Light emitting device

A light emitting device comprising:

• a light emitting portion;
• a housing having a cylindrical shape with a central axis extending vertically and forming an interior space in which the light emitting portion is accommodated, the housing including an upper wall portion formed with a communication hole that communicates with the interior space, and a peripheral wall portion extending downward from the upper wall portion;
• a cover fixed to the housing and covering above the upper wall portion of the housing, the cover forming a humidity control space to control humidity of the interior space between the cover and the upper wall portion of the housing;
• and
• a waterproof and moisture-permeable member arranged in the humidity control space and covering the communication hole,
• wherein the cover includes an outer peripheral edge portion extending in a circumferential direction around the central axis and having a size including the upper wall portion of the housing in a plan view, and the outer peripheral edge portion includes a lower end arranged below an upper surface of the upper wall portion of the housing, and
• a ventilation hole that opens downward such as to communicate the humidity control space with an outside is formed between the outer peripheral edge portion of the cover and the housing.