Light Emitting Element, Amine Compound For The Light Emitting Element, And Electronic Device Including The Light Emitting Element

An amine compound represented by Formula 1:

• wherein in Formula 1,
• L1 is a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 ring-forming carbon atoms excluding a substituted or unsubstituted naphthyl group, or a substituted or unsubstituted heteroarylene group having 5 to 30 ring-forming carbon atoms,
• Ar is a substituted or unsubstituted phenyl group without including an aryl group or a heteroaryl group having 16 or more ring-forming carbon atoms as a substituent, or a substituted or unsubstituted naphthyl group,
• a is an integer of 0 to 4,
• R1 is a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, or a substituted or unsubstituted phenyl group, and
• HAr is represented by Formula 2, and Nap is represented by Formula 3 or Formula 4:
• wherein in Formula 2,
• X is O or S,
• any one of R11 to R14 is a position linked to Formula 1, and the other positions of R11 to R14 excluding the linked position, and R15 to R18 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, or a substituted or unsubstituted phenyl group,
• when X is O and when linked to Formula 1 at the R11 position, the R11 position is para to a nitrogen atom of Formula 1,
• when linked to Formula 1 at the R12 position, a case in which R15 is a substituted or unsubstituted phenyl group is excluded,
• when linked to Formula 1 at the R14 position, Ar of Formula 1 either includes a total of one aryl or heteroaryl group as a substituent or does not include any,
• when linked to Formula 1 at the R14 position and when L1 is a direct linkage, a case in which R1 is a phenyl group is excluded,
• wherein in Formula 3, any one of R21 to R26 is a substituted or unsubstituted phenyl group, and the others are each independently a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a halogen atom, a hydrogen atom, or a deuterium atom,
• when linked to Formula 1 at the R14 position of Formula 2 and when L1 is a direct linkage, cases in which R21 or R24 is a substituted or unsubstituted phenyl group are excluded,
• wherein in Formula 4, any one of R31 to R34 is a substituted or unsubstituted phenyl group, and the others are each independently a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a halogen atom, a hydrogen atom, or a deuterium atom, and
• when linked to Formula 1 at the R14 position of Formula 2, a case in which R34 is a substituted or unsubstituted phenyl group is excluded.

An electronic device comprising a display module including a plurality of light emitting elements,

• wherein at least one of the plurality of light emitting elements includes a first electrode, a second electrode disposed on the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer, the hole transport region including an amine compound represented by Formula 1:
• wherein in Formula 1,
• L1 is a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 ring-forming carbon atoms excluding a substituted or unsubstituted naphthyl group, or a substituted or unsubstituted heteroarylene group having 5 to 30 ring-forming carbon atoms,
• Ar is a substituted or unsubstituted phenyl group without including an aryl group or a heteroaryl group having 16 or more ring-forming carbon atoms as a substituent, or a substituted or unsubstituted naphthyl group,
• a is an integer of 0 to 4,
• R1 is a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, or a substituted or unsubstituted phenyl group, and
• HAr is represented by Formula 2, and Nap is represented by Formula 3 or Formula 4:
• wherein in Formula 2,
• X is O or S,
• any one of R11 to R14 is a position linked to Formula 1, and the other positions of R11 to R14 excluding the linked position, and R15 to R18 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, or a substituted or unsubstituted phenyl group,
• when X is O and when linked to Formula 1 at the R11 position, the R11 position is para to a nitrogen atom of Formula 1,
• when linked to Formula 1 at the R12 position, a case in which R15 is a substituted or unsubstituted phenyl group is excluded,
• when linked to Formula 1 at the R14 position, Ar of Formula 1 either includes a total of one aryl or heteroaryl group as a substituent or does not include any,
• when linked to Formula 1 at the R14 position and when L1 is a direct linkage, a case in which R1 is a phenyl group is excluded,
• wherein in Formula 3, any one of R21 to R26 is a substituted or unsubstituted phenyl group, and the others are each independently a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a halogen atom, a hydrogen atom, or a deuterium atom,
• when linked to Formula 1 at the R14 position of Formula 2 and when L1 is a direct linkage, cases in which R21 or R24 is a substituted or unsubstituted phenyl group are excluded,
• wherein in Formula 4, any one of R31 to R34 is a substituted or unsubstituted phenyl group, and the others are each independently a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a halogen atom, a hydrogen atom, or a deuterium atom, and
• when linked to Formula 1 at the R14 position of Formula 2, a case in which R34 is a substituted or unsubstituted phenyl group is excluded.