Patents by Inventor Tae Bong Park
Tae Bong Park 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: 20220350223Abstract: A lens moving apparatus includes a substrate; a housing having a first side part and second side part facing each other and a third side part and fourth side part facing each other; a bobbin arranged inside the housing; a first coil arranged on the bobbin; and a magnet arranged in the housing. The substrate includes a second coil facing the magnet. The magnet includes a first magnet arranged on the first side part of the housing, a second magnet arranged on the second side part of the housing, and a third magnet arranged on the third side part of the housing. The second coil includes a first coil unit facing the first magnet, a second coil unit facing the second magnet, and a third coil unit facing the third magnet. The first to third coil units each includes a line having a plurality of turns.Type: ApplicationFiled: July 12, 2022Publication date: November 3, 2022Applicant: LG INNOTEK CO., LTD.Inventors: Tae Bong PARK, Seung Hak LEE
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Patent number: 11480848Abstract: An embodiment comprises: a housing; a bobbin, accommodated inside the housing, for mounting a lens; a first coil arranged on an outer peripheral surface of the bobbin; magnets arranged in the housing; a coil board that comprises second coils arranged below the housing and arranged so as to be spaced from each other, and connection parts connected to the second coils; a circuit board, which is arranged below the coil board and comprises first pad parts arranged at locations corresponding to the connection parts; and a conductive adhesive member for bonding the connection part and the first pad part, which correspond to each other, wherein each of the connection parts comprises a groove part depressed from the outer surface of the coil board, and exposing any one corresponding upper surface among the first pad parts, and a bonding part prepared around the groove part, and the conductive adhesive member is arranged on the upper surface of the bonding part and on the upper surface of the first pad part exposed byType: GrantFiled: November 18, 2020Date of Patent: October 25, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Tae Bong Park, Jun Taek Lee
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Publication number: 20220283403Abstract: An exemplary embodiment of the present invention relates to a lens driving device, comprising: a base including a support part upwardly protruded; a movable unit spaced from the base and movably disposed at an upper side of the base; and a damper contacted with the support part and the movable unit.Type: ApplicationFiled: May 25, 2022Publication date: September 8, 2022Inventors: Seung Taek SHIN, Jin Suk HAN, Tae Bong PARK
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Patent number: 11415861Abstract: One embodiment comprises: a substrate; a housing comprising a first side part and second side part facing each other and a third side part and fourth side part facing each other; a bobbin arranged inside the housing; a first coil arranged on the bobbin; and a magnet arranged in the housing, wherein the substrate comprises a second coil facing the magnet, the magnet comprises a first magnet arranged on the first side part of the housing, a second magnet arranged on the second side part of the housing, and a third magnet arranged on the third side part of the housing, the second coil comprises a first coil unit facing the first magnet, a second coil unit facing the second magnet, and a third coil unit facing the third magnet, the first to third coil units each comprises a line having a plurality of turns, and the width of the line of the third coil unit is narrower than the width of the line of the first coil unit.Type: GrantFiled: May 10, 2019Date of Patent: August 16, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Tae Bong Park, Seung Hak Lee
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Publication number: 20220255414Abstract: The present embodiment relates to a lens driving device which includes: a substrate; a housing; a bobbin; a sensing coil; a first magnet; a second magnet; a third magnet; a dummy member; a first coil that includes a first coil unit and a second coil unit; and a first position sensor that is disposed on the substrate and corresponds to the sensing coil, wherein the first magnet and the second magnet are positioned on opposite sides from each other, the third magnet and the dummy member are positioned on opposite sides from each other, the sensing coil is provided with a driving signal, and the first position sensor senses the strength of the magnetic field of the sensing coil and outputs an output signal.Type: ApplicationFiled: August 6, 2020Publication date: August 11, 2022Applicant: LG INNOTEK CO., LTD.Inventors: Jung Cheol KIM, Tae Bong PARK
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Publication number: 20220206364Abstract: An embodiment comprises: a housing; a bobbin disposed in the housing; a coil coupled to the bobbin; a magnet which is disposed in the housing and faces the coil; a base disposed to be spaced apart from the bobbin; a lower elastic member including a first elastic member, a second elastic member, a third elastic member, and a fourth elastic member, which are coupled to the bobbin and disposed on the base; and a sensing coil which is disposed in the housing and generates an induced voltage by an interaction with the coil, wherein a corner of the base and a corner of the housing form a coupling area where the corners are coupled to each other, and the sensing coil comprises a portion disposed outside the coupling area.Type: ApplicationFiled: May 11, 2020Publication date: June 30, 2022Applicant: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Kyung Hwan Kim, Tae Bong Park, Jung Cheol Kim
