Lg Display Co., Ltd.

Rohm and Haas Electronic Materials Korea Ltd.

Solus Advanced Materials Co., Ltd.

Material Science Co., Ltd.

Heejun Park

Seonkeun Yoo

Soyoung Jang

Sunghoon Kim

Jicheol Shin

Sangbeom Kim

Tae Wan Lee

Jeonghoe Heo

Seong-Min Park

Dong Hun Lee

Jeongdae Seo

Sunjae Kim

Hyun Kyung Kim

Kyoung-Jin Park

Seunghee Yoon

Inbum Song

Jaemin Moon

Jae Yi Sim

SunKap Kwon

Sang-Hoon Hong

JiHo Baek

Young Mo Kim

Kusun Choung

Hee Ryong Kang

Ga Won Lee

Seung Hyun Yoon

Gwangyong Kim

HyunChul Choi

Minchul Jun

Provided are an organic electric element, a display panel and a display device having high efficiency or long life by including layers having excellent hole transport ability and carrier resistance.

Organic electric element, display panel comprising the same and display device comprising the same

The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.

Organic light emitting device

Disclosed is a novel compound and an organic light-emitting device. The novel compound is represented by the following Chemical Formula 1, and when the novel compound is used as a material for a hole transport layer of an organic light emitting device, the novel compound allows the device to have lowered drive voltage, and improved efficiency and lifespan characteristics.

Compound and organic light emitting device including the same

A new luminescent material and an electroluminescent display device using the same are disclosed, in which the luminescent material includes a compound expressed by the following chemical formula 1 and may be used as a dopant of a light emitting layer of a green, yellow-green or red color:

Luminescent material and electroluminescent display device using the same

Disclosed is an organic electroluminescent device with lowered driving voltage, and enhanced efficiency and lifetime.

Organic compound and organic electroluminescent device comprising the same

The present disclosure provides a novel compound and an organic light-emitting device comprising the same. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.

The present invention provides a novel compound of an amine derivative including a spiro compound. The novel compound has excellent hole transport characteristics. Thus, when the novel compound is applied to a hole transport layer, an auxiliary hole transport layer and an electron blocking layer of an organic light-emitting device, the device realizes low driving voltage, high efficiency, high thermal stability and long life-span. Further, when the novel compound is applied as a blue light-emitting material, the device realizes a low driving voltage and high efficiency.

Compound and organic light-emission device

Disclosed is an organic electroluminescence device including an anode, a cathode, at least two light-emission sub-stacks and a charge generation layer. The charge generation layer is located between the light-emission sub-stacks, and the charge generation layer includes a stack of a n-type charge generation layer and a p-type charge generation layer. The n-type charge generation layer includes a Compound of Formula 1 and a Compound of Formula 2. The present organic electroluminescence device improves injection and transport properties of electrons to lower driving voltage of the device, improves efficiency and lifespan of the device, and has excellent thermal/electrical stability for long driving duration of the device.

Organic electroluminescence device

Growing community of inventors

Paju-si, South Korea

Heejun Park