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Improvement of Brightness Uniformity by AC Driving Scheme for AMOLED Display
2004
IEEE Electron Device Letters
We propose an ac voltage driving scheme which can improve the brightness uniformity of active-matrix organic lightemitting diode (AMOLED) displays. Through the use of a charge feed-through mechanism and an ac driving voltage, the voltage drop caused by the parasitic resistance can be compensated. A 2.2 in AMOLED panel with a resolution of 176 RGB 220 has been fabricated by low temperature polycrystalline silicon technology to evaluate the performance of the ac driving scheme. Experimental
doi:10.1109/led.2004.837535
fatcat:kzbgrszw5vblrkpxtfuvdzz3n4