Patent ID: 7741649
Filing Date: 2010-06-22
Classification: H01L

Abstract:
1. A method for manufacturing a semiconductor light emitting device comprising a semiconductor light emitting element, the method comprising: forming a mask on which circular patterns are periodically arranged, on a light extracted surface of a semiconductor light emitting element, selectively etching the light extracted surface of the semiconductor light emitting element by a reactive ion etching technique using the mask to form convex structures each including a conical mesa portion, a cylindrical portion, and a conical portion, the mesa portion, the cylindrical portion, and the conical portion being arranged in this order from the light extracted surface, a period between the convex structures being longer than 1/(a refractive index of an external medium+a refractive index of the convex structures) of an emission wavelength and equal to or shorter than the emission wavelength, and a circle-equivalent average diameter of the cylindrical portion being substantially constant from the mesa portion to the conical portion and being within a range of ⅓ to 9/10 of a circle-equivalent average diameter of a bottom of the mesa portion.