Patent ID: 9478705
Filing Date: 2016-10-25
CPC Classification: H01L

Claim Text:
1. A device comprising: a growth substrate; a base layer grown over the growth substrate, the base layer comprising a first region and a second region, wherein the first and second regions of the base layer are pyramids having flat tops; a mask layer disposed over the growth substrate, wherein the first region of the base layer is grown in a first opening in the mask layer and the second region of the base layer is grown in a second opening in the mask layer, wherein the first opening and the second opening are substantially the same size, wherein a largest lateral dimension of the first opening is less than 0.3 μm; and a light emitting layer grown over the base layer, wherein a first portion of the light emitting layer grown over the first region is thinner than a second portion of the light emitting layer grown over the second region.