Lg Innotek Co., Ltd.

Yee Rang Hong

Seung Hwan Kim

Jin Wook Lee

Hyun Don Song

Woon Kyung Choi

Ki Man Kang

Eun Ju Hong

Sung Won David Roh

The ultraviolet light emitting device includes a substrate; a light emitting structure on the substrate, and including a plurality of compound semiconductors, each including at least a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; a first electrode layer on the first conductive semiconductor layer; and a second electrode layer on the second conductive semiconductor layer. The first electrode layer is spaced apart from a side surface of the active layer, and is provided along a peripheral portion of the active layer. At least one of the first and second electrode layers is a reflective layer.

Ultraviolet light emitting device

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.

Light emitting device having first and second electrodes on one side of a light emitting structure

Growing community of inventors

Seoul, South Korea

Yee Rang Hong