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.

Date of Patent:
Dec. 16, 2025

Filed:

Jul. 18, 2022
Applicant:

Sekonix Co., Ltd., Gyeonggi-do, KR;

Inventors:

Soon Cheol Choi, Gyeonggi-do, KR;

Ki Youn Noh, Gyeonggi-do, KR;

Seong Jun Bae, Gyeonggi-do, KR;

Assignee:

SEKONIX CO., LTD., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 3/04 (2006.01); G02B 9/62 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0045 (2013.01); G02B 3/04 (2013.01); G02B 9/62 (2013.01); G02B 13/18 (2013.01);
Abstract

Disclosed is a small lens system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged from an object, wherein the first lens has a refractive power (P1) satisfying −0.01<P1<0.01, the second lens has a refractive power (P2) satisfying 0.4<P2, the third lens has a negative refractive power, the third lens having a curvature (C6) of an image-side surface satisfying −0.01<C6<0.01, the fourth lens has a refractive power (P4) satisfying −0.1<P4<0.1, the fifth lens has a refractive power (P5) satisfying 0.7<P5, the sixth lens has a refractive power (P6) satisfying P6<−0.7, and the total optical path length (TOPL) of the lens system and an image height (Himg) satisfy TOPL/Himg <1.8.


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