Lg Innotek Co., Ltd.

Sung Won David Roh

Seung Hwan Kim

Jin Wook Lee

Hyun Don Song

Ki Man Kang

Yee Rang Hong

Eun Ju Hong

A light emitting device having an enhanced surface property and an electrical property is provided. The light emitting device includes a light emitting structure including a first semiconductor layer, an active layer, and a second semiconductor layer, a first electrode disposed on one side of the light emitting structure and electrically connected to the first semiconductor layer, a second electrode disposed on one side of the light emitting structure and electrically connected to the second semiconductor layer, and an ohmic contact including a first layer disposed between the second electrode and the second semiconductor layer and having aluminum (Al), a second layer including at least one MAlalloy formed by a reaction with Al included in the first layer, and a third layer disposed on the second layer and having gold (Au) is provided.

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Seoul, South Korea

Sung Won David Roh