Oblon, McClelland, Maier & Neustadt, L.L.P.
Carbazole derivative, material for organic electroluminescent element which comprises same, and organic electroluminescent element and electronic device each manufactured using same
A novel carbazole derivative represented by formula (1) in which two or more groups each having a specific structure, such as a carbazolyl group, are bonded to two or more of 2-, 3- and 4-positions of the carbazole derivative is useful as a material for organic electroluminescence devices. A material for organic electroluminescence devices including the carbazole derivative, an organic electroluminescence device employing the carbazole derivative, and an electronic equipment are described.wherein at least two selected from B1 to B3 are represented by formula (2) and A, X1 to X4, L, n, Y, and R1 to R8 are as defined in claim 1.
IDEMITSU KOSAN CO., LTD.
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Tomoharu Mitsuru Yumiko Masahiro Kazuki Hirokatsu Tasuku
Hayama Shibata Mizuki Kawamura Nishimura Ito Haketa