Lg Display Co., Ltd.

Korea University Research and Business Foundation

Dae-Wi Yoon

Jun-Yun Kim

Kyung-Jin Yoon

Hyo-Jin Noh

In-Ae Shin

Joong-Hwan Yang

Bo-Min Seo

Su-Na Choi

Dong-Hoon Choi

Mi-Sang Yoo

Suk-Young Bae

Chun-Ki Kim

Min-Ju Cho

Jiwon Yoon

Jeong-Eun Baek

Ji-Ae Lee

Mallesham Godumala

Gee-Sung Chae

Kyung-Hoon Lee

Soon-Wook Cha

Shin-Han Kim

Seon-Keun Yoo

Ji-Cheol Shin

Seong-Su Jeon

Su-Yeon Lee

Seog-Shin Kang

Hyung-Jong Kim

Min-Gi Hong

Han-Young Woo

Hye-Beom Shin

The present disclosure relates to an organic compound, and an organic light emitting diode and an organic light emitting device including the same, more specifically, relates to an organic compound being represented by following Formula, an organic light emitting diode including the organic compound and an organic light emitting device including the organic light emitting diode. The organic compound is included in an electron transporting layer and/or a p-type charge generation layer of the organic light emitting diode.

Organic compound, and organic light emitting diode and organic light emitting device including the same

The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. Applying the organic compound into an emissive layer makes the OLED and the organic light emitting device lower their driving voltage, improves their luminous efficiency and color purity.

Organic compound, organic light emitting diode and organic light emitting device having the organic compound

The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound can be a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an emitting material layer (EML).

Organic compound, organic light emitting diode and organic light emitting device including the organic compound

The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes an electron donor moiety separated from an electron acceptor moiety, thus has delayed fluorescent properties. Applying the organic compound into an emissive layer makes the OLED and the organic light emitting device can allows the OLED and the organic light emitting device to improve their luminous efficiency.

Organic compound, organic light emitting diode and organic light emitting device including the compound

An organic light emitting diode comprises an emitting material layer implementing a delayed fluorescence and another emitting material layer disposed adjacently to the emitting material layer and implementing fluorescence or phosphorescence and an organic light emitting device including the diode. As exciton generated in the plural emitting material layer drops to a ground state through the luminous materials each of which has a controlled energy level, it is possible to implement excellent luminous efficiency derived from a delayed fluorescent material and improved color purity derived from a fluorescent or phosphorescent material having narrow FWHM.

Organic light emitting diode and organic light emitting device having the same

The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound is a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an EML.

Organic compound, organic light emitting diode and organic light emitting deice including the organic compound

The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound is a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an emitting material layer (EML).

The present disclosure provides an organic compound of following formula and an organic light emitting diode and an OLED device including the organic compound.

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

The present disclosure relates to an organic light emitting diode including an emitting material layer that has a host and two different delayed fluorescent materials whose energy levels are controlled and an organic light emitting device including the diode. Exciton energy is transferred from a first delayed fluorescent dopant to a second delayed fluorescent dopant, which has singlet and triplet energy levels lower than singlet and triplet energy levels of the first delayed fluorescent dopant and a narrow FWHM (full-width at half maximum) compared to the first delayed fluorescent dopant so that efficient light emission can be realized.

Discussed is an organic compound of Formula 1 and an organic light emitting diode and an OLED device including the organic compound. In the organic compound, Ar1 is a heteroaryl group comprising a nitrogen atom, and Ar2 is a Cto Caryl group, and R is a Cto Calkyl group. The organic compound may be included in an emitting material layer of the organic light emitting diode as a host such that an emitting efficiency and a lifespan of the organic light emitting diode and the OLED device are improved. 

An organic light emitting diode including at least one emitting material layer, which includes a host and a dopant and at least one exciton energy control layer disposed adjacently to the at least one emitting material layer and an organic light emitting device having the same is disclosed. The at least one exciton energy control layer includes an organic compound that has excited state singlet and triplet energy levels lower than excited state singlet and triplet energy levels of the host. The organic light emitting diode can enhance its luminous efficiency and its luminous lifetime by incorporating one or more exciton energy control layers.

An organic compound, an organic light emitting diode including the compound, and an organic light emitting device including the organic light emitting diode are disclosed. The organic compound may include a fused hetero aromatic moiety having a p-type property and an aza-acridine moiety having an n-type property bonded to the fused hetero aromatic moiety via an aromatic or a hetero aromatic linker. The organic compound has relatively high energy level since it includes plural fused hetero aromatic rings. Holes and electrons can be recombined in an emitting material layer in a balanced manner since the organic compound has a bipolar property. The organic light emitting diode and the organic light emitting device including the organic compound have enhanced luminous efficiency and luminous lifetime.

Organic compound having improved luminescent properties, organic light emitting diode and organic light emitting device having the compound

Embodiments relate to an organic compound of Formula 1: The excitons in the triplet state are engaged in emission such that the emitting efficiency of the organic compound is increased. Embodiments also relate to an organic light emitting display device with an organic light emitting diode that includes the organic compound.

Growing community of inventors

Paju-si, South Korea

Dae-Wi Yoon