Patents by Inventor Seong-Yeon KIM
Seong-Yeon KIM 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: 20240174133Abstract: A fuel cell vehicle includes a fuel cell stack connected to a direct current (DC) link, an energy storage device selectively connected to the DC link through a main relay, and a controller configured to determine whether or not starting of the fuel cell stack is allowed according to a voltage of the energy storage device, and to control starting of the fuel cell stack based on a result of the determination.Type: ApplicationFiled: May 10, 2023Publication date: May 30, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Seong Cheol JEONG, Joo Yeon KIM, Mi Ji KIM
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Publication number: 20240178419Abstract: An embodiment method of controlling a fuel cell electric vehicle includes determining a required output power amount of a fuel cell stack from a total required output power amount of a battery and the fuel cell stack based on an output power distribution ratio of the fuel cell stack according to a current state of charge (SOC) value of the battery and controlling an operation of the fuel cell stack based on the required output power amount of the fuel cell stack.Type: ApplicationFiled: March 3, 2023Publication date: May 30, 2024Inventors: Mi Ji Kim, Joo Yeon Kim, Seong Cheol Jeong, Jae Ok Ha
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Publication number: 20240166020Abstract: An embodiment heat pump system of a vehicle includes a first cooling device including a battery module and a first line for circulating a coolant, an air conditioner unit including a compressor, an internal condenser, a main heat exchanger, a first expansion valve, and an evaporator that are interconnected through a refrigerant line for circulating a refrigerant, and a chiller connected to the first cooling device through the first line, connected to the refrigerant line through a first connection line, and configured to adjust a coolant temperature through heat-exchanging a selectively introduced coolant with the refrigerant. The air conditioner unit further includes a second expansion valve, a first valve, a second valve, a second connection line, a third connection line, and a fourth connection line.Type: ApplicationFiled: April 10, 2023Publication date: May 23, 2024Inventors: Wan Je Cho, Yong Woong Cha, Seong-Bin Jeong, Man Hee Park, Jae Yeon Kim, Dong Seok Oh
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Patent number: 11989381Abstract: A display device includes subpixels on a substrate, position code patterns having a predetermined position code shape, when viewed in a plan view, each position code pattern being disposed at a region between at least two adjacent subpixels, and a pixel-defining layer defining a region where each subpixel is disposed and covering the position code patterns. The plurality of position code patterns are formed in a planar code shape and are configured to reflect light incident through the pixel-defining layer.Type: GrantFiled: September 26, 2022Date of Patent: May 21, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gi Na Yoo, Ju Yeon Kim, Won Sang Park, Chang Woo Shim, Seong Jun Lee, Dong Hee Choi
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Patent number: 11989602Abstract: A display device is disclosed that includes a plurality of pixels and a plurality of code pixels. The pixels include light-emitting elements, which display an image. The code pixels are disposed in the same layer as the pixels and are adjacent to a reference point disposed between the pixels. The code pixels include infrared light-emitting elements, which emit infrared light. At least one of the code pixels, disposed in a particular direction from the reference point, emit the infrared light to provide a code pattern having position information.Type: GrantFiled: March 7, 2022Date of Patent: May 21, 2024Assignee: Samsung Display Co., Ltd.Inventors: Gi Na Yoo, Ju Yeon Kim, Won Sang Park, Chang Woo Shim, Seong Jun Lee
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Publication number: 20240157803Abstract: A fuel cell vehicle includes a fuel cell stack and a battery; an air compressor that supplies air to the fuel cell stack and is able to generate power during regenerative braking; a drive motor that provides driving force to a vehicle and is able to generate power during the regenerative braking; and a controller that controls operation of the air compressor so that a sum of power generation of the fuel cell stack and power generation of the regenerative braking of the air compressor and drive motor is close to a chargeable amount of the battery.Type: ApplicationFiled: April 17, 2023Publication date: May 16, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Joo Yeon KIM, Seong Cheol JEONG, Sung Do KIM, Chang Seok YOU
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Publication number: 20240160423Abstract: Disclosed herein is a program conversion apparatus, which converts a first program to which homomorphic encryption is not applied into a second program to which the homomorphic encryption is applied, including a memory, which stores a first library for configuring the first program and a second library for configuring the second program, and a processor configured to convert the first program into the second program through conversion between operations provided by the first and second libraries.Type: ApplicationFiled: November 9, 2023Publication date: May 16, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Seong Cheon PARK, Hyun Woo KIM, Su Yeon JANG
