Patent ID: 8717481

Claim:
A head-mounted display, comprising: a light source apparatus; a display element displaying an image and illuminating the displayed image with light emitted from the light source apparatus so that image display light showing the image is emitted; and at least one of a visor or a combiner placed in front of a wearer's eyes, wherein the image displaying light emitted from said display element is guided to the wearer via said visor or combiner so that a virtual image of an object to be observed is formed in front of said wearer, wherein said light source apparatus is made up of a first light source for emitting light with high intensity and a second light source for emitting light with low intensity, wherein the head-mounted display is provided with a switching unit for switching light between the light emitted from said first light source or the light emitted from said second light source, wherein said display element, visor or combiner and the second light source are attached to a wearable unit worn on the head of the wearer, and wherein said first light source is attached to a vehicle which the wearer gets in and is connected to the wearable unit through an optical transmission path.