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    • 7. 发明授权
    • Self-luminous display device and driving method of the same
    • 自发光显示装置及其驱动方法相同
    • US08508444B2
    • 2013-08-13
    • US13608506
    • 2012-09-10
    • Masatsugu TomidaMitsuru Asano
    • Masatsugu TomidaMitsuru Asano
    • G09G3/30
    • G09G3/3208G09G3/3233G09G3/3275G09G2300/0819
    • A self-luminous display device includes: pixel circuits; and a drive signal generating circuit, wherein each of the pixel circuits includes a light-emitting diode, a drive transistor connected to a drive current path of the light-emitting diode, and a holding capacitor coupled to a control node of the drive transistor, and the drive signal generating circuit generates the drive signal containing a second level signal adapted to stop the light emission without reverse-biasing the light-emitting diode, a first level signal, lower than the second level signal, adapted to reverse-bias the light-emitting diode, and a third level signal, higher than the second level signal, adapted to enable the light-emitting diode to emit light, the drive signal generating circuit supplying the drive signal to the pixel circuits.
    • 自发光显示装置包括:像素电路; 以及驱动信号发生电路,其中每个像素电路包括发光二极管,连接到发光二极管的驱动电流路径的驱动晶体管和耦合到驱动晶体管的控制节点的保持电容器, 并且驱动信号发生电路产生包含适于停止发光的第二电平信号的驱动信号,而不反光偏置发光二极管,低于第二电平信号的第一电平信号适于反向偏置光 以及高于第二电平信号的第三电平信号,适于使发光二极管发光,驱动信号发生电路将驱动信号提供给像素电路。
    • 9. 发明授权
    • Display device, driving method for display device, and electronic apparatus
    • 显示装置,显示装置的驱动方法和电子装置
    • US08345031B2
    • 2013-01-01
    • US12385339
    • 2009-04-06
    • Masatsugu TomidaMitsuru Asano
    • Masatsugu TomidaMitsuru Asano
    • G06F3/038
    • G09G3/3233G09G2300/0819G09G2300/0842G09G2300/0866G09G2320/0219G09G2320/043G09G2330/028H01L27/3244H01L51/5228H01L51/5234H01L2251/5315
    • A display device includes a pixel array unit including pixels arranged in a matrix, the pixels each including an electrooptical element, a writing transistor for writing an image signal, a storage capacitor for storing the image signal, and a driving transistor for driving the electrooptical element in accordance with the image signal, the pixels each having a threshold correction process function for, before light emission of the electrooptical element, changing a source potential of the driving transistor to a potential obtained by subtracting a threshold voltage of the driving transistor from an initial gate potential of the driving transistor; and a power supply unit configured to set, as a power supply potential of a power supply line for supplying a current to the driving transistor, different potential values for a threshold correction period for execution of the threshold correction process and a light-emission period for the electrooptical element.
    • 显示装置包括像素阵列单元,其包括排列成矩阵的像素,每个像素包括电光元件,用于写入图像信号的写入晶体管,用于存储图像信号的存储电容器,以及用于驱动电光元件的驱动晶体管 根据图像信号,每个具有阈值校正处理功能的像素在电光元件的发光之前将驱动晶体管的源极电位改变为通过从初始值减去驱动晶体管的阈值电压而获得的电位 驱动晶体管的栅极电位; 以及电源单元,被配置为将用于向驱动晶体管提供电流的电源线的电源电位设定为用于执行阈值校正处理的阈值校正周期的不同电位值,以及用于执行阈值校正处理的发光周期 电光元件。