Patents by Inventor Dong Lee

Dong 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).

  • Patent number: 11665961
    Abstract: The present specification relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: May 30, 2023
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Hyun-Ju La, Yu-Jin Heo, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee
  • Publication number: 20230156568
    Abstract: A method and apparatus for updating data transfer disturbance in multi-agent multi-device ML operations is described. A wireless device receives, from the first server, restriction information generated based on (i) the location information based on the wireless device, (ii) the residing area information of the wireless device, and/or (iii) the serving network related information. A wireless device checks whether a second server, other than the first server, is available. A wireless device transmits, to the second server, the restriction information generated by the first server.
    Type: Application
    Filed: May 6, 2021
    Publication date: May 18, 2023
    Inventor: Ki-Dong LEE
  • Publication number: 20230143972
    Abstract: An NADPH-regeneration system based on monomeric isocitrate dehydrogenase (IDH) and a use thereof. Specifically, the present invention relates to a recombinant vector including a polynucleotide encoding an isocitrate dehydrogenase recombinant protein derived from Corynebacterium glutamicum (CgIDH) and an isocitrate dehydrogenase recombinant protein derived from Azotobacter vinelandii (AvIDH), a method for producing the recombinant protein, and an NADPH-regeneration system using the recombinant protein produced by the method. The enzyme in a monomeric form that may be efficiently used in the NADPH-regeneration system in the transformant into which the recombinant vector was introduced, was found, and the NADPH-regeneration system using the enzyme in a monomeric form has a very high utility value as biological parts and biocatalyst materials that provides NADPH to the NADPH-dependent enzyme.
    Type: Application
    Filed: November 11, 2022
    Publication date: May 11, 2023
    Inventors: Geun Joong KIM, Hun-Dong LEE, Su-Kyoung YOO, Dae Eun CHEONG, Chul-Ho YUN, Hye-Ji CHOI, Sang-Oh AHN
  • Patent number: 11646225
    Abstract: According to some embodiments, a semiconductor device may include gate structures on a substrate; first and second impurity regions formed in the substrate and at both sides of each of the gate structures; conductive line structures provided to cross the gate structures and connected to the first impurity regions; and contact plugs connected to the second impurity regions, respectively. For each of the conductive line structures, the semiconductor device may include a first air spacer provided on a sidewall of the conductive line structure; a first material spacer provided between the conductive line structure and the first air spacer; and an insulating pattern provided on the air spacer. The insulating pattern may include a first portion and a second portion, and the second portion may have a depth greater than that of the first portion and defines a top surface of the air spacer.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: May 9, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myeong-Dong Lee, Keunnam Kim, Dongryul Lee, Minseong Choi, Jimin Choi, Yong Kwan Kim, Changhyun Cho, Yoosang Hwang
  • Patent number: 11646791
    Abstract: A passive optical network system includes an optical line terminator (OLT) configured to detect signal strength and a phase of a burst-mode uplink signal from each of optical network units (ONUs) to control the ONUs so as to equalize signal strengths of signals received from the ONUs and configured to control the ONUs so as to adjust a phase of each of the signals received from the ONUs, and the ONUs are each configured to control signal strength and phase of an burst-mode uplink signal and transmit a resultant burst-mode uplink signal under control of the OLT.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: May 9, 2023
    Assignee: DZS Inc.
    Inventors: Seung Dong Lee, Jae Goo Kim
  • Publication number: 20230139236
    Abstract: The present invention relates to a noninvasive electrical stimulation method and device, and the noninvasive electrical stimulation method includes the steps of: arranging first and second electrodes for applying electrical stimulation to a human body and first and second magnetic materials to thus allow the first and second magnetic materials to generate a magnetic field in a direction crossing the direction of an electric current between the first and second electrodes; and controlling at least one of a crossing angle (?) at which the electric current between the first and second electrodes and the magnetic field generated by the first and second magnetic materials cross each other and the strength (B) of the magnetic field generated by the first and second magnetic materials.
