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. 07, 2023
Filed:
Dec. 09, 2020
Coretronic Corporation, Hsin-Chu, TW;
Hsin-Hsiang Lo, Hsin-Chu, TW;
Coretronic Corporation, Hsin-Chu, TW;
Abstract
A light field near eye display device including a display element, a micro-lens array, a first lens, and a second lens is provided. The display element provides an image light beam. The micro-lens array is located on a transmission path of the image light beam, and has multiple micro-lenses. The first lens is located on the transmission path of the image light beam, where the micro-lens array is located between the first lens and the display element. The second lens is located on the transmission path of the image light beam, and located between the micro-lens array and the display element. The following formulas are satisfied: and where fis an equivalent focal length of the micro-lenses, fis an equivalent focal length of the first lens, and fis an equivalent focal length of the second lens.