Search Patents
-
Patent number: 10295782Abstract: A lens moving apparatus is disclosed. The lens moving apparatus includes a bobbin equipped with at least one lens, a coil and a driving magnet arranged opposite to each other for moving the bobbin in an optical axis direction of the lens through interaction therebetween, a first circuit board for supplying electric current required by the coil, and a cover can and a base coupled to, contacted to, supported at, fixed to, or temporarily fixed to each other for forming a space in which the bobbin, the driving magnet, and the first circuit board are received, wherein the cover can is connected to a second circuit board having an image sensor mounted thereon.Type: GrantFiled: August 7, 2015Date of Patent: May 21, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee
-
Patent number: 10057493Abstract: 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: March 21, 2016Date of Patent: August 21, 2018Assignee: LG INNOTEK CO., LTD.Inventors: Tae Bong Park, Jin Suk Han, Jung Cheol Kim
-
Patent number: 10216000Abstract: 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.Type: GrantFiled: January 25, 2016Date of Patent: February 26, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Byung Wook Son, Kyoung Ho Yoo, Jun Taek Lee
-
Patent number: 10254627Abstract: A VCM is disclosed, the VCM including a rotor having a first driving unit and arranged therein with a lens, a stator having a second driving unit wrapping the first driving unit and being opposite to the first driving unit, a base supporting the stator and having an opening formed at a position corresponding to that of the lens, a connection terminal including a pair of first and second connection terminals arranged at an upper surface of the base, and an elastic member including a first elastic member coupled to the rotor and electrically connected the first connection terminal and a second elastic member coupled to the rotor and electrically connected the second connection terminal.Type: GrantFiled: July 5, 2018Date of Patent: April 9, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Seong Min Lee, Sang Ok Park, Jun Taek Lee
-
Patent number: 10634869Abstract: A lens driving device is provided, the lens driving device includes: a housing; a bobbin disposed inside of the housing; a support member coupled to the bobbin and the housing; and a sensor sensing a position of at least one of the bobbin and the housing, wherein the support member may include a first support unit, and a second support unit disposed not parallel to the first support unit, wherein the sensor may be disposed more adjacent to the first support unit than to the second support unit, and wherein an elastic modulus of the first support unit may be lower than an elastic modulus of the second support unit.Type: GrantFiled: February 19, 2019Date of Patent: April 28, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Jun Taek Lee
-
Patent number: 11307378Abstract: A lens driving device is provided, the lens driving device includes: a housing; a bobbin disposed inside of the housing; a support member coupled to the bobbin and the housing; and a sensor sensing a position of at least one of the bobbin and the housing, wherein the support member may include a first support unit, and a second support unit disposed not parallel to the first support unit, wherein the sensor may be disposed more adjacent to the first support unit than to the second support unit, and wherein an elastic modulus of the first support unit may be lower than an elastic modulus of the second support unit.Type: GrantFiled: March 23, 2020Date of Patent: April 19, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Jun Taek Lee
-
Patent number: 11675158Abstract: A lens driving device is provided, the lens driving device includes: a housing; a bobbin disposed inside of the housing; a support member coupled to the bobbin and the housing; and a sensor sensing a position of at least one of the bobbin and the housing, wherein the support member may include a first support unit, and a second support unit disposed not parallel to the first support unit, wherein the sensor may be disposed more adjacent to the first support unit than to the second support unit, and wherein an elastic modulus of the first support unit may be lower than an elastic modulus of the second support unit.Type: GrantFiled: February 23, 2022Date of Patent: June 13, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Jun Taek Lee
-
