Patents by Inventor Duhee Kim
Duhee Kim 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: 20240136920Abstract: The present disclosure provides power supply apparatuses and controlling methods thereof. In some embodiments, a power supply apparatus includes a power factor correction (PFC) circuit, and a control circuit configured to control the PFC circuit. The PFC circuit includes a power inputter configured to receive alternating current voltage to be rectified, an inductor having an end coupled to an end of the power inputter, a first switching element configured to be turned on and off according to a first control signal, a second switching element configured to be turned on and off according to a second control signal, and an outputter configured to output a direct current voltage through an output capacitor. The control circuit is further configured to respectively apply the first and second control signals to the first and second switching elements such that the first and the second switching elements are alternately turned on.Type: ApplicationFiled: August 22, 2023Publication date: April 25, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wonmyung Woo, Duhee Jang, Duhee Jang, Jeongil Kang, Hyungwan Kim, Sanghoon Lee
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Publication number: 20230283700Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: ApplicationFiled: May 15, 2023Publication date: September 7, 2023Inventor: Duhee Kim
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Patent number: 11689650Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: GrantFiled: June 30, 2021Date of Patent: June 27, 2023Assignee: LG INNOTEK CO., LTD.Inventor: Duhee Kim
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Publication number: 20210329113Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Inventor: Duhee KIM
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Patent number: 11082546Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: GrantFiled: September 26, 2019Date of Patent: August 3, 2021Assignee: LG INNOTEK CO., LTD.Inventor: Duhee Kim
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Publication number: 20200021724Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: ApplicationFiled: September 26, 2019Publication date: January 16, 2020Inventor: Duhee KIM
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Patent number: 10469717Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: GrantFiled: January 27, 2017Date of Patent: November 5, 2019Assignee: LG INNOTEK CO., LTD.Inventor: Duhee Kim
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Publication number: 20170142307Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: ApplicationFiled: January 27, 2017Publication date: May 18, 2017Inventor: Duhee KIM
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Patent number: 9578216Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: GrantFiled: July 11, 2014Date of Patent: February 21, 2017Assignee: LG INNOTEK CO., LTD.Inventor: Duhee Kim
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Patent number: 9253381Abstract: The present invention relates to a camera module configured to prevent de-focusing during correction of hand-shake, and to prevent damages to devices during correction of hand-shake, the module including: a module part including a lens assembly formed with at least one or more lenses, an image sensor having an image pickup device for converting light concentrated through the lens to an electrical signal, and a PCB (Printed Circuit Board) mounted with the image sensor; a case supporting the module part by accommodating the module part; a driving part tilting the module part; and a rotation preventing part preventing the module part from rotating on a vertical axis.Type: GrantFiled: December 21, 2011Date of Patent: February 2, 2016Assignee: LG INNOTEK CO., LTD.Inventor: Duhee Kim
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Publication number: 20140320738Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: ApplicationFiled: July 11, 2014Publication date: October 30, 2014Inventor: Duhee KIM
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Patent number: 8792938Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: GrantFiled: August 23, 2013Date of Patent: July 29, 2014Assignee: LG Innotek Co., Ltd.Inventor: Duhee Kim
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Publication number: 20130344915Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.Type: ApplicationFiled: August 23, 2013Publication date: December 26, 2013Applicant: LG INNOTEK CO., LTD.Inventor: Duhee KIM
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Publication number: 20130286284Abstract: The present invention relates to a camera module configured to prevent de-focusing during correction of hand-shake, and to prevent damages to devices during correction of hand-shake, the module including: a module part including a lens assembly formed with at least one or more lenses, an image sensor having an image pickup device for converting light concentrated through the lens to an electrical signal, and a PCB (Printed Circuit Board) mounted with the image sensor; a case supporting the module part by accommodating the module part; a driving part tilting the module part; and a rotation preventing part preventing the module part from rotating on a vertical axis.Type: ApplicationFiled: December 21, 2011Publication date: October 31, 2013Applicant: LG INNOTEK CO., LTD.Inventor: Duhee Kim
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Patent number: 8543159Abstract: Disclosed herein is a mobile phone. In short, a mobile terminal of the present invention includes an actuator placed inside the camera module to shift a lens of the camera module toward an upper side of an optical axis direction when a forward current is applied and shift the lens toward a lower side of an optical axis direction when a reverse current is applied, a vibration control part placed outside of the camera module to output a first control signal and a second control signal when a signal from outside is input telling of operating in a vibration mode, a vibration motor part connected to the vibration control part to vibrate the mobile phone by driving a motor when the first control signal is input, and an actuator drive part connected to the vibration control part to apply the reverse current to the actuator when the second control signal is input.Type: GrantFiled: December 21, 2010Date of Patent: September 24, 2013Assignee: LG Innotek Co., Ltd.Inventor: Duhee Kim
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Publication number: 20110159919Abstract: Disclosed herein is a mobile phone. In short, a mobile terminal of the present invention includes an actuator placed inside the camera module to shift a lens of the camera module toward an upper side of an optical axis direction when a forward current is applied and shift the lens toward a lower side of an optical axis direction when a reverse current is applied, a vibration control part placed outside of the camera module to output a first control signal and a second control signal when a signal from outside is input telling of operating in a vibration mode, a vibration motor part connected to the vibration control part to vibrate the mobile phone by driving a motor when the first control signal is input, and an actuator drive part connected to the vibration control part to apply the reverse current to the actuator when the second control signal is input.Type: ApplicationFiled: December 21, 2010Publication date: June 30, 2011Applicant: LG Innotek Co., Ltd.Inventor: Duhee Kim