Patents by Inventor Dong-Woo Lee

Dong-Woo 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: 20240083878
    Abstract: A compound represented by Chemical Formula 1 and an organic light emitting device including the same are provided. The compound is used as a material for an organic material layer of the organic light emitting device, and provides improved efficiency, low driving voltage, and increased lifespan of the organic light emitting device.
    Type: Application
    Filed: February 22, 2022
    Publication date: March 14, 2024
    Inventors: Min Woo Jung, Dong Hoon Lee, Sang Duk Suh, Jungha Lee, Su Jin Han, Seulchan Park, Sunghyun Hwang
  • Publication number: 20240089754
    Abstract: Embodiments of the present disclosure provide an active terminal detection method and an active terminal detection device that increase the performance of determining whether a terminal is active by designing a spread code to reduce a cross-correlation value of the spread code of a terminal with a high activation frequency in a massive machine-type communication environment by using deep learning.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Nam Ik KIM, Kwang Bok LEE, Byong Hyo SHIM, Dong Woo KIM
  • Publication number: 20240076798
    Abstract: An ingot growth apparatus is disclosed. The ingot growth apparatus according to an embodiment of the present invention may comprise: a growth furnace having a main crucible which is disposed inside the growth furnace and in which molten silicon is held in order to grow an ingot; a susceptor formed to surround the outer surface of the main crucible and heating the main crucible; a heater formed to surround the outer surface of the susceptor and including a coil which is supplied with power to generate a magnetic field and heats the susceptor by electromagnetic induction from the magnetic field; and a heat insulation member disposed between the coil and the susceptor.
    Type: Application
    Filed: September 3, 2021
    Publication date: March 7, 2024
    Applicants: HANWHA SOLUTIONS CORPORATION, HANWHA CORPORATION
    Inventors: Young Min LEE, Kyung Seok LEE, Jin Sung PARK, Dong Woo BAE
  • Publication number: 20240076468
    Abstract: An embodiment resin composition for shielding electromagnetic waves, based on a total weight of the resin composition, includes 20 to 80 wt % of thermoplastic resin, 1 to 50 wt % of a conductive filler, and 0.1 to 30 wt % of an additive.
    Type: Application
    Filed: January 16, 2023
    Publication date: March 7, 2024
    Inventors: Seung-Woo Choi, Dong-Bum Seo, Kyun Oh, Yu-Hyun Song, Yang-Jin Kwon, Joo-Han Lee
  • Publication number: 20240077973
    Abstract: A sensor device includes: a sensor panel including sensors arranged in a matrix form and sensor lines electrically connected to the sensors one-to-one; and a sensor driver configured to receive sensing signals from the sensors through the sensor lines, wherein the sensor driver is configured to simultaneously receive a first sensing signal from a first sensor using a first reference signal and a second sensing signal from a second sensor using a second reference signal, wherein the first reference signal and the second reference signal have a same waveform, a phase of the second reference signal is different from a phase of the first reference signal, and wherein a phase of the second sensing signal is different from a phase of the first sensing signal.
