Patents by Inventor Soo Cheol Lim
Soo Cheol Lim 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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Patent number: 12176306Abstract: An apparatus and method for generating an electrical circuit of semiconductor channel resistor including a first passive element part including a resistor and a capacitor connected in parallel between a first port and a second port, and an ohmic resistor connected in series to the resistor and the capacitor which are connected in parallel are provided. The apparatus includes a substrate selection part configured to receive a selected substrate item; a resistor selection part configured to receive a selected resistor item; a capacitor selection part configured to receive a selected capacitor item; and a circuit generating part configured to generate an electrical circuit from the selected substrate item, the selected resistor item, and the selected capacitor item.Type: GrantFiled: August 6, 2021Date of Patent: December 24, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sang Heung Lee, Soo Cheol Kang, Seong Il Kim, Hae Cheon Kim, Youn Sub Noh, Ho Kyun Ahn, Jong Won Lim, Sung Jae Chang, Hyun Wook Jung
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Patent number: 12166101Abstract: A method of manufacturing a high-electron-mobility transistor device is provided. The method includes sequentially forming a transition layer and a semiconductor layer on a substrate, etching a portion of a surface of the semiconductor layer to form a barrier layer region having a certain depth and forming a barrier layer in the barrier layer region, forming a source electrode and a drain electrode on a 2-dimensional electron gas (2-DEG) layer upward exposed at a surface of the semiconductor layer, in defining the 2-DEG layer formed along an interface between the semiconductor layer and the barrier layer, forming a passivation layer on the semiconductor layer, the barrier layer, the source electrode, and the drain electrode and etching a portion of the passivation layer to upward expose the source electrode, the drain electrode, and the barrier layer, and forming a gate electrode on the upward exposed barrier layer.Type: GrantFiled: February 14, 2022Date of Patent: December 10, 2024Assignee: ELECTRONICS AND TELECOMMINICATIONS RESEARCH INSTITUTEInventors: Soo Cheol Kang, Hyun Wook Jung, Seong IL Kim, Hae Cheon Kim, Youn Sub Noh, Ho Kyun Ahn, Sang Heung Lee, Jong Won Lim, Sung Jae Chang, Il Gyu Choi
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Publication number: 20240380964Abstract: A camera module includes a driving assembly configured to drive a lens module in a direction intersecting an optical axis. The driving assembly includes: a driving magnet member; auxiliary magnet members arranged on opposing sides of the driving magnet member and arranged to have polarities different from a polarity of the driving magnet member in a first direction; and a driving coil including portions extending along boundaries between the driving magnet member and the auxiliary magnet members.Type: ApplicationFiled: July 24, 2024Publication date: November 14, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Soo Cheol LIM, Nam Ki PARK
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Publication number: 20240369913Abstract: A camera module includes a housing having an internal space; a carrier disposed in the internal space; a lens module disposed in the carrier; a guide frame disposed between the carrier and the lens module; a first ball member and a second ball member disposed between the housing and the carrier, spaced apart from each other in a diagonal direction of the housing and the carrier, and configured to guide a movement of the carrier in a direction of an optical axis; and a third ball member disposed between the carrier and the guide frame, and a fourth ball member disposed between the guide frame and the lens module, and configured to guide a movement of the lens module in a direction perpendicular to the optical axis direction, wherein the third ball member and the fourth ball member do not overlap each other in the optical axis direction.Type: ApplicationFiled: October 25, 2023Publication date: November 7, 2024Applicant: Samsung Electro-Mechanics Co.,Ltd.Inventors: Su Kyeong KIM, Nam Ki PARK, Bo Sung SEO, Soo Cheol LIM, Je Ho KIM
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Publication number: 20240345410Abstract: A camera module including a lens module, a carrier accommodating the lens module, a housing accommodating the carrier, and a shaking correction driver including a plurality of magnets disposed on the lens module, a plurality of coils disposed on the housing, and three or more position sensors, wherein the shaking correction driver is configured to form driving force to move the lens module on a plane perpendicular to an optical axis, wherein at least one of the plurality of magnets faces two or more position sensors, and wherein a position sensor facing one of the plurality of magnets is disposed closer to the optical axis than a position sensor facing an other of the plurality of magnets.Type: ApplicationFiled: January 30, 2024Publication date: October 17, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Nam Ki PARK, Soo Cheol LIM, Su Kyeong KIM, Ki Hyun ROH, Se Hyeun YUN, Se Houn LEE
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Publication number: 20240319568Abstract: A camera module includes a housing having an internal space; a carrier disposed in the internal space; a lens module provided in the carrier; and a first ball member and a second ball member, disposed between the carrier and the housing and spaced apart in a direction, perpendicular to an optical axis, wherein a virtual line connecting a center of a ball included in the first ball member and a center of a ball included in the second ball member passes through the lens module, wherein the lens module includes a first avoidance portion securing space in which at least one of the first ball member or the second ball member is disposed.Type: ApplicationFiled: August 25, 2023Publication date: September 26, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Su Kyeong KIM, Bo Sung SEO, Nam Ki PARK, Soo Cheol LIM, Je Ho KIM
