Patent ID: 8314520

Claim:
A lens driving motor comprising: a base; a housing coupled to the base; a yoke disposed in the housing; a magnet coupled to the yoke; a carrier installed to be movable vertically in the inside of the yoke, wherein the carrier includes a female screw portion on an inner circumference surface thereof; a lens assembly disposed in the carrier, wherein the lens assembly includes a male screw portion on an outer circumference thereof, wherein the lens assembly is screwed into the carrier; a coil fixed to the carrier at a position facing the magnet; and an elastic member coupled to the carrier to provide elastic force to the carrier, wherein the elastic member includes a first spring and a second spring electrically separated from the first spring; wherein the first spring includes an outer portion, an inner portion, and a transition portion, wherein the outer portion of the first spring is separated from the inner portion of the first spring, wherein the transition portion of the first spring connects the outer portion of the first spring with the inner portion of the first spring, and wherein the transition portion of the first spring is extended from a portion between one end of the inner portion of the first spring and the other end of the inner portion of the first spring to a portion between one end of the outer portion of the first spring and the other end of the outer portion of the first spring; wherein the second spring includes an outer portion, an inner portion, and a transition portion, wherein the outer portion of the second spring is separated from the inner portion of the second spring, wherein the transition portion of the second spring connects the outer portion of the second spring with the inner portion of the second spring, and wherein the transition portion of the second spring is extended from a portion between one end of the inner portion of the second spring and the other end of the inner portion of the second spring to a portion between one end of the outer portion of the second spring and the other end of the outer portion of the second spring; and wherein the first spring and the second spring are disposed on a same horizontal plane.