Organic electroluminescence device and amine compound for organic electroluminescence device
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the plurality of organic layers includes an amine compound represented by Formula 1 a , thereby showing excellent emission efficiency and/or improved life characteristics:
1 . An organic electroluminescence device, comprising:
a first electrode;
a second electrode opposite the first electrode; and
a plurality of organic layers between the first electrode and the second electrode,
wherein at least one organic layer among the plurality of organic layers comprises an amine compound selected from among compounds represented in Compound Group A and Compound Group B:
2 . The organic electroluminescence device of claim 1 , wherein the plurality of organic layers comprises a hole transport region, an emission layer, and an electron transport region, and
the hole transport region comprises the amine compound selected from among compounds represented in Compound Group A and Compound Group B.
3 . The organic electroluminescence device of claim 1 ,
wherein the organic electroluminescence device further comprising a capping layer on the second electrode and having a refractive index of about 1.6 or more.
4 . An amine compound selected from among Compound Group A and Compound Group B: