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Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 17, 2021
Patent Application Number
20180320
Date Filed
March 20, 2018
Patent abstract
An optical structure includes an input grating and a multilayer waveplate. The input grating is configured to incouple a first spectrum of received image light into a waveguide. The multilayer waveplate is configured to reflect the first spectrum of the image light incoupled by the input grating in the second polarization orientation and reflect a second spectrum of the image light incoupled by the input grating by diffraction in the first polarization orientation.
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