Patent ID: 8668374
Filing Date: 2014-03-11
Classification: F21K,F21V,F21Y

Abstract:
1. An optical semiconductor based illuminating apparatus comprising: a housing; at least one semiconductor optical device formed on an upper side of the housing; an optical member disposed on the upper side of the housing; a first unit formed on a lower outer side of the optical member and comprising a protrusion having an inclined surface inclined from a lower edge of the optical member; and a second unit formed on the upper side of the housing to accommodate and hold the first unit, wherein: the inclined surface of the protrusion contacts one side of a cutout portion formed on the second unit; the protrusion comprises a first portion placed corresponding to a cutout portion formed along an upper inner edge of the second unit, the first portion having the inclined surface, and a second portion extending from an upper side of the inclined surface to be parallel to a lower edge of the second unit; and a total length of the first portion and the second portion is smaller than or equal to the length of the cutout portion formed on the housing.