Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Hiroaki Itoi

Hideo Miyake

Ichinori Takada

Masatsugu Ueno

Xiulan Jin

Naoya Sakamoto

Nobutaka Akashi

Takuya Uno

Junta Fuchiwaki

Shuri Sato

Akinori Yamatani

Toshiyuki Matsuura

Yoshimasa Fujita

Hiromi Nakano

Ichiro Imada

Koushin Matsuoka

Asami Sakamoto

Naotoshi Suganuma

Ikuo Sasaki

Hisayuki Kawamura

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 light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:

Organic light emitting 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 a monoamine compound and an organic electroluminescence device including the same. The monoamine compound according to an example embodiment is represented by the following Formula 1 

Monoamine 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 is represented by the following Formula 1, 

Amine compound and organic electroluminescence device including the same

A heterocyclic compound represented by Formula 1 and an organic electroluminescence device including the same in an emission layer.  In Formula 1, Z is represented by Formula 2-1 or 2-2.  In Formula 2-2, Xto Xare each independently CRor N, and at least one of Xto Xis N.

Heterocyclic compound and organic electroluminescence device including the same

An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4: 

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

An organic electroluminescence device and an amine compound for an organic electroluminescence device are provided. The amine compound according to an embodiment of the present disclosure is represented by Formula 1. In Formula 1, Ar is a substituted or unsubstituted aryl group having 10 to 60 carbon atoms for forming a ring: 

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. 

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Yokohama, Japan

Hiroaki Itoi