Light emitting device and lighting apparatus

• Main Authors: Seo, Jae Won, Lim, Woo Sik
• Format: Patent
• Language: English
• Published: 22.01.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

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.