Patents by Inventor Sung-han Lee
Sung-han Lee 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: 20240196528Abstract: A printed circuit board includes: a first metal layer; an organic insulating layer covering at least a portion of the first metal layer and having a via hole exposing at least a portion of an upper surface of the first metal layer; a first seed metal layer disposed on an upper surface of the organic insulating layer; a second seed metal layer disposed on the first seed metal layer and extending onto a wall surface of the via hole and the exposed upper surface of the first metal layer; and a second metal layer disposed on the second seed metal layer and filling at least a portion of the via hole, wherein the first seed metal layer includes a first sputtering layer including titanium (Ti), and the second seed metal layer includes an electroless plating layer.Type: ApplicationFiled: April 25, 2023Publication date: June 13, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sangik CHO, Mi Jung PARK, Mi Geum KIM, Yong Su LEE, Sung HAN, Jong Eun PARK
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Patent number: 12004423Abstract: An organic light emitting device having a first organic material layer that includes a compound of Chemical Formula 1 and the second organic material layer that includes a compound of Chemical Formula 2,Type: GrantFiled: July 25, 2019Date of Patent: June 4, 2024Assignee: LG CHEM, LTD.Inventors: Jungoh Huh, Sung Kil Hong, Dong Uk Heo, Miyeon Han, Jae Tak Lee, Junghoon Yang, Heekyung Yun
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Patent number: 11996975Abstract: The present disclosure relates to a method for network recovery when a communication failure has occurred in a RAPIEnet system. According to the present disclosure, through periodic transmission of a message for inspecting whether a network communication failure has occurred between LNM devices or between RNMs in a ring- or line-shaped network in a RAPIEnet system, it is possible to accurately determine whether a network has a communication failure, and recover the network without imposing a burden on the network.Type: GrantFiled: August 27, 2019Date of Patent: May 28, 2024Assignee: LS ELECTRIC CO., LTD.Inventors: Geon Yoon, Sung-Han Lee
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Patent number: 11978911Abstract: The present invention relates to a three-dimensional structure electrode, a method for manufacturing same, and an electrochemical element including the electrode. The present invention is characterized by comprising: (a) an upper conductive layer and a lower conductive layer which have a structure constituting an assembly within which a conductive material and a porous nonwoven fabric including a plurality of polymeric fibers are three-dimensionally connected in an irregular and continuous manner, thereby forming a mutually connected porous structure; and (b) an active material layer forming the same assembly structure as the conductive layers and forming a three-dimensionally filled structure in which electrode active material particles are uniformly filled inside the mutually connected porous structure formed in the assembly structure, wherein the active material layer is formed between the upper conductive layer and the lower conductive layer.Type: GrantFiled: September 28, 2022Date of Patent: May 7, 2024Assignees: UNIST (Ulsan National Institute of Science and Technology), LG Energy Solution, Ltd.Inventors: In Sung Uhm, Sang Young Lee, Yo Han Kwon, Ju Myung Kim, Joon Won Lim, Jae Hyun Lee, Je Young Kim, Seong Hyeok Kim
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Patent number: 11980090Abstract: A novel compound represented by the following Chemical Formula 1, and an organic light emitting device comprising the same.Type: GrantFiled: November 22, 2019Date of Patent: May 7, 2024Assignee: LG CHEM, LTD.Inventors: Jae Tak Lee, Sung Kil Hong, Jungoh Huh, Dong Uk Heo, Miyeon Han, Junghoon Yang
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Patent number: 11969569Abstract: A microneedle cartridge according to the present disclosure includes a disk-shaped cartridge main body including a rotational force receiver configured to receive a rotational force from a microneedle applicator, a plurality of first through-holes radially disposed about the center of the cartridge main body, a plurality of microneedle bases each disposed in one of the first through-holes and having one or more microneedles disposed on a lower surface, a maintaining member configured to maintain the microneedle base inside the through-hole, and a second through-hole through which a pressing portion of the microneedle applicator passes when operating to seal the microneedle applicator, wherein the microneedle base is configured to be movable between a first position at which the microneedle base is not pressed by the pressing portion and a second position at which the microneedle base is maximally pressed by the pressing portion.Type: GrantFiled: December 9, 2021Date of Patent: April 30, 2024Assignee: JUBILEE BIOTECH CO., LTD.Inventors: Sung Kyoung Lee, Goonghyun Han
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Patent number: 11974420Abstract: A solid state drive apparatus includes a case including a base and side walls extending upward along a circumference of the base, an electrostatic prevention structure of a metal pillar spaced apart from the side walls and protruding from at least a partial surface of the base and an electrostatic absorbing member on at least a partial surface of the metal pillar, a package substrate module mounted on the electrostatic prevention structure in the case, and a cover covering the case and the package substrate module.Type: GrantFiled: January 4, 2023Date of Patent: April 30, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-ki Lee, In-sub Kwak, Il-han Yun
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THERMOPLASTIC POLYURETHANE COMPOSITION FOR INJECTION MOLDING AND A METHOD FOR MANUFACTURING THE SAME
