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热词
    • 65. 发明授权
    • Display device and method of driving the same
    • 显示装置及其驱动方法
    • US07167147B2
    • 2007-01-23
    • US09757491
    • 2001-01-11
    • Haruo TanakaTakashi Nakamura
    • Haruo TanakaTakashi Nakamura
    • G09G3/32
    • G09G3/3258G09G2300/0842G09G2300/0857G09G2310/04G09G2330/021G09G2330/022H01L27/32
    • For example, a display element (1) formed by an organic EL element and a control element formed by a MOS transistor (2) are connected in series between a driving line (6) to be driven with a voltage or a current and a ground. A gate of the MOS transistor (2) is connected to a control line (7) through a nonvolatile data holding section such as a ferroelectric capacitor (3), and control data of the MOS transistor (2) can be held in a floating state. As a result, the ON/OFF data of each pixel are held in the floating state, and display data are rewritten to only a pixel to be changed in a display state of ON/OFF or the like and held data are displayed on a pixel which is not changed in the display data. Consequently, it is possible to obtain a nonvolatile display device capable of reducing power consumption and operating with a small battery.
    • 例如,由有机EL元件形成的显示元件(1)和由MOS晶体管(2)形成的控制元件串联连接在被驱动的驱动线(6)与电压或电流之间 。 MOS晶体管(2)的栅极通过诸如铁电电容器(3)的非易失性数据保持部分连接到控制线(7),并且MOS晶体管(2)的控制数据可以保持在浮置状态 。 结果,每个像素的ON / OFF数据保持在浮置状态,并且在ON / OFF等的显示状态下仅将显示数据重写为要改变的像素,并且将保持的数据显示在像素上 在显示数据中没有改变。 因此,可以获得能够降低功耗并且用小电池操作的非易失性显示装置。