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公开(公告)号：US20210055503A1
公开(公告)日：2021-02-25
申请号：US17093128
申请日：2020-11-09
申请人： LG INNOTEK CO., LTD.
发明人： Byung Wook Son , Sang Ok Park
IPC分类号： G02B7/09 , G03B3/10 , H02K33/16 , G03B5/00 , G02B7/02 , H02K11/215 , H02K41/035
摘要： 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.
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公开(公告)号：US20200285020A1
公开(公告)日：2020-09-10
申请号：US16880212
申请日：2020-05-21
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Sang Jun Min , Sang Hee Lee
摘要： Disclosed is a lens driving apparatus. The lens driving apparatus includes a base formed at a center thereof with a first opening; a housing coupled with the base and having a second opening corresponding to the first opening; a yoke installed on the base and including a horizontal plate having a third opening corresponding to the first opening and a vertical plate protruding upward from the horizontal plate; a bobbin movably installed in the yoke and coupled with a lens module; a coil fixedly disposed around the bobbin; a plurality of magnets provided at the vertical plate of the yoke to face the coil; and a spring installed on at least one of upper and lower portions of the yoke to return the bobbin, which has moved up due to interaction between the magnet and the coil, to its initial position.
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公开(公告)号：US10761339B2
公开(公告)日：2020-09-01
申请号：US16029182
申请日：2018-07-06
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Sang Jun Min
摘要： A lens moving apparatus includes a bobbin including a first coil disposed therearound, a first magnet disposed to face the first coil, a housing for supporting the first magnet, upper and lower elastic members each coupled to both the bobbin and the housing, a base disposed to be spaced apart from the housing by a predetermined distance, a second coil disposed to face the first magnet, a printed circuit board on which the second coil is mounted, a plurality of support members, which support the housing such that the housing is movable in second and/or third directions and which connect at least one of the upper and lower elastic members to the printed circuit board, and a conductive member for conductively connecting the upper and lower elastic members.
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公开(公告)号：US10739610B2
公开(公告)日：2020-08-11
申请号：US16204199
申请日：2018-11-29
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Sang Jun Min
摘要： A lens moving apparatus includes a bobbin adapted to move upward and downward in a first direction, a housing in which the bobbin is accommodated and which is movable upward and downward in the first direction, a cover member accommodating the bobbin and the housing, and a base to which a lower portion of the cover member is coupled, wherein the cover member has an opening formed in an upper face thereof, and is provided at an area thereof surrounding the opening with a first stopper for limiting a distance by which the bobbin moves upward.
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公开(公告)号：US10712530B2
公开(公告)日：2020-07-14
申请号：US16229111
申请日：2018-12-21
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Seong Min Lee , Jun Taek Lee , Byung Wook Son , Sang Jun Min , Kyoung Ho Yoo
摘要： A lens driving device is provided, including: a cover member; a bobbin installed with at least one lens and having a coil unit arranged on an outer circumferential surface of the bobbin; a magnet arranged at a position corresponding to that of the coil unit; first and second elastic members, where one end of each of the first and second elastic members may be respectively coupled to an upper surface and a lower surface of the bobbin and supporting movement of the bobbin in an optical axis direction; a detection unit configured to detect movement of the bobbin in a direction parallel to the optical axis direction; a damping member arranged at a connecting portion between the bobbin and the first elastic member; and a support unit provided at at least one of the bobbin and the first elastic member and maintaining an arranged position of the damping member.
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公开(公告)号：US10663689B2
公开(公告)日：2020-05-26
申请号：US15827218
申请日：2017-11-30
申请人： LG INNOTEK CO., LTD.
发明人： Jun Taek Lee , Byung Wook Son , Sang Ok Park , Seong Min Lee
摘要： A lens moving apparatus includes a housing, a driving magnet, a bobbin with a coil disposed thereon, a first elastic member disposed on the bobbin and the housing and a damper coupled to the first elastic member and the housing. The first elastic member includes an inner frame coupled to the bobbin, an outer frame coupled to the housing, a connector connecting the inner frame and the outer frame, and a damping protrusion protruding from the connector. Further, the housing includes a damping receiving recess coupled to the damping protrusion by the damper.
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公开(公告)号：US10606025B2
公开(公告)日：2020-03-31
申请号：US15937330
申请日：2018-03-27
申请人： LG INNOTEK CO., LTD.
发明人： Seong Min Lee , Sang Ok Park , Hyune O Yoo , Byung Wook Son , Jun Taek Lee
IPC分类号： G02B7/02 , G02B15/14 , G02B3/10 , G02B7/09 , H02K41/035 , H02K11/215 , G03B3/10
摘要： A lens moving apparatus, including a cover can; a base disposed below the cover can; a bobbin disposed in the cover can; a coil provided at an outer surface of the bobbin; a driving magnet facing the coil and disposed in the cover can; a sensing magnet coupled to the bobbin; and a sensing unit coupled to a circuit board and facing the sensing magnet. In addition, the coil is disposed between the sensing magnet and the driving magnet.
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公开(公告)号：US10520700B2
公开(公告)日：2019-12-31
申请号：US15142610
申请日：2016-04-29
申请人： LG INNOTEK CO., LTD.
发明人： Jun Taek Lee , Sang Ok Park , Byung Wook Son , Seong Min Lee
摘要： A lens driving device is provided, the lens driving device including: a housing; a bobbin disposed at an inner side of the housing; a first driving part disposed on the bobbin; a second driving part disposed on the housing and facing the first driving part; a first mounting part disposed on the bobbin; a second mounting part disposed on the bobbin and disposed at an opposite side of the first mounting part based on a center of the bobbin; a first magnet disposed on the first mounting part; a sensor part sensing a position of the first magnet; and a second magnet disposed on the second mounting part.
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公开(公告)号：US10425563B2
公开(公告)日：2019-09-24
申请号：US15814050
申请日：2017-11-15
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Seong Min Lee , Jun Taek Lee , Byung Wook Son
摘要： Embodiments provide a lens moving apparatus including a first magnet, a housing, a bobbin, around which a coil is wound and which moves in a first direction in the housing, an upper elastic member disposed on upper surfaces of the bobbin and the housing, a lower elastic member disposed under lower surfaces of the bobbin and the housing, and a damping member disposed between the upper or lower elastic member and the bobbin.
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公开(公告)号：US10338404B2
公开(公告)日：2019-07-02
申请号：US15960156
申请日：2018-04-23
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Sang Jun Min , Tae Jin Jung , Hyune O Yoo
摘要： An embodiment includes a bobbin provided at an outer circumferential surface thereof with a first coil, a first position sensor disposed on the outer circumferential surface of the bobbin and spaced apart from the first coil, a first magnet disposed so as to be opposite to the first position sensor, a second magnet disposed so as to be opposite to the first coil, the second magnet being configured to move the bobbin in a direction parallel to an optical axis via electromagnetic interaction with the first coil, a housing configured to support the first magnet and the second magnet; and upper and lower elastic members coupled to the bobbin and the housing, wherein the first position sensor is moved along with the bobbin.
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