Patent ID: 11933963
Assignee: LG INNOTEK CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 18:
19. A light transmission band change unit comprising:
a base having a first axis;
a blade disposed on the base;
a magnet disposed between the base and the blade; and
a blade cover coupled to the base and comprising an upper plate on which a hole is formed,
wherein the blade comprises a first region in which a lens and an infrared pass filter are disposed, a second region in which an infrared pass filter is disposed, and a body in which a hole into which a pivot shaft is inserted such that the pivot shaft is aligned with the first axis, and
wherein the hole of the upper plate is disposed between a first protrusion having a first arc and a second protrusion having a second arc, and
wherein a radius of curvature of the first arc is different from a radius of curvature of the second arc,
wherein the blade is configured to rotate about the pivot shaft between a first position in which the lens is vertically aligned with an optical axis and a second position in which the infrared cut filter is vertically align with the optical axis, and wherein at least a portion of the lens overlaps with the hole when the blade is in the first position, when the blade is in the second position and when the blade is to move between the first position and the second position.