Search Patents
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Patent number: 10587179Abstract: The VCM according to an exemplary embodiment of the present disclosure includes a base unit, a mover including a bobbin arranged at an upper surface of the base unit and formed with a plurality of rotation prevention units along a periphery and a first driving unit arranged at a periphery of the bobbin, a stator including a yoke configured to the base unit to surround the mover and inner yoke units each extended to between the rotation prevention units, and a second driving unit oppositely arranged to the first driving unit, and an elastic member elastically supporting the mover, wherein an object occurrence preventing portion is formed between the rotation prevention unit and the inner yoke units to decrease a contact area between the rotation prevention unit and the inner yoke units.Type: GrantFiled: February 7, 2019Date of Patent: March 10, 2020Assignee: LG INNOTEK CO., LTD.Inventor: Tae Jin Jung
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Patent number: 10935751Abstract: An embodiment comprises: a housing comprising a plurality of protrusions arranged on the upper surface thereof; a magnet arranged on a side portion of the housing; a bobbin having a first coil arranged on the outer peripheral surface thereof, the bobbin being configured to move by means of an interaction between the magnet and the first coil; an upper elastic member coupled to the bobbin and to the housing; and a sensing coil arranged on the side portion of the housing between the protrusions and the magnet, the sensing coil being configured to generate an induction voltage by means of an interaction with the first coil, wherein at least a part of the upper elastic member is arranged on the upper surface of the housing between the protrusions.Type: GrantFiled: March 8, 2017Date of Patent: March 2, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Seung Taek Shin, Jin Suk Han
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Publication number: 20110170205Abstract: Provided are a lens driving motor and an elastic member of the lens driving motor. The elastic member of a lens driving motor, the elastic member includes a first spring and a second spring. The second spring is different from the first spring and disposed together with the first spring on one side of a carrier to support the carrier. A first lead line of a coil and a first external power source are connected to the first spring, and a second lead line of the coil and a second external power source are connected to the second spring to supply power to the coil. Since the carrier can be assembled to other part after a (+) lead line and a (?) lead line of the coil are connected to the first and second springs, respectively, using solder, a process is simple and convenient.Type: ApplicationFiled: March 18, 2011Publication date: July 14, 2011Applicant: LG INNOTEK CO., LTD.Inventor: Soo Jin Jung
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Patent number: 8947545Abstract: The present disclosure relates to a camera module including: an auto focusing module upping and downing a lens; a hand-shaking correction module wrapping the auto focusing module to correct a hand-shaking by horizontally tilting the auto focusing module; a circuit substrate electrically connected to the hand-shaking correction module and the auto focusing module; a bottom case supporting the circuit substrate to be coupled to the auto focusing module; and a main circuit substrate secured to the bottom case to be electrically connected to the image sensor module, wherein the main circuit substrate is formed with oblong symmetrical openings along an edge of the main circuit substrate.Type: GrantFiled: June 1, 2012Date of Patent: February 3, 2015Assignee: LG Innotek Co., Ltd.Inventor: Jinsuk Han
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Patent number: 11474369Abstract: A lens moving device is provided. The lens moving device includes: a bobbin; a first driving unit coupled to the bobbin; a second driving unit configured to move the first driving unit through an electromagnetic interaction with the first driving unit; a sensing magnet disposed on one side of the bobbin; a location detection sensor configured to sense a location of the sensing magnet; and a correction magnet disposed on an opposite side of the bobbin. According to the present disclosure, static tilt and dynamic tilt of the bobbin, to which a lens module is to be coupled, may be enhanced by a sensing magnet and a correction magnet which establish magnetic force equilibrium with each other.Type: GrantFiled: June 18, 2020Date of Patent: October 18, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Jin Suk Han, In Jae Yeo, Jae Hong Cho
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Patent number: 11086098Abstract: 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.Type: GrantFiled: November 15, 2019Date of Patent: August 10, 2021Assignee: LG INNOTEK CO., LTD.Inventor: Jun Taek Lee
