Patents by Inventor Hyun Min Jung
Hyun Min Jung 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: 20240233193Abstract: The present invention relates to a method and apparatus for encoding a displacement video using image tiling. A method for encoding multi-dimensional data according to an embodiment of the present disclosure may comprise: converting the multi-dimensional data into one or more frames with two-dimensional characteristics; generating one or more frame groups by grouping the one or more frames with pre-configured number units; reconstructing frames belonging to each frame group into a tiled frame; and generating a bitstream by encoding the tiled frame. Here, the tiled frame may be constructed with one or more blocks, and each block may be constructed by rearranging pixels existing at the same location in the frames.Type: ApplicationFiled: October 18, 2023Publication date: July 11, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Da Yun NAM, Hyun Cheol KIM, Jeong Il SEO, Seong Yong LIM, Chae Eun RHEE, Gwang Cheol RYU, Yong Wook SEO, Hyun Min JUNG
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Publication number: 20240135595Abstract: The present invention relates to a method and apparatus for encoding a displacement video using image tiling. A method for encoding multi-dimensional data according to an embodiment of the present disclosure may comprise: converting the multi-dimensional data into one or more frames with two-dimensional characteristics; generating one or more frame groups by grouping the one or more frames with pre-configured number units; reconstructing frames belonging to each frame group into a tiled frame; and generating a bitstream by encoding the tiled frame. Here, the tiled frame may be constructed with one or more blocks, and each block may be constructed by rearranging pixels existing at the same location in the frames.Type: ApplicationFiled: October 17, 2023Publication date: April 25, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Da Yun NAM, Hyun Cheol KIM, Jeong Il SEO, Seong Yong LIM, Chae Eun RHEE, Gwang Cheol RYU, Yong Wook SEO, Hyun Min JUNG
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Publication number: 20240121371Abstract: An image processing method includes obtaining a plurality of main images for a plurality of light field images captured from different viewpoints, generating a depth map representing depth information of the plurality of light field images, based on the plurality of main images, generating a plurality of prediction images for the plurality of light field images, based on the plurality of main images, generating a plurality of residual images representing a difference between the plurality of light field images and the plurality of prediction images, and generating a micro image based on the depth map and the plurality of residual images.Type: ApplicationFiled: October 3, 2023Publication date: April 11, 2024Applicant: INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Chae Eun RHEE, Hyun Min Jung
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Patent number: 11817584Abstract: The present invention relates to a binder for a lithium secondary battery, an electrode comprising the same, and a lithium secondary battery comprising the electrode. More specifically, the present invention provides a binder for a lithium secondary battery having excellent cycle life and high energy density, an anode for a lithium secondary battery comprising the same, and a lithium secondary battery prepared therefrom.Type: GrantFiled: January 21, 2019Date of Patent: November 14, 2023Assignee: IPI TECH INC.Inventors: Seung Wan Song, Hieu Quang Pham, Hyun Min Jung
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Publication number: 20210043935Abstract: The present invention relates to a binder for a lithium secondary battery, an electrode comprising the same, and a lithium secondary battery comprising the electrode. More specifically, the present invention provides a binder for a lithium secondary battery having excellent cycle life and high energy density, an anode for a lithium secondary battery comprising the same, and a lithium secondary battery prepared therefrom.Type: ApplicationFiled: January 21, 2019Publication date: February 11, 2021Inventors: Seung Wan SONG, Hieu QUANG PHAM, Hyun Min JUNG
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Publication number: 20150064543Abstract: A battery module including a plurality of battery cells aligned in one direction, each battery cell of the plurality of battery cells including a terminal portion on one surface thereof; and a housing on outer surfaces of the plurality of battery cells, wherein the housing includes a bending portion on at least one surface thereof, the bending portion protruding toward one battery cell of the plurality of battery cells.Type: ApplicationFiled: August 12, 2014Publication date: March 5, 2015Inventor: Hyun-Min JUNG
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Publication number: 20140356664Abstract: A battery module includes a plurality of battery cells aligned in one direction, the plurality of battery cells being adjacent to each other along a first direction, a pair of side plates spaced apart from each other along a second direction perpendicular to the first direction, the plurality of aligned battery cells being positioned between the pair of side plates, and barriers respectively interposed among the plurality of battery cells, each barrier including at least one first fixing portion on a side thereof, the at least one first fixing portion being coupled to a corresponding second fixing portion on a side plate of the pair of side plates.Type: ApplicationFiled: March 11, 2014Publication date: December 4, 2014Applicant: SAMSUNG SDI CO., LTD.Inventor: Hyun-Min JUNG
