Electroluminescent display device

Details Electroluminescent display device Electroluminescent display device

2005-11-01

2005-11-01

Wong, Don (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S169100, C315S167000, C315S224000, C315S291000, C345S076000, C257S013000

Reexamination Certificate

active

06960890

ABSTRACT:
The invention prevents an uneven display on an organic EL display panel by reducing characteristic variation of a driving transistor among pixels. A gate signal line for supplying a gate signal and a drain signal line for supplying a display signal are crossing each other. Four split driving TFTs of P-channel type are provided in a pixel, and drains of the driving TFTs are connected with anodes of split organic EL elements, respectively. A common gate of the driving TFTs is connected with a pixel selecting TFT.

REFERENCES:
patent: 6204610 (2001-03-01), Komiya
patent: 6670637 (2003-12-01), Yamazaki et al.
patent: 2003/0234392 (2003-12-01), Kung et al.
patent: 2004/0036683 (2004-02-01), Senda
patent: 2004/0196218 (2004-10-01), Senda et al.

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