Search Patents
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Patent number: 9300196Abstract: A VCM is disclosed, the VCM including a rotor including a bobbin arranged at an upper surface of a base formed with an opening, and a driving coil wound on the bobbin, a stator including a driving magnet opposite to the driving coil, and a yoke secured by the driving magnet at an inner surface of a lateral plate, and a tilting unit including a tilt magnet arranged at an outer surface of the lateral plate, a housing fixing the tilt magnet, and a tilt coil unit opposite to the tilt magnet.Type: GrantFiled: November 14, 2012Date of Patent: March 29, 2016Assignee: LG INNOTEK CO., LTD.Inventor: Jin Suk Han
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Patent number: 11079567Abstract: The present embodiment relates to a lens driving device comprising: a housing; a bobbin disposed inside the housing; a coil disposed at the bobbin; a magnet disposed in the housing and facing the coil; an elastic member coupled to the housing and the bobbin; and a damper disposed at the elastic member, wherein the elastic member comprises an outer part coupled to the housing, an inner part coupled to the bobbin, and a connection part for connecting the outer part and the inner part; and the damper is disposed at the connection part.Type: GrantFiled: January 11, 2017Date of Patent: August 3, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Kap Jin Lee, Kyung Hwan Kim
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Patent number: 8451553Abstract: Disclosed is a lens driving apparatus. The lens driving apparatus includes a base, a yoke coupled to the base, having an upper surface formed with a hole, a closed side surface, and an opened bottom surface, a bobbin movably installed in an inner portion of the yoke, a lens module coupled to the bobbin to go in and out the hole according to movement of the bobbin, a magnet fixed to an inner portion of the yoke, a coil fixed to an outer portion of the bobbin while facing the magnets, and springs coupled to the bobbin to provide restoration force to the bobbin.Type: GrantFiled: October 22, 2010Date of Patent: May 28, 2013Assignee: LG Innotek Co., Ltd.Inventor: Ji Hoon Kim
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Patent number: 11768422Abstract: A VCM is disclosed, the motor including a stator including a first driving unit, a rotor arranged inside the stator, including a second driving unit responding to the first driving unit and mounted therein with a lens, a base fixing the stator, and an elastic member coupled to the rotor to float the rotor from the base in a case a driving signal for driving the first and second driving units is not applied to the first and second driving units.Type: GrantFiled: July 16, 2021Date of Patent: September 26, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Seong Min Lee
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Patent number: 7885023Abstract: Disclosed is a lens driving apparatus. The lens driving apparatus comprises a base, a yoke coupled to the base, having an upper surface formed with a hole, a closed side surface, and an opened bottom surface, a bobbin movably installed in an inner portion of the yoke, a lens module coupled to the bobbin to go in and out the hole according to movement of the bobbin, a magnet fixed to an inner portion of the yoke, a coil fixed to an outer portion of the bobbin while facing the magnets, and springs coupled to the bobbin to provide restoration force to the bobbin.Type: GrantFiled: November 22, 2007Date of Patent: February 8, 2011Assignee: LG Innotek Co., Ltd.Inventor: Ji Hoon Kim
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Patent number: 11112600Abstract: A camera module is disclosed, the camera module including a PCB (Printed Circuit Board), a base arranged at an upper surface of the PCB, a holder member arranged at an upper surface of the base and formed with a plurality of magnet reception portions, a surface of which facing the base is opened, and a plurality of magnets coupled to the magnet reception portions, wherein the base is formed with a protrusion configured to support a bottom surface of the magnet by being protrusively formed at a position corresponding to an opening of the magnet reception portions.Type: GrantFiled: January 31, 2019Date of Patent: September 7, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Jun Taek Lee, Sung Guk Lee
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Patent number: 8605213Abstract: The present disclosure relates to a camera module including a fixture; a moving part centrally coupled with a lens and arranged to move relative to the fixture; three or more magnets arranged at a periphery of the moving part; and three or more coils arranged from an inner surface of the fixture to areas opposite to the three or more magnets, where each of the coils independently receives a control signal so that the moving part moves to a height direction and tilted relative to a central axis of the moving part, whereby a lens can be axially moved and tilted at the same time using arrangement of a single set of coils and magnets.Type: GrantFiled: December 14, 2011Date of Patent: December 10, 2013Assignee: LG Innotek Co., Ltd.Inventor: Sangok Park
