Lens module

摘要

There is provided a lens module, including: a first lens having an extended portion, a second lens in contact with the extended portion to be aligned with the first lens, and a third lens in contact with the extended portion to be aligned with the second lens. In the lens module, the plurality of lenses are easily alignable in terms of optical axes thereof.

主权项

1. A lens module, comprising:
a first lens having an extended portion; a second lens in contact with inner circumferential surface of the extended portion to be aligned with the first lens; and a third lens in contact with the inner circumferential surface of the extended portion to be aligned with the second lens, wherein the extended portion has at least one first groove with first width and at least one second groove with second different width formed therein, the at least one first groove and the at least one second groove extending in a longitudinal direction of the extended portion, and each of the second lens has at least one first protrusion to be inserted into the at least one of the at least one first groove or the at least one second groove and the third lens has at least one second protrusion to be inserted into the other of the at least one first groove or the at least one second groove.