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Patent number: 9977218Abstract: A lens driving device is provided, including: a holder member; a bobbin disposed at an inner side of the holder member; a magnet disposed at the holder member; a first coil unit disposed at the bobbin, and facing the magnet; a first support member coupled to the holder member and the bobbin; and a detection sensor disposed at the bobbin, and configured to detect magnetic force of the magnet, wherein the magnet includes a facing surface and an opposite surface disposed at an opposite side of the facing surface, wherein a polarity of the facing surface and a polarity of the opposite surface are different from each other, wherein a polarity of an upper portion of the facing surface and a polarity of a lower portion of the facing surface are different from each other. According to an embodiment, Hall output detected by the detection sensor can be enhanced.Type: GrantFiled: January 22, 2016Date of Patent: May 22, 2018Assignee: LG INNOTEK CO., LTD.Inventor: Jun Taek Lee
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Patent number: 9618722Abstract: 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.Type: GrantFiled: January 28, 2016Date of Patent: April 11, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Sang Hee Lee
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Patent number: 10598954Abstract: A lens driving device is proposed, including a cover can whose upper side surface includes an opening formed to expose a lens and whose side surface extends from the upper side surface to a base, a base that is secured to the cover can; a housing that is arranged on top of the base and moves in first and second directions that are perpendicular to an optical axis, a bobbin that is housed in the housing and moves in an optical axis direction, an actuator that includes a magnet unit arranged in the housing, a first coil unit arranged in an outer side surface of the bobbin, and a second coil unit that is arranged on top of the base, and a substrate that is disposed between the second coil unit and the base so as to control the first coil unit and the second coil unit.Type: GrantFiled: March 11, 2019Date of Patent: March 24, 2020Assignee: LG INNOTEK CO., LTD.Inventor: In Jae Yeo
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Patent number: 11841546Abstract: A lens moving apparatus includes a base comprising a body and a post extending upward from an upper surface of the body; a bobbin disposed on the body; a magnet disposed on the bobbin; and a coil disposed to correspond to the magnet and configured to move the bobbin in a direction parallel to an optical axis by an interaction with the magnet; and a rolling member disposed between the bobbin and the post of the base. The post includes a groove having an opening spaced from opposite ends of the groove, and the rolling member is disposed in the groove of the post, and the opening is configured to expose a portion of the rolling member. The bobbin includes a support extending into the opening so as to be in contact with the rolling member.Type: GrantFiled: September 1, 2022Date of Patent: December 12, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Sung Guk Lee, Sang Jun Min, Tae Jin Jung
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Publication number: 20120069461Abstract: 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.Type: ApplicationFiled: November 22, 2011Publication date: March 22, 2012Applicant: LG INNOTEK CO., LTD.Inventors: SANG OK PARK, Sang Jun Min, Sang Hee Lee
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Patent number: 10502923Abstract: Embodiments provide a lens driving unit including a base, a housing supported so as to be movable relative to the base, a magnet located on the housing, a pattern coil part including a pattern coil that is located opposite the magnet, the pattern coil part being located on the base, and a sensor part mounted to the pattern coil part for sensing a position or movement of the housing, and the pattern coil part includes a first layer and a second layer stacked on the first layer, the sensor part being mounted underneath the first layer, and the pattern coil being formed on the second layer. Thereby, manufacturing costs may be reduced owing to a reduction in the number of elements, processes, and process management points.Type: GrantFiled: August 23, 2018Date of Patent: December 10, 2019Assignee: LG Innotek Co., Ltd.Inventors: Tae Bong Park, Sung Guk Lee
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Publication number: 20110170204Abstract: 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.Type: ApplicationFiled: March 18, 2011Publication date: July 14, 2011Applicant: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Sang Hee Lee
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Publication number: 20120008221Abstract: A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a cylindrical bobbin for accommodating a lens and protruded at a bottom end with a boss, and a coil block arranged at a periphery of the bobbin; a stator including a magnet facing the coil block and a yoke fixing the magnet; and an elastic member including a first elastic member formed with a through hole coupled to the boss of the bobbin and a second elastic member coupled to an upper end facing the bottom end of the bobbin; wherein the boss is formed with a disengagement prevention unit preventing the first elastic member from being disengaged from the boss, and the first elastic member is formed with a coupling unit contacting a joint where the disengagement prevention unit and the coupling unit meet.Type: ApplicationFiled: July 12, 2011Publication date: January 12, 2012Applicant: LG Innotek Co., Ltd.Inventors: Sangjun Min, Sanghee Lee, Hyuneo Yoo, Seungki Kim, Jinsuk Han
