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A Full-Color Transparent Metal-Free Stacked Organic Light Emitting Device with Simplified Pixel Biasing
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1999
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EngineeringOrganic ElectronicsSimplified Pixel BiasingChemistryInsulating LayerChemical EngineeringDisplay TechnologyOptical PropertiesLight-emitting DiodesElectronic PackagingThermally Activated Delayed FluorescenceAdvanced Display TechnologyElectrical EngineeringOrganic SemiconductorNew Lighting TechnologyMicroelectronicsWhite OledSolid-state LightingApplied PhysicsMetal-free Stacked OledsPrevious SoledsOptoelectronics
The integration of organic light-emitting diodes (OLEDs) into full-color flat-panel displays is a current research objective. Metal-free stacked OLEDs (MF-SOLEDs) are the latest development: a red, a blue, and a green subpixel, each of which is transparent to the light emitted by itself and the other subpixels, are stacked on top of each other. A MF-SOLED is described in which an insulating layer is interposed between the middle and top highly transparent subpixels, allowing the three subpixels to be referenced to a common ground and eliminating the differential drive schemes required in previous SOLEDs.