Patents by Inventor Dae Young Lim
Dae Young 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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Publication number: 20240080450Abstract: The present invention discloses an image decoding method, the method including generating a candidate list including motion information derived from a spatial neighboring block and a temporal neighboring block adjacent to a current block; deriving motion information of the current block using the candidate list; generating a prediction block of the current block using the derived motion information; and updating the derived motion information in a motion information list, wherein the generating of the candidate list is performed in such a manner as to include at least one information of the motion information included in the updated motion information list in a block decoded before the current block.Type: ApplicationFiled: November 2, 2023Publication date: March 7, 2024Applicants: Electronics and Telecommunications Research Institute, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITYInventors: Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Jin Ho LEE, Hui Yong KIM, Gwang Hoon PARK, Tae Hyun KIM, Dae Young LEE
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Publication number: 20230166863Abstract: A method and apparatus for inspecting an aeronautical light using an aerial vehicle are disclosed. The method includes defining a first reference point based on a plurality of aeronautical lights installed on a runway surface, and defining a second reference point based on the first reference point, defining a flight path of the aerial vehicle taking off from the second reference point and heading to the first reference point, transmitting, to the ground, an image of the aeronautical lights photographed by the aerial vehicle, and inspecting and adjusting elevation angles of the aeronautical lights by analyzing the image of the aeronautical lights in real time.Type: ApplicationFiled: June 9, 2021Publication date: June 1, 2023Inventors: Jin Seob JUNG, Chae Taek LIM, Byung Joo PARK, Dae Sin YU, Dae Young LIM, Kwang Ock RYU, Young Il GO
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Publication number: 20200178388Abstract: Disclosed are a fiber composite laminate including a self-assembled conductive paste and a method of manufacturing the same. The fiber composite laminate includes a fiber-based circuit unit including a fiber substrate and a circuit electrode positioned on the fiber substrate, a composite binder unit positioned on the fiber-based circuit unit, and a connection unit including a connection electrode positioned on the composite binder unit and a flexible substrate positioned on the composite binder unit and the connection electrode. The fiber composite laminate can thus be applied to wearable devices having increased conductivity and durability of joints thereof, a minimized foreign-body sensation, and an improved wearing sensation. Moreover, productivity can be increased owing to a simple manufacturing process, and mass production becomes possible.Type: ApplicationFiled: November 29, 2019Publication date: June 4, 2020Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Eui Sang YOO, Hyun Kyung LEE, Eunjoo KIM, Jung Hun LEE, Soo Hyeon RHO, Dae Young LIM, Ju Hee SO
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Patent number: 10428458Abstract: The present invention relates to a medical nonwoven fabric comprising gelable cellulose derivative short-cut fibers as prepared by the paper making process, a preparation method thereof, and an adhesion prevention barrier using the same. The present invention provides a single phase of medical nonwoven fabric comprising gelable cellulose derivative short-cut fibers, to induce capillary action of micropores formed between the fibers and thereby control the gelation time, and provides a composite nonwoven fabric formed by laminating a nonwoven fabric layer comprising a different kind of biodegradable polymer material not susceptible to gelation on the single-phase of medical nonwoven fabric comprising gelable cellulose derivative short-cut fibers, thereby improving dimensional stability and convenience of surgical procedure. The present invention further provides a dyed medical nonwoven fabric to improve visibility, allowing easiness of recognizing the placement or location of the medical nonwoven fabric.Type: GrantFiled: February 5, 2016Date of Patent: October 1, 2019Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Jung Nam Im, Dae Young Lim, Guk-Hwan An, Yoon Jin Kim
