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:
Feb. 11, 2020
Filed:
May. 31, 2018
Brighten Optix Corp., Taipei, TW;
I-Tsung Wu, Taipei, TW;
Brighten Optix Corp., Taipei, TW;
Abstract
A lens with star-shaped optical zone to increase defocus image area is disclosed. The lens includes a central optical area to pass light to image on central imaging area of retina; a peripheral optical area formed around the central optical area and configured to pass light to image on a peripheral image blurring area on peripheral of the central imaging area; a star-shaped optical zone formed on the surface of the central optical area and configured to pass light to clearly image on the central imaging area; and a defocus area formed on a portion of the central optical area other than the optical zone. The defocus area can be used to increase defocus image area of the central imaging area, to extend a range of the optical area having defocus effect on the retina without the need to excessively increasing the defocus power of the lens.