Samsung Display Co., Ltd.

Lapto Co., Ltd.

Juwan Maeng

Munsoo Kim

Hyein Jeong

SeulOng Kim

Eu-gene Oh

Kap-jong Han

Dongchan Lee

Sung-Soo Bae

Tsuyoshi Naijo

Kyungsik Kim

Sungwook Kim

Jaeweon Hur

Hyewon Choi

Seung-Jin Chu

Yunjee Park

Sung-soo Bae

Namho Kim

Hyejeong Kim

Yongpil Park

Jeunghun Yoon

Eu Gene Oh

Hwanhee Cho

Kap Jong Han

Eu-Gene Oh

Kap-Jong Han

Gyuri Kim

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

An organic electroluminescence device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer. The organic layer includes an organometallic compound represented by Formula 1 below. where Rto R, Xto X, Arto Ar, M, Q, m1 to m4, and n are as defined in the specification.

Organic electroluminescence device and organometallic compound for organic electroluminescence device

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Seongnam-si, South Korea

Juwan Maeng