CPC H10K 50/11 (2023.02) [H10K 50/12 (2023.02); H10K 50/155 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 50/18 (2023.02); H10K 85/322 (2023.02); H10K 2101/10 (2023.02)] | 20 Claims |
1. An organic light-emitting device comprising:
a first electrode;
a second electrode facing the first electrode; and
an organic layer between the first electrode and the second electrode and comprising an emission layer,
wherein the emission layer comprises a first host and a first dopant, and
the first host and the first dopant each satisfy Equations 1-1 and 1-2:
T1(H1)onset≥T1(D1)onset Equation 1-1
T1(H1)max≤T1(D1)max, Equation 1-2
wherein, in Equations 1-1 and 1-2,
T1(H1)onset is triplet energy at an onset wavelength (λonset) of the first host,
T1(D1)onset is triplet energy at an onset wavelength of the first dopant,
T1(H1)max is triplet energy at a maximum emission wavelength (λmax) of the first host, and
T1(D1)max is triplet energy at a maximum emission wavelength of the first dopant.
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