Electron transport material and organic electroluminescent device using the same
AssigneeJnc Corporation
InventorsYouhei Ono, Hiroshi Yamada, Akiko Kageyama, Manabu Uchida
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Abstract
A compound represented by the following Formula (1) is useful as an electron transport material of an organic EL device, and an organic EL device comprising the compound in the electron transport layer is long in life, and low in drive voltage: wherein G is an n-valent link, n is an integer of 2 to 4; R1 to R4 are each independently hydrogen, a monovalent group, or a free valency bonded with G, and R5 to R8 are each independently hydrogen or a monovalent group, and one of R1 to R4 is a free valency bonded with G; and n groups of 2,3′-bipyridyl may be the same or different with each other.
Claims28
1-79. (canceled)
A compound represented by the following Formula (2-1):
- wherein G1 is a divalent group derived from one compound selected from the group consisting of compounds represented by the following Formulas (A-1) to (A-20) and Formulas (B-1) to (B-42):
- wherein each R is independently hydrogen, methyl, ethyl, hexyl, cyclohexyl, phenyl, 1-naphthyl, or 2-naphthyl;
- and the divalent group derived from one compound selected from the group consisting of compounds represented by Formulas (A-1) to (A-20) and Formulas (B-1) to (B-42) may have a substituent on a position other than an atom having a free valency.
Dependencies are inferred from the claim text.