Patents by Inventor Jong-hyeok Chun
Jong-hyeok Chun 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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LITHIUM COMPOSITE OXIDE AND POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY CONTAINING SAME
Publication number: 20240136510Abstract: A positive electrode active material including a first lithium composite oxide particle including a secondary particle formed by aggregation of one or more primary particles, and a coating oxide occupying at least a part of at least one of surfaces of the secondary particle, grain boundaries between the primary particles, or surfaces of the primary particles, the positive electrode active material satisfying an equation of 1.3?a/b?3.0, wherein a represents a max peak intensity at 2theta=44.75° to 44.80° and b represents a max peak intensity at 2theta=45.3° to 45.6° in X-ray diffraction (XRD) analysis using Cu K? radiation.Type: ApplicationFiled: May 21, 2023Publication date: April 25, 2024Inventors: Yu Gyeong CHUN, Moon Ho CHOI, Yoon Young CHOI, Jong Seung SHIN, Yong Hwan GWON, Jin Ho BAE, Ji Won KIM, Sang Hyeok KIM -
Patent number: 10868954Abstract: An electronic device is provided. The electronic device includes a camera, a display, a memory, and at least one processor. The at least one processor may be configured to generate, based on information on pixels included in an image including at least one subject obtained using the camera, depth information corresponding to the at least one subject, to determine, based on the depth information, a first area displaying a first graphic indicator for indicating a focusing area on which the camera is focused, in the image displayed on the display, in a case in which a focus of the camera is controlled, and to display the first graphic indicator on at least some of the at least one subject included in the first area.Type: GrantFiled: March 22, 2018Date of Patent: December 15, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-Han Lee, Jong-Hyeok Chun, Pyo-Jae Kim, Young-Kwon Yoon, Moon-Soo Kim, Jong-Hun Won, Ki-Huk Lee
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Patent number: 10771706Abstract: An electronic device includes a camera, a memory storing first unit information and second unit information to be used to move a lens driving part, and a processor. The first unit information is configured such that the camera causes a first focus sharpness variation and the second unit information is configured such that the camera causes a second focus sharpness variation. The processor is configured to receive a signal for adjusting a focus associated with an external object by using the camera, to verify a state of the electronic device associated with the reception of the signal, to select corresponding unit information among the first unit information and the second unit information, based at least partly on the state, and to move the lens driving part depending on the corresponding unit information to adjust the focus associated with the external object.Type: GrantFiled: April 5, 2018Date of Patent: September 8, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Seung Han Lee, Jong Hoon Won, Pyo Jae Kim, Young Kwon Yoon, Jong Hyeok Chun
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Patent number: 10211760Abstract: A piezoelectric ultrasonic motor includes: a drive piezoelectric material wherein a plurality of piezoelectric elements, which are polarized by opposite polarities along a circumferential direction around a rotation shaft, are alternately arranged, and a vibration-control piezoelectric material wherein a plurality of piezoelectric elements, which are arranged along a circumferential direction around the rotation shaft and polarized by opposite polarities, are arranged to correspond to the plurality of piezoelectric elements of the drive piezoelectric material, wherein AC power and another AC power having a phase difference with respect to the AC power are respectively applied to the piezoelectric material and the vibration-control piezoelectric material, in a vibration damping area of the drive piezoelectric material.Type: GrantFiled: May 13, 2016Date of Patent: February 19, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Chan-young Moon, Jin-young Bang, Jin-heon Oh, Jong-hyeok Chun
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Publication number: 20180295292Abstract: An electronic device includes a camera, a memory storing first unit information and second unit information to be used to move a lens driving part, and a processor. The first unit information is configured such that the camera causes a first focus sharpness variation and the second unit information is configured such that the camera causes a second focus sharpness variation. The processor is configured to receive a signal for adjusting a focus associated with an external object by using the camera, to verify a state of the electronic device associated with the reception of the signal, to select corresponding unit information among the first unit information and the second unit information, based at least partly on the state, and to move the lens driving part depending on the corresponding unit information to adjust the focus associated with the external object.Type: ApplicationFiled: April 5, 2018Publication date: October 11, 2018Inventors: Seung Han LEE, Jong Hoon WON, Pyo Jae KIM, Young Kwon YOON, Jong Hyeok CHUN
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Publication number: 20180278837Abstract: An electronic device is provided. The electronic device includes a camera, a display, a memory, and at least one processor. The at least one processor may be configured to generate, based on information on pixels included in an image including at least one subject obtained using the camera, depth information corresponding to the at least one subject, to determine, based on the depth information, a first area displaying a first graphic indicator for indicating a focusing area on which the camera is focused, in the image displayed on the display, in a case in which a focus of the camera is controlled, and to display the first graphic indicator on at least some of the at least one subject included in the first area.Type: ApplicationFiled: March 22, 2018Publication date: September 27, 2018Inventors: Seung-Han LEE, Jong-Hyeok CHUN, Pyo-Jae KIM, Young-Kwon YOON, Moon-Soo KIM, Jong-Hun WON, Ki-Huk LEE