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Patent number: 10093066Abstract: The present invention relates to a multi-layered composite material manufactured by thermocompressing a multi-layered sheet, comprising: a first sheet layer formed from a solution containing nanofibrillated cellulose and a first thermoplastic matrix polymer; and a second sheet layer formed from a solution containing a second thermoplastic matrix polymer. The multi-layered composite material of the present invention has the high strength and high elastic modulus.Type: GrantFiled: December 19, 2014Date of Patent: October 9, 2018Assignee: Korea Institute of Industrial TechnologyInventors: Dae Young Lim, Ki Young Kim, Jin Ah Lee
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Patent number: 9909018Abstract: Disclosed are a shear thickening fluid (STF) comprising solid particles and a dispersion medium, wherein the solid particles comprise silica particles as a first component and carbon nanoparticles as a second component and a method for preparing a shear thickening fluid, comprising mixing silica particles, a dispersion medium for silica particles, and a carbon nanoparticle dispersion.Type: GrantFiled: March 12, 2014Date of Patent: March 6, 2018Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Eui Sang Yoo, Ju Hea Kim, Won Young Jeong, Hyun Kyung Lee, Jae Kyoung Lee, Joon Taek Jun, Nam Hee Kwon, Mi Yeon Kwon, Dae Young Lim
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Patent number: 9605135Abstract: Disclosed are a shear thickening fluid (STF) and a polymer composite comprising a core filled with a shear thickening fluid containing silica particles dispersed in polyethylene glycol; an inner capsule layer formed of an emulsifier surrounding the shear thickening fluid; and an outer capsule layer formed of a thermosetting resin surrounding the inner capsule layer.Type: GrantFiled: December 16, 2013Date of Patent: March 28, 2017Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Eui Sang Yoo, Ju Hea Kim, Won Young Jeong, Hyun Kyung Lee, Jae Kyoung Lee, Joon Taek Jun, Nam Hee Kwon, Mi Yeon Kwon, Dae Young Lim
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Publication number: 20170028672Abstract: The present invention relates to a multi-layered composite material manufactured by thermocompressing a multi-layered sheet, comprising: a first sheet layer formed from a solution containing nanofibrillated cellulose and a first thermoplastic matrix polymer; and a second sheet layer formed from a solution containing a second thermoplastic matrix polymer. The multi-layered composite material of the present invention has the high strength and high elastic modulus.Type: ApplicationFiled: December 19, 2014Publication date: February 2, 2017Inventors: Dae Young Lim, Ki Young Kim, Jin Ah Lee
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Publication number: 20160376749Abstract: The present invention relates to a method for preparing nanofibrillated cellulose capable of producing high-quality cellulose nanofibrils by a simple process without using the conventional enzymatic treatment, in which a cellulose aqueous dispersion is homogenized by adding an aqueous alkaline solution having a pH between 8 and 14 thereto so that the aqueous alkaline solution aids the swell of an amorphous region of cellulose, thereby promoting the nanofibrillation of cellulose during the homogenizing process.Type: ApplicationFiled: December 19, 2013Publication date: December 29, 2016Applicant: Korea Institute of Industrial TechnologyInventors: Dae Young Lim, Ki Young Kim, Jin Ah Lee
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Patent number: 9518177Abstract: The present invention relates to a composite material for a transport, including a polypropylene resin and a carbon long fiber, and more particularly, to a fiber reinforced composite material composition for a transport including 40-90 wt % of a polypropylene resin, 5-60 wt % of a carbon long fiber having a fiber diameter of 1-50 ?m and a weight average fiber length of 20-150 mm, and 0.3-10 wt % of a compatibilizer. The compatibilizer includes one selected from the group consisting of an ionomer, a copolymer of propylene-polar monomer, a modification water added polymer and combinations thereof. The composite material has improved interface properties between the polypropylene resin and the carbon long fiber owing to a specific compatibilizer, improved rigidity, impact resistance and heat resistance, and may be applied to various fields requiring the fiber reinforced composite material as well as various transports including an automobile.Type: GrantFiled: September 12, 2013Date of Patent: December 13, 2016Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Dong Hyun Kim, Dae Young Lim, Ki Young Kim, No Hyung Park, Hyo Jin An, Jung Soo Kim, Eun Soo Lee
