Patents by Inventor Kyung Ju An
Kyung Ju An 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).
-
Publication number: 20230088061Abstract: In one example, a system comprises a laser assisted bonding (LAB) tool. The LAB tool comprises a stage block and a first lateral laser source facing the stage block from a lateral side of the stage block. The stage block is configured to support a substrate and a first electronic component coupled with the substrate, and the first electronic component comprises a first interconnect. The first lateral laser source is configured to emit a first lateral laser beam laterally toward the stage block to induce a first heat on the first interconnect to bond the first interconnect with the substrate. Other examples and related methods are also disclosed herein.Type: ApplicationFiled: November 29, 2022Publication date: March 23, 2023Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Dong Hyeon Park, Min Ho Kim, Dong Su Ryu, Seok Ho Na, Choong Hoe Kim, Yun Seok Song, Woo Kyung Ju, Dong Joo Park
-
Patent number: 11590443Abstract: A system and method for making electret media is presently provided. The method involves placing a piezoelectric material adjacent a media and applying a mechanical stress to the piezoelectric material and thereby transferring an electric charge from the piezoelectric material to the media and making the electret media. The system is configured to place the piezoelectric material adjacent the media and to apply mechanical stress to the piezoelectric material.Type: GrantFiled: August 2, 2019Date of Patent: February 28, 2023Assignee: Clean and Science Company, Ltd.Inventor: Kyung-Ju Choi
-
Publication number: 20230034346Abstract: The present invention may provide a motor including a housing, a stator disposed in the housing, a shaft disposed in the stator, a guide part in contact with an outer circumferential surface of the shaft, and a magnet coupled to the guide part, wherein the guide part includes a first guide disposed on a side surface of the shaft and a second guide extending from the first guide in an axial direction.Type: ApplicationFiled: December 1, 2020Publication date: February 2, 2023Inventor: Kyung Ju KIM
-
Patent number: 11541721Abstract: A vehicular heat management system includes a refrigerant circulation line configured to cool or heat a passenger compartment by generating a hot air or a cold air depending on a flow direction of a refrigerant, a cooling water circulation line configured to heat the passenger compartment with waste heat of an engine by allowing cooling water of the engine to circulate through a heater core, a refrigerant-cooling water heat exchanger disposed in the cooling water circulation line to allow the refrigerant and the cooling water to exchange heat, and an engine cooling water independent circulation unit configured to allow the cooling water passed through the engine to bypass the heater core and the refrigerant-cooling water heat exchanger.Type: GrantFiled: April 16, 2019Date of Patent: January 3, 2023Assignee: Hanon SystemsInventors: Doo Hoon Kim, Hyeon Gyu Kim, Kyung Ju An, Joong Man Han
-
Publication number: 20220341166Abstract: The present disclosure provides a breakaway-prevent trolley system for a flexible retractable structure, including a plate that supports a cable, and a trolley that is movable on the cable and folds or unfolds a flexible film, in which the trolley includes: a slider 100 movable along the cable while in contact with the same; a flexible film coupling member 200 provided under the slider and coupled to the flexible film; an elastic module (E) provided inside the slider, and the elastic module includes: an elastic block 10 including a spring therein and moving under an elastic force of the spring by a predetermined distance in a vertical direction; and an upper support plate 11 that supports the elastic block from above, a side support plate 12 that supports the elastic block from a side, and a lower support plate 13 that supports the elastic block from below, and a lower surface of the elastic block is provided to be vertically movable while in contact with an upper surface of the plate.Type: ApplicationFiled: July 3, 2020Publication date: October 27, 2022Applicant: UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATIONInventors: Kyung Ju HWANG, Yun Jin KIM, Alexander HUB
-
Publication number: 20220181722Abstract: A vehicular heat management system for individually cooling and heating a plurality of air conditioning regions of a vehicle includes a plurality of refrigerant circulation lines configured to cool and heat the air conditioning regions individually shared by the refrigerant circulation lines. The refrigerant circulation lines are provided with one or more air conditioning units for individually cooling and heating the respective air conditioning regions, and are configured to supply a refrigerant to the corresponding air conditioning units to individually cool and heat the air conditioning regions corresponding to the air conditioning units.Type: ApplicationFiled: February 26, 2020Publication date: June 9, 2022Inventors: Doo Hoon KIM, Hyeon Gyu KIM, Kyung Ju AN, Jin Jae LEE, Joong Man HAN
-
