Patents by Inventor Jeong-Won HAN

Jeong-Won HAN 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: 20240144640
    Abstract: Provided is a method and an apparatus for processing an image based on a neural network. The method includes forming an input image set by combining a visible light image and an infrared image, estimating an illuminant map representing an illuminant configuration of the input image set and a confidence score map representing a correlation between the visible light image and the infrared image, using a neural network model, and determining illuminant information of the visible light image based on the illuminant map and the confidence score map.
    Type: Application
    Filed: March 31, 2023
    Publication date: May 2, 2024
    Inventors: Jong Ok KIM, Jeong Won HA, Dong Keun HAN
  • Publication number: 20240141394
    Abstract: The present invention relates to a process of recovering 3-hydroxypropionic acid, comprising: forming a 3-hydroxypropionate crystal in a concentrate containing 3-hydroxypropionic acid in the presence of an alkali metal salt, preparing a solution containing 3-hydroxypropionate crystal separated from the concentrate, stirring an acid and the solution containing 3-hydroxypropionate crystal to form a precipitate, and subjecting the precipitate to a first washing, and a slurry composition comprising a precipitate prepared in the process of recovering 3-hydroxypropionic acid and 3-hydroxypropionic acid.
    Type: Application
    Filed: November 28, 2022
    Publication date: May 2, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Jeong Eun KIM, Yongju BANG, Jae Hoon CHOE, Donggyun KANG, Ara CHO, Woochul JUNG, Sang Won HAN, Taeho KIM
  • Publication number: 20240136208
    Abstract: A light-emitting element transfer system includes raw film cutting device for forming a transfer member by cutting a raw film, a stretching device for stretching a transfer film with a plurality of light-emitting elements disposed thereon, a circuit board support member for supporting a circuit board and transport head for adsorbing the transfer member and transferring the light-emitting elements on the transfer film onto the circuit board by using the adsorbed transfer member.
    Type: Application
    Filed: July 20, 2023
    Publication date: April 25, 2024
    Inventors: Jeong Won HAN, Chung Sic CHOI, Won Hee OH, Han Chun RYU, Jae Woo LEE
  • Publication number: 20240113252
    Abstract: An apparatus for transferring light emitting elements includes: a transfer member including a stamp layer having an adhesive property and a base layer on a first surface of the stamp layer, the transfer member having a transfer portion, a folding portion, and an incision groove at a boundary between the transfer portion and the folding portion; a protective film on a second surface of the stamp layer, the protective film having an incision groove defining a transfer area and a folding area; an inversion member supporting the transfer member; and a transfer head including a chuck configured to adsorb to the base layer and to move the transfer member vertically and horizontally. The transfer portion is at a center with respect to the incision groove, and the folding portion is at an outer side of the incision groove with respect to the transfer portion.
    Type: Application
    Filed: September 8, 2023
    Publication date: April 4, 2024
    Inventors: Jeong Won HAN, Won Hee OH
  • Publication number: 20240105759
    Abstract: The disclosure provides an apparatus for fabricating a display panel. The display device includes a transfer member having adhesiveness or stickiness and thereby capable of being bonded to light-emitting elements and a transport member transferring and bonding the light-emitting elements which are aligned on a donor substrate onto a circuit substrate by the transfer member, the transport member includes a laser transmitter formed of a material capable of transmitting laser light, a transport head capable of moving vertically and horizontally and surrounding side surfaces of the laser transmitter, and a head chuck disposed on a surface of the transport head to surround the side surfaces of the laser transmitter, having an adsorption function, and capable of being attached to, or detached from, the transfer member.
    Type: Application
    Filed: June 28, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Display Co., LTD.
    Inventor: Jeong Won HAN
  • Patent number: 11935984
    Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: March 19, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Seok Han, Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Kun Su Park, Yuho Won, Jeong Hee Lee, Eun Joo Jang, Hyo Sook Jang
  • Publication number: 20240072027
    Abstract: The present disclosure may provide a method of fabricating a display panel, the method includes picking up, by a transfer head, a transfer member located on a support member, detaching a light-emitting element from a donor substrate by attaching the transfer member picked up by the transfer head to the light-emitting element on the donor substrate to lift the light-emitting element, aligning, by the transfer head, the light-emitting element attached to the transfer member on a circuit board, and detaching the transfer member from the transfer head, bonding the light-emitting element attached to the transfer member onto the circuit board and separating, by the transfer head, the transfer member from the light-emitting element bonded to the circuit board to remove the transfer member.
    Type: Application
    Filed: August 21, 2023
    Publication date: February 29, 2024
    Inventors: Jeong Won HAN, Won Hee OH
  • Publication number: 20230356529
    Abstract: An inkjet printing apparatus includes a surface acoustic wave module including an inner passage and a surface acoustic wave generator around the inner passage; and an outflow passage connected to the surface acoustic wave module to discharge ink, where the outflow passage includes a first outflow passage connected to the inner passage to discharge first ink particles and a second outflow passage connected to the inner passage to discharge second ink particles having an average diameter smaller than that of the first ink particles, and the surface acoustic wave generator is closer to the second outflow passage than the first outflow passage.
    Type: Application
    Filed: July 17, 2023
    Publication date: November 9, 2023
    Inventors: Jeong Won HAN, Myung Soo HUH
  • Publication number: 20230361240
    Abstract: An apparatus for manufacturing a display device includes a stage on which a substrate of the display device is disposed, a mold including a surface including recessed portions, an injector that applies an ink including light emitting elements on the surface of the mold, a doctor blade that removes the ink from the surface of the mold and remains the ink disposed in the recessed portions of the mold, and a compressor that compresses the surface of the mold to the substrate.
    Type: Application
    Filed: December 28, 2022
    Publication date: November 9, 2023
    Applicant: Samsung Display Co., LTD.
