Patents by Inventor Duck Lee

Duck 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: 20250151219
    Abstract: Embodiments of the present disclosure relate to flexible display devices, including dual-sided wet hardcoats for flexible cover lens structures, and related methods and coating systems. The flexible cover lens film has beneficial strength, elasticity. optical transmission, and anti-abrasion properties. In one or more embodiments. a cover lens structure for display devices includes a substrate layer including a first side and a second side. The cover lens structure includes a first wet hardcoat layer deposited on the first side of the substrate layer, and a second wet hardcoat layer deposited on the second side of the substrate layer. The cover lens structure includes one or more adhesion promotion layers formed above the second side. and a dry hardcoat layer formed above the second side.
    Type: Application
    Filed: March 24, 2023
    Publication date: May 8, 2025
    Inventors: Helinda NOMINANDA, Tae Kyung WON, Han NGUYEN, Seong Ho YOO, Soo Young CHOI, Sung Hwan YOON, Yoon Duck HAN, Chang Woo LEE, Kyung Whan PARK, Shi Youl SHIN
  • Patent number: 12269965
    Abstract: A resin composition according to an exemplary embodiment of the present disclosure includes a first polyol represented by Chemical Formula 1, a second polyol represented by Chemical Formula 2, and a polyisocyanate, wherein the first polyol and the second polyol have a linear structure without a side chain. each of Y1 to Y4 is H or OH—, at least one of Y1 and Y2 is OH—, at least one of Y3 and Y4 is OH—, each of X1 to X3 is independently a C1-C20 alkyl group, the alkyl group includes or does not include an unsaturated bond, —CH2— in the alkyl group may be substituted or unsubstituted with —CHOH—, and each of n and m is independently 1 to 200.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: April 8, 2025
    Assignees: Samsung Display Co., Ltd., Samhwa Paints Industries Co., Ltd.
    Inventors: Sung Kim, Hyun Sook Kim, Sung-Chan Jo, Kyung Lae Rho, Soo Im Jeong, Seung Kyu Lee, Jang Hwan Jeong, Jae Ho Choi, Soon Jong Kim, Seong Gea Kim, Jae Duck Jung, Dong Hyeok Oh, Kyoung Seok Cho
  • Patent number: 12251944
    Abstract: A meniscus measuring method capable of quickly and accurately measuring meniscus positions in a plurality of nozzles of an inkjet head can be provided. The meniscus measuring method comprises providing a head unit capable of discharging ink through a plurality of nozzles, adhering ink remaining in the plurality of nozzles to a film to form a detection pattern on the film by bringing the film into close contact with the plurality of nozzles, measuring meniscus of ink remaining in the plurality of nozzles based on the detection pattern.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: March 18, 2025
    Assignee: SEMES CO., LTD.
    Inventors: Han Lim Kang, Suk Won Jang, Jae Duck Lee, Won Yong Jin
  • Patent number: 12245489
    Abstract: A display device includes: a pixel defining layer defining openings arranged in first and second directions, the openings forming emission areas in which light emitting elements are disposed to emit light of different colors; a light blocking layer disposed on the pixel defining layer, and defining holes, each overlapping the opening and having a larger diameter than the opening; and color filters disposed on the light blocking layer to overlap the holes and overlap the emission areas. The opening has an opening interval, which is defined as a difference in diameter between the overlapping hole and the opening, in the openings, among homogeneous openings in which the light emitting elements for emitting light of the same color are disposed, the homogeneous openings adjacent in the first or second direction have different opening intervals, and among the homogeneous openings, openings having different opening intervals are at least three types.
