FIELD: electrical communication equipment.SUBSTANCE: invention relates to a head-mounted display device. Head-mounted display device comprises an image display unit including an image-light generating unit configured to generate image light on the basis of image data and emit the image light, the image display unit causing, in a state in which the image display unit is worn on a head of a user, the user to visually recognise the image light as a virtual image and transmitting an outside scene, a detecting unit configured to detect a movement of the head of the user, and an image-position setting unit configured to change, on the basis of a cyclical change in a position of the head of the user predicted on the basis of the detected movement of the head, a position of the image light in a region where the image-light generating unit is capable of generating the image light.EFFECT: technical result is providing easy operation.6 cl, 13 dwg
HEAD-MOUNTED DISPLAY DEVICE AND CONTROL METHOD FOR HEAD MOUNTED DISPLAY DEVICE