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. 08, 2026
Filed:
Dec. 31, 2021
Goertek Optical Technology Co., Ltd., Weifang, CN;
Shiyu Zhang, Shandong, CN;
Goertek Optical Technology Co., Ltd., Weifang, CN;
Abstract
The present disclosure discloses a detection lens for a head-mounted display provided with a light incident end, and configured for receiving light from the light incident end; the detection lens comprises a lens group, and an overall entrance pupil of the lens group overlaps with its own aperture stop; the lens group comprises a first lens group and a second lens group, the first lens group is close to the light incident end relative to the second lens group along an axial direction of the detection lens; the second lens group comprises a double-Gauss lens group, the double-Gauss lens group is located close to the light incident end in the second lens group, and a side of the double-Gauss lens group close to the light incident end is provided with at least three Gauss lenses which have positive focal powers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile