Organic light-emitting device
AssigneeSamsung Display Co., Ltd.
InventorsNaoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
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Abstract
An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode and including an emission layer; an electron transport region disposed between the second electrode and the emission layer; a mixed layer disposed between the emission layer and the electron transport region and including a first material and a second material; wherein the first material and the second material are pyrrolidine-based compounds; and triplet energy EgT1 of at least one selected from the first material and the second material is 2.2 eV or greater.
Claims20
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;
- wherein the organic layer comprises:
- an emission layer;
- an electron transport region between the second electrode and the emission layer;
- a mixed layer between the emission layer and the electron transport region and comprising a first material and a second material,
- wherein the first material and the second material are pyrrolidine-based compounds, and
- a triplet energy EgT1 of at least one of the first material or the second material is 2.2 eV or greater.
Dependencies are inferred from the claim text.