Samsung Electronics Co., Ltd.

Jung Hwan Kil

Tae Hun Kim

Jae In Sim

Hwa Ryong Song

JuHeon Yoon

Ju Heon Yoon

A semiconductor light emitting device includes a light emitting structure having a first conductivity-type semiconductor layer, an active layer and a second conductivity-type semiconductor layer, a transparent electrode layer on the second conductivity-type semiconductor layer and spaced apart from an edge of the second conductivity-type semiconductor layer, a first insulating layer on the light emitting structure to cover the transparent electrode layer and including a plurality of holes connected to the transparent electrode layer, and a reflective electrode layer on the first insulating layer and connected to the transparent electrode layer through the plurality of holes.

Semiconductor light emitting device

A semiconductor light emitting device includes a light-emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, a first transparent electrode layer on the second conductivity-type semiconductor layer, a first insulating layer on the first transparent electrode layer, the first insulating layer including a plurality of through-holes, a reflective electrode layer on the first insulating layer and connected to the first transparent electrode layer through the plurality of through-holes, and a transparent protection layer covering upper and side surfaces of the reflective electrode layer, the transparent protection layer being on a portion of the first insulating layer.

Semiconductor light emitting device with increased reflectance and light emission efficiency, and suppressed peeling or migration of the reflective metal

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Suwon-si, South Korea

Jung Hwan Kil