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Publication number: 20140295235Abstract: A battery module including a plurality of battery cells; and a housing accommodating the battery cells, the housing comprising a side plate, a bottom plate, and a bending portion between the side plate and the bottom plate, wherein the bending portion is configured to bias the side plate and the bottom plate toward the battery cells.Type: ApplicationFiled: February 18, 2014Publication date: October 2, 2014Applicant: SAMSUNG SDI CO., LTD.Inventor: Hyun-Min Jung
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Patent number: 8808587Abstract: The present invention relates to a method of preparing a microcapsule with a double-layered structure which comprises the steps of performing an interfacial polymerization of an amine-aldehyde prepolymer on droplets containing an inorganic metal precursor selected from carboxylate and alkoxide compounds, and hydrolyzing the including inorganic precursors for formation of inorganic inner layer. The method of the present invention can prepare a microcapsule with a double-layered structure of an inorganic inner layer and a polymer outer layer, which is effective for eluting and substituting a core material inside the capsule.Type: GrantFiled: August 19, 2008Date of Patent: August 19, 2014Assignee: Korea Research Institute of Chemical TechnologyInventors: Hyun Min Jung, Yong Seok Kim, Jae Heung Lee, Jong Chan Won, Soon-Ryoung Hur
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Patent number: 8586700Abstract: Disclosed is a method for preparing a poly(ethersulfonimide or ethersulfonamide) copolymer using cyclic oligomers, and more particularly, to a method for preparing a poly(ethersulfonimide or ethersulfonamide) copolymer by preparing a cyclic ether sulfone oligomer and a cyclic imide or amide oligomer and subjecting the cyclic ether sulfone oligomer and the cyclic imide or amide oligomer to ring-opening copolymerization in the presence of an alkali metal fluoride catalyst.Type: GrantFiled: October 7, 2010Date of Patent: November 19, 2013Assignee: Korea Reasearch Institute of Chemical TechnologyInventors: Yong Seok Kim, Hyun Min Jung, Jong Chan Won, Jae Heung Lee
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Publication number: 20130053530Abstract: Disclosed is a method for preparing a poly(ethersulfonimide or ethersulfonamide) copolymer using cyclic oligomers, and more particularly, to a method for preparing a poly(ethersulfonimide or ethersulfonamide) copolymer by preparing a cyclic ether sulfone oligomer and a cyclic imide or amide oligomer and subjecting the cyclic ether sulfone oligomer and the cyclic imide or amide oligomer to ring-opening copolymerization in the presence of an alkali metal fluoride catalyst.Type: ApplicationFiled: October 7, 2010Publication date: February 28, 2013Inventors: Yong Seok Kim, Hyun Min Jung, Jong Chan Won, Jae Heung Lee
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Patent number: 8119292Abstract: Disclosed is a lithium secondary battery comprising a cathode, an anode, an electrolyte and a separator, wherein the anode comprises an anode active material having a specific surface area of 3 m2/g or less, and the electrolyte comprises 0.1˜6 parts by weight of a propane sultone-based compound based on 100 parts by weight of the electrolyte. The lithium secondary battery solves the problem of performance degradation caused by the use of an increased amount of a propane sultone-based compound required to form a SEI film on the surface of an anode upon the first charge cycle. Also, the lithium secondary battery can provide improved cycle characteristics and high-temperature storage characteristics.Type: GrantFiled: September 15, 2006Date of Patent: February 21, 2012Assignee: LG Chem, Ltd.Inventors: Ho Chun Lee, Tae Yoon Park, Yong Su Choi, Soo Jin Yoon, Hong Kyu Park, Hyun Min Jung, Jeong Ae Ahn
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Publication number: 20110240119Abstract: The following description provides a method for preparing electrodes for solar cells, substrates for the solar cell prepared using the same, and the solar cells. The method forms conductive paste on substrates by a printing method and a wet metal plating method, and forms a non-porous cell structure by directly plating a crystallized metal layer on the substrates via etching without using excessive non-crystallized conductive paste or plating the porous conductive paste with metal.Type: ApplicationFiled: June 10, 2011Publication date: October 6, 2011Inventors: Su Jin Lee, Sun Chan Park, Yong Ki Lee, Hyun Min Jung
