Organic compound, organic light-emitting display panel and application thereof

• Main Authors: NIU JINGHUA, HUA WANMING, LIN YAFEI, WANG JIANYUN
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2022
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; HETEROCYCLIC COMPOUNDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC CHEMISTRY; PAINTS; POLISHES; SEMICONDUCTOR DEVICES

The invention provides an organic compound, an organic light-emitting display panel and application thereof. The organic compound provided by the invention has a structure as shown in a formula I; in the organic compound provided by the invention, the separation of a charge donor and a charge acceptor of a molecule realizes a smaller Est, so that the molecule has a TADF property; the organic compound provided by the invention is a blue thermal activation delayed luminescent material and has a relatively strong rigid structure, molecules are not easy to twist and rotate, intersystem crossing and anti-intersystem crossing can be quickly generated in the molecules, and the transient fluorescence lifetime is shortened, so that the organic compound shows relatively high efficiency; the organic compound provided by the invention is used as a main body material of a light-emitting layer, so that the device has higher efficiency and longer service life. 本发明提供一种有机化合物、有机发光显示面板及其应用。本发明提供的有机化合物具有如式I所示的结构；本发明提供的有机化合物中，分子的