公开(公告)号：US20190341529A1

公开(公告)日：2019-11-07

申请号：US16515450

申请日：2019-07-18

Applicant: LG INNOTEK CO., LTD.

Inventor： Woo Sik LIM ,  Jae Won SEO

IPC: H01L33/46 ,  H01L33/38 ,  H01L33/44 ,  H01L33/48 ,  H01L33/40 ,  H01L33/62

Abstract: A light emitting device includes a substrate; a light emitting structure disposed on the substrate; a first insulation layer disposed on the light emitting structure; a second insulation layer disposed on the first insulation layer; a first electrode and a second electrode electrically connected to the light emitting structure; a first pad electrically connected to the first electrode; and a second pad electrically connected to the second electrode

公开(公告)号：US20190051801A1

公开(公告)日：2019-02-14

申请号：US16075490

申请日：2017-02-03

Applicant: LG INNOTEK CO., LTD.

Inventor： Jae Won SEO ,  Sang Youl LEE ,  Woo Sik LIM

IPC: H01L33/62 ,  H01L33/10 ,  H01L33/38 ,  H01L33/32

Abstract: A light-emitting element according to an embodiment comprises: a light-emitting structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer formed between the first and second conductive type semiconductor layers; a reflective layer formed on the second conductive type semiconductor layer; a capping layer formed on the reflective layer to surround the reflective layer; a first electrode electrically connected with the first conductive type semiconductor layer; a first bonding pad electrically connected with the first electrode; and a second bonding pad electrically connected with the second electrode, wherein the light-emitting structure includes a recess extending to a region of the first conductive type semiconductor layer through the second conductive type semiconductor layer and the active layer; the first electrode is formed within the recess and electrically connected with the first conductive type semiconductor layer, and includes a region bent along a side surface of the second bonding pad; the reflective layer is formed to be spaced apart from the recess; and the capping layer includes a transparent electrode.

公开(公告)号：US20170170365A1

公开(公告)日：2017-06-15

申请号：US15315938

申请日：2015-05-26

Applicant: LG INNOTEK CO., LTD.

Inventor： Woo Sik LIM ,  Jae Won SEO

IPC: H01L33/46 ,  H01L33/48 ,  H01L33/62 ,  H01L33/38 ,  H01L33/44

CPC classification number: H01L33/46 ,  H01L33/382 ,  H01L33/405 ,  H01L33/44 ,  H01L33/483 ,  H01L33/486 ,  H01L33/62 ,  H01L2224/16145 ,  H01L2224/48091 ,  H01L2924/00014

Abstract: A light emitting element according to an embodiment includes a substrate; a light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer which are disposed on the substrate; a reflective layer which is disposed on the light emitting structure and has first and second areas neighboring each other in a horizontal direction; a first electrode which is disposed in at least a portion of the first area of the reflective layer with passing through the second conductive semiconductor layer and the active layer and extending to the first conductive semiconductor layer; a first insulating layer disposed between the first electrode and the side of the light emitting structure and between the first electrode and the reflective layer; a diffusion barrier layer disposed in the second area of the reflective layer; a second insulating layer disposed on the first electrode and the diffusion barrier layer; and first and second bonding layers which pass through the second insulating layer and are connected to the first electrode and the diffusion barrier layer, respectively.