Samsung Display Co., Ltd.

Takao Sakuma

An organic electroluminescence device of an embodiment 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, wherein the hole transport region includes an amine compound represented by Formula 1, thereby showing long life:

Organic electroluminescence device and amine compound for organic electroluminescence device

An organic electroluminescence device includes oppositely disposed first electrode and second electrode, and at least one organic layer disposed between the first electrode and the second electrode, wherein at least one organic layer includes a polycyclic compound represented by Formula 1, thereby showing improved device efficiency and life characteristics.

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

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, in which the at least one functional layer includes a polycyclic compound represented by Formula 1, and the light emitting element thereby exhibits improved service life characteristics:

Light emitting element and polycyclic compound for the same

An organic electroluminescence device of one or more embodiments 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, wherein the hole transport region includes a monoamine compound represented by Formula 1, thereby showing high emission efficiency:

Organic electroluminescence device and monoamine compound for organic electroluminescence device

An organic electroluminescence device 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, wherein the hole transport region includes a diamine compound represented by Formula 1, thereby showing high emission efficiency:

Organic electroluminescence device and diamine compound for organic electroluminescence device

An organic electroluminescence device of one or more embodiments 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, wherein the hole transport region includes a monoamine compound represented by Formula 1, thereby showing high emission efficiency: 

An organic electroluminescence device of an embodiment includes a first electrode and a second electrode opposite of the first electrode, and at least one organic layer between the first electrode and the second electrode, wherein the at least one organic layer includes an amine compound represented by Formula 1 below. 

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Yokohama, Japan

Takao Sakuma