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:
Sep. 10, 2024
Filed:
Aug. 22, 2022
Wicue, Inc., Cupertino, CA (US);
Fenghua Li, Cupertino, CA (US);
Abstract
Described are examples of adjustable focus glasses formed using liquid crystal. A pair of adjustable focus glasses can include a frame and two lenses arranged on the frame. In some examples, at least one of the two lenses is a lens assembly that includes a plano-concave lens, a Fresnel lens, and a liquid crystal layer between the plano-concave lens and the Fresnel lens. The plano-concave lens includes a planar surface and an opposing concave surface. The Fresnel lens includes a Fresnel surface and an opposing convex surface. The planar surface and the Fresnel surface face the liquid crystal layer. The focus position of the lens assembly can be adjusted through changing the refractive index of the liquid crystal layer, using appropriate control signals from an electronic controller. This conveniently allows the adjustable focus glasses to be multi-purpose and suitable for correcting both myopia and hyperopia.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile