Patent ID: 9618722
Date: 2017-04-11
CPC Classifications: E21B,G02B,G03B,H02K,H04N

Claim:
1. A lens driving apparatus comprising: a base; a yoke disposed on the base and including a horizontal plate having four side surfaces and a vertical plate extended from the horizontal plate: a bobbin provided in the yoke; a coil disposed around the bobbin and including eight outer peripheral surfaces; an upper spring coupled to an upper portion of the bobbin; a lower spring coupled to a lower portion of the bobbin; and a plurality of magnets disposed around the coil; wherein the coil includes first regions facing the plurality of magnets and second regions not facing the plurality of magnets, wherein the first regions and the second regions are alternately disposed, and wherein the first regions of the coil and a first plane of each magnet facing the coil have the same curvature.