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US Patent 11391948 Display illumination using a grating

Patent 11391948 was granted and assigned to Facebook on July, 2022 by the United States Patent and Trademark Office.

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Infobox (+4 properties)
Infobox
Patent Inventor Names
Fenglin Peng0
Liangyu Qiu0
Tanya Malhotra0
Ying Geng0
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Infobox
Patent Citations
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US Patent 10663745 Optical system
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Infobox
Is a
Patent
Patent
0
Patent Applicant
Facebook
Facebook
0
Current Assignee
Facebook
Facebook
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
113919480
Date of Patent
July 19, 2022
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Patent Application Number
167996070
Date Filed
February 24, 2020
0
Patent Citations
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US Patent 10095036 Compact near-eye display optics
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US Patent 10241330 Method and apparatus for generating input images for holographic waveguide displays
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US Patent 10274805 Polarization-independent switchable lens system
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US Patent 10353210 Self-aligning travelling collimating lens for sweeping laser
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US Patent 10429647 Focus adjusting virtual reality headset
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US Patent 10495798 Switchable reflective circular polarizer in head-mounted display
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US Patent 10578873 Head mounted display
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US Patent 10634907 Eye tracking based on polarization volume grating
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US Patent 10663745 Optical system
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US Patent 10976551 Wide field personal display device
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US Patent 10996466 Waveplates on a curved surface and fabrication method thereof
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US Patent 11002970 Multi-focal catadioptric head mounted display with LC switch
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US Patent 11022803 Eye glasses-type transparent display using mirror
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US Patent 11054648 Compact near-eye display optics for higher optical performance
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US Patent 11067810 Head-mounted display apparatus
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US Patent 11269123 Hollow triple-pass optical elements
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Patent Primary Examiner
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Nathanael R Briggs
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CPC Code
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G02F 1/13363
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G02F 1/133638
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G02F 1/133553
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G02F 2203/02
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G02B 27/425
0
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G02B 27/288
0
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G02B 27/0172
0
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G02B 2027/0178
0
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