Patents by Inventor Hyun O. Yoo
Hyun O. Yoo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250231373Abstract: A lens moving apparatus can include a cover member comprising an upper plate and a lateral plate extending from the upper plate, a bobbin disposed in the cover member, a coil disposed on the bobbin, a driving magnet disposed between the coil and the lateral plate of the cover member, and a sensing magnet disposed on the bobbin. Also, the lens moving apparatus can further include a circuit board disposed on the lateral plate of the cover member, and a position sensor disposed on the circuit board and configured to sense the sensing magnet, in which a part of the coil is disposed between the sensing magnet and the circuit board.Type: ApplicationFiled: April 4, 2025Publication date: July 17, 2025Applicant: LG INNOTEK CO., LTD.Inventors: Seong Min LEE, Sang Ok PARK, Hyune O YOO, Byung Wook SON, Jun Taek LEE
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Patent number: 12292617Abstract: The present embodiment relates to a lens driving device, and more particularly, to a lens driving device capable of reducing a focus alignment time of a lens by feeding back an amount of displacement in an optical axis direction of a lens while improving spatial efficiency of a bobbin. Specifically, the present embodiment includes a housing having a hollow column shape for supporting a driving magnet; At least one lens is installed inside, the outer peripheral surface is provided with a coil disposed inside the driving magnet, parallel to the optical axis inside the housing by electromagnetic interaction between the driving magnet and the coil a bobbin moving in a first direction; It relates to a lens driving device comprising a; displacement sensing unit for determining a first displacement value of the bobbin in the first direction.Type: GrantFiled: December 5, 2023Date of Patent: May 6, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Seong Min Lee, Sang Ok Park, Hyune O Yoo, Byung Wook Son, Jun Taek Lee
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Patent number: 11947183Abstract: An embodiment includes: a housing including an upper surface, a lower surface, an inner surface, and an outer surface located at the side opposite to the inner surface; a bobbin accommodated in the housing; a first coil disposed at an outer surface of the bobbin; a first magnet disposed at the outer surface of the housing; a second magnet disposed in the housing so as to be spaced apart from the first magnet; and a first position sensor disposed at the outer surface of the bobbin, wherein a first part of the housing is positioned between the second magnet and the inner surface of the housing.Type: GrantFiled: May 11, 2022Date of Patent: April 2, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Kyoung Ho Yoo, Hyune O Yoo
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Publication number: 20240103250Abstract: A lens moving apparatus can include a cover member comprising an upper plate and a lateral plate extending from the upper plate, a bobbin disposed in the cover member, a coil disposed on the bobbin, a driving magnet disposed between the coil and the lateral plate of the cover member, and a sensing magnet disposed on the bobbin. Also, the lens moving apparatus can further include a circuit board disposed on the lateral plate of the cover member, and a position sensor disposed on the circuit board and configured to sense the sensing magnet, in which a part of the coil is disposed between the sensing magnet and the circuit board.Type: ApplicationFiled: December 5, 2023Publication date: March 28, 2024Applicant: LG INNOTEK CO., LTD.Inventors: Seong Min LEE, Sang Ok PARK, Hyune O YOO, Byung Wook SON, Jun Taek LEE
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Patent number: 11874523Abstract: A lens moving apparatus can include a housing; a base disposed below the housing; a bobbin disposed inside the housing and configured to move in a first direction along or parallel with an optical axis within the housing; driving magnets disposed on the housing; a coil provided at an outer surface of the bobbin; an elastic member coupled to the bobbin and supporting the bobbin; a sensing magnet coupled to the bobbin; and a position sensor coupled to a printed circuit board, wherein the position sensor is configured to sense a displacement of the sensing magnet in the first direction, in which the bobbin includes a reception recess formed on the outer surface of the bobbin such that at least a part of the reception recess is located at an inside of the coil, the sensing magnet is disposed in the reception recess, and the position sensor is disposed on another side of the housing than sides on which the driving magnets are disposed.Type: GrantFiled: March 3, 2022Date of Patent: January 16, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Seong Min Lee, Sang Ok Park, Hyune O Yoo, Byung Wook Son, Jun Taek Lee
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Publication number: 20230393411Abstract: 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.Type: ApplicationFiled: August 23, 2023Publication date: December 7, 2023Inventors: Sang Ok PARK, Sang Jun MIN, Tae Jin JUNG, Hyune O YOO