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Patent number: 9481963Abstract: The present invention relates to a manufacturing method of a carboxymethyl cellulose nonwoven fabric which includes the carboxymethylation of cellulose fibers and the subsequent paper-making process to prepare a carboxymethyl cellulose nonwoven fabric. Comparing with the conventional method involving carboxymethylation of a nonwoven fabric, the method of the present invention has convenience and easiness of the process and thus enables production on a large scale. Further, the carboxymethyl cellulose nonwoven fabric manufactured by the present invention is susceptible to gelation upon contact with body fluids or water and thus useful as a medical nonwoven fabric or a mask pack.Type: GrantFiled: October 23, 2013Date of Patent: November 1, 2016Assignee: Korea Institute of Industrial TechnologyInventors: Jung Nam Im, Song Jun Doh, Dae Young Lim, Ji Yun Lee
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Publication number: 20160289427Abstract: Disclosed are a shear thickening fluid (STF) and a polymer composite comprising a core filled with a shear thickening fluid containing silica particles dispersed in polyethylene glycol; an inner capsule layer formed of an emulsifier surrounding the shear thickening fluid; and an outer capsule layer formed of a thermosetting resin surrounding the inner capsule layer.Type: ApplicationFiled: December 16, 2013Publication date: October 6, 2016Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Eui Sang YOO, Ju Hea KIM, Won Young JEONG, Hyun Kyung LEE, Jae Kyoung LEE, Joon Taek JUN, Nam Hee KWON, Mi Yeon KWON, Dae Young LIM
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Publication number: 20160289467Abstract: Disclosed are a shear thickening fluid (STF) comprising solid particles and a dispersion medium, wherein the solid particles comprise silica particles as a first component and carbon nanoparticles as a second component and a method for preparing a shear thickening fluid, comprising mixing silica particles, a dispersion medium for silica particles, and a carbon nanoparticle dispersion.Type: ApplicationFiled: March 12, 2014Publication date: October 6, 2016Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Eui Sang YOO, Ju Hea KIM, Won Young JEONG, Hyun Kyung LEE, Jae Kyoung LEE, Joon Taek JUN, Nam Hee KWON, Mi Yeon KWON, Dae Young LIM
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Publication number: 20160223725Abstract: The present invention relates to a diffusion sheet, a method for manufacturing the same, and a backlight unit using the same for a liquid crystal display. The diffusion sheet of the present invention is configured to have at least two or more fibrous layers alternately embedded within a matrix, and arranged at the combination of at least two or more angles of 0°, 90° and ±? between successive layers, each fibrous layer having fibers arranged in parallel to each other in one direction, so that the diffusion sheet promotes two-dimensional diffusion distributions, thus uniformly diffusing the light irrespective of the initial angle and direction, to a method for manufacturing a diffusion sheet wherein a matrix component and a fibrous layer component are simultaneously extruded to allow fibrous layers to be arranged in situ in a matrix, the present invention has the benefit of simultaneously shortening the process and thinning the thickness.Type: ApplicationFiled: May 30, 2014Publication date: August 4, 2016Applicant: Korea Institute of Industrial TechnologyInventors: Dae Young Lim, Won Young Jeong, Tae Hyung Kim
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Publication number: 20160154160Abstract: The present invention relates to a method for manufacturing in-situ oriented-fiber composite material, the method simultaneously extruding, using thermoplastic members, matrix ingredients and fiber ingredients, and passing same through a nozzle of a set cross-sectional shape, weight and fill ratio of the fiber ingredient, thereby aligning the fiber ingredients within the matrix in one direction one single continuous step, and thus, by means of the production method, the process is shortened, the thinning of the thickness of the oriented-fiber composite material is attained, and particularly, filling, distribution and reinforcement of the fiber within the matrix can be effectively controlled and a high density of the fiber can be attained.Type: ApplicationFiled: May 30, 2014Publication date: June 2, 2016Applicant: Korea Institute of Industrial TechnologyInventors: Dae Young Lim, Won Young Jeong, Tae Hyung Kim
