OLED display with improved active matrix circuitry

Details OLED display with improved active matrix circuitry OLED display with improved active matrix circuitry

2007-03-13

2007-03-13

Philogene, Haissa (Department: 2828)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S169300, C345S083000, C345S092000, C313S500000, C257S072000

Reexamination Certificate

active

11069652

ABSTRACT:
An OLED display for producing a multicolor image includes a plurality of pixels including three different colored addressable gamut-pixels and a fourth addressable within-gamut-pixel, each pixel having a separately addressable organic light-emitting diode with first and second electrodes and one or more organic light emissive layers provided between the electrodes; active matrix circuitry including a separate power transistor for at least two of the three different colored addressable gamut-pixels for regulating current between a first and second voltage source through the organic light-emitting diode of the colored addressable gamut-pixel; and the active matrix circuitry including a power transistor for the fourth addressable within-gamut-pixel for regulating current between a third and fourth voltage source through the organic light-emitting diode of the fourth addressable within-gamut-pixel wherein at least three of the first, second, third, and fourth voltage sources provide different voltage levels.

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