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Patent number: 11809016Abstract: A camera module may comprise: a printed circuit board on which an image sensor is mounted; a holder member disposed above the printed circuit board and having a plurality of magnets installed thereon; a bobbin installed on the inside of the holder member to be capable of moving along an optical axis, and having a coil unit installed on the outer peripheral surface thereof to be capable of electrically interacting with the magnets; a plurality of receptacles formed in the peripheral surface of the bobbin to form spaces that are separated from the coil unit; and a cover member having a plurality of integrally formed inner yokes, which are formed at positions corresponding to the plurality of receptacles and have the surface on one side thereof separated a certain distance from the coil unit and the surface on the other side thereof separated a certain distance from the bobbin.Type: GrantFiled: June 3, 2021Date of Patent: November 7, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Sang Jun Min, Hyune O Yoo, Sung Guk Lee
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Patent number: 11774775Abstract: 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.Type: GrantFiled: May 17, 2022Date of Patent: October 3, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Tae Jin Jung, Hyune O Yoo
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Patent number: 11762216Abstract: A lens moving apparatus includes a bobbin including a first coil, a first magnet facing the first coil, a housing supporting the first magnet, upper and lower elastic members coupled to the bobbin and the housing, a base spaced apart from the housing, a second coil unit, which faces the first magnet and includes a second coil, a circuit board on which the second coil unit 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 circuit board, and a second sensor detecting displacement of the housing in the second and/or third directions, wherein the center of the second sensor is disposed so as not to overlap the second coil.Type: GrantFiled: April 8, 2020Date of Patent: September 19, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Sang Jun Min, Kyoung Ho Yoo, Hyune O Yoo
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Publication number: 20230161133Abstract: One embodiment of a lens driving apparatus may comprise: a bobbin having a first coil disposed on the outer circumferential surface thereof; a position detection sensor which is disposed on the outer circumferential surface of the bobbin and which moves together with the bobbin; a first magnet disposed opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members which are coupled to the bobbin and the housing; and a plurality of wirings which are disposed on the outer circumferential surface of the bobbin so as to electrically connect at least one of the upper or lower elastic members with the position detection sensor.Type: ApplicationFiled: January 11, 2023Publication date: May 25, 2023Inventors: Sang Ok Park, Hyune O Yoo, Seong Min Lee
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Patent number: 11579402Abstract: One embodiment of a lens driving apparatus may comprise: a bobbin having a first coil disposed on the outer circumferential surface thereof; a position detection sensor which is disposed on the outer circumferential surface of the bobbin and which moves together with the bobbin; a first magnet disposed opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members which are coupled to the bobbin and the housing; and a plurality of wirings which are disposed on the outer circumferential surface of the bobbin so as to electrically connect at least one of the upper or lower elastic members with the position detection sensor.Type: GrantFiled: September 28, 2020Date of Patent: February 14, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Hyune O Yoo, Seong Min Lee
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Publication number: 20220276500Abstract: 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.Type: ApplicationFiled: May 17, 2022Publication date: September 1, 2022Inventors: Sang Ok Park, Sang Jun Min, Tae Jin Jung, Hyune O Yoo
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Publication number: 20220269036Abstract: An embodiment includes: a housing including an upper surface, a lower surface, an inner surface, and an outer surface located at the side opposite to the inner surface; a bobbin accommodated in the housing; a first coil disposed at an outer surface of the bobbin; a first magnet disposed at the outer surface of the housing; a second magnet disposed in the housing so as to be spaced apart from the first magnet; and a first position sensor disposed at the outer surface of the bobbin, wherein a first part of the housing is positioned between the second magnet and the inner surface of the housing.Type: ApplicationFiled: May 11, 2022Publication date: August 25, 2022Inventors: Sang Ok Park, Sang Jun Min, Kyoung Ho Yoo, Hyune O. Yoo
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Publication number: 20220187564Abstract: A lens moving apparatus can include a housing; a base disposed below the housing; a bobbin disposed inside the housing and configured to move in a first direction along or parallel with an optical axis within the housing; driving magnets disposed on the housing; a coil provided at an outer surface of the bobbin; an elastic member coupled to the bobbin and supporting the bobbin; a sensing magnet coupled to the bobbin; and a position sensor coupled to a printed circuit board, wherein the position sensor is configured to sense a displacement of the sensing magnet in the first direction, in which the bobbin includes a reception recess formed on the outer surface of the bobbin such that at least a part of the reception recess is located at an inside of the coil, the sensing magnet is disposed in the reception recess, and the position sensor is disposed on another side of the housing than sides on which the driving magnets are disposed.Type: ApplicationFiled: March 3, 2022Publication date: June 16, 2022Applicant: LG INNOTEK CO., LTD.Inventors: Seong Min LEE, Sang Ok PARK, Hyune O YOO, Byung Wook SON, Jun Taek LEE
