Organic electroluminescence pixel circuit

Details Organic electroluminescence pixel circuit Organic electroluminescence pixel circuit

2005-04-12

2008-03-04

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

07339562

ABSTRACT:
A potential on a control terminal of a driver transistor is controlled and a drive current corresponding to the potential is supplied to an organic electroluminescence element. A drive controlling transistor is inserted between the driver transistor and the organic electroluminescence element and the drive current is switched on and off by the drive controlling transistor. A short-circuiting transistor is provided which controls whether or not the driver transistor is to be diode-connected. A selection transistor controls whether or not a data signal from a data line is to be supplied to the control terminal of the driver transistor. A capacitor is placed between the selection transistor and the control terminal of the driver transistor and a connection between a terminal of the capacitor on the side of the selection transistor and a predetermined power supply is switched on and off by a potential controlling transistor.

REFERENCES:
patent: 6229506 (2001-05-01), Dawson et al.
patent: 7145455 (2006-12-01), Eskildsen et al.
patent: 2002-514320 (2002-05-01), None

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