Patent number: 10473886Abstract: An embodiment comprises: a housing; a bobbin for mounting a lens, the bobbin being accommodated inside the housing; a first coil disposed on an outer circumferential surface of the bobbin; a magnet disposed in the housing; and a second coil disposed in the housing, wherein the second coil comprises a third coil and a fourth coil, a first signal is applied to the first coil, a second signal is applied to the fourth coil, and an induction voltage is generated in the second coil by a mutual induction operation between the first coil and the second coil.Type: GrantFiled: September 8, 2016Date of Patent: November 12, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Byung Wook Son, Seong Min Lee, Jun Taek Lee, Kap Jin Lee
-
Patent number: 9170393Abstract: A VCM is disclosed, the VCM including a rotor having a first driving unit and arranged therein with a lens, a stator having a second driving unit wrapping the first driving unit and being opposite to the first driving unit, a base supporting the stator and having an opening formed at a position corresponding to that of the lens, a connection terminal including a pair of first and second connection terminals arranged at an upper surface of the base, and an elastic member including a first elastic member coupled to the rotor and electrically connected the first connection terminal and a second elastic member coupled to the rotor and electrically connected the second connection terminal.Type: GrantFiled: November 27, 2012Date of Patent: October 27, 2015Assignee: LG INNOTEK CO., LTD.Inventors: Seong Min Lee, Sang Ok Park, Jun Taek Lee
-
Patent number: 9515542Abstract: Disclosed is a voice coil motor, the motor including a rotor having a cylindrical bobbin that has a support block protruding from an upper end of an outer circumference thereof and a coil block that is coupled to the outer circumference of the bobbin in a direction from a lower surface to an upper surface of the bobbin and is supported by the support block, a stator having a magnet facing the coil block and a yoke holding the magnet, elastic members coupled to upper and lower surfaces of the bobbin, respectively, a base supporting the stator and the elastic members, and a foreign substance inflow-prevention portion formed on an upper surface of the base in such a way as to protrude around an opening formed in a central portion of the base in a shape of a closed loop.Type: GrantFiled: November 11, 2014Date of Patent: December 6, 2016Assignee: LG INNOTEK, CO., LTD.Inventors: Seungki Kim, Kyoungho Yoo
-
Patent number: 9554023Abstract: According to one embodiment of the present invention, a camera module includes: a movable element having first magnets which are formed at uniform intervals on the outer circumferential surface of a bobbin fixing a lens and second magnets which are arranged between the first magnets on the outer circumferential surface of the bobbin; a stator having first coil blocks which respectively face the first magnets, second magnets which respectively face the second magnets, and a housing which fixes the first coil blocks and the second magnets; an elastic member elastically supporting the movable element with respect to the stator; a base supporting the stator; and a case covering the housing and coupled to the base.Type: GrantFiled: November 29, 2013Date of Patent: January 24, 2017Assignee: LG INNOTEK CO., LTDInventor: Sang Ok Park
-
Publication number: 20140293464Abstract: A voice coil motor (VCM) is disclosed, the VCM including: a rotor including a bobbin accommodated by a lens, and a coil block arranged at a periphery of the bobbin, a base formed with an opening for exposing a lens and a first foreign object penetration prevention unit formed along an upper edge, a stator including magnets wrapping the coil block and a housing formed with an opening for fixing the magnets and formed at a bottom surface with lateral surfaces formed with a second foreign object penetration prevention unit coupled to the first foreign object prevention unit, and an elastic member coupled to the bobbin to elastically support the bobbin.Type: ApplicationFiled: October 24, 2012Publication date: October 2, 2014Applicant: LG INNOTEK CO., LTD.Inventors: Seung Ki Kim, Sang Ok Park, Seong Min Lee
-
Patent number: 11822227Abstract: A VCM is disclosed, the VCM including a rotor having a first driving unit and arranged therein with a lens, a stator having a second driving unit wrapping the first driving unit and being opposite to the first driving unit, a base supporting the stator and having an opening formed at a position corresponding to that of the lens, a connection terminal including a pair of first and second connection terminals arranged at an upper surface of the base, and an elastic member including a first elastic member coupled to the rotor and electrically connected the first connection terminal and a second elastic member coupled to the rotor and electrically connected the second connection terminal.Type: GrantFiled: September 28, 2022Date of Patent: November 21, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Seong Min Lee, Sang Ok Park, Jun Taek Lee
