Samsung Electronics Co., Ltd.

Eun Joo Shin

Wan Tae Lim

Yong Il Kim

Nam Goo Cha

Sung Hyun Sim

Kyung Wook Hwang

Hanul Yoo

Hye Seok Noh

Si Han Kim

A semiconductor light-emitting device includes a light-emitting stack including a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer, and an active layer disposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, a wavelength conversion layer disposed on the light-emitting stack and configured to convert at least some of light having a first wavelength, emitted from the active layer, into light having a second wavelength, and a light control layer disposed between the light-emitting stack and the wavelength conversion layer, and including a first insulating layer and a second insulating layer, the first insulating layer having a refractive index lower than a refractive index of the light-emitting stack, and the second insulating layer having a refractive index higher than a refractive index of the first insulating layer by 0.5 or more.

Semiconductor light-emitting device

A semiconductor light emitting device includes: a light emitting structure including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer respectively providing a first surface and a second surface, opposite to each other, of the light emitting structure, and an active layer interposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, a region of the first conductivity-type semiconductor layer being open toward the second surface, and the first surface having a concavo-convex portion disposed thereon; a first electrode and a second electrode disposed on the region of the first conductivity-type semiconductor layer and a region of the second conductivity-type semiconductor layer, respectively; a transparent support substrate disposed on the first surface of the light emitting structure; and a transparent adhesive layer disposed between the first surface of the light emitting structure and the transparent support substrate.

Semiconductor light emitting device

Growing community of inventors

Seoul, South Korea

Eun Joo Shin