Light emitting element and lighting device

• Main Authors: LIM WOO-SIK, SEO JAE-WON
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

The invention provides a light emitting element and a lighting device. The light emitting element according to an embodiment comprises: a substrate; a light emitting structure which is disposed on thesubstrate and comprises a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; a reflective layer which is disposed on the light emitting structure andhas first and second regions adjacent to each other in a horizontal direction; a first electrode which is disposed in at least a part of the first region of the reflective layer while passing throughthe 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 ofthe light emitting structure and between the first electrode and the reflective layer; a diffusion prevention layer disposed in the second region of the reflective layer; a second insulating layer disposed on the first electrode