Samsung Display Co., Ltd.

Jang Yeol Baek

Mun-Ki Sim

Chanseok Oh

Junha Park

Sun Young Pak

Minjung Jung

Kyoung Sunwoo

Hyoyoung Lee

Taeil Kim

Hankyu Pak

Soo-byung Ko

Seokhwan Hwang

Han Kyu Pak

Jaejin Lyu

Changseok Oh

Yuuki Miyazaki

Keigo Hoshi

Young Kook Kim

Seran Kim

A light emitting device includes a first electrode, a second electrode disposed on the first electrode, and a light emitting layer disposed between the first electrode and the second electrode. The light emitting layer includes a novel polycyclic compound and thus, the light emitting device may exhibit high light emission efficiency properties and improved lifespan properties.

Light emitting device

A light emitting device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer may include a condensed cyclic compound represented by Formula 1 below, thereby exhibiting high luminous efficiency and improved service life characteristics.

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

A light emitting element of one or more embodiments includes a first electrode, a second electrode, and a polycyclic compound represented by Formula 1 below in an emission layer disposed between the first electrode and the second electrode, thereby showing high emission efficiency properties: The polycyclic compound is of a DABNA structure includes one heteroaryl group substituted at a para position to boron, and two bulky substituents substituted at meta positions to the boron.

Light emitting element

An organic electroluminescence device includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers disposed between the first electrode and the second electrode. At least one organic layer includes a fused polycyclic compound represented by Formula 1, thereby exhibiting improved luminous efficiency.

Organic electroluminescence device

A light emitting diode includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and containing a condensed polycyclic compound represented by Formula 1. The first electrode and the second electrode each independently contain at least one selected from Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF, Mo, Ti, W, In, Sn, and Zn, compounds selected thereof, and mixtures thereof. The light emitting diode may achieve improved luminous efficiency:

Light emitting diode and condensed polycyclic compound for the same

Provided is a light emitting device including a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer may include a condensed cyclic compound represented by Formula 1 below, thereby exhibiting high luminous efficiency and improved service life characteristics.

A light emitting device of an embodiment includes oppositely disposed first electrode and second electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency. In Formula 1, the substituents are the same as defined in the Detailed Description.

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.

A light emitting device according to an embodiment includes 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. The emission layer includes a fused polycyclic compound represented by Formula 1, which is defined in the specification.

Provided is a light emitting device including: 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 organic layer selected from among the plurality of organic layers includes a condensed polycyclic compound represented by Formula 1, and the first electrode and the second electrode each independently include at least one selected from among Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/AI, Mo, Ti, In, Sn, Zn, Yb, W, a compound of two or more thereof, a mixture of two or more thereof, and an oxide thereof.

A light emitting device includes a first electrode, a second electrode, and at least one emission layer between the first electrode and the second electrode and includes at least one polycyclic compound represented by Formula 1 below, thereby exhibiting long service life characteristics. In Formula 1, the substituents are the same as defined in the detailed description.

An organic electroluminescence device of an embodiment includes a first electrode and a second electrode which face each other, and a plurality of organic layers disposed between the first electrode and the second electrode. At least one organic layer selected from the plurality of organic layers includes a fused polycyclic compound represented by Formula 1, and thus the organic electroluminescence device can exhibit improved luminous efficiency.

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, and long-life device characteristics may be shown.

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Yongin-si, South Korea

Jang Yeol Baek