| 摘要 |
PURPOSE: A head mounted display is provided, which is worn conveniently and has a low fabrication cost with a simple structure, and reduces fatigue of eyes as assuring a visual field. CONSTITUTION: According to the head mounted display, an optical signal output part(10) is connected to a video device and converts a video signal from the video device into an optical signal and then outputs it. And a lens part(20) has a plurality of film layers which are arranged on an optical signal output path of the optical signal output part and are stacked each other, and a reflector(23) which is intervened in each film layer and has a fixed reflection angle for the optical signal to converge to eyes of a user. The reflection angle of the reflector becomes smaller as going to a film layer arranged outermost from the film layer adjacent to the eyes. The optical signal output part is a LCOS(Liquid Crystal On Silicon) or a GLV(Grating Light Valve).
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