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: 10.11.2023
• 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

Organic electroluminescent materials and devices thereof are disclosed. The organic electroluminescent material is a metal complex containing a La ligand of a formula 1A structure and an Lb ligand of a formula 1B structure, the novel metal complex is applied to an organic electroluminescent device, and can provide very excellent device performance, such as half-peak width, current efficiency, power efficiency, external quantum efficiency and prolonging of the service life of the device; more saturated green light emitting is facilitated, the performance of the device in all aspects is comprehensively improved, and finally the comprehensive performance of the device is greatly 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式1A结构的La配体和式1B结构的Lb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，能够提供十分优异的器件性能，例如半峰宽、电流效率、功率效率、外量子效率和器件寿命的提升，有利于获得更饱和的绿色发光，且全面的提升器件各方面的性能，最终极大的提升了器件综合性能。还公开了包含该金属配合物的有机电致发