Lg Electronics Inc.

Lg Innotek Co., Ltd.

Seung Il Lee

Bo Ra Choi

Seon Woo Yoo

Youn Chan Bae

Yoo Shin Ahn

Young Hwan Lee

Jae Young Im

Jin Su Kim

Young Hoon Kim

Jung Wook Lee

Jin Soo Park

Hyun Chul Kim

Byung Soo Oh

Hyun Ju Kim

Ho Phil Lee

Eui Seok Lee

Dae Hee Lee

Kyoung Boo Hwang

Jung Soo Yang

Hyun Sook Park

Ju Young Hong

Jung Hwan Son

Hyo Gon Kim

Woong Sun Yum

Chang Ho Noh

An embodiment discloses a semiconductor device comprising: a light-emitting structure having a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode disposed on the first conductive semiconductor layer; a second electrode disposed below the second conductive semiconductor layer; and a current blocking layer disposed between the second conductive semiconductor layer and the second electrode, wherein the first conductive semiconductor layer includes a first region in which the first electrode is disposed and a second region, the thickness of which is less than the thickness of the first region, and the current blocking layer is disposed in a region corresponding to the first region in the thickness direction.

Semiconductor device increasing light output

Disclosed in an embodiment is a light emitting device comprising: a light-emitting structure having a first semiconductor layer, an active layer under the first semiconductor layer, and a second semiconductor layer under the active layer; a first contact layer disposed under the light-emitting structure; a reflective layer disposed under the first contact layer; a first electrode layer including a capping layer disposed under the reflective layer; a second electrode layer electrically connected with the first semiconductor layer; a protective layer disposed at the outer peripheral portion between the capping layer and the light-emitting structure; a barrier layer at an outer side of the reflective layer and made of a metal different from that of the reflective layer; and a support member disposed under the capping layer.

Light-emitting device and light-emitting device package having same

Mobile phone

Cellular phone

Growing community of inventors

Seoul, South Korea

Seung Il Lee