Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Soo-byung Ko

Sungbum Kim

Mina Jeon

Jaesung Lee

Hyunjung Lee

Eunsoo Ahn

Junghoon Han

Haejin Kim

Sujin Shin

Hyoyoung Lee

Junha Park

Eunyoung Lee

Mun-Ki Sim

Youngkook Kim

Seokhwan Hwang

Jang Yeol Baek

Heechoon Ahn

Mieun Jun

Chanseok Oh

HeeChoon Ahn

Yeseul Lee

Yirang Im

Hyunah Um

Hyeongmin Kim

Han Kyu Pak

Jongwoo Kim

Seulong Kim

Jihwan Yoon

Jangyeol Baek

Hankyu Pak

Jaehoon Hwang

Myeongsuk Kim

Byeongwook Yoo

Jimyoung Ye

Young Kook Kim

An organic electroluminescence device having high luminous efficiency includes: a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1 to achieve high luminous efficiency.

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

An light emitting device of the present embodiments includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the plurality of organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency:

Light emitting device and fused polycyclic compound for light emitting device

The present disclosure relates to an organic electroluminescence device in which a polycyclic compound represented by Formula 1 below is included in at least one functional layer of a plurality of functional layers, and to the polycyclic compound represented by Formula 1 below:

An organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer may include an organometallic compound represented by Formula 1 to thereby exhibit a long service life and/or high efficiency:

Organic electroluminescence device and organometallic compound for organic electroluminescence device

An organic electroluminescence device includes an organometallic compound represented by Formula 1 in an emission layer to achieve high efficiency, low driving voltage, high luminance, and long life:

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer among the organic layers includes a fused polycyclic compound in which a dibenzoheterocyclic derivative and a monoheterocyclic derivative containing at least one nitrogen atom as a ring-forming atom are connected via a linker to form a ring, thereby showing improved emission efficiency and improved device reliability.

Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device

An organic electroluminescence device of an embodiment includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one from among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.

An organic electroluminescence device is provided and including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer may include an organometallic compound, thereby exhibiting high luminous efficiency and long service life characteristics.

An organic electroluminescence device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region. The emission layer includes a nitrogen-containing compound. The nitrogen-containing compound includes a triazine moiety and a carbazole moiety. In the carbazole moiety, at least one position among 2, 3 and 7 is substituted; each of positions 2 and 7 is substituted or unsubstituted with a substituted or unsubstituted phenyl group, or a substituted or unsubstituted carbazole group; and position 3 is substituted or unsubstituted with a substituted or unsubstituted phenyl group.

Organic electroluminescence device and nitrogen-containing compound for organic electroluminescence device

Provided is an organic electroluminescence device. The organic electroluminescence device according to an embodiment includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one of the plurality of organic layers includes an organometallic complex including a metal atom which is a central atom, a plurality of ligand connected to the metal atom, and a nitrogen atom connecting two of the plurality of ligands. The nitrogen atom includes an aromatic ring group as a substituent. The aromatic ring group is not bonded to any of the plurality of ligands to form a ring, thereby allowing the organic electroluminescent device to exhibit a low drive voltage and improved life time.

Organic electroluminescence device and organometallic complex for organic electroluminescence device

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes an organometallic compound represented by Formula 1, and may show high emission efficiency properties.

An aromatic compound which improves emission efficiency and an organic electroluminescence device including the same are provided. The organic electroluminescence device includes: a first electrode; a second electrode opposite to the first electrode; and a plurality of organic layers between the first electrode and the second electrode, where at least one organic layer among the plurality of organic layers includes the aromatic compound. The aromatic compound is represented by Formula 1 below.

Aromatic compound and organic electroluminescence device including the same

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 an organometallic compound represented by Formula 1, and the emission layer may show high emission efficiency properties.

An organic electroluminescence device includes a first electrode; an emission layer on the first electrode; and a second electrode on the emission layer, wherein the emission layer comprises an organometallic compound represented by Formula 1, and the organic electroluminescence device can achieve long life and deep blue light emission: 

An organic electroluminescence device may include a first electrode, a second electrode opposite to the first electrode, and organic layers disposed between the first electrode and the second electrode. At least one of organic layers may include an organometallic complex including a first metal complex having a metal atom as a center atom of the first metal complex, a second metal complex having the metal atom as a center atom of the second metal complex, and an aromatic ring group connecting the first metal complex to the second metal complex.

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Yongin-si, South Korea

Soo-byung Ko