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Patent number: 12099283Abstract: A camera module includes: a housing; a carrier accommodated in the housing, and configured to move in an optical axis direction; a lens unit accommodated in the carrier, and configured to move in the optical axis direction together with the carrier; a driving unit configured to move the carrier; and a guide unit configured to guide the movement of the carrier, and comprising: a ball member configured to move in the optical axis direction; and a guide groove unit comprising a plurality of guide grooves in which the ball member is disposed, wherein the plurality of guide grooves comprise a first guide groove in which an angle between normals of two adjacent surfaces of the first guide groove in contact with the ball member is an acute angle.Type: GrantFiled: June 17, 2022Date of Patent: September 24, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Soo Cheol Lim
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Publication number: 20240310694Abstract: A camera module including a lens module configured to move in one or more of an optical axis direction, a first axis direction perpendicular to the optical axis direction, and a second axis direction perpendicular to the optical axis direction and the first axis direction, a housing configured to accommodate the lens module, a printed circuit board coupled to the housing, an aperture module configured to form an incident opening of various sizes, and coupled to the lens module and moved together with the lens module, and a connection substrate connected to the printed circuit board and the aperture module. The aperture module includes an aperture driver including a magnet portion and a coil portion, and an aperture substrate in which the coil portion is disposed, and one side of the connection substrate is coupled to the aperture substrate, and another side thereof is coupled to the printed circuit board.Type: ApplicationFiled: February 26, 2024Publication date: September 19, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyung Hun LEE, Soo Cheol LIM, Young Bok YOON
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Patent number: 12075147Abstract: A camera module includes a driving assembly configured to drive a lens module in a direction intersecting an optical axis. The driving assembly includes: a driving magnet member; auxiliary magnet members arranged on opposing sides of the driving magnet member and arranged to have polarities different from a polarity of the driving magnet member in a first direction; and a driving coil including portions extending along boundaries between the driving magnet member and the auxiliary magnet members.Type: GrantFiled: April 24, 2023Date of Patent: August 27, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Soo Cheol Lim, Nam Ki Park
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Patent number: 12025851Abstract: A camera module includes: a magnet disposed on a lens module; a bearing member disposed in a ball guide portion formed between the lens module and a housing that accommodates the lens module; a coil disposed in the housing to face the magnet; and a yoke member disposed on the housing to interact with the magnet to generate a biased magnetic force.Type: GrantFiled: October 28, 2022Date of Patent: July 2, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Nam Ki Park, Soo Cheol Lim, Byung Woo Kang, Sung Taek Oh, Young Bok Yoon, Bo Sung Seo, Oh Byoung Kwon, Jun Sup Shin
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Publication number: 20240210788Abstract: A camera module includes a carrier provided in a housing; a guide member disposed in the carrier, and configured to compensate for shaking in a perpendicular direction to an optical axis direction; a stopper configured to cover an upper portion of the carrier to accommodate the guide member; and a damper member, disposed in the stopper, comprising either one or both of an eleventh damper member opposing the guide member in a first direction perpendicular to the optical axis direction, and a twenty first damper member opposing the guide member in a second direction perpendicular to the optical axis direction and the first direction. The damper member directly opposes the guide member.Type: ApplicationFiled: July 6, 2023Publication date: June 27, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Young Hwan KWON, Su Kyeong KIM, Soo Cheol LIM, Young Bok YOON
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Publication number: 20240201573Abstract: A camera module includes a first lens module including one or more lenses disposed along a first optical axis; a housing defining an internal space; at least two guide portions disposed in the internal space to guide a coupling position of the first lens module; and a reflection module disposed in the internal space to change a traveling path of light incident along the first optical axis. The at least two guide portions include a first guide portion contacting the first lens module to form a first number of contact points and a second guide portion contacting the first lens module to form a second number of contact points different from the first number of contact points.Type: ApplicationFiled: June 27, 2023Publication date: June 20, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jung Woo KIM, You Jin JEONG, Sot Eum SEO, Soo Cheol LIM, Kum Kyung LEE
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Publication number: 20240201511Abstract: There is provided a camera module including a plurality of ball bearings to support the driving of a lens barrel at the time of compensating for unintended camera movement due to disturbance such as hand shake. The lens barrel may be driven in first and second directions, independently, by one driving force exerted in the first direction perpendicular to an optical axis and by another driving force exerted in the second direction perpendicular to both the optical axis and the first direction, thereby preventing driving displacement from being generated at the time of compensating for unwanted motion such as hand shake while securing reliability against external impact, and having reduced power consumption at the time of compensating for the disturbance.Type: ApplicationFiled: February 28, 2024Publication date: June 20, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Ryung PARK, Oh Byoung KWON, Soo Cheol LIM, Byung Woo KANG
