Samsung Display Co., Ltd.

Seoul National University

Illhun Cho

Minji Kim

Eunjae Jeong

Sanghyun Han

Dongjun Kim

Hankyu Pak

Byeongwook Yoo

Myeongsuk Kim

Sohee Jo

Jimyoung Ye

Sooyoung Park

Hyein Jeong

Sehun Kim

Bora Lee

Sunwoo Kang

Hyomin Ko

Chihyun Ryoo

Junghoon Yang

Soobyung Ko

Sunjae Kim

Ilsoo Oh

Seyoung Jung

Jaeho Jeong

SunJae Kim

A light-emitting element includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode and including an amine compound represented by Formula 1. The light-emitting element may exhibit high emission efficiency and improved service life characteristics:

Light emitting element and amine compound for the same

A light emitting diode of 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 hole transport region includes a first hole transport layer disposed adjacent to the first electrode and having a first refractive index, a second hole transport layer disposed adjacent to the emission layer and having a second refractive index, and a third hole transport layer disposed between the first hole transport layer and the second hole transport layer and having a third refractive index which is greater than each of the first refractive index and the second refractive index, thereby showing high light extraction efficiency and high emission efficiency properties.

Light emitting diode and display device including the same

Provided are an organic light-emitting device, an apparatus including the organic light-emitting device, and an organometallic compound represented by Formula 1. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein: the organic layer includes the organometallic compound represented by Formula 1.

Organic light-emitting device, apparatus including the same, and organometallic compound

Provided are an organic light-emitting device, an apparatus including the same, and an organometallic compound represented by Formula 1. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer. The organic layer includes an organometallic compound represented by Formula 1.

Provided are a near-infrared light-emitting diode including an osmium (Os)-containing organometallic compound and a device including the near-infrared light-emitting diode. The near-infrared light-emitting diode includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, where the organic layer includes a near-infrared light-emitting layer, the near-infrared light-emitting layer includes the osmium (Os)-containing organometallic compound.

Near-infrared light-emitting diode and device including near-infrared light-emitting diode

A heterocyclic compound and an organic light-emitting device including the heterocyclic compound, the heterocyclic compound being represented by Formula 1: 

Heterocyclic compound and organic light-emitting device including the same

A polycyclic compound and an organic light-emitting device including the same are provided. The polycyclic compound is represented by Formula 1: 

Polycyclic compound and organic light-emitting device including the same

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Yongin-si, South Korea

Illhun Cho