Patent ID: 8956017
Filing Date: 2015-02-17
Classification: F21K,F21V,F21Y

Abstract:
1. A lighting apparatus, comprising: a metal case; a power source unit contained in an interior of the case; and a light emitting unit provided on the power source unit, the light emitting unit including a light emitting device configured to emit light by a current being supplied from the power source unit, the case having a side portion, the side portion being provided around a first axis parallel to a direction from the power source unit toward the light emitting unit, the side portion being provided around the power source unit, the side portion having a first portion and a second portion disposed around a central axis parallel to the first axis, the central axis passing through a center of an upper end of the case when viewed along the first axis, the first portion having a long distance to the central axis, the second portion having a short distance to the central axis, the long distance being greater than the short distance, the second portion being in physical contact with the light emitting unit, an end portion of an inner surface of the second portion being configured to have at least one selected from a portion perpendicular to the central axis and a portion having a recessed configuration with respect to the central axis when the inner surface is cut by a cross-section perpendicular to the central axis, the inner surface being configured to oppose the power source unit, wherein the power source unit includes a power source substrate and an electrical part mounted on a major surface of the power source substrate, and the end portion of the inner surface is planar and runs parallel to the major surface of the power source substrate.