Light emitting material, organic light emitting element and compound

• Main Authors: ADACHI CHIHAYA, UNAYAMA SHUN, LI JIE, SATO TADAHISA
• Format: Patent
• Language: Chinese; English
• Published: 16.11.2016
• Subjects: 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

An organic light emitting element which comprises a compound represented by general formula (AA) in a light emitting layer has high luminous efficiency. In the general formula, each of R1-R5 independently represents a hydrogen atom or a substituent having a Hammett substituent constant Sigmap of 0 or more; each of R6-R20 independently represents a hydrogen atom or a substituent, and at least one of the R6-R20 moieties is a substituted or unsubstituted N,N-diarylamino group; and m represents 1 or 2. 本发明的在发光层具有下述通式所表示的化合物的有机发光元件的发光效率高。R～R分别独立表示氢原子或哈米特的σ值为0以上的取代基。R～R分别独立表示氢原子或者取代基，R～R的至少个为经取代或者未经取代的N,N-二芳基氨基。m表示1或2。