Publication number: 20220176776Abstract: A vehicular heat management system is provided with a heat pump type refrigerant circulation line that cools and heats specific air conditioning regions by generating a hot air or a cold air depending on a flow direction of a refrigerant. The system includes a compressor configured to suck, compress and discharge the refrigerant, a high-pressure side heat exchanger configured to dissipate heat of the refrigerant discharged from the compressor, an outdoor heat exchanger configured to allow the refrigerant to exchange heat with an air outside the vehicle, an expansion valve configured to depressurize the refrigerant flowing out of the high-pressure side heat exchanger or the outdoor heat exchanger, and one or more low-pressure side heat exchangers configured to evaporate the depressurized refrigerant. The outdoor heat exchanger and the low-pressure side heat exchangers are connected in series or in parallel depending on an air conditioning mode.Type: ApplicationFiled: March 31, 2020Publication date: June 9, 2022Inventors: Jun Min LEE, Yong Sik KIM, Chul Hee KIM, Byeong Ha LEE, Jae O JUNG, Jin Jae LEE, Doo Hoon KIM, Kyung Ju AN, Joong Man HAN
-
Patent number: 11331978Abstract: An integrated heat management system for a vehicle includes an air conditioner configured to cool or heat a passenger compartment using a refrigerant, a water-cooled cooling device configured to cool a specific device using the refrigerant of the air conditioner, and an air conditioning load change preventing unit configured to prevent a sudden change in an air conditioning load of the air conditioner when turning on or off the water-cooled cooling device with respect to the air conditioner.Type: GrantFiled: April 10, 2019Date of Patent: May 17, 2022Assignee: Hanon SystemsInventors: Doo Hoon Kim, Hyeon Gyu Kim, Kyung Ju An, Sang Jun Yoo, Joong Man Han
-
Publication number: 20210398940Abstract: In one example, a method to manufacture a semiconductor device comprises providing an electronic component over a substrate, wherein an interconnect of the electronic component contacts a conductive structure of the substrate, providing the substrate over a laser assisted bonding (LAB) tool, wherein the LAB tool comprises a stage block with a window, and heating the interconnect with a laser beam through the window until the interconnect is bonded with the conductive structure. Other examples and related methods are also disclosed herein.Type: ApplicationFiled: June 23, 2020Publication date: December 23, 2021Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Min Ho Kim, Seok Ho Na, Dong Hyeon Park, Choong Hoe Kim, Woo Kyung Ju, Yun Seok Song, Dong Su Ryu
-
Publication number: 20210398936Abstract: In one example, a system can comprise a laser assisted bonding (LAB) tool comprising a stage block and a laser source facing the stage block. The stage block can be configured to support a first substrate and a first electronic component coupled with the first substrate, the first electronic component comprising a first interconnect. The laser source can be configured to emit a first laser towards the stage block to induce a first heat on the first interconnect to bond the first interconnect with the first substrate. Other examples and related methods are also disclosed herein.Type: ApplicationFiled: April 29, 2021Publication date: December 23, 2021Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Dong Hyeon Park, Min Ho Kim, Dong Su Ryu, Seok Ho Na, Choong Hoe Kim, Yun Seok Song, Woo Kyung Ju
-
Patent number: 11117442Abstract: Disclosed herein is an air conditioning system for a vehicle, in which an air conditioning unit having noise inducing unit is arranged at an engine room based on a dash panel and a distribution duct for distributing air to the interior of the vehicle is arranged in the interior of the vehicle based on the dash panel, thereby reducing noise and vibration in the interior of the vehicle, securing visibility and enabling a worker to easily access the air conditioning system for follow-up service because the air conditioning unit causing noise is arranged inside the engine room, and enhancing passengers' convenience by maximizing the interior space of the vehicle in comparison with the conventional air conditioning systems because only the distribution duct is arranged in the interior of the vehicle.Type: GrantFiled: September 28, 2017Date of Patent: September 14, 2021Assignee: HANON SYSTEMSInventors: Joong Man Han, Doo Hoon Kim, Chul Hee Kim, Hyeon Gyu Kim, Kyung Ju An
-
Patent number: 11046148Abstract: The present invention relates to an air conditioner for a vehicle with a heat pump system structure, which has a simple piping structure and enhances heating performance, thereby reducing a package, and making common use with an air conditioner for an internal combustion engine possible.Type: GrantFiled: April 26, 2018Date of Patent: June 29, 2021Assignee: Hanon SystemsInventors: Hyeon Gyu Kim, Doo Hoon Kim, Chul Hee Kim, Kyung Ju An, Joong Man Han
-
Publication number: 20210036216Abstract: A system and method for making electret media is presently provided. The method involves placing a piezoelectric material adjacent a media and applying a mechanical stress to the piezoelectric material and thereby transferring an electric charge from the piezoelectric material to the media and making the electret media. The system is configured to place the piezoelectric material adjacent the media and to apply mechanical stress to the piezoelectric material.Type: ApplicationFiled: August 2, 2019Publication date: February 4, 2021Inventor: KYUNG-JU Choi
-
Patent number: 10857519Abstract: Provided is a catalyst including: a support including titanium oxide; an active catalyst component including vanadium oxide; and a co-catalyst including antimony and cerium, in which the catalyst is included in a deNox reduction reaction that decomposes nitrogen oxide. The catalyst may improve sulfur poisoning tolerance characteristics while improving the deNox efficiency at a temperature in a wide range from low temperature to high temperature.Type: GrantFiled: February 6, 2013Date of Patent: December 8, 2020Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Heon Phil Ha, Kyung Ju Lee
