Organic electroluminescent material and device thereof

• Main Authors: KUANG ZHIYUAN, LI HONGBO, WANG ZHENG, SANG MING, WANG ZHEN, CAI WEI, XIA CHUANJUN
• Format: Patent
• Language: Chinese; English
• Published: 24.02.2023
• 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

Organic electroluminescent materials and devices thereof are disclosed. The organic electroluminescent material is a metal complex containing a La ligand with a structure shown in a formula 1, the novel compounds are applied to electroluminescent devices, very excellent device performance such as reduction of device voltage and improvement of current efficiency, power efficiency and external quantum efficiency can be obtained, the performance of the devices in all aspects can be comprehensively improved, and the application prospect is wide. And finally, the comprehensive performance of the device is greatly improved. Also disclosed are an organic electroluminescent device comprising the metal complex and a composition comprising the metal complex. 公开了有机电致发光材料及其器件。该有机电致发光材料是一种包含式1结构的La配体的金属配合物，这些新型化合物应用于电致发光器件中能够获得十分优异的器件性能，例如器件电压的降低，电流效率、功率效率和外量子效率的提升，可以全面的提升器件各方面的性能，最终获得了的器件综合性能的极大提升。还公开了包含该金属配合物的有机电致发光器件和包含该金属配合物的组合物。