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US Patent 11747656 Variable optical correction using spatially varying polarizers

Patent 11747656 was granted and assigned to Valve Corporation on September, 2023 by the United States Patent and Trademark Office.

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Contents

Is a
Patent
Patent

Patent attributes

Patent Applicant
Valve Corporation
Valve Corporation
Current Assignee
Valve Corporation
Valve Corporation
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11747656
Patent Inventor Names
Joshua Mark Hudman
Date of Patent
September 5, 2023
Patent Application Number
18064795
Date Filed
December 12, 2022
Patent Citations
‌
US Patent 8982313 Beam steering devices including stacked liquid crystal polarization gratings and related methods of operation
‌
US Patent 9298041 Multi-twist retarders for broadband polarization transformation and related fabrication methods
‌
US Patent 9335586 Polarization conversion systems with polarization gratings and related fabrication methods
‌
US Patent 9410677 Light source and display system incorporating same
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US Patent 10203489 Optical system for head-mounted display
‌
US Patent 7160017 Brightness enhancement film using a linear arrangement of light concentrators
‌
US Patent 7295312 Rapid 4-Stokes parameter determination via Stokes filter wheel
‌
US Patent 8004675 Method and system for stokes polarization imaging
...
Patent Primary Examiner
‌
Edmond C Lau
CPC Code
‌
G02F 1/0136

An optical system is provided that includes a correction portion including one or more spatially varying polarizers. A first spatially varying polarizer of the one or more spatially varying polarizers has a first control input configured to receive a first control signal indicating whether the first spatially varying polarizer is to be active or inactive. When active, the first spatially varying polarizer is operative to provide a first optical correction on light passing through the correction portion. The optical system includes a controller configured to determine whether to implement the first optical correction on the light passing through the correction portion and in response to determining to implement the first optical correction on the light passing through the correction portion, output the first control signal indicating the first spatially varying polarizer is to be active. Additional spatially varying polarizers may be controlled to provide additional or alternative optical corrections.

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