Lapto Co., Ltd.

Samsung Display Co., Ltd.

Lg Display Co., Ltd.

Munsoo Kim

Juwan Maeng

SeulOng Kim

Hyein Jeong

Dongchan Lee

Kap-jong Han

Eu-gene Oh

Tsuyoshi Naijo

Sungwook Kim

Kyungsik Kim

Jaeweon Hur

Sung-Soo Bae

Hyewon Choi

Seung-Jin Chu

Yunjee Park

Sung-soo Bae

KyouSic Kim

Dohan Kim

Eu Gene Oh

Kap Jong Han

ChulSoo Lim

Eu-Gene Oh

Kap-Jong Han

The present disclosure relates to an organic compound and an organic light emitting display device using the same wherein the organic compound is represented by Chemical Formula 1 and a display device using the organic compound. The organic compound represented by Chemical Formula 1 has excellent electron transport properties and durability and is used for an electron transport layer of an organic light emitting element, thereby lowering a driving voltage and improving the luminous efficiency and lifetime. (In the above Chemical Formula 1, at least two of X, Xand Xare N, Yand Yare each independently a substituted or unsubstituted phenylene group or a single bond, at least one of Arand Aris selected from a substituted or unsubstituted triazine group, a functional group represented by Chemical Formula 2 and a functional group represented by Chemical Formula 3.)

Organic compounds and organic light emitting display device using the same

An organic luminescence device includes a polycyclic compound represented by Formula 1 in at least one functional layer between a first electrode and a second electrode, wherein in Formula 1, X is O, S, Se, CRR, SiRR, or and at least one selected from Land Aris an electron withdrawing group having a Hammett constant greater than 0:

Luminescence device and polycyclic compound for luminescence device

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer includes a compound represented by Formula 1 below, and thus the organic electroluminescence device may exhibit high luminous efficiency characteristics and improved service life characteristics.

Organic electroluminescence device and compound for organic electroluminescence device

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1, thereby showing excellent emission efficiency properties and long-life characteristics:

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode opposite the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

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Seongnam-si, South Korea

Munsoo Kim