Patents by Inventor Yong-Nam Choi
Yong-Nam Choi 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: 20240160033Abstract: The present embodiment relates to a dual lens drive device that comprises: a housing; a first bobbin which is disposed to move in a first direction inside the housing; a second bobbin which is disposed to move in the first direction inside housing and is spaced apart from the first bobbin; a first coil which is disposed on the first bobbin; a second coil which is disposed on the second bobbin; a magnet which is disposed in the housing and faces the first coil and the second coil; a base which is disposed below the housing; a substrate which comprises a circuit member having a third coil disposed to face the magnet between the housing and the base; and a support member which movably supports the housing with respect to the substrate, wherein the housing is integrally formed.Type: ApplicationFiled: January 17, 2024Publication date: May 16, 2024Inventors: Kap Jin LEE, Yong Nam CHOI, Do Yoon KIM, Min Soo KIM, Jung Hwan KIM, Tae Young KIM
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Publication number: 20240154110Abstract: Cathodes and lithium secondary batteries including the cathodes are disclosed. In some implementations, a cathode may include a cathode current collector and a cathode active material layer disposed on the cathode current collector and including cathode active material particles such that the cathode active material layer satisfies a specific equation. The cathode active material particles may include lithium metal oxide particles that include nickel, and may have a mole fraction of cobalt of 0.02 or less with respect to all elements except for lithium and oxygen.Type: ApplicationFiled: August 28, 2023Publication date: May 9, 2024Inventors: Yong Seok LEE, Jeong Hoon JEUN, Jae Ram KIM, Jae Yun MIN, Ki Joo EOM, Myung Ro LEE, Hyun Joong JANG, Je Nam CHOI
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Publication number: 20240121490Abstract: An embodiment includes: a base; a circuit board which is disposed on the base and which includes first and second terminals; a housing disposed on the circuit board; a bobbin disposed in the housing; a first coil disposed on the bobbin; a sensing magnet disposed on the bobbin; a magnet disposed in the housing; a first position sensor which is disposed in the housing and which corresponds to the sensing magnet; a second coil disposed between the base and the magnet; and a second position sensor which is disposed on the circuit board and which includes a first sensor and a second sensor, wherein each of the first sensor and the second sensor is a driver integrated circuit including a hall sensor and a driver, a clock signal is provided to the first terminal of the circuit board, a data signal is provided to the second terminal of the circuit board, and the driver of each of the first position sensor, the first sensor, and the second sensor transmits/receives the clock signal through the first terminal of the ciType: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Inventors: Sang Ok Park, Yong Nam Choi
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Publication number: 20240097125Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes cathode active material particles. The cathode active material particles include a lithium metal oxide particle containing nickel and having a mole fraction of cobalt of 0.02 or less among all elements except lithium and oxygen.Type: ApplicationFiled: July 11, 2023Publication date: March 21, 2024Inventors: Yong Seok LEE, Jeong Hoon JEUN, Jae Ram KIM, Jae Yun MIN, Ki Joo EOM, Myung Ro LEE, Hyun Joong JANG, Je Nam CHOI
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Patent number: 11921301Abstract: The present embodiment relates to a dual lens drive device that comprises: a housing; a first bobbin which is disposed to move in a first direction inside the housing; a second bobbin which is disposed to move in the first direction inside housing and is spaced apart from the first bobbin; a first coil which is disposed on the first bobbin; a second coil which is disposed on the second bobbin; a magnet which is disposed in the housing and faces the first coil and the second coil; a base which is disposed below the housing; a substrate which comprises a circuit member having a third coil disposed to face the magnet between the housing and the base; and a support member which movably supports the housing with respect to the substrate, wherein the housing is integrally formed.Type: GrantFiled: October 18, 2022Date of Patent: March 5, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Kap Jin Lee, Yong Nam Choi, Do Yoon Kim, Min Soo Kim, Jung Hwan Kim, Tae Young Kim
