Patents by Inventor Hyun Chul Jo
Hyun Chul Jo 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: 20240161684Abstract: A display device includes: a display panel; an emission driver; a scan driver; and a timing controller. The display panel includes light emitting pixels and photosensitive pixels, where the photosensitive pixels are operated in an initialization period, a light exposure period and a sensing period. The emission driver supplies emission control signals to emission control lines connected to the light emitting pixels, based on an emission start signal. The scan driver supplies scan signals to scan lines connected to the light emitting pixels and the photosensitive pixels, based on a scan start signal. The timing controller generates the emission start signal having a single pulse of a gate-off level and the scan start signal having a single pulse of a gate-on level in a last frame period among frame periods corresponding to the light exposure period and in each of frame periods corresponding to the sensing period.Type: ApplicationFiled: November 7, 2023Publication date: May 16, 2024Inventors: Hyun Dae LEE, Kang Bin JO, Il Nam KIM, Go Eun CHA, Hee Chul HWANG
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Publication number: 20240135744Abstract: A display device comprises a display panel comprising an image display area and a non-display area, display pixels comprising light-emitting elements in the image display area and pixel driving units connected to the light-emitting elements, light-sensing pixels comprising photo-detecting units in a fingerprint sensing area in the image display area, and sense driving units connected to the photo-detecting units, a light-sensing reset driver configured to supply reset signals to the sense driving units of the light-sensing pixels for at least each horizontal line among the light-sensing pixels in response to a line select signal from a display driving circuit; and a fingerprint scan driver configured to sequentially supply a fingerprint scan signal to the sense driving units of the light-sensing pixels in response to a fingerprint scan control signal from the display driving circuit.Type: ApplicationFiled: September 27, 2023Publication date: April 25, 2024Inventors: Hyun Dae LEE, Il Nam KIM, Hyoung Wook JANG, Kang Bin JO, Go Eun CHA, Hee Chul HWANG
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Publication number: 20240101011Abstract: The present disclosure relates to a gap prevention structure of a seat rail for a vehicle. The gap prevention structure includes: a lower rail configured to be fixed to a bottom of a vehicle body and to have a receiving space formed therein; an upper rail configured to have at least a portion thereof received in the receiving space and to slide in a longitudinal direction of the lower rail; a rolling bearing configured to be rotatably coupled to the upper rail and to roll and move in the receiving space in the longitudinal direction of the lower rail; and a gap prevention unit configured to limit rotation of the rolling bearing by pressing the rolling bearing while being inserted between the lower rail and the rolling bearing.Type: ApplicationFiled: September 19, 2023Publication date: March 28, 2024Inventors: Jin Gu Park, Jae Chul Jung, Hyun Gyu Jo
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Publication number: 20240055604Abstract: It is related to a manufacturing method of negative electrode active material for lithium secondary battery, comprising: preparing an artificial graphite; forming a coating layer covering the artificial graphite by mixing the artificial graphite and a liquid coating material; and carbonizing the artificial graphite on which the coating layer is formed; wherein, the liquid coating material has a viscosity of 300 to 25000 mPa s at 35° C.; a negative electrode active material according to the method; and a lithium secondary battery including the same.Type: ApplicationFiled: December 20, 2021Publication date: February 15, 2024Applicants: POSCO HOLDINGS INC., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTDInventors: Gang Ho LEE, Jung-Chul AN, Sei Min PARK, Jong Hoon YOON, Hyun-Chul JO
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Publication number: 20240051831Abstract: A present disclosure is related to a method of manufacturing a negative electrode active material for lithium secondary battery: preparing a primary particle by grinding a carbon source containing 10 to 25 wt % volatile matter; heating and kneading the primary particle to assemble them into a secondary particle; and graphitizing the secondary particle; wherein, the step of assembling the secondary particle is the step of heating and kneading only the primary particle without adding a binder. In addition, it is provided a negative electrode active material for a lithium secondary battery has a retention of 80% discharge capacity of 20 cycles or more.Type: ApplicationFiled: February 3, 2021Publication date: February 15, 2024Inventors: Gang Ho LEE, Sei Min PARK, Jung-Chul AN, Jong Hoon YOON, Hyun-Chul JO
