Patent ID: 9548425
Date: 2017-01-17
CPC Classifications: H01L

Claim:
1. A light emitting diode comprising: a transparent substrate having a first surface, a second surface and a side surface connecting the first surface and the second surface; a first conductive type semiconductor layer placed on the first surface of the transparent substrate; a second conductive type semiconductor layer placed on the first conductive type semiconductor layer; an active layer placed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first pad electrically connected to the first conductive type semiconductor layer; and a second pad electrically connected to the second conductive type semiconductor layer, wherein a mesa formed by the first conductive type semiconductor layer, the second conductive type semiconductor layer and the active layer has inclined side surfaces, wherein light generated in the active layer is discharged through the transparent substrate via the second surface of the transparent substrate, and the transparent substrate has at least one acute angle, and wherein the light emitting diode further includes a lower insulation layer covering upper surfaces of the first conductive type semiconductor layer and the second conductive type semiconductor layer, the lower insulation layer includes a first opening and a second opening that expose the first conductive type semiconductor layer, and the second pad is formed over a region between the first opening and the second opening.