ORGANIC COMPOUND, AND ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME
FIG5 is a view illustrating an emission mechanism of a delayed fluorescent compound
Referring to FIG5, which is a view illustrating an emission mechanism of a delayed fluorescent compound, in the delayed fluorescent compound, the singlet exciton and the triplet exciton are engaged in the emission such that the quantum efficiency is improved.
view
9
compound
5
compound
['1. An organic compound of Formula 1: wherein X1 is selected from the group consisting of oxygen and sulfur, and each of X2 to X7 is independently selected from the group consisting of carbon and nitrogen, and wherein R1 is selected from the group consisting of hydrogen and cyano group, and each of R2 and R3 is independently selected from the group consisting of hydrogen and heteroaryl group.']