Publication | Closed Access
Highly Efficient Organic Blue‐and White‐Light‐Emitting Devices Having a Carrier‐ and Exciton‐Confining Structure for Reduced Efficiency Roll‐Off
791
Citations
32
References
2008
Year
Optical MaterialsEngineeringOrganic ElectronicsHighly Efficient BlueOptoelectronic DevicesWhite OledsChemical EngineeringElectronic DevicesExciton‐confining StructurePhotodetectorsExciton-confining StructureLight-emitting DiodesPhotonicsElectrical EngineeringPhotoluminescencePhysicsOptoelectronic MaterialsNew Lighting TechnologyWhite OledSolid-state LightingReduced Efficiency Roll‐offApplied PhysicsOptoelectronicsOptical Devices
Highly efficient blue and white OLEDs with reduced efficiency roll-off based on a carrier- and exciton-confining structure are developed. Record power efficiencies of 46 and 44 lm W−1 and an external quantum efficiency of 25% at the illumination-relevant luminance of 1000 cd m−2 are achieved for the blue and white OLEDs, respectively, without the use of any outcoupling techniques.
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