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US Patent 11054581 Ducted pupil expansion

Patent 11054581 was granted and assigned to Akonia Holographics, LLC on July, 2021 by the United States Patent and Trademark Office.

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
Current Assignee
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Akonia Holographics, LLC
Date Filed
February 12, 2018
Date of Patent
July 6, 2021
Patent Applicant
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Akonia Holographics, LLC
Patent Application Number
15894903
Patent Citations
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US Patent 10088675 Turning light pipe for a pupil expansion system and method
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US Patent 10175478 Methods and systems for generating virtual content display with a virtual or augmented reality apparatus
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US Patent 10359627 Waveguide coatings or substrates to improve intensity distributions having adjacent planar optical component separate from an input, output, or intermediate coupler
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US Patent 10145533 Compact holographic illumination device
Patent Citations Received
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US Patent 12124037 Compound light-guide optical elements
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US Patent 11561335 Light-guide optical element employing complementary coated partial reflectors, and light-guide optical element having reduced light scattering
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US Patent 11914187 Image waveguide with symmetric beam multiplication
0
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US Patent 12111479 Image display system with beam multiplication
0
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US Patent 11531201 Compact head-mounted display system having uniform image
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11054581
Patent Primary Examiner
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Chris H Chu

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