Patent ID: 9212810
Filing Date: 2015-12-15
Classification: F21K,F21V,F21Y

Abstract:
1. A lighting apparatus comprising: a board provided with a light emitting element to emit light; a board attaching part having a first surface and a second surface, the board being attached to the first surface to be thermally connected to the board attaching part; a globe provided on the board attaching part to cover the light emitting element and configured to transmit the light; an exposed part attached to an edge part of the second surface to be thermally connected to the board attaching part, an enclosed space being formed by the globe and the exposed part, the enclosed space including a first space formed by the globe and the board attaching part and a second space formed by the board attaching part and the exposed part, the first space communicating with the second space through opening parts of the board attaching part; a radiator provided to be apart from an external circumferential surface of the exposed part, the radiator having a first open end part nearer to the globe and a second open end part farther from the globe; a rib attaching the exposed part to the radiator, a channel being provided between the exposed part and the radiator by the rib so that air flows into or out of the channel through the first and second open end parts; and a cap part attached to the radiator, the cap part being arranged opposite to the second open end part.