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:
Mar. 03, 2026
Filed:
Dec. 08, 2022
Applicant:
Meta Platforms Technologies, Llc, Menlo Park, CA (US);
Inventor:
Sundeep Kumar Jolly, San Francisco, CA (US);
Assignee:
Meta Platforms Technologies, LLC, Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/09 (2006.01); G02B 27/01 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0944 (2013.01); G02B 2027/0196 (2013.01);
Abstract
A diffractive optical element may include a slab of transparent photoelastic material and a set of acoustic transducers spread over the perimeter of the slab. The acoustic transducers generate surface and/or volume acoustic waves that induce a diffractive pattern in the slab due to photoelasticity. The diffractive patterns a dynamic, i.e. they may be changed by changing phases and frequencies of oscillation of the acoustic transducers. Focusing and redirection patterns may be used to refocus and/or redirect image light in a near-eye display.