LIGHT IRRADIATION DEVICE, LIGHT IRRADIATION MODULE, AND PRINTING DEVICE

摘要

Disclosed is a light irradiation device comprising a light emitting element, and a base whereon the light emitting element is mounted. The base has a laminated body with a plurality of laminated insulating layers, a first heat transfer member provided in the laminated body such that part thereof is positioned immediately under the light-emitting element, and a second heat transfer member provided between the insulating layers so as to surround the first heat transfer body when viewed from above. The thermal conductivity of the first heat transfer member and the second heat transfer member is better than the thermal conductivity of the laminated body.