| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an organic electroluminescent element which has high luminous efficiency, a low driving voltage and a long life, and to provide an illuminating device and a display device using the same. <P>SOLUTION: In the organic electroluminescent element having a plurality of organic compound layers sandwiched between an anode and a cathode, at least one of the organic compound layers contains a compound represented by formula (1). In formula (1), X represents -O- or -S-. R<SB>1</SB>to R<SB>6</SB>each represent a hydrogen atom or a substituent, and at least one of R<SB>2</SB>and R<SB>5</SB>represents a substituent. Y<SB>1</SB>and Y<SB>2</SB>each represent a hydrogen atom, a substituent, or a group represented by formula (A), and at least one of Y<SB>1</SB>and Y<SB>2</SB>represents a group represented by formula (A). In formula (A), L represents an aromatic hydrocarbon ring or bivalent bond group derived from the aromatic hydrocarbon ring, (n) represents an integer of 1 to 3, and when (n) is equal to or larger than 2, a plurality of Ls may be the same or different; and * represents a combination position for formula (1). Ar represents a group represented by formula (B). In formula (B), R<SB>11</SB>to R<SB>19</SB>each represent a hydrogen atom or a substituent, and * represents a combination position for L in formula (A). <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
