Illumination device

An illumination device comprising:

• a light source;
• a liquid crystal panel disposed on one side in a first direction of the light source;
• a first holder having a central axis extending in the first direction and holding the light source;
• a second holder including a rotational support part, a panel holding cover, and a coupling part, the rotational support part being provided on an outer peripheral side of the first holder and supporting the first holder rotatably in a circumferential direction about the central axis, the panel holding cover holding the liquid crystal panel, the coupling part coupling the rotational support part and the panel holding cover;
• a control board disposed on another side in the first direction of the first holder and configured to control the liquid crystal panel;
• and
• a wire extending in the first direction and electrically coupling the liquid crystal panel and the control board, wherein
• the second holder includes a wire support part supporting part of the wire.