    Type: Application
    Filed: March 24, 2023
    Publication date: March 7, 2024
    Inventors: Jin Woo KIM, Ja Seung KU, Chang Bum KIM, Dong Chun LEE
  • Patent number: 11925113
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: Y1 is O or S; Ar1 is a substituted C6-60 aryl; or a substituted or unsubstituted C1-60 heteroaryl containing one or more heteroatoms selected from among O, N, Si, and S; L is a single bond; a substituted or unsubstituted C6-60 arylene; or a substituted or unsubstituted C1-60 heteroarylene containing one or more heteroatoms selected from among O, N, Si, and S; R1 to R3 are each independently hydrogen; deuterium; a halogen; cyano; nitro; amino; a substituted or unsubstituted C1-60 alkyl; a substituted or unsubstituted C1-60 haloalkyl; or a substituted or unsubstituted: C1-60 alkoxy, C1-60 haloalkoxy, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, C6-60 aryloxy, or C1-60 heteroaryl containing one or more heteroatoms selected from among N, O, and S, and n1 to n3 are each independently 1 to 5, and an organic light emitting device including the same.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: March 5, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Min Woo Jung, Dong Hoon Lee, Boonjae Jang, Jungha Lee, Su Jin Han, Seulchan Park
  • Publication number: 20240072103
    Abstract: A display device including: a substrate including a display area including a pixel area, and a non-display area at at least one side of the display area; a pixel in the pixel area, and including a light emitting element, a color conversion layer located on the light emitting element, and a color filter layer located on the color conversion layer; a first step difference compensation pattern in the non-display area, and around the display area; and a second step difference compensation pattern in the non-display area, and including a first end adjacent to the display area, and a second end opposite to the first end and located adjacent to an edge of the substrate, wherein the second step difference compensation pattern is located on the first step difference compensation pattern and overlaps the first step difference compensation pattern, and covers one end of the first step difference compensation pattern.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 29, 2024
    Inventors: Ji Hye LEE, Kyung Bae KIM, Dong Woo KIM, Do Yeong PARK
  • Publication number: 20240072228
    Abstract: A display device comprises a first pixel including a first emission area, a second pixel including a second emission area spaced apart from the first emission area in a first direction, and a bank partitioning the first emission area and the second emission area, wherein the first pixel includes a first alignment electrode, a second alignment electrode, and a third alignment electrode sequentially located, spaced apart from each other in the first direction, and overlapping with the first emission area, first light-emitting elements above, and overlapping with, the first alignment electrode and the second alignment electrode, second light-emitting elements above, and overlapping with, the second alignment electrode and the third alignment electrode, and a dummy electrode between the first emission area and the second emission area, and overlapping with the bank.
    Type: Application
    Filed: August 2, 2023
    Publication date: February 29, 2024
    Inventors: Won Jun LEE, Dong Woo KIM, Do Yeong PARK, Se Hyun LEE, Kwi Hyun KIM, Min Gyeong SHIN, Jin Joo HA
  • Patent number: 11912102
    Abstract: An air conditioner for a vehicle including an air-conditioning case divided into a plurality of air passageways by a separation wall. A heating heat exchanger is disposed inside the air-conditioning case and exchanges heat with air to heat the interior of the vehicle. A perforated member is disposed at a downstream side of the heating heat exchanger and has a plurality of perforated holes through which the air passing the heating heat exchanger passes, and a partition wall is disposed between the heating heat exchanger and the perforated member to divide the air passageway of the air-conditioning case into a plurality of air passageways, wherein the partition wall is formed integrally with the perforated member.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: February 27, 2024
    Assignee: HANON SYSTEMS
    Inventors: Dong Won Lee, Jong Su Kim, Jae Woo Ko, Young Keun Kim, Chang Soo Bae, Jong Min Lee, Gyu Ik Han
  • Patent number: 11913133
    Abstract: The present invention relates to a method of manufacturing polycrystalline silicon ingot using a crucible in which an oxygen exhaust passage is formed by single crystal or polycrystalline rods, the method including the steps of: manufacturing the single crystal or polycrystalline silicon rods each having the shape of a quadrilateral pillar; putting the single crystal or polycrystalline quadrilateral pillar-shaped silicon rods into the crucible in such a manner as to be arranged close to one another along the inner peripheral surface of the crucible to thus form a space portion inside the single crystal or polycrystalline silicon rods, into which silicon chunks are put, and the oxygen exhaust passages between the inner peripheral surface of the crucible and the respective surfaces of the single crystal or polycrystalline silicon rods oriented toward the inner peripheral surface of the crucible; putting the silicon chunks into the space portion of the crucible; and melting and crystallizing the silicon chunks.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: February 27, 2024
    Assignee: Lintech Corporation
    Inventors: Ho Jung You, Dong Nam Shin, Sei Kwang Oh, Jun Seok Lee, Sun Bin Yum, Tae-Woo Kang
  • Publication number: 20240064979
    Abstract: A non-volatile memory device comprises a substrate, a mold structure that includes gate electrodes stacked on the substrate and mold insulating layers alternately stacked with the gate electrodes, a cell contact on the substrate, wherein the cell contact is electrically connected to a selection gate electrode of the gate electrodes and is not electrically connected to a non-selection gate electrode of the gate electrodes, an insulating ring on the substrate, wherein the insulating ring is between the non-selection gate electrode and a sidewall of the cell contact and is in contact with the non-selection gate electrode, and a high dielectric constant layer between respective ones of the gate electrodes and the mold insulating layers, wherein the insulating ring includes a first portion that overlaps the high dielectric constant layer in a vertical direction, and a second portion that does not overlap the high dielectric constant layer in the vertical direction.
