Patent ID: 8915616
Filing Date: 2014-12-23
Classification: F21S,F21V,F21W,F21Y

Abstract:
1. A lighting apparatus comprising: a light emitting unit including an LED module, a heat sink arranged at the rear of the LED module, and a light transmitting member arranged in front of the LED module; a housing having a first opening in which the light transmitting member is located and a second opening in which the heat sink is located; and an electronic module arranged within the housing to supply power to the LED module, wherein a gap is provided between the light transmitting member and the first opening to drain water introduced into the housing through the second opening to the outside of the housing, wherein the first opening is opposite to the second opening, wherein the heat sink includes a main body having a plurality of radiation fins protruding from the rear part of the main body, wherein the plurality of radiation fins extend toward the second opening to be exposed at the second opening of the housing, the plurality of radiation fins being arranged to form at least one channel that guides water into the housing through the second opening, wherein the light emitting unit is arranged in a first region of the housing and the electronic module is arranged in a second region of the housing, a wall surrounding the electronic module is provided in the second region and forming a space between the wall and the housing, and wherein the at least one channel on the heat sink communicates with the space in the second region such that water introduced into the second region flows through the space between the wall and the housing to drain out of the housing.