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Publication number: 20230420675Abstract: The present disclosure relates to a manufacturing method of a negative active material for a battery, a negative active material manufactured therefrom, and a lithium secondary battery including the negative electrode, including: the steps of coating a base material for a negative active material with a coating material; and heating the obtained coating product; wherein, the coating material is graphitizable carbon, the softening point is 50° C. or less, and the coating material is included so that the residual carbon amount is 1 to 5 parts by weight with respect to 100 parts by weight of the base material for the negative active material.Type: ApplicationFiled: November 17, 2021Publication date: December 28, 2023Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Moonkyu CHO, Gang Ho LEE, Sei Min PARK, Jung-Chul AN, Seung Jae YOU, Jung Gyu WOO, Hyun-Chul JO, Jong Hoon YOON
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Publication number: 20230398156Abstract: A composition having umbilical cord-derived stem cells as an active ingredient is disclosed. The composition containing umbilical cord-derived stem cells as an active ingredient, can prevent, relieve, or treat a tendon or ligament disease by regenerating and reconstructing a damaged tendon without side effects when applied for a tendon disease.Type: ApplicationFiled: May 18, 2021Publication date: December 14, 2023Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, ACESOSTEM BIOSTRATEGIES INC.Inventors: Hyun Chul JO, Ji-Hye YEA
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Publication number: 20230330179Abstract: A composition suitable for preventing or treating an inflammatory disease is disclosed. The composition contains zinc finger protein with KRAB and SCAN domains 8 (Zkscan8) protein, which has a superior effect of effectively inhibiting inflammatory responses by inhibiting the expression of inflammatory cytokines and promoting the expression of anti-inflammatory factors. Therefore, the composition can be effectively used for preventing or treating an inflammatory disease.Type: ApplicationFiled: July 2, 2021Publication date: October 19, 2023Applicant: SEOUL NATTIONAL UNIVERSITY HOSPITALInventors: Hyun Chul JO, Ah-Young LEE, JI-Hye YEA
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Publication number: 20230235402Abstract: A composition suitable for diagnosing a musculoskeletal disease and a composition suitable for preventing or treating a musculoskeletal disease are disclosed. The composition contains zinc finger protein with KRAB and SCAN domains 8 (Zkscan8) protein, which can be effectively used as an excellent biomarker for obtaining accurate information about the occurrence and progression stages of a musculoskeletal disease, specifically a tendon disease or a ligament disease. The compositions containing Zkscan8 can be effectively used for preventing or treating a musculoskeletal disease through Zkscan8 overexpression.Type: ApplicationFiled: July 2, 2021Publication date: July 27, 2023Applicants: SEOUL NATIONAL UNIVERSITY HOSPITAL, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, CHEONGJU UNIVERSITY INDUSTRY & ACADEMY COOPERATION FOUNDATIONInventors: Hyun Chul JO, Young-il HWANG, Jin-Hee KIM, Jin-Hong KIM, Jae-Hyung LEE, Hyun-Ju LIM, Ah-Young LEE, Seung Yeon LEE, Ji-Hye YEA, Yeasol KIM
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Publication number: 20230045738Abstract: The present disclosure relates to a method of manufacturing an anode active material for a lithium secondary battery, the method including: mixing earth graphite and pitch coke with each other; preparing a raw material by adding and mixing a binder to the mixture; performing heat treatment on the raw material; graphitizing the heat-treated mixture to obtain a core part; immersing the core part in a hard carbon coating solution; and drying the coating solution in which the core part is immersed to obtain an anode active material.Type: ApplicationFiled: December 15, 2020Publication date: February 9, 2023Applicants: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Gang Ho LEE, Sei Min PARK, Jung-Chul AN, Jong Hoon YOON, Hyun-Chul JO
