COMPOUND CONTAINING 1,3-DIKETONE LIGAND AND APPLICATION THEREOF, AND ORGANIC ELECTROLUMINESCENT DEVICE

The present invention relates to the field of organic electroluminescent devices. Disclosed are a compound containing a 1,3-diketone ligand and an application thereof, and an organic electroluminescent device. The compound has the structure as represented by formula Ir(LA)(LB)2; LA has the structure...

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Bibliographic Details
Main Authors LYU, Yao, FENG, Meijuan, FAN, Hongtao
Format Patent
LanguageEnglish
Published 30.11.2023
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
ADHESIVES
CHEMISTRY
DYES
ELECTRICITY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC CHEMISTRY
PAINTS
POLISHES
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Summary:The present invention relates to the field of organic electroluminescent devices. Disclosed are a compound containing a 1,3-diketone ligand and an application thereof, and an organic electroluminescent device. The compound has the structure as represented by formula Ir(LA)(LB)2; LA has the structure as represented by formula (IA); LB has the structure as represented by formula (IB), the structure as represented by LB310, the structure as represented by LB311, the structure as represented by LB312, the structure as represented by LB313, or the structure as represented by LB314. The compound containing a 1,3-diketone ligand provided by the present invention has the advantages of low synthesis difficulty and easy to purify, has excellent illumination performance as an organic electrophosphorescent material, and can prolong the service life of the device, increase the solubility of the phosphorescent material, and decrease the probability of triplet-triplet annihilation.
Bibliography:Application Number: US202118250186