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:
Jan. 21, 2025
Filed:
Jul. 16, 2020
University of Shanghai for Science and Technology, Shanghai, CN;
Bo Dai, Shanghai, CN;
Liang Zhang, Shanghai, CN;
Dawei Zhang, Shanghai, CN;
Songlin Zhuang, Shanghai, CN;
UNIVERSITY OF SHANGHAI FOR SCIENCE AND TECHNOLOGY, Shanghai, CN;
Abstract
A method for fabricating a fly-eye lens comprises the following steps: preparing a fly-eye mold () and a fly-eye base (), wherein the fly-eye mold () is provided with a hemispherical recess that matches the fly-eye base (), the bottom of the hemispherical recess is provided with a number of arrayed concave surfaces, the fly-eye base () has a hemispherical structure, mini-channels () penetrating through a spherical surface and a flat surface of the fly-eye base () are arranged inside the fly-eye base, and the arrangement of openings of the mini-channels () at the spherical surface is in consistency with that of the concave surfaces inside the fly-eye mold (); and installing the fly-eye base () in the fly-eye mold () in a fitted manner, injecting polydimethylsiloxane through the mini-channels () of the fly-eye base (), curing the polydimethylsiloxane, and removing the fly-eye base () from the fly-eye mold () to obtain the fly-eye lens.