Rabin & Bardo, PC
Organic light emitting diode display and pixel circuit thereof
An OLED display and pixel circuit thereof are provided. The pixel circuit includes first and second switches, first and second PMOS transistors, a capacitor and an OLED. The first switch, controlled by a first scan signal, has a first end receiving a data signal and a second end. The second switch, controlled by a second scan signal, has a third end coupled to the second end and a fourth end. The first PMOS transistor has a source coupled to a high voltage, a drain coupled to the fourth end and a gate coupled to the second end. The second PMOS transistor has a gate coupled to the second end and a source coupled to the high voltage. The capacitor is coupled to the gate of the first PMOS transistor and the high voltage. The OLED has a positive end coupled to a drain of the second PMOS transistor.
Chi Mei El Himax Technologies Limited
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additional additional inventional additional
Chin-Tien Hong-Ru Yu-Wen
Chang Guo Chiou