Lg Display Co., Ltd.

Soulbrain Co., Ltd.

Ah-Rang Lee

Jun-Yun Kim

Tae-Ryang Hong

Suk-Young Bae

Hyong-Jong Choi

Jin Hee Kim

Jin-Hee Kim

The disclosure provides a delayed fluorescent compound of the Formula and an organic light emitting diode including a first electrode, a second electrode and an organic emitting layer between the first and second electrodes, where the delayed fluorescent compound is included in the organic emitting layer, and an organic light emitting display device including the organic emitting layer.

Delayed fluorescent compound, and organic light emitting diode and organic light emitting display device including the same

The present disclosure provides an organic light emitting diode comprising a first electrode; a second electrode facing the first electrode; and an emitting material layer. The emitting material layer includes a p-type host, a n-type host and a phosphorescent dopant and positioned between the first electrode and the second electrode, wherein a first energy level of a HOMO of the p-type host is equal to or lower than a second energy level of a HOMO of the n-type host, and a difference between an energy level of a singlet state of the n-type host and an energy level of a triplet state of the n-type host is greater than 0.3 eV and smaller than 0.5 eV.

Organic light emitting diode having n-type host with narrow band gap and organic light emitting display device including the same

Growing community of inventors

Paju-si, South Korea

Ah-Rang Lee