    Type: Application
    Filed: May 2, 2023
    Publication date: February 22, 2024
    Inventors: Woo Jun Park, Kyung Hyun Kim, Kun-Woo Park, Jun-Youl Yang, Dong Woo Lee, Sang Hyuk Hong
  • Publication number: 20240041384
    Abstract: A muscle control device includes an electromyography (EMG) electrode unit including a plurality of electrodes, and that senses an EMG signal, an EMG circuit unit that generates channel data, based on electrode signals, a control unit that receives the channel data, extracts a volitional electromyography signal, based on the channel data, and determines FES (Functional Electrical Stimulation) stimulation parameters, based on the volitional electromyography signal, an FES electrode unit that outputs a functional electrical stimulation, based on the FES stimulation parameters, and an FES circuit unit that receives the FES stimulation parameters, generates the functional electrical stimulation, based on the FES stimulation parameters, and transmits the functional electrical stimulation to the FES electrode unit, and the control unit recognizes a direction and an intensity of a motion from the volitional electromyography signal, based on the volitional electromyography signal and adjusts an intensity of the functi
    Type: Application
    Filed: February 19, 2021
    Publication date: February 8, 2024
    Inventors: Dong Woo LEE, Jabeom GU, Baesun KIM, Yong Ki SON, Joonyoung JUNG, Hyung Cheol SHIN
  • Publication number: 20240044063
    Abstract: The present disclosure relates to an eco-friendly flame retardant fabric and a preparation method thereof and in particular to an eco-friendly flame retardant fabric and a preparation method thereof prepared by sequential surface treatment with two types of solutions. According to the present disclosure, flame retardancy and durability may be improved by surface-treating a flammable natural fiber using an eco-friendly flame retardant.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 8, 2024
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION CHANGWON NATIONAL UNIVERSITY
    Inventors: Jung-Il Song, Maksym Li, Prabhakar Muchukota Narendra, Dong-Woo Lee
  • Publication number: 20230368907
    Abstract: A method of managing teeth includes calculating tooth deterioration information of the user in a second measurement period based on a first tooth state numerical value of each of user's teeth in a first measurement period and a second tooth state numerical value of each of the user's teeth in the second measurement period after the first measurement period, and providing the tooth deterioration information to the user.
    Type: Application
    Filed: November 21, 2022
    Publication date: November 16, 2023
    Inventors: Ho Jung SON, Myung Seon RYOU, Dong-Woo LEE
  • Publication number: 20230272025
    Abstract: The present invention relates to a BMP-9 variant and a derivative thereof. The variant stimulates endothelial cell-specific signaling, but does not stimulate ectopic ossification-related signaling, as compared to wild-type BMP-9, and thus has the effects of enhancing therapeutic effects on various diseases, including tumors, cardiovascular disease, fibrotic diseases, inflammatory diseases, metabolic diseases, and autoimmune diseases, and reducing side effects.
