A method of texturing a surface within or immediately adjacent to a template layer of a LED is described. The method uses a texturing laser directed through a substrate to decompose and pit a semiconductor material at the surface to be textured. By texturing the surface, light trapping within the template...http://www.google.de/patents/US8124993?utm_source=gb-gplus-sharePatent US8124993 - Selective decomposition of nitride semiconductors to enhance LED light extraction
