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. 22, 2023
Filed:
Apr. 01, 2021
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventor:
Kyung Tae Kim, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/58 (2006.01); G02B 13/06 (2006.01); H04N 23/00 (2023.01); G03B 17/02 (2021.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
G02B 9/58 (2013.01); G02B 13/06 (2013.01); G03B 17/02 (2013.01); H04N 23/00 (2023.01); G02B 13/18 (2013.01);
Abstract
An embodiment provides an imaging lens comprising first to fourth lenses that are sequentially arranged from an object side towards an image side and satisfying mathematical formula 1, wherein the first lens has negative refractive power, the second lens and the third lens have positive refractive power, and the fourth lens has negative refractive power. −40.0<R1+R2<−20.0 where R1 is the curvature radius of the object side surface of the first lens, and R2 is the curvature radius of the image side surface of the first lens.