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A New Class of Blue-Emitting Materials Based on 1,3,5-Oxadiazole Metal Chelate Compounds for Electroluminescent Devices
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1999
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Optical MaterialsEngineeringElectroluminescent DevicesOptoelectronic DevicesBeryllium Chelate CompoundsChemistryLuminescence PropertyChemical EngineeringElectronic DevicesBlue-emitting MaterialsMaterials ScienceElectrical EngineeringPhotoluminescenceNanotechnologyOptoelectronic MaterialsNew Lighting TechnologyBeryllium-oxadiazole CompoundsOptoelectronicsSolid-state LightingElectronic MaterialsApplied PhysicsNew ClassFunctional Materials
A new class of beryllium-oxadiazole compounds (see Figure) for electroluminescent (EL) devices has been synthesized. These materials have high thermal stability, and EL devices with these beryllium chelate compounds as the light-emitting layers exhibit excellent current–voltage characteristics and provide highly saturated blue emission with high luminance.