Patent ID: 8727564

Claim:
An illumination apparatus comprising: a substrate comprising a wiring layer formed on a front face of the substrate; a plurality of semiconductor light emitting elements mounted at least on a peripheral portion of the front face of the substrate; a connector formed on the front face of the substrate and extending from the front face away from the substrate and radially inward from at least the plurality of semiconductor light emitting elements mounted on the peripheral portion; an electrical wire electrically connected to the connector and projecting outward from the substrate; a radiator to which a rear face of the substrate is attached; an insulative attachment body comprising: a lens which is configured to focus light emitted from the semiconductor light emitting element; and an attachment base attached to the radiator and configured to hold the substrate between the attachment body and the radiator; a metal component which is attached to the radiator from a front face of the attachment base of the attachment body; wherein the substrate includes a covering portion; a wiring groove in the radiator includes a front face opening and a rear face opening; the groove being an “L” shape so that the rear face opening and the front face opening are not opposed; the covering portion covering at least a portion of the front face opening of the wiring groove.