US 12,313,967 B2
Aperture module and camera module including the same
Jaewoo Jun, 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 Dec. 28, 2022, as Appl. No. 18/089,681.
Claims priority of application No. 10-2022-0103266 (KR), filed on Aug. 18, 2022.
Prior Publication US 2024/0061318 A1, Feb. 22, 2024
Int. Cl. G03B 9/06 (2021.01)
CPC G03B 9/06 (2013.01) 14 Claims
OG exemplary drawing
 
1. An aperture module, comprising:
a base defining a central opening;
a rotation plate rotatably seated on the base about an optical axis;
an aperture driver coupled with the rotation plate and configured to rotate the rotation plate according to an input electrical signal; and
a plurality of blades disposed inside the rotation plate and interlocking with the rotation of the rotation plate to form an incident hole of variable size,
wherein each of the plurality of blades includes a blade tooth form at an outer end portion thereof, and the rotation plate includes a rotation plate tooth form disposed along an inner circumferential surface thereof and configured to engage with a respective blade tooth form of each of the plurality of blades, and
wherein the rotation plate includes a rotation part configured to rotate by a driving force provided by the aperture driver and an extension connected to an outer portion of the rotation part and extending in an optical axis direction and including a plurality of protrusions protruding outward to be gear-coupled with the aperture driver.