    Inventor: Jeong Won HAN
  • Patent number: 11766866
    Abstract: An inkjet printing apparatus includes a print head including an inkjet head having a nozzle surface; nozzles disposed on the nozzle surface, that spray an ink from the nozzles; and a heater that heats a temperature of the inkjet head to a reference temperature. The nozzles include a first nozzle having a first diameter; and a second nozzle having a second diameter different from the first diameter of the first nozzle, the nozzle surface includes a first area in which the first nozzle is disposed and a second area in which the second nozzle is disposed, the first area has a first temperature in case that the heater heats the inkjet head to the reference temperature, and the second area has a second temperature different from the first temperature in case that the heater heats the inkjet head to the reference temperature.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: September 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Won Han, Myung Soo Huh
  • Patent number: 11752761
    Abstract: A system for droplet measurement includes an inkjet head including a nozzle which discharges droplets, a substrate on which droplets discharged from the nozzle of the inkjet head are dripped, a first detector disposed below the substrate and including a first camera and a first focusing structure, and a second detector disposed below the substrate and including a second camera and a second focusing structure.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Won Han, Jeong Ho Yi
  • Publication number: 20230268454
    Abstract: A method of manufacturing a display device, a display device, and an apparatus for manufacturing a display device are provided. A method of manufacturing a display device includes: providing an ink including light emitting elements on a manufacturing substrate; and aligning the light emitting elements by using a mold including a plurality of groove patterns.
    Type: Application
    Filed: August 17, 2022
    Publication date: August 24, 2023
    Inventor: Jeong Won HAN
  • Publication number: 20230264475
    Abstract: An inkjet printing apparatus according to an embodiment includes a stage where a target substrate is disposed, and an inkjet head that discharges ink on the target substrate. The inkjet head includes a tank that stores the ink, nozzles that are provided on the tank and discharge the ink, and a damper that is disposed in the tank, and the damper comprises a protruding portion that protrudes toward the nozzles from the damper.
    Type: Application
    Filed: October 27, 2022
    Publication date: August 24, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jeong Won HAN, Jongho PARK, Taeho YANG, Myung Soo HUH
  • Patent number: 11707932
    Abstract: An inkjet printing apparatus includes a surface acoustic wave module including an inner passage and a surface acoustic wave generator around the inner passage; and an outflow passage connected to the surface acoustic wave module to discharge ink, where the outflow passage includes a first outflow passage connected to the inner passage to discharge first ink particles and a second outflow passage connected to the inner passage to discharge second ink particles having an average diameter smaller than that of the first ink particles, and the surface acoustic wave generator is closer to the second outflow passage than the first outflow passage.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: July 25, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Won Han, Myung Soo Huh
  • Publication number: 20230226824
    Abstract: An inkjet device includes: a stage in which a substrate is installed; a substrate mover which moves the substrate in a first direction; a processor which moves in the first direction together with the substrate mover; and an inkjet head disposed on the stage, where the processor includes a suction portion.
    Type: Application
    Filed: December 8, 2022
    Publication date: July 20, 2023
    Inventors: Jeong Won HAN, Myung Soo HUH
  • Publication number: 20230149573
    Abstract: An apparatus for providing an antibacterial film according to an embodiment of the present disclosure makes it possible to place an antibacterial film over a button on a manipulation panel through an antibacterial film providing unit and an antibacterial film recovery unit, thereby preventing the spread of bacteria that may be transmitted by many users' button manipulation. Additionally, it is possible to automatically replace the antibacterial film that covers the button on the manipulation panel at a predetermined time interval set through an auto-timer unit, thereby improving the convenience of use. Additionally, it is possible to sterilize the antibacterial film after use through a sterilization unit provided in the antibacterial film recovery unit for reuse, thereby achieving resource savings.
    Type: Application
    Filed: June 30, 2022
    Publication date: May 18, 2023
    Inventors: Jeong Won HAN, Hye Won HAN
  • Publication number: 20230148067
    Abstract: An inkjet printing apparatus may form a material layer on a substrate. The inkjet printing apparatus includes a stage, an ink-receiving member, and an inkjet head. The stage may support the substrate. The inkjet head overlaps at least one of the stage and the ink-receiving member, may provide a first set of ink to the substrate, and may provide a second set of ink to the ink-receiving member when the substrate is supported by the stage.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 11, 2023
    Inventors: Jeong Won HAN, Myung Soo HUH
  • Publication number: 20220348006
    Abstract: A system for droplet measurement includes an inkjet head including a nozzle which discharges droplets, a substrate on which droplets discharged from the nozzle of the inkjet head are dripped, a first detector disposed below the substrate and including a first camera and a first focusing structure, and a second detector disposed below the substrate and including a second camera and a second focusing structure.
    Type: Application
    Filed: December 22, 2021
    Publication date: November 3, 2022
    Inventors: Jeong Won HAN, Jeong Ho YI
  • Publication number: 20220258465
    Abstract: An inkjet printing apparatus includes a print head including an inkjet head having a nozzle surface; nozzles disposed on the nozzle surface, that spray an ink from the nozzles; and a heater that heats a temperature of the inkjet head to a reference temperature. The nozzles include a first nozzle having a first diameter; and a second nozzle having a second diameter different from the first diameter of the first nozzle, the nozzle surface includes a first area in which the first nozzle is disposed and a second area in which the second nozzle is disposed, the first area has a first temperature in case that the heater heats the inkjet head to the reference temperature, and the second area has a second temperature different from the first temperature in case that the heater heats the inkjet head to the reference temperature.
    Type: Application
    Filed: December 21, 2021
    Publication date: August 18, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jeong Won HAN, Myung Soo HUH
  • Patent number: D974357
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: January 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jeong Won Han