Journal
JOURNAL OF DISPLAY TECHNOLOGY
Volume 3, Issue 1, Pages 36-39Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JDT.2006.890711
Keywords
active-matrix organic light-emitting diode (AMOLED); hydrogenated amorphous silicon (a-Si : H); luminance degradation; pixel circuit; thin-film transistor (TFT)
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A new voltage-programmed pixel circuit using hydrogenated amorphous silicon (a-Si:H) thin-film transistors (TFTs) for active-matrix organic light-emitting diodes (AMOLEDs) is presented. In addition to compensating for the shift in threshold voltage of TFTs, the circuit is capable of compensating for OLED luminance degradation by employing the shift in OLED voltage as a feedback of OLED degradation.
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