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Patent number: 11428950Abstract: A lens moving apparatus includes a bobbin on which a first coil is disposed, a first magnet disposed around the bobbin to face the first coil, and a housing, which is disposed to surround at least a portion of the bobbin and has a first magnet mounting seat, which receives the first magnet, wherein the housing is provided with an adhesive inlet, which allows a side portion of the first magnet mounting seat to communicate with an outside surface of the housing.Type: GrantFiled: September 10, 2019Date of Patent: August 30, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Jae Hong Cho, Seung Taek Shin, In Jae Yeo, Sang Hee Lee, Jin Suk Han, Jung Cheol Kim
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Publication number: 20130215526Abstract: A voice coil motor (VCM) is disclosed, the VCM including: a stator including a magnet generating a first electromagnetic field; a mover including a bobbin formed with a hollow hole through which light passes and a coil formed on a periphery of the bobbin that generates a second electromagnetic field responsive to the first electromagnetic field; a base fixed at the stator and formed with an opening through which the light passes; and at least one elastic member elastically supporting the bobbin and forming a gap between the bobbin and the base when the coil is not applied with a current.Type: ApplicationFiled: February 22, 2011Publication date: August 22, 2013Applicant: LG INNOTEK CO., LTD.Inventor: Sangok Park
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Patent number: 10042140Abstract: An embodiment comprises: a housing supporting a first coil; a bobbin supporting a magnet, the bobbin being moved inside the housing in a first direction, which is parallel with an optical axis, by an electromagnetic interaction between the magnet and the first coil; an elastic member coupled to the bobbin and to the housing; a first circuit board electrically connected to the elastic member; a second circuit board arranged below the housing; a second coil arranged on the second circuit board; and a support member electrically connecting the first circuit board and the second circuit board or electrically connecting the elastic member and the second circuit board.Type: GrantFiled: June 23, 2015Date of Patent: August 7, 2018Assignee: LG INNOTEK CO., LTD.Inventor: Sang Ok Park
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Patent number: 11835787Abstract: One embodiment comprises: a housing; a bobbin, which is arranged inside the housing and is for mounting a lens; first coils arranged around the outer peripheral surface of the bobbin; a first magnet arranged in the housing; a second magnet arranged at the bobbin and spaced from the first coils; and a first position sensor arranged in the housing and sensing the intensity of a magnetic field of the second magnet, wherein the length of the second magnet in the direction of an optical axis is shorter than the length of thereof in the direction perpendicular to the direction of the optical axis.Type: GrantFiled: November 9, 2020Date of Patent: December 5, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Byung Wook Son, Sang Ok Park
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Patent number: 8836177Abstract: A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a lens-accommodating, both ends opened cylindrical bobbin and a coil block including a coil wound on a periphery of the bobbin; a stator including a cylindrical yoke formed with a lens-exposing opening, a plurality of magnets disposed inside the yoke and opposite to the coil block, and a magnet fixing member disposed inside the yoke to fix the plurality of magnets; and an elastic member elastically supporting the bobbin.Type: GrantFiled: July 29, 2011Date of Patent: September 16, 2014Assignee: LG Innotek Co., Ltd.Inventors: Seongmin Lee, Sangok Park, Sangjun Min, Kyoungho Yoo, Taejin Jung, Taemin Ha, Seungki Kim
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Patent number: 10564443Abstract: Embodiments provide a lens moving apparatus including a housing for supporting a first magnet, a bobbin including a coil disposed on an outer surface thereof and inside the first magnet so as to move in the housing in a first direction parallel to an optical axis by electromagnetic interaction between the first magnet and the coil, and upper and lower elastic members, each of which is provided at the bobbin and the housing and includes an inner frame coupled to the bobbin and an outer frame coupled to the housing, wherein at least one of the upper and lower elastic members is constituted by a printed circuit board.Type: GrantFiled: January 10, 2019Date of Patent: February 18, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee
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Patent number: 9197121Abstract: A VCM (voice coil motor) is disclosed, the VCM comprising: a bobbin formed with a support unit protruded from a periphery of a body at a bottom portion of the body, and a recess unit partially removed at the support unit; and a coil block supported by the support unit and including a plurality of coil layers wound at a periphery of the bobbin, wherein first and second distal ends of the coil block pass through the recess unit.Type: GrantFiled: December 19, 2013Date of Patent: November 24, 2015Assignee: LG INNOTEK CO., LTD.Inventors: Seongmin Lee, Sangok Park, Sangjun Min, Taejin Jung
