| 摘要 |
There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): <?in-line-formulae description="In-line Formulae" end="lead"?>Ar<SUP>1</SUP>-Ch-Ar<SUB>2 </SUB> (1) <?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>Ch<SUP>1</SUP>-L-Ch<SUP>2 </SUP> (2) <?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>Ar<SUB>3</SUB>-(L<SUP>1</SUP>)<SUB>a</SUB>-Ch<SUP>3</SUP>-(L<SUP>2</SUP>)<SUB>b</SUB>-Ar<SUB>4 </SUB> (3) <?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>Ar<SUP>5</SUP>-Ch<SUP>4</SUP>-(Ar<SUP>7</SUP>)<SUB>n</SUB>-L<SUP>3</SUP>-(Ar<SUP>8</SUP>)<SUB>m</SUB>-Ch<SUP>5</SUP>-Ar<SUP>6 </SUP> (4) <?in-line-formulae description="In-line Formulae" end="tail"?> wherein Ch, Ch<SUP>1 </SUP>and Ch<SUP>2 </SUP>are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch<SUP>3</SUP>, Ch<SUP>4 </SUP>and Ch<SUP>5 </SUP>are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar<SUP>1</SUP>, Ar<SUP>2</SUP>, Ar<SUP>3</SUP>, Ar<SUP>4</SUP>, Ar<SUP>5 </SUP>and Ar<SUP>6 </SUP>are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar<SUP>7 </SUP>and Ar<SUP>8 </SUP>are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L<SUP>1</SUP>, L<SUP>2 </SUP>and L<SUP>3 </SUP>are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.
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