Lg Display Co., Ltd.

Korea University Research and Business Foundation

Jeong-Eun Baek

Mi-Sang Yoo

Bo-Min Seo

Kyung-Jin Yoon

Joong-Hwan Yang

Hyo-Jin Noh

Dae-Wi Yoon

Jun-Yun Kim

Suk-Young Bae

Chun-Ki Kim

Jeong-A Seo

Kyu-Soon Shin

Hyung-Jin Lee

Dong-Hyun Lee

Young-Sam Jin

Han-Young Woo

Hye-Beom Shin

Yu-Jin Bae

Jung-Hyun Yoon

Hyung-Won Cho

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 provides a compound of following formula and an organic light emitting device and an organic light emitting display device including the compound. The compound of the present disclosure serves as a host or a dopant in an emitting material layer.

Compound, and organic light emitting device and organic light emitting display device including the same

The present disclosure provides an organic emitting compound of the following Formula, and an organic light emitting diode, which includes a first electrode; a second electrode facing the first electrode; and a first emitting material layer positioned between the first electrode and the second electrode and including a first host and the organic emitting compound, and an organic light emitting display device including the organic light emitting diode.

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

Discussed is an organic compound having a benzofluorenocarbazole core and an aromatic or hetero aromatic groups bonded to a specific positions of the benzofluorenocarbazole core, and an organic light emitting diode and an organic light emitting device including the compound. The organic compound has a narrow Stokes Shift between an absorption spectrum peak and an emission spectrum peak, it has a broad spectral overlapping area between its absorption wavelength range and an emission wavelength range of another luminous material. Therefore, it can emit light having high color purity and exhibit excellent luminous efficiency.

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

An organic light emitting diode including a plurality delayed fluorescent materials with specific energy levels and an organic light emitting device including the diode is disclosed. When the plurality delayed fluorescent materials with specific energy levels are applied in an emitting material layer, it is possible to minimize the energy loss or exciton quenching during luminous process and to prevent the diode from reducing life span caused by the exciton quenching. When the emitting material layer includes other luminous material having a narrow FWHM, the organic light emitting diode can enhance its color purity.

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

An organic compound having a naphtho fluoranthene core and a hetero aromatic group bonded to a specific position of the naphtho fluoranthene core, an organic light-emitting diode and an organic light-emitting device including the compound are disclosed. Since the organic compound has a narrow Stokes Shift between an absorption wavelength and an emission wavelength, the organic compound has a broad overlapped area between its absorption peak and an emission peak of a delayed fluorescent material, and therefore it can emit blue light with high color purity. It is possible to manufacture an organic light-emitting diode (OLED) and an organic light-emitting device that enhance luminous efficiency and color purity using the organic compound.

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

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.

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

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Paju-si, South Korea

Jeong-Eun Baek