    Type: Application
    Filed: December 20, 2021
    Publication date: May 4, 2023
    Inventor: Chang-dong LEE
  • Publication number: 20230129535
    Abstract: Provided are an organic electronic element including an anode, a cathode, and an organic material layer between the anode and the cathode, and an electronic device including the organic electronic element, wherein the organic material layer includes each of the compounds represented by Formulas 1 and 2 and the driving voltage of the organic electronic element is lowered, and the luminous efficiency and lifetime of the element are improved.
    Type: Application
    Filed: November 28, 2022
    Publication date: April 27, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyun Ju SONG, Yun Suk LEE, Hyo Min JIN, Hyung Dong LEE
  • Publication number: 20230125420
    Abstract: The present invention provides a novel compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: November 21, 2022
    Publication date: April 27, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyo Min Jin, Yun Suk Lee, Hyung Dong Lee
  • Publication number: 20230132344
    Abstract: A biological material measuring instrument is described. The biological material measuring instrument includes a rotating body and a main body. The rotating body includes one or more cartridge holders having cuvettes in which a reagent and an analyte in a sample react. The main body includes a pair of light-emitting parts and light-receiving parts to optically measure the analyte in the sample. The rotating body further includes a light-emitting optical waveguide for guiding the light of the light-emitting parts to the cuvette, and a light-receiving optical waveguide for guiding.
    Type: Application
    Filed: December 22, 2022
    Publication date: April 27, 2023
    Applicant: TASCOM CO., LTD.
    Inventor: Sung Dong LEE
  • Publication number: 20230123445
    Abstract: The present disclosure relates to a congestion control in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: obtaining density information of neighboring wireless devices with respect to a reference wireless device; receiving a block from a neighboring wireless device; determining a probability that the wireless device will relay the received block based on the density information; and determining whether to relay the received block based on the probability.
    Type: Application
    Filed: March 29, 2021
    Publication date: April 20, 2023
    Applicant: LG ELECTRONICS INC.
    Inventor: Ki-Dong LEE
  • Publication number: 20230118308
    Abstract: A biometric system is disclosed. The biometric system comprises: a measurement cartridge; and a meter, equipped with the measurement cartridge, for measuring an analyte present in a sample of the measurement cartridge. The measurement cartridge comprises a reagent container, a capillary module, and a reagent rod. The reagent container receives a liquid reagent and has a top sealed with a sealing film. The capillary module comprises a capillary tube which is located on an upper side of the reagent container and collects the sample by a capillary phenomenon, and the capillary tube is introduced into the reagent container by rupturing a contact portion to the sealing film by an applied pressure. The reagent rod comprises a plurality of dry reagent accommodating portions which are located on an upper side of the reagent container and accommodate a drying reagent, and the reagent rod is introduced into the reagent container by rupturing a contact portion to the sealing film by an applied pressure.
    Type: Application
    Filed: December 17, 2022
    Publication date: April 20, 2023
    Applicant: TASCOM CO., LTD.
    Inventor: Sung-Dong LEE
  • Publication number: 20230111751
    Abstract: An organic electric element according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode. The organic material layer includes compounds represented by Formula 1 and Formula 2 of the present invention, thereby the driving voltage the organic electric element can be lowered, and the luminous efficiency and the life time of the organic electric element can be improved.
    Type: Application
    Filed: October 22, 2020
    Publication date: April 13, 2023
    Inventors: Hyung Dong LEE, Min Ji JO, Sun Hee LEE, Soung Yun MUN, Byoung Yeop KANG
  • Publication number: 20230112907
    Abstract: A semiconductor memory device and a method of fabricating a semiconductor memory device, the device including a first impurity region in a substrate; a first bit line that crosses over the substrate and is connected to the first impurity region; a bit-line contact between the first bit line and the first impurity region; and a contact ohmic layer between the bit-line contact and the first impurity region, wherein a width of a bottom surface of the bit-line contact is greater than a width of a bottom surface of the contact ohmic layer.
    Type: Application
    Filed: July 11, 2022
    Publication date: April 13, 2023
    Inventors: Hyo-Sub KIM, Junhyeok AHN, Myeong-Dong LEE, Hui-Jung KIM, Kiseok LEE, Jihun LEE, Yoosang HWANG
  • Publication number: 20230105583
    Abstract: A method and apparatus for triggering advanced automatic collision notification (AACN) using learning-based pre-crash system in a wireless communication system is provided. A user equipment obtains inputs from a pre-crash system (PCS) sensing function (PCSSF) in the user equipment, initiates a pre-emergency call procedure upon receiving, from the PCSSF, a PCS sensing indication informing that an accident has been estimated to happen based on the obtained inputs, transmits, to a network, a minimum set of data (MSD) in the pre-emergency call procedure. The UE checks whether the accident happens for a time window and transmits, to the network, a report based on whether the accident has happened or riot.
