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    • 51. 发明申请
    • Level shifter and flat panel display
    • 电平移位器和平板显示器
    • US20050122134A1
    • 2005-06-09
    • US10997029
    • 2004-11-22
    • Yong-Sung ParkYang-Wan Kim
    • Yong-Sung ParkYang-Wan Kim
    • G11C19/00G09G3/36H03K3/356H03K19/0175
    • H03K3/356113G09G3/3674G09G2310/0289H03K3/356147
    • A level shifter includes first, second, third, and fourth transistors. The first transistor is operable by an applied first input signal and is for supplying a second input signal to a first main electrode of a transistor. The second transistor is operable by an applied second input signal and is for supplying a first input signal to a first main electrode of a transistor. The third transistor has a first main electrode coupled to a second main electrode of the first transistor and is operable by a signal outputted by the second transistor. The fourth transistor has a first main electrode coupled to a second main electrode of the second transistor and is operable by a signal outputted by the first transistor.
    • 电平移位器包括第一,第二,第三和第四晶体管。 第一晶体管可通过施加的第一输入信号操作,并用于将第二输入信号提供给晶体管的第一主电极。 第二晶体管可通过施加的第二输入信号操作,并且用于将第一输入信号提供给晶体管的第一主电极。 第三晶体管具有耦合到第一晶体管的第二主电极的第一主电极,并且可由第二晶体管输出的信号操作。 第四晶体管具有耦合到第二晶体管的第二主电极的第一主电极,并且可由第一晶体管输出的信号操作。
    • 56. 发明授权
    • Organic light emitting display and method of driving the same
    • 有机发光显示器及其驱动方法
    • US08410999B2
    • 2013-04-02
    • US12975522
    • 2010-12-22
    • Chul-Kyu KangYong-Sung Park
    • Chul-Kyu KangYong-Sung Park
    • G09G3/30
    • G09G3/3233G09G2300/0819G09G2300/0842G09G2300/0861G09G2320/043
    • An organic light emitting display includes pixels coupled to scan lines, first control lines, second control lines, data lines, and first and second power sources. The organic light emitting display further includes a control line driver for providing a first control signal and a second control signal to the pixels through the first control lines and the second control lines, a scan driver for providing scan signals to the pixels through the scan lines, and a data driver for providing data signals to the pixels through data lines. The control line driver simultaneously supplies a first off control signal to the pixels through the first control lines in a first period, simultaneously supplies a reference voltage to the pixels through the first control lines in a second period, and simultaneously supplies a first on control signal to the pixels through the first control lines in a third period.
    • 有机发光显示器包括耦合到扫描线,第一控制线,第二控制线,数据线以及第一和第二电源的像素。 有机发光显示器还包括用于通过第一控制线和第二控制线向像素提供第一控制信号和第二控制信号的控制线驱动器,用于通过扫描线向像素提供扫描信号的扫描驱动器 以及用于通过数据线向像素提供数据信号的数据驱动器。 控制线驱动器在第一周期中通过第一控制线同时向像素提供第一关断控制信号,同时在第二周期中通过第一控制线将参考电压提供给像素,并且同时提供第一导通控制信号 在第三周期中通过第一控制线到像素。
    • 57. 发明授权
    • Light sensing circuit, method of driving the same, and touch panel including the light sensing circuit
    • 光感测电路,驱动电路的方法以及包括光感测电路的触摸面板
    • US08289298B2
    • 2012-10-16
    • US12568931
    • 2009-09-29
    • Deok-Young ChoiYong-Sung ParkDo-Youb KimSoon-Sung AhnIn-Ho Choi
    • Deok-Young ChoiYong-Sung ParkDo-Youb KimSoon-Sung AhnIn-Ho Choi
    • G06F3/042
    • G06F3/0412G06F3/042
    • A light sensing circuit, a method of driving the same, and a touch panel including the light sensing circuit, the light sensing circuit including a photodiode generating current according to the brightness of light incident from the outside; a driving transistor having a first electrode to which a first power voltage is applied, a second electrode, and a gate electrode electrically connected to a cathode of the photodiode; a first reset transistor having a first electrode to which an initialization voltage is applied, a second electrode connected to the gate electrode of the driving transistor, and a gate electrode to which a previous scan signal is applied; and a shielding capacitor disposed between the gate electrode of the driving transistor and the cathode of the photodiode. Accordingly, the brightness of light incident on the photodiode can be accurately determined by initializing the cathode of the photodiode by using a constant voltage.
    • 光感测电路,其驱动方法以及包括光感测电路的触摸面板,所述光感测电路包括根据从外部入射的光的亮度产生电流的光电二极管; 具有施加有第一电源电压的第一电极的驱动晶体管,与所述光电二极管的阴极电连接的第二电极和栅电极; 第一复位晶体管,具有施加初始化电压的第一电极,连接到驱动晶体管的栅电极的第二电极和施加了先前扫描信号的栅电极; 以及设置在驱动晶体管的栅电极和光电二极管的阴极之间的屏蔽电容器。 因此,通过使用恒定电压初始化光电二极管的阴极,可以准确地确定入射到光电二极管上的光的亮度。
    • 60. 发明申请
    • PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME
    • 使用相同的像素和有机发光显示
    • US20120038683A1
    • 2012-02-16
    • US13030085
    • 2011-02-17
    • Yong-Sung ParkDeok-Young ChoiJi-Hye Eom
    • Yong-Sung ParkDeok-Young ChoiJi-Hye Eom
    • G09G5/10G09G3/30
    • G09G3/3233G09G3/3291G09G2300/0465G09G2300/0819G09G2300/0842G09G2300/0861G09G2310/0251G09G2310/0262G09G2320/043
    • A pixel capable of reducing leakage current (to display an image with desired brightness) is provided. The pixel includes: an organic light emitting diode (OLED) coupled to a second power source; a first transistor for controlling an amount of current that flows from a first power source to the second power source via the OLED; a second transistor coupled between a data line and the first transistor, and configured to turn on when a scan signal is supplied to a scan line; a third transistor and a fourth transistor serially coupled between the first transistor and an initializing power source; and a fifth transistor coupled between a first node coupled to a gate electrode of the first transistor, and a second node that is a common node between the third transistor and the fourth transistor, and configured to turn off in a period where current is supplied to the OLED.
    • 提供能够减少泄漏电流(显示具有期望亮度的图像)的像素。 像素包括:耦合到第二电源的有机发光二极管(OLED); 用于控制经由OLED从第一电源流向第二电源的电流量的第一晶体管; 耦合在数据线和第一晶体管之间并被配置为当扫描信号被提供给扫描线时导通的第二晶体管; 串联耦合在第一晶体管和初始化电源之间的第三晶体管和第四晶体管; 以及第五晶体管,其耦合在耦合到所述第一晶体管的栅电极的第一节点和作为所述第三晶体管和所述第四晶体管之间的公共节点的第二节点,并且被配置为在电流被提供给 OLED。