Methods for driving an OLED panel

Details Methods for driving an OLED panel Methods for driving an OLED panel

2008-03-27

2011-10-25

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S076000, C345S077000, C345S078000, C345S079000, C345S080000, C345S081000, C345S008000, C345S083000, C315S169300

Reexamination Certificate

active

08044984

ABSTRACT:
A method for driving an organic light emitting display (OLED) panel having a plurality of organic light emitting diodes is provided. The organic light emitting diodes are coupled to a plurality of segment lines and a plurality of common lines in a matrix structure. The organic light emitting diodes coupled to the same common lines are divided into a plurality of groups according to colors of the OLED panel. Driving currents are provided to the organic light emitting diodes of the groups according to a plurality of pulse width modulation (PWM) manners. The PWM manners generate waveforms having pulse width corresponding to grayscale in a period, wherein each PWM manner corresponds to different colors of the OLED panel.

REFERENCES:
patent: 5943030 (1999-08-01), Minamibayashi
patent: 6771028 (2004-08-01), Winters
patent: 2006/0164345 (2006-07-01), Sarma et al.

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