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:
Aug. 08, 2023
Filed:
May. 26, 2020
Applicant:
Ability Enterprise Co., Ltd., New Taipei, TW;
Inventor:
Yen-Chen Chiang, New Taipei, TW;
Assignee:
ABILITY ENTERPRISE CO., LTD., New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/60 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 9/60 (2013.01); G02B 13/0045 (2013.01);
Abstract
An optical lens, in order from an object side to an image-forming side, includes: a first lens having negative refractive power, a second lens having positive refractive power, a third lens having positive refractive power, a fourth lens having refractive power, and a fifth lens having refractive power. The fourth lens may be positive refractive power, or the fourth lens may have a fourth object-side surface which curves toward the image-forming side. The fifth lens may be negative refractive power, and a spacing may be between the fourth lens and the fifth lens.