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    • 4. 发明申请
    • DISPLAY DEVICE AND DRIVING METHOD THEREOF
    • 显示装置及其驱动方法
    • US20140253612A1
    • 2014-09-11
    • US13961879
    • 2013-08-07
    • Samsung Display Co., Ltd.
    • Young-In HwangSeong-Il Park
    • G09G3/32
    • G09G3/3258G09G2300/0861G09G2310/06G09G2310/061G09G2320/045G09G2370/08
    • A display device includes: a plurality of pixels, each of the pixels including: a switching transistor; a relay transistor; a first capacitor; a driving transistor; and an organic light emitting diode (OLED). The OLED emits light according to a driving current from a first power source voltage, and a light emitting period for the OLED is one of a first light emitting period that is not temporally overlapped with a scan period in which data are written to the pixels or a second light emitting period that is temporally overlapped with the scan period. A duty of the light emitting period is controlled by controlling a time when a second power source voltage is applied as a low level voltage within the first light emitting period or controlling a time when the second power source voltage is applied as a low level voltage within the second light emitting period.
    • 显示装置包括:多个像素,每个像素包括:开关晶体管; 继电器晶体管; 第一电容器; 一个驱动晶体管; 和有机发光二极管(OLED)。 OLED根据来自第一电源电压的驱动电流发光,并且用于OLED的发光周期是第一发光周期之一,其不与时间上重叠数据被写入像素的扫描周期, 与扫描周期暂时重叠的第二发光周期。 通过控制在第一发光周期内施加作为低电平电压的第二电源电压的时间,或者控制第二电源电压作为低电平电压施加时的时间来控制发光周期的占空比 第二个发光周期。