Lg Display Co., Ltd.

Hyo-Jin Noh

Kyung-Jin Yoon

Dae-Wi Yoon

Jun-Yun Kim

In-Ae Shin

Joong-Hwan Yang

Bo-Min Seo

Jeong-Eun Baek

Kyung-Hoon Lee

Mi-Sang Yoo

Gee-Sung Chae

Sung-Hee Cho

Soon-Wook Cha

Kyung-Kook Jang

Moon-Bae Gee

Kyung-Seok Jeong

Joong-Pill Park

Kyung-Chan Kim

Su-Yeon Lee

Seog-Shin Kang

Jeong-Ae Lee

The present disclosure provides a space-through charge transfer compound of following formula and an organic light emitting diode and an organic light emitting display device including the space-through charge transfer compound.

Space-through charge transfer 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

The present invention 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

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.

Discussed is a space-through charge transfer compound including a naphthalene core; an electron donor moiety selected from carbazole and phenylcarbazole; and an electron acceptor moiety selected from pyridine, diazine, triazole, and phenyl benzodiazole, wherein the electron donor moiety and the electron acceptor moiety are combined to first and eighth positions of the naphthalene core with a benzene linker, respectively.

Space-through charge transfer compound, and organic light emitting diode and display device using the same

An organic compound is represented by the Formula below, and an organic light-emitting diode and an organic light-emitting diode display device include the organic compound. 

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

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.

Delayed fluorescence compound, and organic light emitting diode and display device using the same

An organic light emitting diode includes an emitting material layer including first and second layers; a first electrode on a side of the emitting material layer; and a second electrode on the other side of the light emitting material layer and facing the first electrode, wherein the first layer includes a first compound, and the second layer includes a second compound, wherein the first compound has a difference, between a singlet energy and a triplet energy, less than 0.3 eV, and wherein the singlet energy of the first compound is greater than a singlet energy of the second compound.

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

Embodiments relate to a delayed fluorescence compound of Formula 1: or Formula 2: 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.

Discussed is a space-through charge transfer compound including a paracyclophane core, an electron donor moiety selected from the group consisting of carbazole and diphenyl amine, and an electron acceptor moiety selected from the group consisting of pyrimidine, diphenyltriazine, and triazole. The electron donor moiety and the electron acceptor moiety are indirectly or directly combined to the paracyclophane core with or without a linker, respectively.

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Paju-si, South Korea

Hyo-Jin Noh