Publication number: 20240132652Abstract: The present disclosure relates to a thermoplastic polyurethane composition for injection molding and a method for manufacturing the same. Specifically, the thermoplastic polyurethane composition includes 0.5% by weight to 10.0% by weight of a sulfonate diol, 13% by weight to 60% by weight of an isocyanate, 30% by weight to 70% by weight of an ether-containing polyester polyol, and 5% by weight to 40% by weight of a chain extender.Type: ApplicationFiled: April 17, 2023Publication date: April 25, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DONGSUNG CHEMICAL Co., Ltd., HANWHA ADVANCED MATERIALS CORPORATIONInventors: Boo Youn An, In Soo Han, Sang Hyuk Lee, Jae Chan Lee, Hoon Jeong Kim, Gyu Min Lee, Sung Bok Kwak, Dong Ju Lee, Jae Yong Lee -
Publication number: 20240138255Abstract: Provided is a compound of Chemical Formula 1 or 2: wherein: R1 to R4 are each independently hydrogen or deuterium; n1 to n4 are an integer of 1 to 4; L1 and L2 are each independently a direct bond or a substituted or unsubstituted C6-60 arylene; and Ar1 and Ar2 are each independently a substituent of Chemical Formula 3: wherein X1 to X5 are each independently N or C(R5), wherein at least two of X1 to X5 are N; and each R5 is independently hydrogen, deuterium, a substituted or unsubstituted C1-20 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, or two adjacent R5s combine to form a benzene ring; and an organic light emitting device including the same. The device exhibits significantly superior efficiency and lifespan.Type: ApplicationFiled: February 28, 2022Publication date: April 25, 2024Inventors: Dong Uk HEO, Heekyung YUN, Miyeon HAN, Jae Tak LEE, Jung Min YOON, Hoyoon PARK, Sung Kil HONG
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Publication number: 20240134478Abstract: A method of driving an electronic device includes displaying a plurality of fingerprint recognition icons on a display device configured to perform fingerprint recognition, and releasing a lock state of the display device through a fingerprint authentication process upon determining at least one first fingerprint recognition icon among the plurality of fingerprint recognition icons is touched. The plurality of fingerprint recognition icons include at least one first fingerprint recognition icon configured to support the fingerprint recognition and at least one second fingerprint recognition icon configured to not support the fingerprint recognition.Type: ApplicationFiled: September 7, 2023Publication date: April 25, 2024Inventors: Byung Han YOO, Jung Woo PARK, Hyang A PARK, Dae Young LEE, Hyun Dae LEE, Kang Bin JO, Sang Hwan CHO, Sung-Chan JO
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Patent number: 11968892Abstract: Provided is an organic light emitting device comprising: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and an organic material layer provided between the cathode and the light emitting layer, wherein the light emitting layer comprises a compound of Chemical Formula 1, and the organic material layer provided between the cathode and the light emitting layer contains a compound of Chemical Formula 2.Type: GrantFiled: September 20, 2019Date of Patent: April 23, 2024Assignee: LG CHEM, LTD.Inventors: Jungoh Huh, Sung Kil Hong, Miyeon Han, Jae Tak Lee
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Publication number: 20240127710Abstract: Disclosed are a system and method for automatically evaluating an essay. The system includes a structure analysis module configured to divide learning data and learner essay text in a predetermined structure analysis unit, generate structure tagging information for each structure analysis unit, and structure the learning data and the learner essay text by attaching the structure tagging information to the learning data and the learner essay text, a learning module configured to generate an essay evaluation model through learning by using essay text that is included in the structured learning data and the structure tagging information as an input value and using an evaluation score that is included in the structured learning data as a label, and an evaluation module configured to generate essay evaluation results using the essay evaluation model.Type: ApplicationFiled: April 18, 2023Publication date: April 18, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Minsoo CHO, Oh Woog KWON, Yoon-Hyung ROH, Ki Young LEE, Yo Han LEE, Sung Kwon CHOI, Jinxia HUANG
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Publication number: 20240122006Abstract: A display device includes a data conductive layer including a first power line, a passivation layer with a first opening exposing the first power line, a via layer with a second opening partially overlapping the first opening, a pixel electrode on the via layer, a connection electrode in the first and second openings, a pixel-defining film with an opening overlapping the second opening, a light-emitting layer on the pixel-defining film, the pixel electrode and the connection electrode, and a common electrode connected to the first power line. The data conductive layer includes a data base layer, a data main metal layer, and a data capping layer, the first power line includes a wire connection structure, in which the data main metal layer is recessed from sides of the data capping layer, and the common electrode is connected to the data main metal layer in the wire connection structure.Type: ApplicationFiled: August 28, 2023Publication date: April 11, 2024Inventors: Shin Hyuk YANG, Dong Han KANG, Jee Hoon KIM, Sung Gwon MOON, Seung Sok SON, Woo Geun LEE
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Publication number: 20240120342Abstract: A transistor array substrate includes a substrate, an active layer disposed on the substrate and including a channel region, a source region and a drain region, a gate insulating layer disposed on a part of the active layer, a gate electrode overlapping the channel region of the active layer and included in an electrode conductive layer which is disposed on the gate insulating layer, a source electrode included in the electrode conductive layer and in contact with a part of the source region of the active layer, and a drain electrode included in the electrode conductive layer and in contact with a part of the drain region of the active layer. The active layer includes an oxide semiconductor including crystals and is disposed as an island shape excluding a hole in a plan view.Type: ApplicationFiled: June 10, 2023Publication date: April 11, 2024Inventors: Sung Gwon MOON, Dong Han KANG, Jee Hoon KIM, Seung Sok SON, Shin Hyuk YANG, Woo Geun LEE
