Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jonathan David Waldern0
Milan Momcilo Popovich0
Date of Patent
March 29, 2022
0Patent Application Number
168558120
Date Filed
April 22, 2020
0Patent Citations
...
Patent Primary Examiner
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 of switchable grating elements sandwiched between first and second parallel transparent substrates, which together functioning as a first light guide. A first coupling is provided for directing the scanned beam into a first total internal reflection (TIR) light path of the first light guide along the first array column. The grating elements having diffracting and non-diffracting states, in their diffracting state deflecting light out of said light guide. The grating elements are switchable into their diffracting states one group of elements at a time.
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