Self-luminous display device and driving method of the same

Details Self-luminous display device and driving method of the same Self-luminous display device and driving method of the same

2011-01-11

2011-01-11

Osorio, Ricardo L (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S076000

Reexamination Certificate

active

07868859

ABSTRACT:
Disclosed herein is a self-luminous display device including: pixel circuits; and a drive circuit, wherein each of the pixel circuits includes a light-emitting diode, a drive transistor connected to a drive current path of the light-emitting diode, and a holding capacitor coupled to a control node of the drive transistor, during a period in which at least actual threshold voltage and mobility corrections are performed on the drive transistor before the light-emitting diode can emit light, the drive circuit performs a preliminary threshold voltage correction of the drive transistor, i.e., a dummy Vth correction, with the light-emitting diode in a non-light emitting state, the drive circuit next performs a correction preparation for a constant period by reverse-biasing the light-emitting diode and initializing the voltage held by the holding capacitor, and the drive circuit performs the actual threshold voltage correction and mobility correction after the correction preparation.

REFERENCES:
patent: 2005/0078065 (2005-04-01), Hayafuji et al.
patent: 2006/0055631 (2006-03-01), Yoshida
patent: 2006/0208979 (2006-09-01), Fish et al.
patent: 2007/0176862 (2007-08-01), Kurt et al.
patent: 2008/0030437 (2008-02-01), Iida et al.
patent: 2008/0158110 (2008-07-01), Iida et al.
patent: 2006-215213 (2006-08-01), None

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