ELECTRONIC DEVICE

A problem in the helmet-type electronic device in which the image of the content cannot be formed in the correct position due to the difference of the physical condition of each user is addressed to provide an electronic device comprising a helmet-shaped case configured to be mounted to support at least one region of a head of a user, an optical driving unit including an image source panel provided in the case to form image light, a lens unit located in an emission path of light output from the optical driving unit so that an image of the light is formed on an eye of the user, and a hinge unit for hinge-connecting one side of the lens unit to the case so that the lens unit is rotated to open and close with respect to the case.