To provide a material useful as a light emitting material of an organic light emitting device. A light emitting material comprising a compound represented by the general formula (1) wherein X represents O, S, N—R
11
, C═O, C(R
12
)(R
13
), or Si(R
14
)(R
15
); Y represents O, S, or N—R
16
; Ar
1
represents a substituted or unsubstituted arylene group, and Ar
2
represents an aromatic ring or a heteroaromatic ring; and R
1
to R
8
and R
11
to R
16
each independently represent a hydrogen atom or a substituent.
为提供一种用作有机发光器件的
发光材料的材料。该
发光材料包括由通式(1)所表示的化合物,其中X代表O、S、N—R11、C═O、C(R12)(R13)或Si(R14)(R15);Y代表O、S或N—R16;Ar1代表取代或未取代的
芳烃基团,Ar2代表芳香环或杂芳环;R1到R8和R11到R16各自独立地表示氢原子或取代基。