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:
Dec. 25, 2018
Filed:
Oct. 06, 2016
Genius Electronic Optical Co., Ltd., Taichung, TW;
Genius Electronic Optical (Xiamen) Co., Ltd., Xiamen, Fujian, CN;
Abstract
An optical lens assembly includes a first lens of positive refractive power, a second lens of refractive power, at least one of the object surface and the image surface being aspherical, a fourth lens of refractive power, a fifth lens of a concave object surface near its optical-axis and both the object surface and the image surface being aspherical so that the Abbe number υ4 of the fourth lens, the Abbe number υ5 of the fifth lens, an air gap Gbetween the first lens and the second lens, an air gap Gbetween the second lens and the third lens, an air gap Gbetween the fourth lens and the fifth lens, the second thickness Tof the second lens, the third thickness Tof the third lens, the fourth thickness Tof the fourth lens, and the fifth thickness Tof the fifth lens satisfy 18≤υ4−υ5≤50 and (G+T+G+T+T+G+T)/G≤6.3.