POLYCYCLIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME

• Main Authors: YASUDA TAKAMARO, NAKANO HIROMI, LEE JIYOUNG, AKASHI NOBUTAKA, SATO JURI, FUJITA YOSHIMASA
• Format: Patent
• Language: English; Japanese
• Published: 14.12.2017
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; ADHESIVES; CHEMISTRY; DYES; ELECTRICITY; HETEROCYCLIC COMPOUNDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC CHEMISTRY; PAINTS; POLISHES

PROBLEM TO BE SOLVED: To provide a polycyclic compound having improved luminous efficiency, and an organic electroluminescence device including the same.SOLUTION: The present invention provides polycyclic compounds represented by formulae (74), (312) and (313). The polycyclic compounds are a π polycyclic compound of a weak acceptor unit with a decreased π conjugation system, are useful as a thermally activated delayed fluorescence material that can realize blue light emission, and can be used for an organic electroluminescent device.SELECTED DRAWING: None 【課題】発光効率が向上された多環化合物及び該多環化合物を含む有機電界発光素子を提供する。【解決手段】式（７４）、（３１２）及び（３１３）に代表される多環化合物。該多環化合物は、π共役系を小さくした弱い受容体ユニットのπ多環式化合物で、青色発光を実現する熱活性遅延蛍光材料として有用であり、有機電界発光素子に利用できる。【選択図】なし