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US Patent 10642048 Reflective circular polarizer for head-mounted display

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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=106420480
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Patent Citations Received
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US Patent 11703623 Wide-angle compensation of uniaxial retarder stacks
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Patent Citations Received
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US Patent 11543669 Wide angle variable neutral density filter
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Infobox
Is a
Patent
Patent
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Patent Applicant
Facebook
Facebook
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Current Assignee
Facebook
Facebook
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
106420480
Date of Patent
May 5, 2020
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Patent Application Number
160576920
Date Filed
August 7, 2018
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=106420480
Patent Citations
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US Patent 10379419 Focus adjusting pancharatnam berry phase liquid crystal lenses in a head-mounted display
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US Patent 10451885 Multifocal system using pixel level polarization controllers and folded optics
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US Patent 10429647 Focus adjusting virtual reality headset
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US Patent 10429656 Eye tracking for a head mounted display including a pancake lens block
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US Patent 10429657 Eye tracking for a head mounted display including a pancake lens block
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US Patent 10429927 Eye tracking for a head mounted display including a pancake lens block
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US Patent 10495798 Switchable reflective circular polarizer in head-mounted display
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Patent Citations Received
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US Patent 10890776 Pancake lens ghosting mitigation
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US Patent 11002898 Switchable reflective circular polarizer in head-mounted display
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US Patent 11249355 Color switch for reduced color cross-talk
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US Patent 11269123 Hollow triple-pass optical elements
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US Patent 11294113 Wide-angle compensation of uniaxial retarder stacks
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US Patent 11320665 Retarder stack pairs for polarization basis vector transformations
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Patent Primary Examiner
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Amit Chatly
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Edits on 23 Sep, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=10642048
Edits on 19 May, 2022
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Patent citations received
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US Patent 11320665 Retarder stack pairs for polarization basis vector transformations

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