A method of adjusting the voltage applied across the pixels of an OLED display to compensate for aging including measuring the accumulation of trapped positive charge to produce a signal representative of such accumulation, and responding to such signal to adjust the voltages applied across the pixels of the OLED to compensate for aging.

 
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> Organic light-emitting diode (OLED) pre-charge circuit for use in a common anode large-screen display

> Organic light emitting diodes display
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