    Type: Grant
    Filed: May 2, 2023
    Date of Patent: March 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chan Young Kim, Yeong Ho Lee, Ha Seok Jeon, Jun Hee Lee, Choong Youl Im, Hyun Duck Cho, Kook Hyun Choi
  • Patent number: 12245467
    Abstract: A display device includes a pixel electrode, a wall layer, an emission layer, a touch electrode, and a light blocking member. The wall layer includes an opening exposing the pixel electrode. The emission layer overlaps the pixel electrode. The light blocking member overlaps the touch electrode and includes a first opening and a second opening each exposing the emission layer. A first perimeter section of the first opening is spaced from a first perimeter section of the opening by a first distance in a first direction in a plan view of the display device. A second perimeter section of the first opening is spaced from a second perimeter section of the opening by a second distance in a second direction in the plan view. The second distance is equal to the first distance. The second direction is at 45 degrees relative to the first direction.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: March 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon Bum Lee, Hyun Duck Cho, Chi Wook An
  • Publication number: 20250072222
    Abstract: A light emitting display device includes a substrate, anodes disposed on the substrate, a pixel defining layer having first openings overlapping each of the anodes, light emitting layers each disposed within the first openings of the pixel defining layer, a cathode disposed on the light emitting layers and the pixel defining layer, an encapsulation layer disposed on the cathode, and a light blocking layer disposed on the encapsulation layer and including second openings each overlapping the first openings. One unit pixel includes two light emitting areas of a first color, one light emitting area of a second color, and one light emitting area of a third color. The light emitting areas of the first color have a diamond shape, the second color and the third color light emitting areas each have a rectangular shape, and at least one second opening has an oval shape.
    Type: Application
    Filed: April 1, 2024
    Publication date: February 27, 2025
    Inventors: Kook Hyun CHOI, Changwook KIM, Changhyun BACK, Minjung ANN, Wang Jo LEE, Jun Hee LEE, Hyun Duck CHO, Beohm Rock CHOI, Yechan CHOI
  • Publication number: 20250072266
    Abstract: A light emitting display device includes a substrate, an anode located on the substrate, a pixel defining layer located on the anode with a first opening defined therethrough to overlap the anode, a light emitting layer located within the first opening of the pixel defining layer, a cathode located on the light emitting layer and the pixel defining layer, an encapsulation layer located on the cathode, a scattering layer located on the encapsulation layer and including scattering particles, with a scattering layer opening defined therethrough to overlap the first opening in a plan view at least in part, and a light blocking layer located on the light blocking layer with a second opening defined therethrough to overlap the first opening in a plan view, where at least one selected from the first opening, the scattering layer opening, and the second opening has an oval shape.
    Type: Application
    Filed: May 17, 2024
    Publication date: February 27, 2025
    Inventors: Changwook KIM, Beohm Rock CHOI, Jun Hee LEE, Minjung ANN, Wang Jo LEE, Hyun Duck CHO, Kook Hyun CHOI, Yechan CHOI
  • Publication number: 20250071961
    Abstract: Provided is an electromagnetic wave absorption device. The electromagnetic wave absorption device includes a substrate and an electromagnetic wave absorption layer on the substrate. The electromagnetic wave absorption layer contains a chalcogenide material. The electromagnetic wave absorption layer contains Bi, Sb, Bi2Se3, Bi2Te3, Sb2Te3, Bi1-xSbx, Bi1.1Sb0.9Te2S, or (Bi,Sb)2(Se,Te,S)3. The electromagnetic wave absorption layer is on an entire surface of an upper surface of the substrate.
