Light emitting device and lighting system with the same

摘要

A light emitting device including a light emitting structure having a first conduction type semiconductor layer, an active layer, and a second conduction type semiconductor layer, a transparent conductive layer disposed on the light emitting structure, a metal filter having an irregular pattern disposed between the light emitting structure and the transparent conductive layer, and openings disposed between the irregular patterns in the metal filter.

主权项

1. A light emitting device comprising:
a light emitting structure having a first conduction type semiconductor layer, an active layer, and a second conduction type semiconductor layer; a transparent conductive layer disposed on the light emitting structure; a passivation layer disposed at a side of the light emitting structure and extending to sides and a top side of the transparent conductive layer; a metal filter having a plurality of irregular patterns disposed between the light emitting structure and the transparent conductive layer; and openings disposed between the plurality of irregular patterns, wherein at least one of the irregular patterns has a first side portion and a second side portion, the first side portion disposed on a first edge of the light emitting structure, the second side portion disposed on a second edge of the light emitting structure, and the first edge facing with the second edge, and wherein a width of the first side portion is different from a width of the second side portion.