    Type: Application
    Filed: August 12, 2021
    Publication date: August 31, 2023
    Inventors: Chong-Pyoung CHUNG, Yoon Jeong PARK, Jue-Yeon LEE, Gook-Jin YOON, Dong Woo LEE
  • Patent number: 11735329
    Abstract: The present invention relates to a radioactive chemical waste treatment apparatus including an adsorption unit including an radioactive chemical waste adsorption member for adsorbing and separating radioactive chemical wastes from radioactive chemical waste-containing fluid, and a regeneration unit which is in fluidic communication with the adsorption unit and is for regenerating the radioactive chemical waste adsorption member by desorbing the radioactive chemical wastes from the adsorption member with the radioactive chemical wastes adsorbed thereonto, and to a radioactive chemical waste treatment method including (A) adsorbing radioactive chemical wastes onto a radioactive chemical waste adsorption member and separating the radioactive chemical wastes from a radioactive chemical waste-containing fluid, and (B) desorbing the radioactive chemical wastes from the radioactive chemical waste adsorption member with the radioactive chemical wastes adsorbed thereonto, and regenerating the radioactive chemical wast
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: August 22, 2023
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Sang Eun Bae, Hwa Kyeung Jeong, Dong Woo Lee, Tae Hong Park, Jei Won Yeon, Kun Ho Chung, Sang Ho Lim, Jai Il Park, Wan Sik Cha, Byung Man Kang
  • Publication number: 20230108491
    Abstract: An image signal processor includes a statistic data generating unit for receiving an image signal from an external device, an image processing unit for receiving the image signal, and a direct memory access (DMA) module connected to the statistic data generating unit and the image processing unit. The statistic data generating unit performs first image pre-processing on the image signal and generates first statistic data based on the image signal subjected to the first image pre-processing. The DMA module stores the first statistic data therein and provides the stored first statistic data to the image processing unit. The image processing unit performs second image pre-processing on the image signal and performs image processing on the image signal based on the first statistic data.
    Type: Application
    Filed: March 7, 2022
    Publication date: April 6, 2023
    Inventors: DONG-BUM CHOI, IL DO KIM, DONG WOO LEE, NA-RI IM, KYU YUL CHOI, JONG SEONG CHOI, SUK HWAN LIM
  • Publication number: 20220373462
    Abstract: The present invention is directed to a method of measuring cell migration by measuring the invasion ratio of cells incubated on a pillar array inserted into a well structure, the method including steps of: preparing a pillar array having a plurality of micropillars and a well structure having a plurality of microwells into which the plurality of micropillars is insertable, respectively; forming cell spheroids by incubating cells in an extracellular matrix attached to the end contact surfaces of the micropillars; allowing the cells contained in the cell spheroids to invade the end contact surfaces; staining and scanning the cell spheroids, the cells contained in the cell spheroids, and the cells that invaded the end contact surfaces; and calculating the invasion ratio of cells by the following equation through a fluorescence image of the scanned cells: Invasion ? Ratio = Invasion ? cell ? area Total ? cell ? area = A Total - A spheroid A Total [ Equation ] wherei
    Type: Application
    Filed: May 9, 2022
    Publication date: November 24, 2022
    Inventors: Bo Sung KU, Jung Eun KIM, Man Ki CHUNG, Dong Woo LEE
  • Patent number: 11441256
    Abstract: A dryer is disclosed. The dryer comprises: a body having a first opening disposed at one side thereof; a first drum rotatably disposed in the body and including a first drying chamber connected to the first opening; a first hot-air unit for supplying hot air to the inside of the first drum; a first door coupled to the body to open or close the first opening; a second drum disposed at the first door; and a second hot-air unit for supplying hot air to the inside of the second drum.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-woo Lee, Dong-wook Kim, Seong-ho Kil, Dong-il Back
  • Patent number: 11436125
    Abstract: Disclosed is a game test automation device capable of automating a game test. The game test automation device can comprise: a database for storing test procedure information, which is a combination of game scripts to be tested in a game service; and a testing unit for testing game build of the game service on the basis of the test procedure information, and creating game state information derived in the testing process and a test report on the test.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: September 6, 2022
    Assignee: Netmarble Corporation
    Inventors: Il Hwan Seo, Hyeon Woo Sim, Soo Man Yun, Sun Keun Shim, Dong Woo Lee, Sun Young Park, Yu Jin Han, Hye Jeong Jeong, Su Jin Park