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公开(公告)号：US11320624B2
公开(公告)日：2022-05-03
申请号：US16289466
申请日：2019-02-28
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Byung Wook Son , Seong Min Lee , Jun Taek Lee
IPC分类号： G02B7/04 , G02B7/08 , G03B3/10 , H02K41/035
摘要： A lens driving device according to an embodiment comprises: a movable unit on which at least one lens is mounted; a first coil and a driving magnet which face and interact with each other such that the movable unit is moved in the optical axis direction of the lens; a position sensor for sensing the position of the movable unit in the optical axis direction or a driver comprising the position sensor; and a positively magnetized magnet arranged to face the position sensor or the driver, wherein the positively magnetized magnet comprises a first side surface, which faces the position sensor and has a first polarity, and a second side surface, which faces the position sensor, which is arranged to be spaced from the first side surface in a direction parallel with the optical axis direction or arranged to abut the first side surface, and which has a second polarity that is the opposite of the first polarity of the first side surface, and the length of the first side surface in the optical axis direction may be equal to or larger than the length of the second side surface in the optical axis direction.
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公开(公告)号：US20220113494A1
公开(公告)日：2022-04-14
申请号：US17645421
申请日：2021-12-21
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Jun Taek Lee , Byung Wook Son , Sang Jun Min , Kyoung Ho Yoo
摘要： Embodiments provide a lens moving apparatus including a bobbin including a first coil disposed on an outer circumferential surface thereof, a housing provided with first and second magnets for moving the bobbin by interaction with the first coil, upper and lower elastic members each coupled to both the bobbin and the housing, and a first position sensor for detecting a sum of intensities of magnetic fields of the first and second magnets, wherein the first position sensor is disposed in a space between the first magnet and the second magnet when the bobbin is disposed at an initial position.
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公开(公告)号：US11237352B2
公开(公告)日：2022-02-01
申请号：US16727107
申请日：2019-12-26
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Jun Taek Lee , Byung Wook Son , Sang Jun Min , Kyoung Ho Yoo
摘要： Embodiments provide a lens moving apparatus including a bobbin including a first coil disposed on an outer circumferential surface thereof, a housing provided with first and second magnets for moving the bobbin by interaction with the first coil, upper and lower elastic members each coupled to both the bobbin and the housing, and a first position sensor for detecting a sum of intensities of magnetic fields of the first and second magnets, wherein the first position sensor is disposed in a space between the first magnet and the second magnet when the bobbin is disposed at an initial position.
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公开(公告)号：US11156851B2
公开(公告)日：2021-10-26
申请号：US16241346
申请日：2019-01-07
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Byung Wook Son , Kyoung Ho Yoo , Jun Taek Lee
摘要： Disclosed is a lens moving apparatus. The lens moving apparatus includes a moving unit having at least one lens installed therein and moving by electromagnetic interaction between magnets and coils, elastic members configured to support the moving unit, and position sensors configured to sense change of electromagnetic force emitted from the magnets according to movement of the moving unit and to output an output signal based on a result of sensing, and a primary resonant frequency of frequency response characteristics according to gain of a ratio of the output signal of the position sensors to an input signal applied to the coils is 30 Hz to 200 Hz.
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公开(公告)号：US11086098B2
公开(公告)日：2021-08-10
申请号：US16685286
申请日：2019-11-15
申请人： LG INNOTEK CO., LTD.
发明人： Jun Taek Lee
IPC分类号： G02B7/09 , G03B5/00 , G03B3/10 , H04N5/225 , G03B17/02 , G02B27/64 , H04N5/232 , G02B7/08 , G03B19/22 , G03B13/36 , H04N5/247
摘要： The present embodiment relates to a dual camera module comprising: a substrate; a first image sensor disposed on the substrate; a second image sensor disposed on the substrate while being spaced apart from the first image sensor; a housing disposed on the upper side of the substrate; a first bobbin disposed on the upper side of the first image sensor inside the housing; a second bobbin disposed on the upper side of the second image sensor inside the housing; a first coil disposed in the first bobbin; a second coil disposed in the second bobbin; and a first magnet which is disposed between the first coil and the second coil and faces the first coil and the second coil.
