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).

  • Publication number: 20240132652
    Abstract: 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: Application
    Filed: April 17, 2023
    Publication date: April 25, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DONGSUNG CHEMICAL Co., Ltd., HANWHA ADVANCED MATERIALS CORPORATION
    Inventors: 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: 20240134478
    Abstract: 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: Application
    Filed: September 7, 2023
    Publication date: April 25, 2024
    Inventors: Byung Han YOO, Jung Woo PARK, Hyang A PARK, Dae Young LEE, Hyun Dae LEE, Kang Bin JO, Sang Hwan CHO, Sung-Chan JO
  • Publication number: 20240138255
    Abstract: 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: Application
    Filed: February 28, 2022
    Publication date: April 25, 2024
    Inventors: Dong Uk HEO, Heekyung YUN, Miyeon HAN, Jae Tak LEE, Jung Min YOON, Hoyoon PARK, Sung Kil HONG
  • Patent number: 11968892
    Abstract: 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: Grant
    Filed: September 20, 2019
    Date of Patent: April 23, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jungoh Huh, Sung Kil Hong, Miyeon Han, Jae Tak Lee
  • Publication number: 20240127710
    Abstract: 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: Application
    Filed: April 18, 2023
    Publication date: April 18, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Minsoo CHO, Oh Woog KWON, Yoon-Hyung ROH, Ki Young LEE, Yo Han LEE, Sung Kwon CHOI, Jinxia HUANG
  • Publication number: 20240120342
    Abstract: 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: Application
    Filed: June 10, 2023
    Publication date: April 11, 2024
    Inventors: Sung Gwon MOON, Dong Han KANG, Jee Hoon KIM, Seung Sok SON, Shin Hyuk YANG, Woo Geun LEE
  • Publication number: 20240122006
    Abstract: 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: Application
    Filed: August 28, 2023
    Publication date: April 11, 2024
    Inventors: Shin Hyuk YANG, Dong Han KANG, Jee Hoon KIM, Sung Gwon MOON, Seung Sok SON, Woo Geun LEE
  • Publication number: 20240105604
    Abstract: 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: Application
    Filed: December 1, 2023
    Publication date: March 28, 2024
    Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
  • Publication number: 20240095484
    Abstract: 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 regulat
    Type: Application
    Filed: April 26, 2023
    Publication date: March 21, 2024
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Patent number: 11936052
    Abstract: 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: Grant
    Filed: April 16, 2020
    Date of Patent: March 19, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: 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
  • Publication number: 20240084967
    Abstract: 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: Application
    Filed: November 10, 2022
    Publication date: March 14, 2024
    Inventors: Jung Han LEE, Sang Eon PARK, Sung Man SOHN
  • Patent number: 11922860
    Abstract: 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: Grant
    Filed: September 16, 2022
    Date of Patent: March 5, 2024
    Assignee: Sapien Semiconductors Inc.
    Inventors: Sung Ho Hwang, Ji Han Kim, Ji Haeng Lee, Hye Min Bae, Dae Young Jung
  • Publication number: 20240070988
    Abstract: 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: Application
    Filed: August 24, 2023
    Publication date: February 29, 2024
    Inventors: Yunho CHOI, Kyung-Joong KIM, Ecehan AKAN, Dong Hyeok PARK, Sung Ha LEE, Hyeon-Chang JEON, Isaac HAN
  • Patent number: 11915813
    Abstract: Disclosed is a drug compliance management method including a microneedle applicator configured to infuse a drug by means of a microneedle in the form of a wearable device, a patient terminal configured to process drug compliance information including drug infusion information received from the microneedle applicator and medication information separately input by a patient after administration, a server configured to transmit the drug compliance information received from the patient terminal, and an expert terminal configured to display drug compliance information collected from a plurality of patient terminals.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: February 27, 2024
    Assignee: JUBILEE BIOTECH CO., LTD.
    Inventors: Sung Kyoung Lee, Goonghyun Han
  • Publication number: 20220200842
    Abstract: 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: Application
    Filed: August 27, 2019
    Publication date: June 23, 2022
    Inventors: Geon YOON, Sung-Han LEE
  • Patent number: 10508333
    Abstract: A heating apparatus including a side wall heat insulator configured to provide an inner space for receiving a reaction tube, an upper wall heat insulator covering a top portion of the side wall heat insulator, a heat generation part in an inner surface of the side wall heat insulator, and a heat compensating part on a lower surface of the upper wall heat insulator, the heat compensating part including a reflection surface in a first region on the lower surface of the upper wall heat insulator, the first region having a first emissivity less than an emissivity of the upper wall heat insulator may be provided.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: December 17, 2019
    Assignees: Samsung Electronics Co., Ltd., Sungkyunkwan University's Research & Business Foundation
    Inventors: Byeong-Hoon Kim, Byung-Hwan Kong, Sung-Han Lee, Sun Cho, Seung-Hwan Kang, Seung-Ho Lee, Han-Seo Ko
  • Patent number: 10447782
    Abstract: The present disclosure relates a slave device control method including generating the control message including a plurality of input data and transmitting the control message to a specific slave device among a plurality of slave devices, by a master device, extracting input data from a received data start position of the control message, by the specific slave device, and padding output data to transmitted data storage position of the control message and transmitting the output data to a next slave device, by the specific slave device.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: October 15, 2019
    Assignee: LSIS CO., LTD.
    Inventor: Sung-Han Lee
  • Patent number: 10277502
    Abstract: The present disclosure relates to a slave device control method, for transmitting a control message along with group start data and group end data to a slave device by a master device so as to set a start point and an end point of the slave device in a sub group, and for allowing the master device to check a network topology using a topology collection message so as to effectively generate a sub group.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: April 30, 2019
    Assignee: LSIS CO., LTD.
    Inventors: Ji-Geon Lee, Sung-Han Lee
  • Patent number: 10237018
    Abstract: A first communication device calculates a plurality of data error codes for detecting an error in a plurality of data fields by using the plurality of data fields. The first communication device generates a packet comprising the plurality of data fields and the plurality of data error codes, and then transmits the packet which is generated to a second communication device.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: March 19, 2019
    Assignee: LSIS CO., LTD.
    Inventors: Sung Han Lee, Dae Hyun Kwon, Joon Seok Oh
  • Patent number: 10142058
    Abstract: A method for a first communication device transmitting data to a second communication device, according to one embodiment of the present invention, comprises the steps of: the first communication device generating a safety unique identifier by using a unique identifier of the first communication device and a unique identifier of the second communication device, in order to confirm the validity of connection between the first communication device and the second communication device; the first communication device calculating a data error detection code for detecting an error by using the safety unique identifier and the data; the first communication device generating a packet comprising the data and the data error detection code; and the first communication device transmitting the packet to the second communication device.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: November 27, 2018
    Assignee: LSIS CO., LTD.
    Inventors: Sung Han Lee, Dae Hyun Kwon, Joon Seok Oh