Oliff PLC
Head-mounted display and image display device
An optical attenuator, when damaged, loses not only a light attenuation function but also part of an optical path shift function utilizing a refractive effect, and thus an optical path shift function in a normal state is lost. Thus, it is possible to diverts an optical path of modulate light, which is a laser beam, from a direction toward a mirror surface, that is, a direction toward the eye of an observer.
SEIKO EPSON CORPORATION
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Shuichi Takeshi
Wakabayashi Shimizu