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: 10.10.2023
• 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 metal complex is applied to an organic electroluminescent device, better device performance can be provided, for example, the device efficiency is improved, the service life of the device is prolonged, particularly, the service life of the device is greatly prolonged, and the comprehensive performance of the device can be remarkably improved. An organic electroluminescent device comprising the metal complex and a compound combination comprising the metal complex are also disclosed. 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具有式1结构的La配体的金属配合物，这些新型的金属配合物应用于有机电致发光器件中，能够提供更好的器件性能，例如器件效率和器件寿命的提升，尤其是器件寿命的大幅提升，可以显著提升器件综合性能。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化合物组合。