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US 10,651,399 B2Granted
Delayed fluorescence compound, and organic light emitting diode and display device using the same
AssigneeLG Display Co., Ltd.
InventorsJoong-Hwan Yang, Kyung-Jin Yoon, Hyo-Jin Noh, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
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Abstract
Embodiments relate to a delayed fluorescence compound of The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
Claims16
An organic light emitting diode, comprising:
- an organic emitting layer including a delayed fluorescence compound of Formula 1:
- wherein X1 comprises C3 heterocyclic group through C12 heterocyclic group, and wherein the C3 heterocyclic group through C12 heterocyclic group comprises at least two nitrogen atoms.
Dependencies are inferred from the claim text.