Importance

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Abstract

A transparent wearable data display having a source of collimated light a deflector for deflecting the collimated light into a scanned beam, and a first array including one column and integer N rows of switchable grating elements sandwiched between first and second parallel transparent substrates. The substrates together functioning as a first light guide, and a second array including M columns and N rows of switchable grating elements sandwiched between third and fourth parallel transparent substrates which together function as a second lightguide. Transparent electrodes are applied to opposing substrates. A first coupling for directing the scanned beam into a first TIR light path of the first lightguide along the first array column; and a second coupling for directing the first TIR light into a second TIR path of the second lightguide along a row of elements of the second array.

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First Claim