Provided are an organic electroluminescence device and a display device including the same. The organic electroluminescence device includes a polycyclic compound represented by Formula 1 in a hole blocking layer and at least one of a first light emitting layer and an electron transport layer, wherein each of Y
1
to Y
5
and Y
11
to Y
15
is independently CH or N, at least four of Y
1
to Y
5
are CH, at least four of Y
11
to Y
15
are CH, and R
1
, R
2
, and R
3
are as disclosed in the description.
提供了一种有机电致发光装置和包括该装置的显示装置。该有机电致发光装置包括式1所表示的
多环化合物在阻挡空穴层和至少一个第一发光层和电子传输层中,其中Y1到Y5和Y11到Y15中的每一个都是独立的CH或N,Y1到Y5中至少有四个是CH,Y11到Y15中至少有四个是CH,R1、R2和R3如说明中所述。