BENZOFLUORENE COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC APPARATUS

• Main Authors: NAGAO TOMOHIRO, ITO HIROKATSU
• Format: Patent
• Language: English; Japanese
• Published: 19.01.2015
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC CHEMISTRY; PAINTS; POLISHES; SEMICONDUCTOR DEVICES

PROBLEM TO BE SOLVED: To provide an organic electroluminescence element light-emitting with high efficiency, and a benzofluorene compound used for the same.SOLUTION: The benzofluorene compound is shown by a following formula (1), where at least one of sets of Rand R, Rand R, Rand R, Rand R, Rand R, and Rand Ris bonded to form a benzene ring, etc.; any two of Rto Rindependently represent a diaryl amino group, etc., respectively; the remainder of Rto Rrepresents a hydrogen atom, etc.; and Rand Rrepresent a phenyl group and a methyl group, etc.. 【課題】高効率で発光する有機エレクトロルミネッセンス素子、およびそれに用いることができるベンゾフルオレン化合物を提供する。【解決手段】下式（１）で示されるベンゾフルオレン化合物。［式中、Ｒ１とＲ２、Ｒ２とＲ３、Ｒ３とＲ４、Ｒ５とＲ６、Ｒ６とＲ７、Ｒ７とＲ８の組のうち、少なくとも一組は結合してベンゼン環等を形成し、Ｒ１〜Ｒ８のうちいずれか２つは、それぞれ独立に、ジアリールアミノ基等を表し、Ｒ１〜Ｒ８の残りは水素原子等を表し、Ｒ９、Ｒ１０はフェニル基、メチル基等を表す。］【選択図】なし