Luminescent material, and organic electroluminescent element
AssigneeNippon Steel Chemical & Material Co., Ltd.
InventorsMunetomo INOUE, Satoshi UKIGAI, Moto SEINO, Yoichi MATSUZAKI, Maho ASHIDA JONO
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AssigneeNippon Steel Chemical & Material Co., Ltd.
InventorsMunetomo INOUE, Satoshi UKIGAI, Moto SEINO, Yoichi MATSUZAKI, Maho ASHIDA JONO
Estimating the term…
Provided are an emission material that can be used to obtain an organic EL device having high emission efficiency and a long lifetime, and an organic EL device including the emission material. Specifically, provided are an emission material represented by the following general formula (1) and an organic EL device including the emission material: wherein each A1 independently represents CR1, C or N and each R1 independently represents hydrogen or the like, provided that the number of N present in one 6-membered ring containing A1 is 2 or less; a ring E represents a heterocycle represented by formula (1a), and is fused with an adjacent ring at any position; and a, b, c, and d each independently represent 0 or 1, and there is no occurrence in which all a, b, c and d represent 0.
1-15. (canceled)
An emission material represented by any of the following general formulas (2) to (18), and (20) to (21):
Dependencies are inferred from the claim text.