Driving method of display device

Details Driving method of display device Driving method of display device

2007-05-29

2007-05-29

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C345S690000, C345S076000

Reexamination Certificate

active

11357085

ABSTRACT:
The present invention provides a driving method for a display device which includes a display part having pixels of M columns×N rows and a memory, wherein each pixel includes a light emitting element and a driving transistor for driving the light emitting element. At times other than a usual light emitting time, a driving voltage is applied to the driving transistor of each pixel so as to turn on the light emitting element of each pixel, a value of current which flows in the light emitting element of each pixel is detected, correction data for each pixel is calculated based on the detected value of current, and the calculated correction data for each pixel is stored in the memory. At the usual light emitting time, a driving voltage which is based on data which is obtained by adding the correction data stored in the memory to video signal data is applied to the driving transistor of each pixel.

REFERENCES:
patent: 6518962 (2003-02-01), Kimura et al.
patent: 6806497 (2004-10-01), Jo
patent: 2003/0122813 (2003-07-01), Ishizuki et al.
patent: 2003/0214467 (2003-11-01), Koyama et al.
patent: 2004/0130545 (2004-07-01), Ishizuka

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