Illuminating apparatus

摘要

Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipator 12.

主权项

1. A lighting apparatus comprising:
a heat dissipater that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an upper opening; and a light-emitting device that is provided in an inside of the heat dissipater at the bottom portion and is operable to emit light through the upper opening and towards the circumferential wall portion, wherein the circumferential wall portion has one or more windows for leaking a portion of the emitted light to illuminate an outside of the heat dissipater, the circumferential wall portion has an inner surface and an outer surface, the light-emitting device is provided in a space defined by the inner surface of the circumferential wall, and the windows are through-holes that pass through the inner surface and the outer surface of the circumferential wall portion, and each throughhole is closed off by a translucent member that transmits the portion of the emitted light.