Publication | Closed Access
High‐Efficiency White‐Light‐Emitting Devices from a Single Polymer by Mixing Singlet and Triplet Emission
287
Citations
26
References
2006
Year
Optical MaterialsEngineeringOptoelectronic DevicesChemistryLuminescence PropertyElectronic DevicesPhosphorescence ImagingOptical PropertiesSingle PolymerIridium ComplexLight-emitting DiodesThermally Activated Delayed FluorescenceMaterials SciencePhotonicsPhotochemistryPure White-light EmissionOptoelectronic MaterialsPhotonic MaterialsNew Lighting TechnologyTriplet EmissionWhite OledSolid-state LightingApplied PhysicsHigh‐efficiency White‐light‐emitting DevicesOptoelectronicsPhosphorescence
Efficient and almost pure white-light emission is obtained by combining singlet and triplet emission in a single-polymer device. The polymers used in this work include a benzothiadiazole group attached to a fluorene backbone and an iridium complex attached to the side chain (see figure). White-light emission with CIE color coordinates of (0.32, 0.44) and a luminance efficiency of 6.1 cd A–1 is obtained.
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