    Type: Application
    Filed: February 17, 2021
    Publication date: April 6, 2023
    Inventor: Ki-Dong LEE
  • Patent number: 11612327
    Abstract: A method and system for continuously measuring animal body temperature are disclosed. The system includes: an external device for transmitting wireless power into an animal's body from outside the animal's body; and an implant device inserted into the animal's body, that periodically measures the animal's body temperature by a temperature sensor by using battery power and stores continuous body temperature information in storage, and that, when wireless power is received from the external device, sends the continuous body temperature information stored in the storage to the external device by using the received wireless power.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: March 28, 2023
    Assignee: SB SOLUTIONS INC.
    Inventors: Seungup Seo, Namhwan Sung, Hae Dong Lee, Seong Mun Kim, Ji Woong Song, Jagannath Malik
  • Patent number: 11613700
    Abstract: The present invention provides shortwave infrared ray emitting nanoparticles including a core having band gap energy of E1; an intermediate layer that is formed on the core and has band gap energy of E2; and an outer layer that is formed on the intermediate layer and has band gap energy of E3, in which the size of the E2 is smaller than the size of the E1 and the size of the E3. According to the present invention, it is possible to provide a solar cell which is improved in efficiency and life span and can be produced by a solution process.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: March 28, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY (DGIST)
    Inventors: Sung Jun Lim, Gyu Dong Lee, Woo Hyeon Jeong
  • Publication number: 20230089296
    Abstract: Provided is a composition containing a silylamine compound and a method for manufacturing a silicon-containing thin film using the same, and more particularly, a composition for depositing a silicon-containing thin film, containing a silylamine compound capable of forming a silicon-containing thin film having a significantly excellent water vapor transmission rate to thereby be usefully used as a precursor of the silicon-containing thin film and an encapsulant of a display, and a method for manufacturing a silicon-containing thin film using the same.
    Type: Application
    Filed: March 2, 2022
    Publication date: March 23, 2023
    Inventors: Sung Gi KIM, Jeong Joo PARK, Joong Jin PARK, Se Jin JANG, Byeong-il YANG, Sang-Do LEE, Sam Dong LEE, Sang Ick LEE, Myong Woon KIM
  • Patent number: 11611400
    Abstract: An array antenna system, and a calibration method and apparatus thereof are provided. The calibration method includes measuring a signal loop including mutual coupling between antennas included in an array antenna, calculating a ratio of a reception (RX) signal received by each antenna to an RX signal received by a reference antenna of the array antenna based on a result of the measuring, and performing calibration of the array antenna based on the ratio.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: March 21, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sunwoo Kong, Kwang Seon Kim, Jeehoon Park, Hui Dong Lee, Seunghyun Jang, Seok Bong Hyun
  • Publication number: 20230080517
    Abstract: An efficient method and apparatus for relaying emergency related data using customized blockchain for emergency call (eCall) is provided. A first user equipment (UE) receives, from a second UE, a precursory minimum set of data (MSD) via a first block. The first UE starts a timer upon receiving the precursory MSD from the second UE, and waits to receive a report via a second block while the timer is running The first UE makes a third block based on whether or not the report via the second block has been received, and transmits, to a network, the third block.
    Type: Application
    Filed: March 23, 2021
    Publication date: March 16, 2023
    Inventor: Ki-Dong LEE
  • Patent number: 11605808
    Abstract: A method for preparing a cathode active material is provided. The method for preparing a cathode active material can comprise the steps of: preparing a first metal oxide; preparing a second metal oxide having an oxygen ratio lower than that of the first metal oxide by heat treating the first metal oxide in a nitrogen-containing gas atmosphere; and preparing a lithium metal oxide by firing the second metal oxide and a lithium salt.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: March 14, 2023
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Jin Ho Bang, Moo Dong Lee