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Patent number: 9900486Abstract: An optical device includes a lens assembly that performs a forward/backward movement in an optical axis direction. The optical device also includes at least one first driving device that generates a first driving force that causes the lens assembly to perform the forward/backward movement in the optical axis direction. The optical device further includes at least one second driving device that generates a second driving force in a direction that is opposite to the moving direction of the lens assembly. The second driving force may be formed to be equal to or smaller than the first driving force so that the reciprocating amplitude of the lens assembly may be reduced when the lens assembly reciprocates before and after the focusing position. The optical device as described above may be variously implemented according to embodiments.Type: GrantFiled: March 29, 2016Date of Patent: February 20, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chan-Young Moon, Jin-Young Bang, Jin-Heon Oh, Jong-Hyeok Chun
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Publication number: 20160336876Abstract: A piezoelectric ultrasonic motor includes: a drive piezoelectric material wherein a plurality of piezoelectric elements, which are polarized by opposite polarities along a circumferential direction around a rotation shaft, are alternately arranged, and a vibration-control piezoelectric material wherein a plurality of piezoelectric elements, which are arranged along a circumferential direction around the rotation shaft and polarized by opposite polarities, are arranged to correspond to the plurality of piezoelectric elements of the drive piezoelectric material, wherein AC power and another AC power having a phase difference with respect to the AC power are respectively applied to the piezoelectric material and the vibration-control piezoelectric material, in a vibration damping area of the drive piezoelectric material.Type: ApplicationFiled: May 13, 2016Publication date: November 17, 2016Inventors: Chan-young Moon, Jin-young Bang, Jin-heon Oh, Jong-hyeok Chun
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Publication number: 20160320586Abstract: An optical device includes a lens assembly that performs a forward/backward movement in an optical axis direction. The optical device also includes at least one first driving device that generates a first driving force that causes the lens assembly to perform the forward/backward movement in the optical axis direction. The optical device further includes at least one second driving device that generates a second driving force in a direction that is opposite to the moving direction of the lens assembly. The second driving force may be formed to be equal to or smaller than the first driving force so that the reciprocating amplitude of the lens assembly may be reduced when the lens assembly reciprocates before and after the focusing position. The optical device as described above may be variously implemented according to embodiments.Type: ApplicationFiled: March 29, 2016Publication date: November 3, 2016Inventors: Chan-Young Moon, Jin-Young Bang, Jin-Heon Oh, Jong-Hyeok Chun
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Patent number: 9091802Abstract: A small camera apparatus includes a base, a lens barrel, a lens driving assembly, and a first flexible printed circuit board. The lens barrel is disposed to be spaced apart from the image sensor in an optical axis direction and has at least one lens. The lens driving assembly has a supporting frame, a first moving frame supported on the supporting frame to be movable in the optical axis direction, and a second moving frame loaded with the lens barrel and supported on the first moving frame to be movable in directions perpendicular to the optical axis direction. The first flexible printed circuit board (FPCB) provides an electrical signal, for driving the second moving frame, to the first moving frame. At least a portion of the first FPCB is bent and is disposed between the base and the first moving frame. At least a portion of the bent portion is bonded to reduce a bending tension that occurs in a direction opposite to a bending direction when the first FPCB is bent.Type: GrantFiled: September 12, 2013Date of Patent: July 28, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung-bae Lee, Seung-hwan Lee, Jong-hyeok Chun
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Publication number: 20140184891Abstract: A small camera apparatus includes a base, a lens barrel, a lens driving assembly, and a first flexible printed circuit board. The lens barrel is disposed to be spaced apart from the image sensor in an optical axis direction and has at least one lens. The lens driving assembly has a supporting frame, a first moving frame supported on the supporting frame to be movable in the optical axis direction, and a second moving frame loaded with the lens barrel and supported on the first moving frame to be movable in directions perpendicular to to the optical axis direction. The first flexible printed circuit board (FPCB) provides an electrical signal, for driving the second moving frame, to the first moving frame. At least a portion of the first FPCB is bent and is disposed between the base and the first moving frame. At least a portion of the bent portion is bonded to reduce a bending tension that occurs in a direction opposite to a bending direction when the first FPCB is bent.Type: ApplicationFiled: September 12, 2013Publication date: July 3, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-bae Lee, Seung-hwan Lee, Jong-hyeok Chun