Pixel current driver for organic light emitting diode displays
作者： Peyman Servati , Arokia Nathan , Kapil Sakariya
DOI:
关键词:
摘要: A pixel current driver comprises a plurality of thin film transistors (TFTs) each having dual gates and for driving OLED layers. top gate the is formed between source drain transistors, to thereby minimize parasitic capacitance. The grounded or electrically tied bottom gate. may be two in voltage-programmed manner five current-programmed ΔVT-compensated manner. Other versions circuit with different numbers are also presented that compensate δVT. layer continuous vertically stacked on provide an aperture ratio close 100%.
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