A motor for driving lenses, the motor comprising: a base (111, 311, 611); a yoke fixed in the base; a magnet fixed in the yoke; a carrier equipped with lenses and installed in the magnet such that the carrier moves up and down within the magnet; a coil coupled with the carrier, in which the coil cooperates with the magnet to move up and down the carrier; and a lower spring unit coupled to a lower portion (155, 3 55) of the carrier, wherein the lower spring unit includes first and second springs (341, 345; 441, 445) having arc shapes and being separated from each other while forming a ring shape as a whole, in which an outer peripheral surface of the lower spring unit is fixed to the base (111, 311, 6 11), an inner peripheral surface of the lower spring unit is fixed to the lower portion of the carrier to elastically support the carrier, and a lead wire of the coil is connected to the lower spring unit so that external power is supplied to the coil, wherein each of the first and second springs (341, 345; 441, 445) comprises an inner section (342, 346; 442, 446) fixed to the lower portion of the carrier an outer section (343, 347; 443, 447) fixed to the base (111, 311, 6 11), and a connection section (344, 348; 444, 448) connecting the inner section to the outer section, each outer section (343, 347; 443, 447) includes a bending portion (343aa, 347aa; 443aa, 447aa) as a first end portion (343a; 347a; 443a, 447a) bent downward so as to be connected to a main PCB of a product by passing through the base (111, 311, 611), and each inner section (342, 346; 442, 446) includes a second end portion (342a, 346a; 442a, 446a) connected to the lead wire of the coil, wherein the base (111, 311, 6 11) is formed with two support slots or two holes, and the two bending portions (343aa, 347aa; 443aa, 447aa) of the lower spring unit are inserted into the support slots or holes, respectively, so as to be connected to the main PCB of the product, and wherein the two support slots are formed at the same side of the base or the two holes, are formed in the base, such that the two bending portions (343aa, 347aa; 443aa, 447aa) of the first and second springs (341, 345; 441, 445) are disposed on the same side of the base (311, 611). a base (111, 311, 611); a yoke fixed in the base; a magnet fixed in the yoke; a carrier equipped with lenses and installed in the magnet such that the carrier moves up and down within the magnet; a coil coupled with the carrier, in which the coil cooperates with the magnet to move up and down the carrier; and a lower spring unit coupled to a lower portion (155, 3 55) of the carrier, wherein the lower spring unit includes first and second springs (341, 345; 441, 445) having arc shapes and being separated from each other while forming a ring shape as a whole, in which an outer peripheral surface of the lower spring unit is fixed to the base (111, 311, 6 11), an inner peripheral surface of the lower spring unit is fixed to the lower portion of the carrier to elastically support the carrier, and a lead wire of the coil is connected to the lower spring unit so that external power is supplied to the coil, wherein each of the first and second springs (341, 345; 441, 445) comprises an inner section (342, 346; 442, 446) fixed to the lower portion of the carrier an outer section (343, 347; 443, 447) fixed to the base (111, 311, 6 11), and a connection section (344, 348; 444, 448) connecting the inner section to the outer section, each outer section (343, 347; 443, 447) includes a bending portion (343aa, 347aa; 443aa, 447aa) as a first end portion (343a; 347a; 443a, 447a) bent downward so as to be connected to a main PCB of a product by passing through the base (111, 311, 611), and each inner section (342, 346; 442, 446) includes a second end portion (342a, 346a; 442a, 446a) connected to the lead wire of the coil, wherein the base (111, 311, 6 11) is formed with two support slots or two holes, and the two bending portions (343aa, 347aa; 443aa, 447aa) of the lower spring unit are inserted into the support slots or holes, respectively, so as to be connected to the main PCB of the product, and wherein the two support slots are formed at the same side of the base or the two holes, are formed in the base, such that the two bending portions (343aa, 347aa; 443aa, 447aa) of the first and second springs (341, 345; 441, 445) are disposed on the same side of the base (311, 611).