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Publication number: 20240105604Abstract: A three-dimensional (3D) semiconductor device includes a stack structure including first and second stacks stacked on a substrate. Each of the first and second stacks includes a first electrode and a second electrode on the first electrode. A sidewall of the second electrode of the first stack is horizontally spaced apart from a sidewall of the second electrode of the second stack by a first distance. A sidewall of the first electrode is horizontally spaced apart from the sidewall of the second electrode by a second distance in each of the first and second stacks. The second distance is smaller than a half of the first distance.Type: ApplicationFiled: December 1, 2023Publication date: March 28, 2024Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
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Publication number: 20240095484Abstract: Proposed is a dual band RFID tag including a first rectifier configured to receive and rectify a first RF signal modulated at a first frequency, a first regulator configured to regulate an output voltage of the first rectifier, a second rectifier configured to receive and rectify a second RF signal modulated at a second frequency, a second regulator configured to regulate an output voltage of the second rectifier, a voltage distributor connected to a first node and a ground in a state of being positioned therebetween, the output terminal of the first rectifier and the output terminal of the second rectifier being both connected to the first node, a multiplexer configured to output any one of an analog detection signal output from a sensor and an output signal of the voltage distributor, in response to a first selection signal or a second selection signal, and an analog-to-digital converter configured to receive as an operating voltage a voltage of a second node to which an output terminal of the first regulatType: ApplicationFiled: April 26, 2023Publication date: March 21, 2024Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
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Patent number: 11936052Abstract: Provided is a fluorine-doped tin oxide support, a platinum catalyst for a fuel cell having the same, and a method for producing the same. Also described is a high electrical conductivity and electrochemical durability by doping fluorine to the tin oxide-based support through an electrospinning process. Thus, while resolving a degradation issue of the carbon support in the conventional commercially available platinum/carbon (Pt/C) catalyst, what is designed is to minimize an electrochemical elution of dopant or tin, which is a limitation of the tin oxide support itself and has excellent performance as a catalyst for a fuel cell.Type: GrantFiled: April 16, 2020Date of Patent: March 19, 2024Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Young Kim, Jong Min Kim, Hee-Young Park, So Young Lee, Hyun Seo Park, Sung Jong Yoo, Jong Hyun Jang, Hyoung-Juhn Kim, Chang Won Yoon, Jonghee Han
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Publication number: 20240084967Abstract: To improve productivity and sealing performance, the present disclosure provides a pressure vessel including a boss part including a boss extension portion that is provided in a cylindrical shape, a boss flange portion integrally extending from a lower portion of the boss extension portion, and a boss support portion integrally extending from an inner end of the boss flange portion, a fusion-coupling part insert-injected in a form surrounding an outer surface of one side of the boss support portion in the circumferential direction, and a liner part which has an accommodation space for accommodating a fluid therein, extends in a longitudinal direction, and has both open sides, and the liner part is made of the same material as the fusion-coupling part, and both inner circumferences of the liner part are in surface contact with and fusion-coupled to an outer circumference of the fusion-coupling part.Type: ApplicationFiled: November 10, 2022Publication date: March 14, 2024Inventors: Jung Han LEE, Sang Eon PARK, Sung Man SOHN
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Patent number: 11922860Abstract: Provided is a pixel driving circuit including a first circuit configured to control, in a data writing mode, a signal related to driving of one or more light-emitting elements, and a second circuit configured to supply, in a driving mode, power to the one or more light-emitting elements based on a signal transmitted from the first circuit.Type: GrantFiled: September 16, 2022Date of Patent: March 5, 2024Assignee: Sapien Semiconductors Inc.Inventors: Sung Ho Hwang, Ji Han Kim, Ji Haeng Lee, Hye Min Bae, Dae Young Jung
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Publication number: 20240070988Abstract: A method for estimating locomotion in virtual reality performed by at least one processor includes measuring a plurality of pressure points according to a user's locomotion using a high-resolution tactile sensor including a plurality of pressure sensors, extracting a plurality of footprint images including the plurality of measured pressure points, clustering the plurality of pressure points into a first set of pressure points corresponding to a left foot and a second set of pressure points corresponding to a right foot, based on the plurality of extracted footprint images, and estimating at least a portion of a locomotion direction and a locomotion speed of the user using a first cluster corresponding to the first set of pressure points and a second cluster corresponding to the second set of pressure points.Type: ApplicationFiled: August 24, 2023Publication date: February 29, 2024Inventors: Yunho CHOI, Kyung-Joong KIM, Ecehan AKAN, Dong Hyeok PARK, Sung Ha LEE, Hyeon-Chang JEON, Isaac HAN