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公开(公告)号：USRE48667E1
公开(公告)日：2021-08-03
申请号：US16655943
申请日：2019-10-17
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Byung Wook Son , Seong Min Lee , Jun Taek Lee
摘要： A lens driving device according to an embodiment comprises: a movable unit on which at least one lens is mounted; a first coil and a driving magnet which face and interact with each other such that the movable unit is moved in the optical axis direction of the lens; a position sensor for sensing the position of the movable unit in the optical axis direction or a driver comprising the position sensor; and a positively magnetized magnet arranged to face the position sensor or the driver, wherein the positively magnetized magnet comprises a first side surface, which faces the position sensor and has a first polarity, and a second side surface, which faces the position sensor, which is arranged to be spaced from the first side surface in a direction parallel with the optical axis direction or arranged to abut the first side surface, and which has a second polarity that is the opposite of the first polarity of the first side surface, and the length of the first side surface in the optical axis direction may be equal to or larger than the length of the second side surface in the optical axis direction.
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公开(公告)号：US11005353B2
公开(公告)日：2021-05-11
申请号：US16580627
申请日：2019-09-24
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Kyoung Ho Yoo , Sung Guk Lee , Seong Min Lee , Jun Taek Lee , Byung Wook Son
IPC分类号： H02K41/035 , H02K33/18 , G03B3/10 , H02K11/21 , G02B27/08 , G02B7/09 , G02B27/64 , G03B13/36
摘要： A lens moving apparatus, according to one embodiment, comprises: a bobbin having a first coil installed on the outer circumferential surface thereof; a location detection sensor equipped to the bobbin; a housing in which the bobbin is provided; an upper elastic member disposed on the upper side of the housing; and a support member that supports the housing such that the housing can move in a second or third direction that is perpendicular to a first direction, wherein the upper elastic member is divided into a plurality of parts, at least two of which are disposed parallel to each other on the x-y plane in the second or third direction and are disposed such that end portions thereof face each other.
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公开(公告)号：US10830980B2
公开(公告)日：2020-11-10
申请号：US16069112
申请日：2017-01-11
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Byung Wook Son , Sang Jun Min , Jun Taek Lee
IPC分类号： G02B7/02 , G02B7/09 , G03B5/00 , H02K1/17 , H04N5/225 , G02B5/20 , G03B3/10 , G02B7/105 , G02B23/16
摘要： A lens driving device including a cover member; a housing disposed in the cover member; a bobbin disposed in the housing; a first coil disposed on the bobbin; a first magnet coupled to the housing; an upper elastic member coupled to the bobbin and the housing; a base disposed below the housing and coupled to the cover member; a substrate disposed between the housing and the base and including a circuit member having a second coil disposed to be opposite to the first magnet; and a plurality of support members connecting the upper elastic member and the substrate is provided. The support members are connected to the upper elastic member at a position where a length in the x direction and a length in the y direction are different on the basis of the edge of the upper elastic member.
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公开(公告)号：US10721383B2
公开(公告)日：2020-07-21
申请号：US16241297
申请日：2019-01-07
申请人： LG INNOTEK CO., LTD.
发明人： Sang Ok Park , Seong Min Lee , Jun Taek Lee , Byung Wook Son
摘要： A camera module includes a PCB (Printed Circuit Board) installed with an image sensor, a base mounted on the PCB, and a bobbin reciprocatingly mounted above the base. A bottom elastic member is fixed to the base to support the bobbin, and a terminal is installed at the base, one end of which is conductively connected to the PCB and the other end of which is conductively connected to the bottom elastic member at a solder part. A solder cut-off part is formed at the base to cut off movement of overflowing solder from the solder part.
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公开(公告)号：US10578828B2
公开(公告)日：2020-03-03
申请号：US15156946
申请日：2016-05-17
申请人： LG Innotek Co., Ltd.
发明人： Jun Taek Lee , Sang Ok Park , Byung Wook Son , Seong Min Lee
摘要： Embodiments provide a lens moving apparatus including housing to support a driving magnet, a bobbin provided at an outer circumferential surface thereof with a coil located inside the driving magnet, the bobbin being moved in a first direction parallel to an optical axis within the housing via electromagnetic interaction between the driving magnet and the coil, a lower elastic member to connect a lower portion of the housing and a lower portion of the bobbin to each other, both ends of the coil being electrically connected to the lower elastic member, the lower elastic member having a first terminal electrically connected to an external power source so as to supply external power to the ends of the coil, and a printed circuit board provided at one side surface of the housing, the printed circuit board having a second terminal electrically connected to the external power source.
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