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    • 3. 发明授权
    • Image display
    • 图像显示
    • US07286105B2
    • 2007-10-23
    • US10339436
    • 2003-01-10
    • Hajime AkimotoKiyoshige Kinugawa
    • Hajime AkimotoKiyoshige Kinugawa
    • G09G3/32
    • G09G3/2011G09G3/2014G09G3/2022G09G3/2077G09G3/3233G09G3/3648G09G2300/0417G09G2300/0819G09G2300/0842G09G2300/0861G09G2310/0259G09G2310/027G09G2310/06G09G2320/0252G09G2320/043
    • The present invention provides an image display capable of performing high-precision multi-gradation display while avoiding problems of a subtle noise and increase in a drive frequency. Display signal data of one frame is constructed by a plurality of sub frames of, for example, four sub frames 1/4 to 4/4. The 1/4 frame is set as an address period of an analog signal, the 2/4 frame is set as an analog gradation display period, the 3/4 frame is set as an address period of a digital signal, and the 4/4 frame is set as a digital gradation light emission period. The image display is constructed in such a manner that, in the analog gradation display period, an OLED device in a pixel emits light of time according to an analog signal voltage stored in a storage capacitor in the pixel by an analog drive signal circuit and, in the digital gradation display period, a binary light emitting operation of light emission and non light emission is performed according to a digital signal voltage stored in the storage capacitor by a digital signal driving circuit.
    • 本发明提供能够进行高精度多灰度显示的图像显示器,同时避免微妙噪声和驱动频率增加的问题。 一帧的显示信号数据由多个子帧构成,例如四个子帧1/4至4/4。 将1/4帧设置为模拟信号的寻址周期,将2/4帧设置为模拟灰度显示周期,将3/4帧设置为数字信号的寻址周期,并将4 / 4帧被设置为数字灰度发光周期。 图像显示器被构造成使得在模拟灰度显示周期中,像素中的OLED器件通过模拟驱动信号电路根据存储在像素中的存储电容器中的模拟信号电压来发射时间光, 在数字灰度显示期间,通过数字信号驱动电路根据存储在存储电容器中的数字信号电压进行发光和非发光的二进制发光操作。