Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Masatsugu Ueno

Hiroaki Itoi

Ichinori Takada

Hideo Miyake

Xiulan Jin

Takuya Uno

Junta Fuchiwaki

Naoya Sakamoto

Yasuo Miyata

Koushin Matsuoka

Nobutaka Akashi

Akinori Yamatani

Hiromi Nakano

Asami Sakamoto

Hiromi Oyama

Naotoshi Suganuma

Ichiro Imada

Ikuo Sasaki

An organic electroluminescence device 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. The hole transport region includes a monoamine compound represented by the following Formula 1:

Organic electroluminescence device and monoamine compound for organic electroluminescence device

An organic electroluminescence device and a monoamine compound for an organic electroluminescence device are provided. The monoamine compound is represented by Formula 1. In Formula 1, FR is a phenanthryl group which is substituted with one phenyl group.

An organic electroluminescence device comprising an amine compound is represented by Formula 1 as a hole transport material. where Ar, Ar, Ar, and Lare as defined in the specification.

Organic electroluminescence device and amine compound for organic electroluminescence device

Provided are an amine compound and an organic electroluminescence device including the same. The amine compound according to an embodiment is represented by the following Formula 1, 

Amine compound and organic electroluminescence device including the same

An organic electroluminescent (EL) device having improved emission efficiency and emission lifetime. An embodiment of the organic EL device of the present disclosure includes a plurality of hole transport layers between an anode and an emission layer. The plurality of the hole transport layers may include an anode-side hole transport layer, a middle hole transport layer, and an emission layer-side hole transport layer. The emission layer-side hole transport layer may include an emission layer-side hole transport material represented by the following Formula 1: 

Organic electroluminescent device

A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 1. 

Material for organic electroluminescent device and organic electroluminescent device including the same

A polycyclic compound and an organic electroluminescence, the polycyclic compound being represented by the following Formula 1: 

Polycyclic compound and organic electroluminescence device including the same

Provided are an amine compound and an organic electroluminescence device including the same. The amine compound according to an embodiment of the inventive concept is represented by Formula 1 below. 

An amine derivative represented by the following General Formula (1) is provided.  In the above General Formula (1), Ar, Arand Arare independently a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, at least one of Ar, Arand Aris substituted with a substituted or unsubstituted silyl group, and L is a single bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group.

A material for an organic electroluminescent device having high emission efficiency and an organic electroluminescent device utilizing the same. The material is represented by Formula 1.  In Formula 1, Xto Xare each independently hydrogen, deuterium, a halogen atom, an alkyl group having 1 to 15 carbon atoms, or a substituted or unsubstituted aryl group; Arand Arare each independently a substituted or unsubstituted aryl group having 6 to 12 carbon atoms for forming a ring; L is a substituted or unsubstituted arylene group; n is an integer from 1 to 3; at least one L is a phenylene group represented by Formula 2.  In Formula 2, Yto Yare each independently a direct linkage, hydrogen, deuterium, halogen, an alkyl group having 1 to 15 carbon atoms, an alkenyl group having 2 to 15 carbon atoms, or a substituted or unsubstituted aryl group.

Material for organic electroluminescent device and organic electroluminescent device using the same

A material for an organic electroluminescent device and an organic electroluminescent device including the same, according to one or more embodiments of the present disclosure, include an amine derivative represented by Formula 1. When the amine derivative represented by Formula 1 is included in the emission layer, the emission efficiency of the organic electroluminescent device may be improved. 

Provided are a monoamine derivative represented by the following Formula 1, and an organic electroluminescent device including the same. When the monoamine derivative represented by Formula 1 is used as a hole transport or hole injection material in the device, the operating voltage may be lowered and the emission efficiency may be improved. 

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Yokohama, Japan

Masatsugu Ueno