HEAD MOUNTED DISPLAY DEVICE

摘要

A head mounted display device (10) comprising: a light emitting source (12), an optical waveguide (14) adapted to collect light emitted from the light emitting source and to guide the collected light to the eye (18) of a wearer when the head mounted display device is being worn by the wearer, a controller device (16) adapted to control the emitted spectrum and/or radiance and/or light level emitted by the light emitting source.