US 12,411,320 B2
Imaging lens system
Jae Hyuk Huh, Suwon-si (KR); You Jin Jeong, Suwon-si (KR); Byung Hyun Kim, Suwon-si (KR); and So Mi Yang, Suwon-si (KR)
Assigned to Samsung Electro-Mechanics Co., Ltd., Suwon-si (KR)
Filed by SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si (KR)
Filed on Jul. 28, 2023, as Appl. No. 18/361,662.
Claims priority of application No. 10-2022-0159542 (KR), filed on Nov. 24, 2022; and application No. 10-2023-0036440 (KR), filed on Mar. 21, 2023.
Prior Publication US 2024/0176115 A1, May 30, 2024
Int. Cl. G02B 13/00 (2006.01); G02B 9/60 (2006.01)
CPC G02B 13/0065 (2013.01) [G02B 9/60 (2013.01); G02B 13/0045 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An imaging lens system comprising:
a lens group comprising a plurality of lenses sequentially disposed along an optical axis of the imaging lens system from an object-side surface of the lens group toward an imaging plane of the imaging lens system; and
an optical path folding member disposed on the optical axis between an image-side surface of the lens group and the imaging plane,
wherein the plurality of lenses comprise a fourth lens having a convex object-side surface in a paraxial region thereof, and
1.52<(TTL+ImgHT)/PL<2.32, where TTL is a distance along the optical axis from the object-side surface of the lens group to the imaging plane, ImgHT is a height of the imaging plane, and PL is a distance along the optical axis from an incident surface of the optical path folding member to an exit surface of the optical path folding member.