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Publication number: 20240154735Abstract: Disclosed is a method and apparatus for transmitting an object which includes packets and is significant for an application of a receiver, the method including calculating a network latency between a sender and a receiver through a control message for transmitting a plurality of packets constituting the object, detecting that a specific packet is lost among the plurality of packets, calculating a retransmission required time required for retransmitting the specific packet, comparing the retransmission required time with a deadline, and transmitting a NACK message including information related to retransmission of the specific packet to the sender when the retransmission required time is within the deadline, wherein the network latency is used for calculating the deadline determined by latency times for transmission of the object.Type: ApplicationFiled: July 14, 2023Publication date: May 9, 2024Inventors: Ho Sun YOON, Tae Yeon KIM, Seong MOON, Seung Woo HONG
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Patent number: 11978759Abstract: A light emitting diode (LED) stack for a display including a substrate, a first LED stack disposed on the substrate, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, a first color filter interposed between the first LED stack and the second LED stack, and a second color filter interposed between the second LED stack and the third LED stack, in which the second LED stack and the third LED stack are configured to transmit light generated from the first LED stack to the outside, and the third LED stack is configured to transmit light generated from the second LED stack to the outside.Type: GrantFiled: July 2, 2021Date of Patent: May 7, 2024Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jong Hyeon Chae, Chung Hoon Lee, Seong Gyu Jang, Chang Yeon Kim, Ho Joon Lee
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Publication number: 20240133519Abstract: A liquefied gas storage tank includes a corner block disposed on a corner portion, wherein the corner block includes a lower block, an upper block and an upper connecting block, the upper block includes a first inner fixing unit and a second inner fixing unit respectively provided inside a first surface and a second surface, bonded and connected to a secondary barrier, and each having a structure in which a primary inner plywood, a primary corner insulating material, and a primary outer plywood are stacked, and an inner bent portion installed at a corner spatial portion between the first inner fixing unit and the second inner fixing unit, and both side surfaces of the inner bent portion that are perpendicular to the secondary barrier each have a height reduced from a total height of each of the first and second inner fixing units.Type: ApplicationFiled: December 14, 2021Publication date: April 25, 2024Inventors: Won Seok HEO, Seong Bo PARK, Hye Min CHO, Ki Joong KIM, Cheon Jin PARK, Min Kyu PARK, Jung Kyu PARK, Byeong Jin JEONG, Dong Woo KIM, Sung Kyu HONG, Gwang Soo GO, Jee Yeon HEO
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Publication number: 20240136445Abstract: A synapse device, a manufacturing method thereof, and a neuromorphic device including the synapse device are disclosed. The synapse device may include a channel member, a tunnel insulating layer disposed on the channel member, a charge trap layer disposed on the tunnel insulating layer, a blocking insulating layer disposed on the charge trap layer, a gate electrode disposed on the blocking insulating layer, a first terminal and a second terminal respectively connected to first and second regions of the channel member, and first and second conductors respectively bonded to the first and second terminals The charge trap layer may have a multilayer structure including a first trap layer disposed adjacent to the channel member and a second trap layer disposed adjacent to the gate electrode. The first trap layer may have a trap of a shallower level than that of the second trap layer.Type: ApplicationFiled: August 1, 2023Publication date: April 25, 2024Inventors: Yang Kyu CHOI, Ji Man YU, Seong-Yeon KIM
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Patent number: 11935912Abstract: A display apparatus including a thin film transistor (TFT) substrate; a first LED sub-unit, a second LED sub-unit, and a third LED sub-unit; first, second, third, and fourth electrode pads disposed between the TFT substrate and the first LED sub-unit; and connectors connecting the first, second, and third LED sub-units to a respective one of the electrode pads, in which the first, second, and third sub-units are configured to be independently driven; light generated from the first LED sub-unit is emitted to the outside of the display apparatus by passing through the second and third LED sub-units; light generated from the second LED sub-unit is emitted to the outside of the display apparatus by passing through the third LED sub-unit; and at least one of the connectors includes a first portion electrically connecting a first surface of the first LED sub-unit to the second electrode pad.Type: GrantFiled: June 22, 2022Date of Patent: March 19, 2024Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Hyeon Chae, Seong Gyu Jang, Ho Joon Lee, Chang Yeon Kim, Chung Hoon Lee
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Patent number: 11932725Abstract: The present invention relates to a biodegradable polyester resin, in which the first repeat unit comprising a first diol residue and an aromatic dicarboxylic acid residue and the second repeat unit comprising a second diol residue and an aliphatic dicarboxylic acid residue satisfy a ratio of the number of repeat units in a specific range, and the softness index of the resin satisfies a specific range, and to a process for preparing the same. Since the biodegradable polyester resin can provide a biodegradable polyester sheet or film that can be simultaneously enhanced in productivity, processability, and moldability and is excellent in tensile strength, tear strength, and friction coefficient and excellent in biodegradability and water degradability, it can be utilized in more diverse fields.Type: GrantFiled: April 24, 2023Date of Patent: March 19, 2024Assignee: Ecovance Co. Ltd.Inventors: Kyung Youn Kim, Hoon Kim, Seong Dong Kim, Ji Yeon Ryu, Hyung Mo Kim