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Patent number: 11895382Abstract: An embodiment includes: a base; a circuit board which is disposed on the base and which includes first and second terminals; a housing disposed on the circuit board; a bobbin disposed in the housing; a first coil disposed on the bobbin; a sensing magnet disposed on the bobbin; a magnet disposed in the housing; a first position sensor which is disposed in the housing and which corresponds to the sensing magnet; a second coil disposed between the base and the magnet; and a second position sensor which is disposed on the circuit board and which includes a first sensor and a second sensor, wherein each of the first sensor and the second sensor is a driver integrated circuit including a hall sensor and a driver, a clock signal is provided to the first terminal of the circuit board, a data signal is provided to the second terminal of the circuit board, and the driver of each of the first position sensor, the first sensor, and the second sensor transmits/receives the clock signal through the first terminal of the ciType: GrantFiled: March 20, 2020Date of Patent: February 6, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Sang Ok Park, Yong Nam Choi
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Patent number: 11822212Abstract: One embodiment of a camera module comprises: a lens barrel including at least one lens; a bobbin for accommodating the lens barrel; and a fixing part disposed between the lens barrel and the bobbin so as to inhibit the lens barrel from being separated from the bobbin, wherein one surface, which makes surface contact with the fixing part, of the bobbin can include a bobbin provided so as to protrude toward the lens barrel.Type: GrantFiled: December 27, 2021Date of Patent: November 21, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Sang Yeon Han, Do Yun Kim, Jung Hwan Kim, Yong Nam Choi
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Publication number: 20230069492Abstract: The present embodiment relates to a dual lens drive device that comprises: a housing; a first bobbin which is disposed to move in a first direction inside the housing; a second bobbin which is disposed to move in the first direction inside housing and is spaced apart from the first bobbin; a first coil which is disposed on the first bobbin; a second coil which is disposed on the second bobbin; a magnet which is disposed in the housing and faces the first coil and the second coil; a base which is disposed below the housing; a substrate which comprises a circuit member having a third coil disposed to face the magnet between the housing and the base; and a support member which movably supports the housing with respect to the substrate, wherein the housing is integrally formed.Type: ApplicationFiled: October 18, 2022Publication date: March 2, 2023Inventors: Kap Jin LEE, Yong Nam CHOI, Do Yoon KIM, Min Soo KIM, Jung Hwan KIM, Tae Young KIM
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Patent number: 11520159Abstract: The present embodiment relates to a dual lens drive device that comprises: a housing; a first bobbin which is disposed to move in a first direction inside the housing; a second bobbin which is disposed to move in the first direction inside housing and is spaced apart from the first bobbin; a first coil which is disposed on the first bobbin; a second coil which is disposed on the second bobbin; a magnet which is disposed in the housing and faces the first coil and the second coil; a base which is disposed below the housing; a substrate which comprises a circuit member having a third coil disposed to face the magnet between the housing and the base; and a support member which movably supports the housing with respect to the substrate, wherein the housing is integrally formed.Type: GrantFiled: January 8, 2018Date of Patent: December 6, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Kap Jin Lee, Yong Nam Choi, Do Yoon Kim, Min Soo Kim, Jung Hwan Kim, Tae Young Kim
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Publication number: 20220197114Abstract: One embodiment of a camera module comprises: a lens barrel including at least one lens; a bobbin for accommodating the lens barrel; and a fixing part disposed between the lens barrel and the bobbin so as to inhibit the lens barrel from being separated from the bobbin, wherein one surface, which makes surface contact with the fixing part, of the bobbin can include a bobbin provided so as to protrude toward the lens barrel.Type: ApplicationFiled: December 27, 2021Publication date: June 23, 2022Inventors: Sang Yeon Han, Do Yun Kim, Jung Hwan Kim, Yong Nam Choi