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Patent number: 11360287Abstract: An embodiment includes: a housing including an upper surface, a lower surface, an inner surface, and an outer surface located at the side opposite to the inner surface; a bobbin accommodated in the housing; a first coil disposed at an outer surface of the bobbin; a first magnet disposed at the outer surface of the housing; a second magnet disposed in the housing so as to be spaced apart from the first magnet; and a first position sensor disposed at the outer surface of the bobbin, wherein a first part of the housing is positioned between the second magnet and the inner surface of the housing.Type: GrantFiled: July 9, 2020Date of Patent: June 14, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Kyoung Ho Yoo, Hyune O Yoo
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Patent number: 11360321Abstract: 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.Type: GrantFiled: December 10, 2019Date of Patent: June 14, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Tae Jin Jung, Hyune O Yoo
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Patent number: 11294142Abstract: A lens moving apparatus can include a housing; a base disposed below the housing; a bobbin disposed inside the housing and configured to move in a first direction along or parallel with an optical axis within the housing; driving magnets disposed on the housing; a coil provided at an outer surface of the bobbin; an elastic member coupled to the bobbin and supporting the bobbin; a sensing magnet coupled to the bobbin; and a position sensor coupled to a printed circuit board, wherein the position sensor is configured to sense a displacement of the sensing magnet in the first direction, in which the bobbin includes a reception recess formed on the outer surface of the bobbin such that at least a part of the reception recess is located at an inside of the coil, the sensing magnet is disposed in the reception recess, and the position sensor is disposed on another side of the housing than sides on which the driving magnets are disposed.Type: GrantFiled: February 20, 2020Date of Patent: April 5, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Seong Min Lee, Sang Ok Park, Hyune O Yoo, Byung Wook Son, Jun Taek Lee
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Publication number: 20210294072Abstract: A camera module may comprise: a printed circuit board on which an image sensor is mounted; a holder member disposed above the printed circuit board and having a plurality of magnets installed thereon; a bobbin installed on the inside of the holder member to be capable of moving along an optical axis, and having a coil unit installed on the outer peripheral surface thereof to be capable of electrically interacting with the magnets; a plurality of receptacles formed in the peripheral surface of the bobbin to form spaces that are separated from the coil unit; and a cover member having a plurality of integrally formed inner yokes, which are formed at positions corresponding to the plurality of receptacles and have the surface on one side thereof separated a certain distance from the coil unit and the surface on the other side thereof separated a certain distance from the bobbin.Type: ApplicationFiled: June 3, 2021Publication date: September 23, 2021Inventors: Sang Jun MIN, Hyune O YOO, Sung Guk LEE
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Patent number: 11054608Abstract: A camera module may comprise: a printed circuit board on which an image sensor is mounted; a holder member disposed above the printed circuit board and having a plurality of magnets installed thereon; a bobbin installed on the inside of the holder member to be capable of moving along an optical axis, and having a coil unit installed on the outer peripheral surface thereof to be capable of electrically interacting with the magnets; a plurality of receptacles formed in the peripheral surface of the bobbin to form spaces that are separated from the coil unit; and a cover member having a plurality of integrally formed inner yokes, which are formed at positions corresponding to the plurality of receptacles and have the surface on one side thereof separated a certain distance from the coil unit and the surface on the other side thereof separated a certain distance from the bobbin.Type: GrantFiled: December 5, 2018Date of Patent: July 6, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Sang Jun Min, Hyune O Yoo, Sung Guk Lee
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Publication number: 20210011252Abstract: One embodiment of a lens driving apparatus may comprise: a bobbin having a first coil disposed on the outer circumferential surface thereof; a position detection sensor which is disposed on the outer circumferential surface of the bobbin and which moves together with the bobbin; a first magnet disposed opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members which are coupled to the bobbin and the housing; and a plurality of wirings which are disposed on the outer circumferential surface of the bobbin so as to electrically connect at least one of the upper or lower elastic members with the position detection sensor.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Inventors: Sang Ok PARK, Hyune O YOO, Seong Min LEE