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Publication number: 20240147072Abstract: An actuator for optical image stabilization, includes a fixed frame having an internal space; a moving frame, accommodated in the internal space, configured to linearly and rotatably move on a plane perpendicular to an optical axis; a first ball member disposed between the fixed frame and the moving frame; a first driver, disposed on the moving frame and the fixed frame, configured to provide a driving force to the moving frame; a plurality of magnetic bodies disposed on the fixed frame to generate attractive force with respect to the first driver disposed on the moving frame; a sensor substrate having a portion coupled to the moving frame to be movable, together with the moving frame, and another portion coupled to the fixed frame; and an image sensor disposed on the portion of the sensor substrate.Type: ApplicationFiled: January 12, 2024Publication date: May 2, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Oh Byoung KWON, Bo Sung SEO, Soo Cheol LIM, Gab Yong KIM, Ki Hoon JANG, Young Bok YOON
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Patent number: 11947132Abstract: There is provided a camera module including a plurality of ball bearings to support the driving of a lens barrel at the time of compensating for unintended camera movement due to disturbance such as hand shake. The lens barrel may be driven in first and second directions, independently, by one driving force exerted in the first direction perpendicular to an optical axis and by another driving force exerted in the second direction perpendicular to both the optical axis and the first direction, thereby preventing driving displacement from being generated at the time of compensating for unwanted motion such as hand shake while securing reliability against external impact, and having reduced power consumption at the time of compensating for the disturbance.Type: GrantFiled: November 19, 2021Date of Patent: April 2, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Ryung Park, Oh Byoung Kwon, Soo Cheol Lim, Byung Woo Kang
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Publication number: 20240094601Abstract: A camera module includes a housing, a movable body configured to move in a direction of an optical axis of the housing; a reinforcing member formed integrally on one surface of the movable body, and configured to increase a rigidity of the movable body; and a first buffer member formed in the reinforcing member, and configured to reduce an impactive force between the housing and the movable body.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Hyuk LEE, Soo Cheol LIM, Byung Woo KANG, Young Bok YOON, Jong Woo HONG, Jung Seok LEE
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Publication number: 20240069356Abstract: A camera module includes a housing having an interior space; an Auto Focusing (AF) carrier disposed in the interior space of the housing and housing a lens barrel; a lens holder to which the lens barrel is fixed and accommodated in the AF carrier; an Optical Image Stabilization (OIS) driver configured to drive the lens holder to move in a first direction or a second direction perpendicular to an optical-axis, wherein the first direction and the second direction are perpendicular to each other within the AF carrier; and an OIS stopper including an inward protrusion protruding from one inner surface of the housing in the first direction towards the lens holder, and an outward protrusion protruding from one outer surface of the lens holder towards the one inner surface of the housing and opposite the inward protrusion in the second direction.Type: ApplicationFiled: February 14, 2023Publication date: February 29, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sanghun HAN, Soo Cheol LIM, Kum-Kyung LEE
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Patent number: 11910090Abstract: An actuator for optical image stabilization, includes a fixed frame having an internal space; a moving frame, accommodated in the internal space, configured to linearly and rotatably move on a plane perpendicular to an optical axis; a first ball member disposed between the fixed frame and the moving frame; a first driver, disposed on the moving frame and the fixed frame, configured to provide a driving force to the moving frame; a plurality of magnetic bodies disposed on the fixed frame to generate attractive force with respect to the first driver disposed on the moving frame; a sensor substrate having a portion coupled to the moving frame to be movable, together with the moving frame, and another portion coupled to the fixed frame; and an image sensor disposed on the portion of the sensor substrate.Type: GrantFiled: April 29, 2022Date of Patent: February 20, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Oh Byoung Kwon, Bo Sung Seo, Soo Cheol Lim, Gab Yong Kim, Ki Hoon Jang, Young Bok Yoon
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Publication number: 20240053575Abstract: A lens driving apparatus includes a lens holder configured to accommodate a lens; a carrier configured to accommodate the lens holder; a first optical image stabilization (OIS) driver, disposed outside of the lens holder, configured to drive the lens holder in a first direction perpendicular to an optical axis; and a second OIS driver, disposed outside of the carrier to oppose the first OIS driver and having the lens holder interposed therebetween, configured to drive the carrier in a second direction perpendicular to the optical axis and the first direction.Type: ApplicationFiled: July 18, 2023Publication date: February 15, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ohbyoung KWON, Soo Cheol LIM
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Patent number: 11874594Abstract: A camera module includes a housing, a movable body configured to move in a direction of an optical axis of the housing; a reinforcing member formed integrally on one surface of the movable body, and configured to increase a rigidity of the movable body; and a first buffer member formed in the reinforcing member, and configured to reduce an impactive force between the housing and the movable body.Type: GrantFiled: October 13, 2020Date of Patent: January 16, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Hyuk Lee, Soo Cheol Lim, Byung Woo Kang, Young Bok Yoon, Jong Woo Hong, Jung Seok Lee