US 12,332,548 B2
Camera module
Jong Gi Lee, Suwon-si (KR); Ju Hwa Son, Suwon-si (KR); and Jong Ho Ahn, 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 Jan. 14, 2021, as Appl. No. 17/149,071.
Claims priority of application No. 10-2020-0141518 (KR), filed on Oct. 28, 2020.
Prior Publication US 2022/0128888 A1, Apr. 28, 2022
Int. Cl. G03B 17/12 (2021.01); G02B 7/02 (2021.01)
CPC G03B 17/12 (2013.01) [G02B 7/021 (2013.01); G02B 7/025 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A camera module, comprising:
a first lens group, comprising a foremost lens disposed closest to an object;
a second lens group, comprising a rearmost lens disposed closest to an imaging plane; and
a lens barrel, in which a first accommodation space and a second accommodation space are formed, the first accommodation space configured to accommodate the first lens group therein, and the second accommodation space configured to accommodate the second lens group therein,
wherein the second accommodation space is configured to become narrower from an object side toward the imaging plane,
wherein a portion of an inner peripheral surface of the second accommodation space that is in contact with an outer peripheral surface of the rearmost lens is inclined to form an acute angle with an optical axis,
wherein a plurality of grooves, which are configured to accommodate an adhesive, is disposed in a flange portion of the rearmost lens,
wherein the plurality of grooves is partially formed at predetermined intervals along a peripheral direction of the flange portion of the rearmost lens, and
wherein the adhesive is disposed on the inner surface of the lens barrel.