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Publication number: 20220088153Abstract: The present disclosure relates to a pharmaceutical composition for preventing or treating musculoskeletal disease, which has the effect of proliferating endogenous cells in bone marrow. More specifically, the pharmaceutical composition of the present disclosure can be used for the treatment of musculoskeletal disease since it proliferates endogenous cells in bone marrow and enhances the functions thereof.Type: ApplicationFiled: October 22, 2019Publication date: March 24, 2022Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Hyun Chul JO, Seung Yeon LEE
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Publication number: 20220077466Abstract: The present invention relates to a negative electrode active material of a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery using the same. An embodiment of the present invention provides a negative electrode active material for a lithium secondary battery, including a graphite material including secondary particles, wherein the secondary particles are an assembly of a plurality of primary particles, the primary particles include green coke, and a ratio ((D90?D10)/D50) of a difference between a particle diameter D90 and a particle diameter D10 with respect to a particle diameter D50 of the secondary particles is 1.0 to 1.32.Type: ApplicationFiled: December 6, 2019Publication date: March 10, 2022Inventors: Jung-Chul AN, Sei Min PARK, Gang Ho LEE, Moonkyu CHO, Byoung Ju KIM, Jong Hoon YOON, Hyun-Chul JO
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Publication number: 20210143425Abstract: Presented is a method for producing a negative electrode active material which has a high discharge capacity, high charge-discharge efficiency, and excellent high-output characteristics, and which experiences only a small volume change during charging/discharging. A method for producing a negative electrode active material for a lithium secondary battery according to an embodiment of the present invention includes: a step for producing primary particles by pulverizing a carbon raw material containing 4 to 10 wt % of volatile matters; a step for producing secondary particles by mixing the primary particles with a binder; and a step for producing a graphite material by graphitizing the secondary particles.Type: ApplicationFiled: August 1, 2018Publication date: May 13, 2021Inventors: Jung-Chul An, Sei Min Park, Jae Eun Lee, Byoung Ju Kim, Seung Jae You, Hyoung Geun Kim, Sang Eun Lee, Chan Woo Lee, Hyun-Chul Jo, Myung Ki Kim
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Publication number: 20210009944Abstract: The present invention relates to a method for isolating umbilical cord-derived stem cells, and more specifically to a method for isolating a significantly large number of mesenchymal stem cells from the umbilical cord having a specified size. The method of the present invention has a great advantage in that since stem cells can be isolated from an umbilical cord tissue without enzymatic treatment, stress applied to the cells can be significantly suppressed. In addition, stem cells obtained by the method of the present invention have superior proliferative capacity compared to stem cells obtained by conventional isolation methods.Type: ApplicationFiled: March 28, 2019Publication date: January 14, 2021Applicant: ACESOSTEM BIOSTRATEGIES INC.Inventors: Hyun Chul JO, Ah-Young LEE
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Publication number: 20200269257Abstract: Provided is a centrifugation method for extracting a target component from an object including: providing a centrifugal container including a first space in an upper portion, a second space in a lower portion, a nozzle connecting the first space and the second space, a second plunger movably received in the second space, and a nozzle blocking member to penetrate the center of the second plunger in a longitudinal direction and to linearly move on the second plunger to selectively open/close a lower end of the nozzle; storing the object; interlayer-separating the object by primarily centrifuging the object; passing only the target component in the object; blocking the lower end of the nozzle by means of the nozzle blocking member; resuspending components remaining in the first space and the nozzle while the nozzle is blocked; and extracting a target component resuspended in the first space.Type: ApplicationFiled: October 28, 2016Publication date: August 27, 2020Inventor: Hyun Chul JO
