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:
May. 25, 2021
Filed:
Dec. 13, 2019
Facebook Technologies, Llc, Menlo Park, CA (US);
Mengfei Wang, Seattle, WA (US);
Gang Li, Bothell, WA (US);
Lu Lu, Kirkland, WA (US);
Yunqi Li, Redmond, WA (US);
Facebook Technologies, LLC, Menlo Park, CA (US);
Abstract
A variofocal display device includes an image source and a display. The image source is configured to project image light. The display includes a first optical diffuser and a second optical diffuser. The display is configured to receive the image light. The first diffuser is configured to diffuse the image light at the first optical diffuser when the image light has a first polarization, and to diffuse the image light at the second optical diffuser when the image light is configured has a second polarization different from the first polarization. A method of displaying images using a varifocal display device is also disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile