Patent ID: 8659826

Claim:
A worn display for a user having a head and eyes, the worn display, comprising: a projector; and a periscopic system configured to be wearable and physically separate from the projector and physically free from the projector across rotational movement of the periscopic system when worn on the head, the periscopic system including at least one diffraction grating member, the diffraction grating member having an input end for receiving a collimated image from the projector, and a combiner end for receiving light from an outside scene and providing the collimated image received at the input end and the light received from the outside scene to the user, wherein the worn display is configured to receive the collimated image at the input end from the projector disposed at a location above and behind the head when the periscopic system is worn on the head, the at least one diffraction grating member extending vertically from the input end to the combiner end, wherein the input end is configured to be disposed above the head to receive the image from the projector and the combiner end is configured to be disposed in front of the eyes when the periscopic system is worn by the user.