| 摘要 |
An image display device includes a light source that supplies beam-like light; a scanning portion that scans light from the light source to display an image by using light from the scanning portion; and a connecting portion that electrically connects the light source and an external power source that supplies electric power to the light source; wherein the connecting portion is disposed in an optical path of light from the light source past the scanning portion, and, when light is irradiated from the scanning portion at energy equal to or more than predetermined energy, disconnects an electrical connection between the light source and the external power source.
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