Organic EL pixel circuit

Details Organic EL pixel circuit Organic EL pixel circuit

2005-08-02

2005-08-02

Lee, Wilson (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C345S076000

Reexamination Certificate

active

06924602

ABSTRACT:
A discharge transistor (TFT3) which connects the upper end of an organic EL element (EL) and a negative power source (VEE) and a control transistor (TFT4) which connects the upper end of a storage capacitor (SC) with a power source (PVDD) are provided. These transistors (TFT3,TFT4) are turned on by the upper gate line, so that the capacitor of the organic EL element (EL) is discharged prior to the selection of the line for these transistors.

REFERENCES:
patent: 6366025 (2002-04-01), Yamada
patent: 6441560 (2002-08-01), Hunter
patent: 6476419 (2002-11-01), Yasuda
patent: 6486606 (2002-11-01), Ting
patent: 6501448 (2002-12-01), Komiya et al.
patent: 6542138 (2003-04-01), Shannon et al.

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