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Novel Voltage AMOLED Compensation Pixel Circuit
Author(s): 
Pages: 72-74,94
Year: Issue:  13
Journal: Video Engineering

Keyword:  OLEDactive matrixpixel compensation;
Abstract: 针对常用3T1C结构的AMOLED像素补偿电路容易受到阈值电压漂移影响的问题,介绍了一种新型电压型4T2C结构的AMOLED像素补偿电路,阐明了该电路的工作原理,并对OLED的驱动电流作了定性分析.结果显示该驱动电流值只与驱动电压及电源电压有关,从而有效地解决了因阈值电压变化而造成的显示器亮度不均匀的问题.该电路已通过Spectre仿真软件验证了其有效性.
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