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. 16, 2023
Filed:
May. 09, 2022
National Yang Ming Chiao Tung University, Hsinchu, TW;
Yi-Hsin Lin, Hsinchu County, TW;
Yi-Siang Tsai, Kaohsiung, TW;
Ting-Wei Huang, Chiayi County, TW;
Hao-Hsin Huang, Hsinchu County, TW;
National Yang Ming Chiao Tung University, Hsinchu, TW;
Abstract
A varifocal lens device includes a lens unit and a polarization controller. The lens unit has different optical powers for different polarization directions of light. When a light beam is introduced into the varifocal lens device through the polarization controller in a first state, a polarization direction of the light beam is converted by the polarization controller. When the light beam is introduced into the varifocal lens device through the polarization controller in a second state, the polarization direction of the light beam is prevented from being converted by the polarization controller.