-
Patent number: 10821801Abstract: The temperature control device for a vehicle, heats the interior of the vehicle and a battery, and an air conditioner for a vehicle having the same. The battery temperature control device includes a refrigerant circulation line having a compressor, an indoor heat exchanger, expansion means and an outdoor heat exchanger; a coolant circulation line which circulates a heater core mounted to heat the interior of the vehicle; and a coolant heat exchanger mounted to exchange heat between refrigerant circulating the refrigerant circulation line and coolant circulating the coolant circulation line, wherein a battery is arranged on the coolant circulation line.Type: GrantFiled: July 29, 2019Date of Patent: November 3, 2020Assignee: Hanon SystemsInventors: Doo Hoon Kim, Young Hum Han, Chul Hee Kim, Hyeon Gyu Kim, Joong Man Han, Kyung Ju An, Jung Won Cho
-
Patent number: 10617984Abstract: A tailored multilayered nano-fibrous filtration media having at least two adjacent layers of nano-fibrous media and a method for making is presently disclosed. The method comprises selecting an overall mean flow pore size for tailoring the multilayered nano-fibrous filtration media, choosing a first layers of nano-fibrous media, calculating an overall mean flow pore size (OMFP) of the tailored multilayered nano-fibrous filtration media, determining if the calculated OMFP is approximately equal to the selected OMFP, if not approximately equal then choosing a different number of layers chosen or choosing at least one layer having a porosity or mean flow pore size different than the previously chosen layer of nano-fibrous media, and adjacently layering each finally chosen layer of nano-fibrous media.Type: GrantFiled: April 17, 2015Date of Patent: April 14, 2020Assignee: Clean and Science Company, Ltd.Inventor: Kyung-Ju Choi
-
Publication number: 20200070619Abstract: A vehicular heat management system includes a refrigerant circulation line configured to generate hot energy or cold energy depending on a flow direction of a refrigerant, a heater core side coolant circulation line configured to transfer refrigerant heat generated in the refrigerant circulation line to a heater core to heat a passenger compartment, and a battery side coolant circulation line configured to receive coolant heat of the heater core side coolant circulation line via a coolant and then circulate the coolant through a battery to preheat the battery.Type: ApplicationFiled: August 27, 2019Publication date: March 5, 2020Inventors: Hyeon Gyu KIM, Doo Hoon KIM, Kyung Ju AN, Byeong Ha LEE, Jin Jae LEE, Joong Man HAN
-
Publication number: 20190351733Abstract: Disclosed herein are a battery temperature control device for a vehicle, which heats the interior of the vehicle and a battery, and an air conditioner for a vehicle having the same. The battery temperature control device includes: a refrigerant circulation line (R) having a compressor (110), an indoor heat exchanger (130), expansion means (140, 150) and an outdoor heat exchanger (120); a coolant circulation line (W) which circulates a heater core (240) mounted to heat the interior of the vehicle; and a coolant heat exchanger (220) mounted to exchange heat between refrigerant circulating the refrigerant circulation line (R) and coolant circulating the coolant circulation line (W), wherein a battery (210) is arranged on the coolant circulation line (W). Due to the coolant circulation line which can heat the interior of the vehicle and the battery at the same time, the battery temperature control device and the air conditioner can heat the interior of the vehicle and the battery effectively.Type: ApplicationFiled: July 29, 2019Publication date: November 21, 2019Inventors: Doo Hoon Kim, Young Hum Han, Chul Hee Kim, Hyeon Gyu Kim, Joong Man Han, Kyung Ju An, Jung Won Cho
-
Patent number: 10479161Abstract: The present invention relates to a vehicle air-conditioning system and, more particularly, to a vehicle air-conditioning system in which an air-conditioning module consisting of an air-conditioning case and a blowing apparatus is disposed at a side of an engine room with respect to a dash panel, and a distribution duct for distributing cold and hot air discharged from the air-conditioning case into the inside of a vehicle is disposed on the indoor side of the vehicle with respect to the dash panel. The vehicle air-conditioning system may prevent a reverse flow of outdoor air into a cold air discharge port and a hot air discharge port due to the wind pressure when driving by forming a shielding means at the sides of the cold air discharge port and the hot air discharge port, which discharge the cold and hot air of the air-conditioning case to the outside, thereby improving the cooling and heating performance by smoothly discharging heat through the cold air discharge port and the hot air discharge port.Type: GrantFiled: January 9, 2017Date of Patent: November 19, 2019Assignee: HANON SYSTEMSInventors: Jae Chun Ryu, Young Hum Han, Chul Hee Kim, Joong Man Han, Hyeon Gyu Kim, Kyung Ju An, Tae Yong Park, Sung Je Lee
-
Publication number: 20190322159Abstract: A vehicular air conditioning system includes: a refrigerant circulation line provided with a compressor, an outdoor heat exchanger, an expansion valve and an indoor heat exchanger; and a control unit configured to variably control a rotation speed of the compressor depending on a refrigerant discharge pressure and a refrigerant discharge temperature on an outlet side of the compressor.Type: ApplicationFiled: April 17, 2019Publication date: October 24, 2019Inventors: Doo Hoon KIM, Hyeon Gyu KIM, Kyung Ju AN, Sang Jun YOO, Joong Man HAN