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Publication number: 20220053110Abstract: An embodiment includes: a base; a circuit board which is disposed on the base and which includes first and second terminals; a housing disposed on the circuit board; a bobbin disposed in the housing; a first coil disposed on the bobbin; a sensing magnet disposed on the bobbin; a magnet disposed in the housing; a first position sensor which is disposed in the housing and which corresponds to the sensing magnet; a second coil disposed between the base and the magnet; and a second position sensor which is disposed on the circuit board and which includes a first sensor and a second sensor, wherein each of the first sensor and the second sensor is a driver integrated circuit including a hall sensor and a driver, a clock signal is provided to the first terminal of the circuit board, a data signal is provided to the second terminal of the circuit board, and the driver of each of the first position sensor, the first sensor, and the second sensor transmits/receives the clock signal through the first terminal of the ciType: ApplicationFiled: March 20, 2020Publication date: February 17, 2022Inventors: Sang Ok PARK, Yong Nam CHOI
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Patent number: 11114850Abstract: An electrostatic discharge protection circuit includes a first internal circuit formed between a first power line and a first ground line, and configured to operate in a range between a first power and a first ground; a second internal circuit formed between a second power line and a second ground line, and configured to operate in a range between a second power having a level higher than the first power and a second ground; a signal line connecting an output terminal of the first internal circuit and an input terminal of the second internal circuit; and a protection circuit configured to form a bypass path for bypassing a stress due to electrostatic discharge when the electrostatic discharge occurs, between the signal line and the second ground line, to protect a semiconductor device of the second internal circuit from the electrostatic discharge.Type: GrantFiled: December 17, 2019Date of Patent: September 7, 2021Assignee: Silicon Works Co., Ltd.Inventors: Jae Min Kim, Jae Hyun Lee, Yong Nam Choi
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Patent number: 10741516Abstract: Disclosed are a drive integrated circuit (IC) capable of being applied to all of a chip on film (COF) type and a chip on glass (COG) type and a display device including the drive IC. The drive IC includes an input pad part including a plurality of input bumps and an output pad part including a plurality of first diode parts, a plurality of second diode parts, and a plurality of output bumps. At least two of the plurality of output bumps overlap the plurality of first diode parts and the plurality of second diode parts, and a first output bump of the at least two output bumps is connected to at least one of the plurality of first diode parts and at least one of the plurality of second diode parts.Type: GrantFiled: November 13, 2018Date of Patent: August 11, 2020Assignee: SILICON WORKS CO., LTD.Inventors: Myeong Woo Oh, Yong Nam Choi, Dong Geon Lee, Dong Wook Kim, Jae Sup Han, Eun Ji Jo
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Publication number: 20200203947Abstract: An electrostatic discharge protection circuit includes a first internal circuit formed between a first power line and a first ground line, and configured to operate in a range between a first power and a first ground; a second internal circuit formed between a second power line and a second ground line, and configured to operate in a range between a second power having a level higher than the first power and a second ground; a signal line connecting an output terminal of the first internal circuit and an input terminal of the second internal circuit; and a protection circuit configured to form a bypass path for bypassing a stress due to electrostatic discharge when the electrostatic discharge occurs, between the signal line and the second ground line, to protect a semiconductor device of the second internal circuit from the electrostatic discharge.Type: ApplicationFiled: December 17, 2019Publication date: June 25, 2020Applicant: Silicon Works Co., Ltd.Inventors: Jae Min Kim, Jae Hyun Lee, Yong Nam Choi
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Publication number: 20200089020Abstract: The present embodiment relates to a dual lens drive device that comprises: a housing; a first bobbin which is disposed to move in a first direction inside the housing; a second bobbin which is disposed to move in the first direction inside housing and is spaced apart from the first bobbin; a first coil which is disposed on the first bobbin; a second coil which is disposed on the second bobbin; a magnet which is disposed in the housing and faces the first coil and the second coil; a base which is disposed below the housing; a substrate which comprises a circuit member having a third coil disposed to face the magnet between the housing and the base; and a support member which movably supports the housing with respect to the substrate, wherein the housing is integrally formed.Type: ApplicationFiled: January 8, 2018Publication date: March 19, 2020Inventors: KAP JIN LEE, YONG NAM CHOI, DO YOON KIM, MIN SOO KIM, JUNG HWAN KIM, TAE YOUNG KIM