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Patent number: 9977219Abstract: A lens actuating unit is provided. The lens actuating unit includes: a bobbin configured to accommodate a lens module at an inner side of the bobbin; a first coil unit disposed at the bobbin; a housing disposed at an outer side of the bobbin; and a magnet unit configured to move the first coil unit through electromagnetic interaction with the first coil unit, wherein the housing includes a hole formed by being recessed from an inner side to an outer side to accommodate the magnet unit.Type: GrantFiled: July 7, 2015Date of Patent: May 22, 2018Assignee: LG INNOTEK CO., LTD.Inventors: Jae Hong Cho, Sang Hee Lee, In Jae Yeo, Jin Suk Han
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Patent number: 9964775Abstract: A lens moving apparatus includes a housing supporting a driving magnet, a bobbin provided on an outer surface thereof with a coil disposed in the driving magnet and moving in a first direction in the housing, a base disposed under the bobbin to be spaced apart from the bobbin by a predetermined distance, an upper elastic member disposed above the bobbin and including an inner frame connected to the bobbin and an outer frame coupled to the housing, and a support member coupled at a lower portion thereof to the base and including a projecting portion protruding upward and bent at at least a portion thereof, at least a portion of the bent portion of the projecting portion being coupled to the upper elastic member.Type: GrantFiled: July 9, 2015Date of Patent: May 8, 2018Assignee: LG INNOTEK CO., LTD.Inventor: In Jae Yeo
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Patent number: 11762215Abstract: The present embodiment relates to a lens driving apparatus, a camera module comprising the lens driving apparatus, and an optical device comprising the camera module. The lens driving apparatus comprises: a base; a first substrate placed on the base; a housing placed on the first substrate; a bobbin placed inside the housing; a lower resilient member for coupling the bobbin and the housing; a first coil placed on the bobbin; a magnet placed on the housing and facing the first coil; and a second substrate placed on the first substrate and comprising a second coil which faces the magnet, wherein the lower resilient member is connected to the first substrate or the second substrate.Type: GrantFiled: September 28, 2018Date of Patent: September 19, 2023Assignee: LG INNOTEK CO., LTD.Inventor: Sang Ok Park
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Patent number: 8922919Abstract: Disclosed is a motor for driving lenses. The motor includes a case, a yoke fixed in the case, 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, a spring unit including first and second springs having arc shapes and being separated from each other while forming a ring shape as a whole, a spacer supporting an outer peripheral surface of the spring unit, and a terminal provided on the spacer, in which one side of the terminal protrudes downward by passing through a bottom of the case to make connection with the spring unit and a main PCB of a product.Type: GrantFiled: July 30, 2013Date of Patent: December 30, 2014Assignee: LG Innotek Co., Ltd.Inventors: Sang Ok Park, Sang Hee Lee
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Patent number: 8659844Abstract: Disclosed is a motor for driving lenses. The motor includes a case, a yoke fixed in the case, 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, a spring unit including first and second springs having arc shapes and being separated from each other while forming a ring shape as a whole, a spacer supporting an outer peripheral surface of the spring unit, and a terminal provided on the spacer, in which one side of the terminal protrudes downward by passing through a bottom of the case to make connection with the spring unit and a main PCB of a product.Type: GrantFiled: October 17, 2011Date of Patent: February 25, 2014Assignee: LG Innotek Co., Ltd.Inventors: Sang Ok Park, Sang Hee Lee
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Patent number: 11347022Abstract: A lens moving apparatus is disclosed. The lens moving apparatus includes a bobbin equipped with at least one lens, a coil and a driving magnet arranged opposite to each other for moving the bobbin in an optical axis direction of the lens through interaction therebetween, a first circuit board for supplying electric current required by the coil, and a cover can and a base coupled to, contacted to, supported at, fixed to, or temporarily fixed to each other for forming a space in which the bobbin, the driving magnet, and the first circuit board are received, wherein the cover can is connected to a second circuit board having an image sensor mounted thereon.Type: GrantFiled: April 2, 2019Date of Patent: May 31, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee