Light-emitting diode, electronic device including the same, and heteroaromatic compounds for light-emitting diode

An electronic device comprising:

• a light-emitting diode comprising a first electrode, a second electrode on the first electrode, and a light-emission layer between the first electrode and the second electrode,
• wherein the light-emission layer comprises a compound represented by Formula 1
• wherein in Formula 1
• the R1 through R7 are each independently hydrogen, deuterium, a halogen, a cyano group, a nitro group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted alkyl group of 1 to 60 carbons, a substituted or unsubstituted alkenyl group of 2 to 60 carbons, a substituted or unsubstituted alkynyl group of 2 to 60 carbons, a substituted or unsubstituted alkoxy group of 1 to 60 carbons, a substituted or unsubstituted cycloalkyl group of 3 to 20 carbons, a substituted or unsubstituted heterocycloalkyl group of 3 to 20 carbons, a substituted or unsubstituted cycloalkenyl group of 3 to 20 carbons, a substituted or unsubstituted heterocycloalkenyl group of 3 to 20 carbons, a substituted or unsubstituted aryl group of 6 to 60 carbons, a substituted or unsubstituted arylene group of 6 to 60 carbons, a substituted or unsubstituted aryloxy group of 6 to 60 carbons, a substituted or unsubstituted arylthio group of 6 to 60 carbons, a substituted or unsubstituted heteroaryl group of 5 to 60 carbons, or a substituted or unsubstituted monovalent non-aromatic condensed polycycle;
• and
• the n is selected from an integer greater than or equal to 0 and smaller than or equal to 2.

A heteroaromatic compound for a light-emitting diode represented by Formula 1:

• wherein in Formula 1
• the R1 through R7 are each independently hydrogen, deuterium, a halogen, a cyano group, a nitro group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted alkyl group of 1 to 60 carbons, a substituted or unsubstituted alkenyl group of 2 to 60 carbons, a substituted or unsubstituted alkynyl group of 2 to 60 carbons, a substituted or unsubstituted alkoxy group of 1 to 60 carbons, a substituted or unsubstituted cycloalkyl group of 3 to 20 carbons, a substituted or unsubstituted heterocycloalkyl group of 3 to 20 carbons, a substituted or unsubstituted cycloalkenyl group of 3 to 20 carbons, a substituted or unsubstituted heterocycloalkenyl group of 3 to 20 carbons, a substituted or unsubstituted aryl group of 6 to 60 carbons, a substituted or unsubstituted arylene group of 6 to 60 carbons, a substituted or unsubstituted aryloxy group of 6 to 60 carbons, a substituted or unsubstituted arylthio group of 6 to 60 carbons, a substituted or unsubstituted heteroaryl group of 5 to 60 carbons, or a substituted or unsubstituted monovalent non-aromatic condensed polycycle;
• and
• the n is selected from an integer greater than or equal to 0 and smaller than or equal to 2.