Amine compound and organic electroluminescence device including the same

An organic electroluminescence device, comprising:

• a first electrode;
• a hole transport region disposed on the first electrode;
• an emission layer disposed on the hole transport region;
• an electron transport region disposed on the emission layer;
• and
• a second electrode disposed on the electron transport region,
• wherein the hole transport region comprises an amine compound represented by the following Formula 1:
• in Formula 1,
• X is O or S,
• Y is C or Si,
• Ar1 and Ar2 are each independently a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 50 carbon atoms for forming a ring, which includes O or S as a heteroatom,
• L1 and L2 are each independently a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
• R1 is a substituted or unsubstituted aryl group having 6 to 50 carbon atoms for forming a ring,
• R2 to R5 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 10 carbon atoms, a substituted or unsubstituted arylthio group having 1 to 10 carbon atoms, a substituted or unsubstituted alkylamino group having 1 to 10 carbon atoms, a substituted or unsubstituted arylamino group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 50 carbon atoms for forming a ring, or combined with an adjacent group to form a ring,
• “a” is an integer of 1 to 4,
• “b” is an integer of 0 to 3,
• “c” is 0 or 1, and
• “d” and “e” are each independently an integer of 0 to 5.