Oblon, McClelland, Maier & Neustadt, L.L.P.
Compound, organic electroluminescent material, organic electroluminescent element, and electronic apparatus
A compound represented by formula (1): wherein Ar is a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted nitrogen-comprising heteroaryl group having 5 to 30 ring atoms; each of L1 and L2 is independently a single bond, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms, or a substituted or unsubstituted divalent linking group wherein 2 to 4 groups selected from an arylene group having 6 to 30 ring carbon atoms and a heteroarylene group having 5 to 30 ring atoms are bonded to each other via a single bond; A is a monovalent group represented by formula (2); and B is a monovalent group represented by formula (5):  wherein R1 to R10 and R21 to R30 are as defined in the description, enables the emission of light of a purer blue (shorter wavelength), a narrower half width (higher color purity), and a single peak with no second peak. 
IDEMITSU KOSAN CO., LTD.
C C C H H C C H C C C H H C
C09K C07C C09K H01L H01L C07C C07C H01L C09K C09K C07D H01L H01L C07D
additional inventional inventional additional additional additional additional inventional additional additional inventional additional inventional inventional
Masahiro Hirokatsu Ryota Yu Tasuku
Kawamura Ito Takahashi Kudo Haketa