Organic EL panel drive circuit and organic EL display device...

Details Organic EL panel drive circuit and organic EL display device... Organic EL panel drive circuit and organic EL display device...

2006-02-21

2006-02-21

Dinh, Trinh V (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S169200, C315S169100, C345S076000, C345S092000

Reexamination Certificate

active

07002303

ABSTRACT:
Dummy circuits, which are not operated, are provided in transistor blocks, which are positioned in outermost side portions of a drive circuit forming area of an IC. Physical property-related stress of unit transistors constituting D/A converter circuits or the D/A converter circuits and output stage current sources, which are formed in the transistor block in an area between the outermost transistor blocks, are relatively even, so that current mirror circuits constituting the D/A converter circuits can be constructed with unit transistors having good pairing characteristics.

REFERENCES:
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patent: 6756738 (2004-06-01), Maede et al.
patent: 2003/0151374 (2003-08-01), Maede et al.
patent: 2003/0151567 (2003-08-01), Hanada et al.
patent: 2005/0067969 (2005-03-01), Maede et al.
patent: 9-232074 (1997-09-01), None
patent: 2001-143867 (2001-05-01), None
patent: 2003-255898 (2003-09-01), None
patent: 2003-308043 (2003-10-01), None

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