OLED display with aging compensation

Details OLED display with aging compensation OLED display with aging compensation

2006-02-07

2006-02-07

Dinh, Trinh Vo (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S291000, C345S082000, C345S214000

Reexamination Certificate

active

06995519

ABSTRACT:
An organic light emitting diode (OLED) display includes an array of OLEDs, each OLED having two terminals; a voltage sensing circuit for each OLED including a transistor in each circuit connected to one of the terminals of a corresponding OLED for sensing the voltage across the OLED to produce feedback signals representing the voltage across the OLEDs; and a controller responsive to the feedback signals for calculating a correction signal for each OLED and applying the correction signal to data used to drive each OLED to compensate for the changes in the output of each OLED.

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