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Patent number: 10296381Abstract: The method and system for analyzing schedulability configured for a computer for operating an operating system that supports a task group of hard real-time scheduling or a user processor operated in an embedded circuit. The system includes an operating system including a file system and a kernel, and generating non-periodic real-time task information and periodic real-time task information from the file system and the kernel, a tool for testing hard real-time schedulability that collecting the non-periodic real-time task information by applying a first predetermined scheduling algorithm and determining schedulability of a reserved resource for a real-time task group including the non-periodic real-time task information through a second predetermined scheduling algorithm.Type: GrantFiled: February 23, 2017Date of Patent: May 21, 2019Assignee: AGENCY FOR DEFENSE DEVELOPMENTInventors: Dong-Kuk Ryu, Sang-Il Lee, Hyun-Wook Jin, Yin-Goo Yim, Hyun-Chul Jo
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Patent number: 10049792Abstract: Provided is a current lead wire using a superconducting tape. The current lead wire may comprise a first superconducting tape that electrically connects the first terminal and the second terminal; a second superconducting tape that is arranged in parallel with the first superconducting tape to electrically connect the first terminal with the second terminal; and a third superconducting tape that electrically connects the first superconducting tapes with the second superconducting tape.Type: GrantFiled: September 30, 2013Date of Patent: August 14, 2018Assignee: Industry-Academic Cooperation of Yonsei UniversityInventors: Tae Kuk Ko, Woo Seung Lee, Hyun Chul Jo, Young Jin Hwang, Ji Ho Lee, Seok Ho Nam
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Patent number: 9780609Abstract: A superconducting synchronous motor having a simple and stable structure is provided. The superconducting synchronous motor according to one embodiment of the present invention comprises: a rotary shaft; a rotation core mounted at the rotary shaft so as to be rotated by connecting with the rotary shaft; and hooked magnetic poles extending from one end of the rotation core in a longitudinal direction. Each of the hooked magnetic poles is composed of first and second inductors of a magnetic material alternately engaged with each other and a superconducting wire to be wound, and comprises a first superconducting field winding and a second superconducting field winding fixed closely at the other end of a first inductor rotation core and the other end of a second inductor rotation core, respectively. Each of the first superconducting field winding and the second superconducting field winding excites the first inductor and the second inductor to different poles.Type: GrantFiled: March 28, 2013Date of Patent: October 3, 2017Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Tae Kuk Ko, Young Jin Hwang, Jin Bae Na, Sukjin Choi, Hyun Chul Jo, Jae Young Jang, Hyung Jun Kim, Jiho Lee
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Publication number: 20170255488Abstract: The method and system for analyzing schedulability configured for a computer for operating an operating system that supports a task group of hard real-time scheduling or a user processor operated in an embedded circuit. The system includes an operating system including a file system and a kernel, and generating non-periodic real-time task information and periodic real-time task information from the file system and the kernel, a tool for testing hard real-time schedulability that collecting the non-periodic real-time task information by applying a first predetermined scheduling algorithm and determining schedulability of a reserved resource for a real-time task group including the non-periodic real-time task information through a second predetermined scheduling algorithm.Type: ApplicationFiled: February 23, 2017Publication date: September 7, 2017Inventors: Dong-Kuk RYU, Sang-Il LEE, Hyun-Wook JIN, Yin-Goo YIM, Hyun-Chul JO
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Publication number: 20160217889Abstract: Provided is a current lead wire using a superconducting tape. The current lead wire may comprise a first superconducting tape that electrically connects the first terminal and the second terminal; a second superconducting tape that is arranged in parallel with the first superconducting tape to electrically connect the first terminal with the second terminal; and a third superconducting tape that electrically connects the first superconducting tapes with the second superconducting tape.Type: ApplicationFiled: September 30, 2013Publication date: July 28, 2016Inventors: TAE KUK KO, Woo Seung Lee, Hyun Chul Jo, Young Jin Hwang, Ji Ho Lee, Seok Ho Nam