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. 23, 2023
Filed:
May. 25, 2021
Applicant:
Lextar Electronics Corporation, Hsinchu, TW;
Inventors:
Assignee:
Lextar Electronics Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133607 (2021.01); G02F 1/133603 (2013.01); G02F 1/133611 (2013.01);
Abstract
An optical lens includes an optical transparent body which has an upper surface, a lower surface, a lateral surface and a lower concave portion. The upper surface includes a central upper concave portion, an outwardly-concave curved surface continuous from the central upper concave portion, and an inwardly-concave curved surface continuous from the outwardly-concave curved surface. The lateral surface is connected between the inwardly-concave curved surface and the lower surface. The lower concave portion is recessed from the lower surface.