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Publication number: 20110214734Abstract: The present invention provides a method for manufacturing an electrode for a solar cell, a substrate for the solar cell manufactured by the same, and a solar cell manufactured by the same. The present invention forms an electrode of a specific pattern through an offset printing system, and plates the electrode through a plating process to fill the metal-free region of a bus bar electrode with a plating metal and thus reduce the sheet resistance of the bus bar. The present invention obtains a finger electrode with a line with 100 microns or less through the combination of an offset printing process and a wet metal plating process. Further, the present invention obtains an electrode with an aspect ratio of 0.2 to 0.6 to reduce light shield effects and improve efficiency of the solar cell. The present invention eliminates the necessity of multilayer offset printing, and thus to reduce use of expensive conductive paste with might otherwise increase in proportion to the number of times printing is performed.Type: ApplicationFiled: May 18, 2011Publication date: September 8, 2011Applicant: SSCP CO., LTD.Inventors: Su Jin Lee, Ghi Yun Kang, Hyun Min Jung, Dae Sung Lee
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Publication number: 20100237520Abstract: The present invention relates to a method of preparing a microcapsule with a double-layered structure which comprises the steps of performing an interfacial polymerization of an amine-aldehyde prepolymer on droplets containing an inorganic metal precursor selected from carboxylate and alkoxide compounds, and hydrolyzing the including inorganic precursors for formation of inorganic inner layer. The method of the present invention can prepare a microcapsule with a double-layered structure of an inorganic inner layer and a polymer outer layer, which is effective for eluting and substituting a core material inside the capsule.Type: ApplicationFiled: August 19, 2008Publication date: September 23, 2010Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Hyun Min Jung, Yong Seok Kim, Jae Heung Lee, Jong Chan Won, Soon-Ryoung Hur
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Publication number: 20100102351Abstract: The present disclosure relates to a semiconductor light-emitting device and a method of manufacturing the same, and more particularly, to a III-nitride semiconductor light-emitting device which improves external quantum efficiency by forming an irregular portion on a surface of a semiconductor layer by a protrusion formed on a substrate, and a method of manufacturing the same.Type: ApplicationFiled: December 23, 2009Publication date: April 29, 2010Applicant: EPIVALLEY CO., LTD.Inventors: Chang Tae Kim, Tae Hee Lee, Hyun Min Jung, Gi Yeon Nam
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Publication number: 20090020771Abstract: The present disclosure relates to an III-nitride compound semiconductor light emitting device and a method of manufacturing the same. The III-nitride compound semiconductor light emitting device includes a substrate with a groove formed therein, a plurality of nitride compound semiconductor layers being grown on the substrate, and including an active layer for generating light by recombination of electron and hole, and an opening formed on the groove along the plurality of nitride compound semiconductor layers.Type: ApplicationFiled: August 21, 2008Publication date: January 22, 2009Applicant: EPIVALLEY CO., LTD.Inventors: Chang-Tae Kim, Hyun-Min Jung, Eui-Gue Jeon, Hyun-Suk Kim, Gi-Yeon Nam, Byeong-Kyun Choi
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Publication number: 20080315240Abstract: The present disclosure relates to an III-nitride semiconductor light emitting device, particularly, an electrode structure thereof. The III-nitride semiconductor light emitting device includes a substrate, a plurality of III-nitride semiconductor layers grown on the substrate, and composed of a first III-nitride semiconductor layer with first conductivity, a second III-nitride semiconductor layer with second conductivity different from the first conductivity, and an active layer positioned between the first III-nitride semiconductor layer and the second III-nitride semiconductor layer, for generating light by recombination of electrons and holes, and a hole passing through the substrate and the plurality of III-nitride semiconductor layers.Type: ApplicationFiled: August 21, 2008Publication date: December 25, 2008Applicant: EPIVALLEY CO., LTD.Inventors: Chang Tae Kim, Hyun-Min Jung, Tae Hee Lee, Byeong Kyun Choi, Hyun Suk Kim, Gi Yeon Nam
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Publication number: 20050133798Abstract: A nitride semiconductor template having nano-voids at an interface between a substrate having one embossed surface and a nitride semiconductor layer can be rapidly prepared by hydride vapor phase epitaxy (HVPE) growth of the nitride semiconductor layer on the embossed surface of the substrate.Type: ApplicationFiled: December 20, 2004Publication date: June 23, 2005Inventors: Hyun-Min Jung, Hae-Yong Lee, Hyun-Min Shin, Choon-Kon Kim, Chang-Ho Lee, Jeong-Wook Lee, Cheol-Soo Sone, Jae-Hee Cho
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Patent number: 6753443Abstract: The present invention relates to a process for preparing a chiral ester according to the formula (100): by reacting (i) a racemic alcohol, (ii) a selected ruthenium complex to activate racemization of the racemic alcohol, (iii) a lipase to selectively acylate one enantiomer of the racemic alcohol, and (iv) an acyl donor compound to supply an acyl group to the lipase.Type: GrantFiled: March 2, 2001Date of Patent: June 22, 2004Assignees: Samsung Fine Chemicals Co., Ltd., Pohang University of Science and TechnologyInventors: Jai Wook Park, Mahn-Joo Kim, Jeong Hwan Koh, Hyun Min Jung