US Patent 11194159 Environmentally isolated waveguide display
Patent 11194159 was granted and assigned to Digilens, Inc on December, 2021 by the United States Patent and Trademark Office.
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Patent abstract
A waveguide display is provided comprising: an input image generator providing image light projected over a field of view; a waveguide having first and second external surfaces; and at least one grating optically coupled to the waveguide for extracting light towards a viewer. The waveguide has a lateral refractive index variation between said external surfaces that prevents any ray propagated within the waveguide from optically interacting with at least one of the external surfaces.
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Patent Inventor Names
Alastair John Grant0
Jonathan David Waldern0
Milan Momcilo Popovich0
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Patent Citations Received
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US Patent 11194159 Environmentally isolated waveguide display
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Patent applicant
Current assignee
Patent jurisdiction
Patent number
11194159
Date of patent
December 7, 2021
Patent application number
16593606
Date Filed
October 4, 2019
Patent primary examiner
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