-
Patent number: 10627699Abstract: A VCM is disclosed, the VCM including a rotor having a first driving unit and arranged therein with a lens, a stator having a second driving unit wrapping the first driving unit and being opposite to the first driving unit, a base supporting the stator and having an opening formed at a position corresponding to that of the lens, a connection terminal including a pair of first and second connection terminals arranged at an upper surface of the base, and an elastic member including a first elastic member coupled to the rotor and electrically connected the first connection terminal and a second elastic member coupled to the rotor and electrically connected the second connection terminal.Type: GrantFiled: February 28, 2019Date of Patent: April 21, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Seong Min Lee, Sang Ok Park, Jun Taek Lee
-
Patent number: 10247905Abstract: A lens driving device is provided, the lens driving device includes: a housing; a bobbin disposed at an inner side of the housing; a support member coupled to the bobbin and the housing; and a sensor sensing a position of at least one of the bobbin and the housing, wherein the support member may include a first support unit, and a second support unit disposed not parallel to the first support unit, wherein the sensor may be disposed more adjacent to the first support unit than to the second support unit, and wherein an elastic modulus of the first support unit may be lower than an elastic modulus of the second support unit.Type: GrantFiled: August 20, 2018Date of Patent: April 2, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Sang Jun Min, Jun Taek Lee
-
Patent number: 10048569Abstract: A VCM is disclosed, the VCM including a rotor having a first driving unit and arranged therein with a lens, a stator having a second driving unit wrapping the first driving unit and being opposite to the first driving unit, a base supporting the stator and having an opening formed at a position corresponding to that of the lens, a connection terminal including a pair of first and second connection terminals arranged at an upper surface of the base, and an elastic member including a first elastic member coupled to the rotor and electrically connected the first connection terminal and a second elastic member coupled to the rotor and electrically connected the second connection terminal.Type: GrantFiled: October 19, 2017Date of Patent: August 14, 2018Assignee: LG INNOTEK CO., LTD.Inventors: Seong Min Lee, Sang Ok Park, Jun Taek Lee
-
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
-
Patent number: 11156851Abstract: 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.Type: GrantFiled: January 7, 2019Date of Patent: October 26, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Byung Wook Son, Kyoung Ho Yoo, Jun Taek Lee
-
Patent number: 11988893Abstract: A lens moving apparatus is disclosed. The lens moving apparatus includes a bobbin equipped with at least one lens, a coil and a driving magnet arranged opposite to each other for moving the bobbin in an optical axis direction of the lens through interaction therebetween, a first circuit board for supplying electric current required by the coil, and a cover can and a base coupled to, contacted to, supported at, fixed to, or temporarily fixed to each other for forming a space in which the bobbin, the driving magnet, and the first circuit board are received, wherein the cover can is connected to a second circuit board having an image sensor mounted thereon.Type: GrantFiled: April 26, 2022Date of Patent: May 21, 2024Assignee: LG Innotek Co., Ltd.Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee
-
Patent number: 8912690Abstract: Disclosed is a voice coil motor, the motor including a rotor having a cylindrical bobbin that has a support block protruding from an upper end of an outer circumference thereof and a coil block that is coupled to the outer circumference of the bobbin in a direction from a lower surface to an upper surface of the bobbin and is supported by the support block, a stator having a magnet facing the coil block and a yoke holding the magnet, elastic members coupled to upper and lower surfaces of the bobbin, respectively, a base supporting the stator and the elastic members, and a foreign substance inflow-prevention portion formed on an upper surface of the base in such a way as to protrude around an opening formed in a central portion of the base in a shape of a closed loop.Type: GrantFiled: December 13, 2011Date of Patent: December 16, 2014Assignee: LG Innotek Co., Ltd.Inventors: Seungki Kim, Kyoungho Yoo