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Publication number: 20220196888Abstract: An embodiment comprises: a substrate; a sensor base disposed on the substrate; a lens holder disposed on the sensor base; a lens barrel coupled to the lens holder; and a first lens part disposed inside the lens barrel, wherein: the first lens part comprises a holder, a liquid lens disposed inside the holder and including an upper electrode and a lower electrode, and a terminal disposed in the holder and electrically connected to the upper and lower electrodes; the upper electrode comprises a first upper electrode, a second upper electrode, a third upper electrode, and a fourth upper electrode, which are spaced apart from each other; the lower electrode comprises a first lower electrode, a second lower electrode, a third lower electrode, and a fourth lower electrode, which are spaced apart from each other; and the first lower electrode is a first common electrode for the upper electrode, and the second lower electrode is a second common electrode for the third lower electrode and the fourth lower electrode.Type: ApplicationFiled: March 30, 2020Publication date: June 23, 2022Inventors: Tae Bong Park, Hyun Soo Kim
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Patent number: 11347023Abstract: An exemplary embodiment of the present invention relates to a lens driving device, comprising: a base including a support part upwardly protruded; a movable unit spaced from the base and movably disposed at an upper side of the base; and a damper contacted with the support part and the movable unit.Type: GrantFiled: October 15, 2020Date of Patent: May 31, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Seung Taek Shin, Jin Suk Han, Tae Bong Park
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Publication number: 20220155554Abstract: 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: ApplicationFiled: February 4, 2022Publication date: May 19, 2022Inventors: Tae Bong Park, Sung Guk Lee
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Publication number: 20220146851Abstract: A lens moving apparatus including: a housing having a recess; a bobbin disposed in the housing; a first coil unit disposed at the bobbin; a magnet disposed at the housing and facing the first coil unit; an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing; a circuit board disposed under the housing; a second coil unit disposed on the circuit board and facing the magnet; and a support member electrically connecting the upper elastic member and the circuit board, wherein a portion of the support member is disposed in the recess of the housing, wherein the housing comprises a protrusion extending upwards from an upper surface thereof, and the protrusion is positioned farther from a center of the housing than the recess of the housing when viewed from a top.Type: ApplicationFiled: January 24, 2022Publication date: May 12, 2022Applicant: LG INNOTEK CO., LTD.Inventors: Tae Bong PARK, Jun Taek LEE, Kyoung Ho YOO, Seung Taek SHIN, Jin Suk HAN
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Publication number: 20220137324Abstract: The present embodiments relates to a lens driving device including: a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; a first magnet which is disposed on the housing and faces the coil; a second magnet disposed on the bobbin; and a sensor which is disposed on the housing and faces the second sensor, wherein the sensor includes an upper surface, a lower surface disposed opposite the upper surface, an inner surface facing the second magnet, an outer surface disposed opposite the inner surface, and both lateral surfaces connecting the inner surface with the outer surface, the upper surface and the lower surface of the sensor are fixed to the housing, and one of the side surfaces of the sensor is opened.Type: ApplicationFiled: January 13, 2022Publication date: May 5, 2022Applicant: LG INNOTEK CO., LTD.Inventors: Jung Cheol KIM, Jin Suk HAN, Sang Ok PARK, Tae Bong PARK, Seung Taek SHIN
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Publication number: 20220141358Abstract: An embodiment comprises: a housing; a bobbin disposed in the housing; a first coil disposed on the bobbin; a magnet disposed on the housing; a first sensing coil, disposed on the housing, for generating a first induced voltage by interacting with the first coil; a first circuit board connected to the first coil and the first sensing coil; and a first amplifier, disposed on the first circuit board, for amplifying the first induced voltage of the first sensing coil and outputting a first amplified signal.Type: ApplicationFiled: January 12, 2022Publication date: May 5, 2022Inventors: Tae Bong Park, Sang Ok Park
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Patent number: 11280979Abstract: The present embodiments relates to a lens driving device comprising: a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; a first magnet which is disposed on the housing and faces the coil; a second magnet disposed on the bobbin; and a sensor which is disposed on the housing and faces the second sensor, wherein the sensor comprises an upper surface, a lower surface disposed opposite the upper surface, an inner surface facing the second magnet, an outer surface disposed opposite the inner surface, and both lateral surfaces connecting the inner surface with the outer surface, the upper surface and the lower surface of the sensor are fixed to the housing, and one of the side surfaces of the sensor is opened.Type: GrantFiled: April 17, 2020Date of Patent: March 22, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Jung Cheol Kim, Jin Suk Han, Sang Ok Park, Tae Bong Park, Seung Taek Shin
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Patent number: 11275228Abstract: 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: December 30, 2020Date of Patent: March 15, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Tae Bong Park, Sung Guk Lee