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Patent number: 9563067Abstract: A camera module according to an embodiment of the present invention may include a first Printed Circuit Board (PCB) configured to have an image sensor mounted thereon; a housing unit disposed over the first PCB; a holder module spaced apart from a bottom surface within the housing unit at a specific interval and configured to have a first coil wound on its outer circumferential face and to include at least lens therein; a second PCB combined with the bottom surface of the holder module; a third PCB disposed over the holder module; and a plurality of wire springs each configured to have one end connected to the second PCB and the other end connected to the third PCB.Type: GrantFiled: June 11, 2015Date of Patent: February 7, 2017Assignee: LG Innotek Co., Ltd.Inventors: Minsoo Kim, Seongcheol Jeong, Taemin Ha, Seonyoung Kim, Junghyun Lee
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Patent number: 10778078Abstract: Disclosed is a voice coil motor, the motor including a mover having a bobbin equipped with a lens and a coil block secured to an outer circumference of the bobbin; a stator having a magnet that is disposed in such a way as to face the coil block; elastic members coupled to a lower end of the bobbin and connected to both ends of the coil block; a base supporting the elastic members and the stator; and a cover can covering the mover, the stator and the base, with an opening being formed in the cover can to expose the lens therethrough, wherein each of the elastic members includes a terminal portion that extends between the cover can and a side surface of the base, the terminal portion including a short-circuit prevention portion so as to inhibit a short-circuit between the terminal portion and the cover can.Type: GrantFiled: August 21, 2019Date of Patent: September 15, 2020Assignee: LG INNOTEK CO., LTD.Inventor: Sanghee Lee
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Patent number: 11493725Abstract: The present embodiment relates to a dual camera module, in which a first lens driving device is spaced apart from and arranged in parallel with a second lens driving device, a first Hall sensor of the first lens driving device is disposed is disposed at a corner portion which is spaced most apart from a second sensing magnet of the second lens driving device, among a plurality of corner portions of a first housing; and a second Hall sensor of the second lens driving device is disposed at a corner portion which is spaced most apart from the first Hall sensor, among a plurality of corner portions of a second housing.Type: GrantFiled: July 14, 2017Date of Patent: November 8, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Seong Min Lee
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Patent number: 11822101Abstract: A liquid lens module includes a liquid lens comprising “M” individual electrode sectors (where “M” is a positive integer of 2 or greater) and “N” common electrode sectors (where “N” is a positive integer of 1 or greater); an upper cover comprising first to Mth individual terminals electrically connected to the first to Mth individual electrode sectors, respectively, and exposed in a first direction perpendicular to an optical axis of an image sensor; and a lower cover configured to surround the liquid upper cover, the lower cover comprising first to nth common terminals (where 1?n?N) electrically connected to the first to Nth common electrode sectors, respectively, and exposed in the first direction.Type: GrantFiled: January 21, 2019Date of Patent: November 21, 2023Assignee: LG INNOTEK CO., LTD.Inventor: Yong Bok Choi
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Patent number: 8810936Abstract: A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a cylindrical bobbin for accommodating a lens and protruded at a bottom end with a boss, and a coil block arranged at a periphery of the bobbin; a stator including a magnet facing the coil block and a yoke fixing the magnet; and an elastic member including a first elastic member formed with a through hole coupled to the boss of the bobbin and a second elastic member coupled to an upper end facing the bottom end of the bobbin; wherein the boss is formed with a disengagement prevention unit preventing the first elastic member from being disengaged from the boss, and the first elastic member is formed with a coupling unit contacting a joint where the disengagement prevention unit and the coupling unit meet.Type: GrantFiled: July 12, 2011Date of Patent: August 19, 2014Assignee: LG Innotek Co., Ltd.Inventors: Sangjun Min, Sanghee Lee, Hyuneo Yoo, Seungki Kim, Jinsuk Han
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Patent number: 8519574Abstract: Provided are a lens driving motor and an elastic member of the lens driving motor. The elastic member of a lens driving motor, the elastic member includes a first spring and a second spring. The second spring is different from the first spring and disposed together with the first spring on one side of a carrier to support the carrier. A first lead line of a coil and a first external power source are connected to the first spring, and a second lead line of the coil and a second external power source are connected to the second spring to supply power to the coil. Since the carrier can be assembled to other part after a (+) lead line and a (?) lead line of the coil are connected to the first and second springs, respectively, using solder, a process is simple and convenient.Type: GrantFiled: October 15, 2012Date of Patent: August 27, 2013Assignee: LG Innotek Co., Ltd.Inventor: Soo Jin Jung