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Publication number: 20190157231Abstract: Disclosed are a drive integrated circuit (IC) capable of being applied to all of a chip on film (COF) type and a chip on glass (COG) type and a display device including the drive IC. The drive IC includes an input pad part including a plurality of input bumps and an output pad part including a plurality of first diode parts, a plurality of second diode parts, and a plurality of output bumps. At least two of the plurality of output bumps overlap the plurality of first diode parts and the plurality of second diode parts, and a first output bump of the at least two output bumps is connected to at least one of the plurality of first diode parts and at least one of the plurality of second diode parts.Type: ApplicationFiled: November 13, 2018Publication date: May 23, 2019Inventors: Myeong Woo OH, Yong Nam CHOI, Dong Geon LEE, Dong Wook KIM, Jae Sup HAN, Eun Ji JO
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Publication number: 20180329277Abstract: One embodiment of a camera module comprises: a lens barrel including at least one lens; a bobbin for accommodating the lens barrel; and a fixing part disposed between the lens barrel and the bobbin so as to inhibit the lens barrel from being separated from the bobbin, wherein one surface, which makes surface contact with the fixing part, of the bobbin can include a bobbin provided so as to protrude toward the lens barrel.Type: ApplicationFiled: November 2, 2016Publication date: November 15, 2018Inventors: SANG YEON HAN, DO YUN KIM, JUNG HWAN KIM, YONG NAM CHOI
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Patent number: 9294661Abstract: The present invention relates to a camera module, the camera module including a PCB (Printed Circuit Board) mounted with an image sensor, a base formed with an IRCF (Infrared Cut Filter) at a position corresponding to that of the image sensor, a bobbin including a coil winding unit vertically reciprocatively formed at an upper surface of the base and provided at a periphery, and a plurality of rib members protrusively formed from a floor surface, a yoke formed with a magnet arranged at a position corresponding to that of a coil of the bobbin, and a shock absorption member arranged at an ambience of the rib members and longer than the rib member, wherein the shock absorption member is compressed by being elastically deformed, in a case the base is brought into contact with the rib member.Type: GrantFiled: November 14, 2012Date of Patent: March 22, 2016Assignee: LG INNOTEK CO., LTD.Inventors: Yong Nam Choi, Jung Hwan Kim
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Publication number: 20140267767Abstract: The present invention relates to a camera module, the camera module including a PCB (Printed Circuit Board) mounted with an image sensor, a base formed with an IRCF (Infrared Cut Filter) at a position corresponding to that of the image sensor, a bobbin including a coil winding unit vertically reciprocatively formed at an upper surface of the base and provided at a periphery, and a plurality of rib members protrusively formed from a floor surface, a yoke formed with a magnet arranged at a position corresponding to that of a coil of the bobbin, and a shock absorption member arranged at an ambience of the rib members and longer than the rib member, wherein the shock absorption member is compressed by being elastically deformed, in a case the base is brought into contact with the rib member.Type: ApplicationFiled: November 14, 2012Publication date: September 18, 2014Applicant: LG INNOTEK CO.,LTDInventors: Yong Nam Choi, Jung Hwan Kim
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Publication number: 20140036146Abstract: An exemplary embodiment of the present disclosure provides one or more pieces of lenses, a housing formed therein with the one or more pieces of lenses, and a PCB (Printed Circuit Board) fixed to the housing, mounted with an image sensor converting an optical image having passed the one or more pieces of lenses to an electrical signal and formed at a bottom surface with a solder ball.Type: ApplicationFiled: August 5, 2013Publication date: February 6, 2014Applicant: LG INNOTEK CO., LTD.Inventor: Yong Nam CHOI