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Publication number: 20220060629Abstract: Embodiments provide a lens moving apparatus including a bobbin having a lens barrel, a housing configured to accommodate the bobbin, an upper elastic member coupled to the bobbin and the housing, a lower elastic member coupled to the bobbin and the housing, a first coil disposed on the bobbin, a first magnet disposed on the housing, a circuit board disposed below the housing, a second coil disposed on the circuit board, a first sensor to output a first output signal based on a sensed result of a magnetic field strength of the first magnet, a first capacitor connected in parallel to the first sensor.Type: ApplicationFiled: November 3, 2021Publication date: February 24, 2022Inventors: Tae Bong Park, Jin Suk Han, Jung Cheol Kim
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Patent number: 11256109Abstract: One embodiment includes: a housing; a bobbin arranged in the housing so as to mount a lens therein; a magnet arranged in the housing; a first coil, which is arranged in the bobbin and moves in the optical axial direction according to an interaction with the magnet; an elastic member coupled with the bobbin and the housing; a second coil to which a first drive signal is applied, and moving the housing in a direction perpendicular to the optical axial direction according to the interaction with the magnet; a location sensor for sensing the strength of the magnetic field of the magnet according to the movement of the housing; and a third coil to which a second drive signal is applied, and is arranged in correspondence with the location sensor, wherein a first magnetic field, of the second coil, which is generated by the first drive signal, and a second magnetic field, of the third coil, which is generated by the second drive signal, are generated in directions offsetting each other.Type: GrantFiled: July 20, 2020Date of Patent: February 22, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Tae Bong Park, Jun Taek Lee, Kyoung Ho Yoo, Seung Taek Shin, Jin Suk Han
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Patent number: 11258929Abstract: An embodiment comprises: a housing; a bobbin disposed in the housing; a first coil disposed on the bobbin; a magnet disposed on the housing; a first sensing coil, disposed on the housing, for generating a first induced voltage by interacting with the first coil; a first circuit board connected to the first coil and the first sensing coil; and a first amplifier, disposed on the first circuit board, for amplifying the first induced voltage of the first sensing coil and outputting a first amplified signal.Type: GrantFiled: February 2, 2021Date of Patent: February 22, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Tae Bong Park, Sang Ok Park
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Patent number: 11249278Abstract: The present embodiments relates to a lens driving device comprising: a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; a first magnet which is disposed on the housing and faces the coil; a second magnet disposed on the bobbin; and a sensor which is disposed on the housing and faces the second sensor, wherein the sensor comprises an upper surface, a lower surface disposed opposite the upper surface, an inner surface facing the second magnet, an outer surface disposed opposite the inner surface, and both lateral surfaces connecting the inner surface with the outer surface, the upper surface and the lower surface of the sensor are fixed to the housing, and one of the side surfaces of the sensor is opened.Type: GrantFiled: April 17, 2020Date of Patent: February 15, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Jung Cheol Kim, Jin Suk Han, Sang Ok Park, Tae Bong Park, Seung Taek Shin
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Publication number: 20220043235Abstract: An embodiment comprises: a housing; a bobbin disposed in the housing; a coil coupled to the bobbin; a magnet disposed at the housing and facing the coil; a base spaced apart from the bobbin; a lower elastic member including a first elastic member and a second elastic member which are coupled to the bobbin and arranged on the base; a first sensing coil disposed at the housing to interact with the coil to generate a first inductive voltage; a second sensing coil disposed at the base to interact with the coil to generate a second inductive voltage; and a first terminal, a second terminal, a third terminal, and a fourth terminal which are coupled to the base and spaced apart from the first and the second elastic member, wherein one end of the coil is coupled to the first elastic member, the other end of the coil is coupled to the second elastic member, one end of the first sensing coil is coupled to the first terminal, the other end of the first sensing coil is coupled to the second terminal, one end of the seconType: ApplicationFiled: March 20, 2020Publication date: February 10, 2022Applicant: LG INNOTEK CO., LTD.Inventors: Tae Bong PARK, Hyun Soo KIM
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Patent number: 11196927Abstract: Embodiments provide a lens moving apparatus including a bobbin having a lens barrel, a housing configured to accommodate the bobbin, an upper elastic member coupled to the bobbin and the housing, a lower elastic member coupled to the bobbin and the housing, a first coil disposed on the bobbin, a first magnet disposed on the housing, a circuit board disposed below the housing, a second coil disposed on the circuit board, a first sensor to output a first output signal based on a sensed result of a magnetic field strength of the first magnet, a first capacitor connected in parallel to the first sensor.Type: GrantFiled: November 21, 2019Date of Patent: December 7, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Tae Bong Park, Jin Suk Han, Jung Cheol Kim