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Publication number: 20240084969Abstract: The liquefied gas storage tank includes a primary barrier, a primary insulation wall, a secondary barrier, and a secondary insulation wall. In a state where unit elements are arranged adjacent to each other, each of the unit elements being formed by stacking the secondary insulation wall, the secondary barrier, and a fixed insulation wall which is a part of the primary insulation wall, the primary insulation wall may comprise: a connection insulation wall provided in the space between the adjacent fixed insulation walls; first slits formed between the fixed insulation walls and the connection insulation wall when the connection insulation wall is inserted and installed between the adjacent fixed insulation walls; a plurality of second slits formed in a lengthwise direction and a widthwise direction of the fixed insulation walls; and a first insulating filler material for filling the first slits.Type: ApplicationFiled: December 15, 2021Publication date: March 14, 2024Inventors: Seong Bo PARK, Won Seok HEO, Hye Min CHO, Ki Joong KIM, Cheon Jin PARK, Min Kyu PARK, Jung Kyu PARK, Byeong Jin JEONG, Dong Woo KIM, Sung Kyu HONG, Gwang Soo GO, Jee Yeon HEO
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Publication number: 20240078817Abstract: The present disclosure relates to a method and apparatus for generating a lane polyline by using a neural network model. The method according to an embodiment may extract a multi-scale image feature by using a base image obtained from at least one sensor loaded in a vehicle. According to the method, the multi-scale image feature is input to a first neural network model as input data and a BEV feature may be obtained as output data from the first neural network model. Also, according to the method, the BEV feature may be input to a second neural network model as input data and a polyline image with respect to a certain road may be obtained as output data from the second neural network model. In the present disclosure, a lane polyline obtained from the neural network may be utilized in vehicle control without going through an additional treatment process.Type: ApplicationFiled: August 30, 2023Publication date: March 7, 2024Inventors: Seok Woo JUNG, Hee Yeon KWON, Jung Hee KIM, Seong Gyun JEONG
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Publication number: 20240074965Abstract: The present disclosure relates to an ultraviolet light-blocking composition containing a centipede grass extract and a cosmetic composition and, more specifically, to an ultraviolet light-blocking composition comprising a centipede grass (Eremochloa ophiuroides) leaf extract as an active ingredient; and a cosmetic composition containing the ultraviolet light-blocking composition.Type: ApplicationFiled: January 6, 2022Publication date: March 7, 2024Applicant: KOREA ATOMIC ENERGY REREARCH INSTITUTEInventors: Byung-Yeoup CHUNG, Hyoung-Woo BAI, Seong-Hee KANG, Sung-Beom LEE, Seung-Sik LEE, Tae-Hoon KIM, Mi-Yeon KIM
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Publication number: 20240042376Abstract: A water-lean carbon dioxide absorbent according to the present invention comprises a cyclodiamine and a polyalkylene glycol alkyl ether and further comprises an alkanolamine, wherein the absorbent shows an excellent reaction rate with carbon dioxide, is resistant to degradation due to oxygen and heat, and can greatly reduce energy consumption due to latent heat of water when regenerated, and thus leads to a water-lean carbon dioxide absorbent with improved regeneration efficiency.Type: ApplicationFiled: August 18, 2022Publication date: February 8, 2024Applicant: CE-TEK CO., LTD.Inventors: Yun-Je LEE, Hai Lian JIN, Seong Yeon KIM, Ye Sol WOO, Kwang Soon LEE, Hoon Sik KIM
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Patent number: 11794238Abstract: Provided is a mold flux used for casing a cast slab, the mold flux including, bases on a total wt % of thereof, 32-38 wt % of aluminum oxide (Al2O3), 8-12 wt % of strontium oxide (SrO), 8-12 wt % of potassium oxide (K2O), 8-12 wt % of fluorine (F), 5-8 wt % of boron oxide (B2O3), 3-5 wt % of lithium oxide (Li2O), and inevitable impurities. Thus, according to the mold flux, a change in components due to silicon oxide (SiO2) and calcium oxide (CaO) may be suppressed or prevented compared to those in the conventional art.Type: GrantFiled: May 19, 2020Date of Patent: October 24, 2023Assignee: POSCO CO., LTDInventors: Jun Yong Park, Tae In Chung, Seong Yeon Kim
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Publication number: 20220118506Abstract: Provided is a mold flux used for casing a cast slab, the mold flux including, bases on a total wt % of thereof, 32-38 wt % of aluminum oxide (Al2O3), 8-12 wt % of strontium oxide (SrO), 8-12 wt % of potassium oxide (K2O), 8-12 wt % of fluorine (F), 5-8 wt % of boron oxide (B2O3), 3-5 wt % of lithium oxide (Li2O), and inevitable impurities. Thus, according to the mold flux, a change in components due to silicon oxide (SiO2) and calcium oxide (CaO) may be suppressed or prevented compared to those in the conventional art.Type: ApplicationFiled: May 19, 2020Publication date: April 21, 2022Inventors: Jun Yong PARK, Tae In CHUNG, Seong Yeon KIM
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Publication number: 20210292179Abstract: The present invention is related to a method for producing lithium chloride aqueous solution and a method for producing lithium carbonate, and comprises introducing calcium chloride into a slurry containing a solvent and lithium phosphate; and obtaining a precipitate of chloroapatite which is an poorly soluble phosphoric acid compound and a lithium chloride aqueous solution by reacting lithium phosphate and calcium chloride in the slurry containing the solvent and lithium phosphate.Type: ApplicationFiled: June 19, 2017Publication date: September 23, 2021Inventors: Seong Yeon Kim, Kyung Seok Kim, So Yeon Lee, Wan Kee Hong, Jae Hyug Choi