目标电容; 目标电压控制单元,用于对目标电容器充电; 具有充电了充电参考电压的参考电容器的参考电容器单元; 参考电压控制单元,用于对参考电容器充电; 比较器,用于比较目标充电电压和充电参考电压,并在目标充电电压变得高于充电参考电压的时刻输出转换信号; 以及控制器,用于接收比较器的输出信号和时钟信号,并产生数字输出信号和控制信号,其中使用从目标电容器初始化的时间起经过的时间来测量目标电容器的电容值 输出转换信号的时间。
    • 8. 发明授权
    • Driving apparatus for organic electro-luminescence display device
    • 有机电致发光显示装置驱动装置
    • US07592985B2
    • 2009-09-22
    • US11042065
    • 2005-01-26
    • Ji Hun KimHak Su KimHee Young Lee
    • Ji Hun KimHak Su KimHee Young Lee
    • G09G3/32
    • G09G3/3216G09G3/3266G09G2320/043G09G2330/04
    • A driving apparatus for an organic electro-luminescence display device for reducing a deterioration of organic light-emitting diode device in the organic electro-luminescence display device is disclosed. In the driving apparatus, a data supplier supplies a data signal to an anode of an organic light-emitting diode device. A first voltage source generates a first voltage. A second voltage source generates a second voltage higher than said first voltage. A voltage stabilizer stabilizes said second voltage to be supplied to the cathode of the organic light-emitting diode device. First and second switching devices selectively apply said first and second voltages to a cathode of the organic light-emitting diode device.
    • 公开了一种用于有机电致发光显示装置的驱动装置,用于降低有机电致发光显示装置中的有机发光二极管装置的劣化。 在驱动装置中,数据提供者将数据信号提供给有机发光二极管装置的阳极。 第一电压源产生第一电压。 第二电压源产生高于所述第一电压的第二电压。 电压稳定器稳定所述第二电压供给到有机发光二极管器件的阴极。 第一和第二开关器件选择性地将所述第一和第二电压施加到有机发光二极管器件的阴极。
    • 9. 发明授权
    • Light emitting device and method of driving the same
    • 发光装置及其驱动方法
    • US08416160B2
    • 2013-04-09
    • US13020320
    • 2011-02-03
    • Ji Hun Kim
    • Ji Hun Kim
    • G09G3/30
    • G09G3/3283G09G3/3216G09G2310/0248G09G2320/0209G09G2320/0223G09G2320/0233
    • The present invention relates to a light emitting device for preventing a cross-talk phenomenon and a pectinated pattern. The light emitting device includes data lines, scan lines, pixels and a discharging circuit. The data lines are disposed in a first direction, and the scan lines are disposed in a second direction different from the first direction. The pixels are formed in cross areas of the data lines and the scan lines. The discharging circuit discharges at least one data line to a first discharge voltage during a first sub-discharging time of a discharging time, and changes the first discharge voltage into a second discharge voltage during a second sub-discharging time of the discharging time. The light emitting device discharges data lines to discharge voltages corresponding to cathode voltage of pixels, and so cross-talk phenomenon and pectinated pattern is not occurred in the light emitting device.
    • 本发明涉及一种用于防止串扰现象和果胶图案的发光装置。 发光器件包括数据线,扫描线,像素和放电电路。 数据线设置在第一方向上,并且扫描线沿与第一方向不同的第二方向设置。 像素形成在数据线和扫描线的交叉区域中。 放电电路在放电时间的第一次放电时间期间将至少一条数据线放电至第一放电电压,并且在放电时间的第二次放电时间期间将第一放电电压变为第二放电电压。 发光器件将数据线放电以对应于像素的阴极电压的放电电压,因此在发光器件中不会发生串扰现象和锯齿状图案。