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Publication number: 20160153143Abstract: The present invention relates to a medical nonwoven fabric comprising gelable cellulose derivative short-cut fibers as prepared by the paper making process, a preparation method thereof, and an adhesion prevention barrier using the same. The present invention provides a single phase of medical nonwoven fabric comprising gelable cellulose derivative short-cut fibers, to induce capillary action of micropores formed between the fibers and thereby control the gelation time, and provides a composite nonwoven fabric formed by laminating a nonwoven fabric layer comprising a different kind of biodegradable polymer material not susceptible to gelation on the single-phase of medical nonwoven fabric comprising gelable cellulose derivative short-cut fibers, thereby improving dimensional stability and convenience of surgical procedure. The present invention further provides a dyed medical nonwoven fabric to improve visibility, allowing easiness of recognizing the placement or location of the medical nonwoven fabric.Type: ApplicationFiled: February 5, 2016Publication date: June 2, 2016Inventors: Jung Nam Im, Dae Young Lim, Guk-Hwan An, Yoon Jin Kim
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Publication number: 20160137823Abstract: The present invention relates to a composite material for a transport, including a polypropylene resin and a carbon long fiber, and more particularly, to a fiber reinforced composite material composition for a transport including 40-90 wt % of a polypropylene resin, 5-60 wt % of a carbon long fiber having a fiber diameter of 1-50 ?m and a weight average fiber length of 20-150 mm, and 0.3-10 wt % of a compatibilizer. The compatibilizer includes one selected from the group consisting of an ionomer, a copolymer of propylene-polar monomer, a modification water added polymer and combinations thereof. The composite material has improved interface properties between the polypropylene resin and the carbon long fiber owing to a specific compatibilizer, improved rigidity, impact resistance and heat resistance, and may be applied to various fields requiring the fiber reinforced composite material as well as various transports including an automobile.Type: ApplicationFiled: September 12, 2013Publication date: May 19, 2016Inventors: Dong Hyun KIM, Dae Young LIM, Ki Young KIM, No Hyung PARK, Hyo Jin AN, Jung Soo KIM, Eun Soo LEE
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Patent number: 9333721Abstract: A multiple fiber spinning apparatus and a method of controlling the same. The apparatus includes an extruding unit, a spin block unit and a spinning nozzle unit. The extruding unit includes extruders that melt, extrude and transfer polymer materials. The spin block unit includes a gear pump unit which has gear pumps connected to each of the extruders. The gear pumps receive the polymer materials from the corresponding extruders and discharge the polymer materials. The spin block unit further includes a flow passage unit which has flow passages connected to the respective gear pumps. The spinning nozzle unit includes spinning nozzles, each of which is connected to one of the gear pumps of each extruder by the corresponding flow passage, so that each spinning nozzle receives the molten polymer materials and spins the polymer materials into a fiber.Type: GrantFiled: November 16, 2011Date of Patent: May 10, 2016Assignee: Korea Institute of Industrial TechnologyInventors: Wan-Gyu Hahm, Sung Won Byun, Dae Young Lim, Min Sun Kim, Byeong Jin Yeang
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Patent number: 8835073Abstract: Disclosed is a polymer membrane for a battery including a porous support including a fiber including a core including a high melting-point polymer; and a sheath including a low melting-point polymer surrounding the core, and a method of preparing the same. The polymer membrane for a battery may further include a proton conductive polymer.Type: GrantFiled: October 7, 2010Date of Patent: September 16, 2014Assignees: Samsung SDI Co., Ltd., Korea Institute of Industrial TechnologyInventors: Sang-Il Han, Hee-Tak Kim, Dae-Young Lim, Jung-Nam Im, Guk-Hwan An, Ki-Young Kim
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Publication number: 20130200544Abstract: A multiple fiber spinning apparatus and a method of controlling the same. The apparatus includes an extruding unit, a spin block unit and a spinning nozzle unit. The extruding unit includes extruders that melt, extrude and transfer polymer materials. The spin block unit includes a gear pump unit which has gear pumps connected to each of the extruders. The gear pumps receive the polymer materials from the corresponding extruders and discharge the polymer materials. The spin block unit further includes a flow passage unit which has flow passages connected to the respective gear pumps. The spinning nozzle unit includes spinning nozzles, each of which is connected to one of the gear pumps of each extruder by the corresponding flow passage, so that each spinning nozzle receives the molten polymer materials and spins the polymer materials into a fiber.Type: ApplicationFiled: November 16, 2011Publication date: August 8, 2013Applicant: Korea Institute of Industrial TechnologyInventors: Wan-Gyu Hahm, Sung Won Byun, Dae Young Lim, Min Sun Kim, Byeong Jin Yeang