An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer includes a compound represented by the following formula (1) and one or more compounds selected from the group consisting of compounds represented by formulas (11), (21), (31), (41), (51), (61), (71) and (81). In the formula (1), at least one of R
1
to R
8
is a deuterium atom, and Ar
2
is a monovalent group represented by following formula (2), (3) or (4).
一种有机电致发光器件,包括阴极、阳极和位于阴极和阳极之间的发光层,其中发光层包括由以下式(1)表示的化合物和由式(11)、(21)、(31)、(41)、(51)、(61)、(71)和(81)表示的一种或多种化合物。在式(1)中,R1至R8中至少有一个是
氘原子,而Ar2是由以下式(2)、(3)或(4)表示的一价基团。