Iwasaki Electric Co., Ltd.

Keiichirou Kinoshita

Nobuyuki Baba

Yuuichi Kimoto

An illumination device that can obtain high withstanding voltage performance while making heat transfer to a casing from a light-emitting element favorable is provided. In a sports illumination device including a COB type LED as a light source in a casing, a base plate that has the COB type LED mounted thereon and is formed from a high thermoconductive material, to which heat of the COB type LED is transferred, is included, the casing is provided with an engaging hole with which the base plate is engaged in a state in which a part of the base plate is exposed outside the casing, and an insulation packing is provided at a site of contact of the base plate and the engaging hole in the casing.

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Konosu, Japan

Keiichirou Kinoshita