The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2023
Filed:
Dec. 30, 2019
Meta Platforms Technologies, Llc, Menlo Park, CA (US);
Yang Zhao, Kirkland, WA (US);
Afsoon Jamali, Redmond, WA (US);
Junren Wang, Redmond, WA (US);
Wai Sze Tiffany Lam, Redmond, WA (US);
Lu Lu, Kirkland, WA (US);
Douglas Robert Lanman, Bellevue, WA (US);
META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US);
Abstract
A display system includes a source of unpolarized image light, and a stack of polarization-selective optical elements operable to switchably convert the unpolarized image light into two orthogonally polarized light beams, each of which being switchable in at least one beam characteristic. An output polarizer selects one of the two orthogonally polarized light beams for providing to a user. A depolarizer may be disposed between an electronic display emitting polarized light and the stack. The depolarizer may be in the form of an LC bilayer with randomized in-plane optic axis.