    Type: Application
    Filed: August 7, 2024
    Publication date: February 27, 2025
    Inventors: Yong-Duck CHUNG, Woo Jung Lee, Daehyung Cho, Tae-Ha Hwang
  • Patent number: 12225788
    Abstract: A display device includes: a substrate including a display area and a peripheral area positioned outside the display area; a first power supply line positioned in the peripheral area; a first insulating layer positioned on the first power supply line; and a second power supply line positioned on the first insulating layer in the peripheral area. The first power supply line includes a first main wire extending in a first direction and a first sub-wire diverging toward the display area from the first main wire, the second power supply line includes a second main wire extending in the first direction and a second sub-wire diverging toward the display area from the second main wire, the first main wire includes an internal edge positioned near the first sub-wire and an external edge facing the internal edge, and the second main wire does not overlap the internal edge in a plan view.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Duck Son, Yul Kyu Lee, Min-Sik Jung, Jun Hwi Park
  • Publication number: 20250039949
    Abstract: A user equipment (UE) is configured to monitor, in discontinuous reception (DRX) operation and in a radio resource control connected (RRC_CONNECTED) state, physical downlink control channels (PDCCHs) during a first active time. The UE is further configured to receive, during the first active time, a PDCCH indicating a first new downlink transmission addressed to a cell radio network temporary identifier (C-RNTI) of the UE and receive the first new downlink transmission, based on the PDCCH addressed to the C-RNTI. The UE is configured to start or restart a DRX Inactivity Timer based on the PDCCH indicating the first new downlink transmission addressed to the C-RNTI. The UE is configured to monitor, in DRX operation and in RRC_CONNECTED state, PDCCHs during a second active time and then receive, during the second active time, a PDCCH indicating a second new downlink transmission addressed to a system information radio network temporary identifier (SI-RNTI).
    Type: Application
    Filed: October 17, 2024
    Publication date: January 30, 2025
    Applicant: Equo IP LLC
    Inventors: Sung Jun PARK, Seung June Yi, Young Dae Lee, Sung Duck Chun
  • Publication number: 20250028238
    Abstract: A method for manufacturing the pellicle includes the steps of forming upper and lower silicon nitride layers on opposite surfaces of a wafer substrate, forming a metal layer on the lower silicon nitride layer, etching the upper silicon nitride layer to a preset thickness after the forming of the metal layer, etching and removing the metal layer after the etching of the upper silicon nitride layer, forming a graphene thin film on the upper silicon nitride layer, forming a pattern on the lower silicon nitride layer, etching the lower silicon nitride layer according to the formed pattern, and etching the wafer substrate along the lower silicon nitride layer etched according to the pattern.
    Type: Application
    Filed: October 2, 2024
    Publication date: January 23, 2025
    Inventors: Seung Il MOON, Young Duck KWON, Byong Wook YOO, Jong Taik MOON, Ki Soo KIM, Sang Min LEE
  • Publication number: 20250028237
    Abstract: A method for manufacturing a graphene thin film for a pellicle material using ozone gas includes a graphene forming step of forming graphene on an upper surface of a substrate, an ozone treatment step of exposing the graphene layer formed in the graphene forming step to ozone, and an etching step of heat-treating and etching the ozone-treated graphene layer.
    Type: Application
    Filed: October 2, 2024
    Publication date: January 23, 2025
    Inventors: Gyu Hyun LEE, Young Duck KWON, Byong Wook YOO, Seung Il MOON, Jong Taik MOON, Ki Soo KIM, Sang Min LEE
  • Patent number: 12154926
    Abstract: An image sensor includes a substrate including a first side on which light is incident, and a second side opposite to the first side, a pixel isolation pattern formed inside the substrate which defines a plurality of unit pixels, a first photoelectric conversion region and a second photoelectric conversion region arranged along a first direction, inside each of the unit pixels, and a region isolation pattern which protrudes from the pixel isolation pattern in a second direction intersecting the first direction, and defines an isolation region between the first photoelectric conversion region and the second photoelectric conversion region. A first width of the isolation region in the second direction on the first side is more than about 1.1 times a second width of the isolation region in the second direction on the second side.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung Duck Lee, Doo Sik Seol, Kyung Ho Lee, Tae Sub Jung, Masato Fujita
  • Patent number: 12097696
    Abstract: Provided are a fringe information measuring apparatus that measures information on a fringe region using a temperature sensor array and a substrate treating system including the same. The fringe information measuring apparatus comprises: a laser sensor configured to output a first laser light and a second laser light to intersect each other; a thermal sensor array configured to pass through a fringe region formed by the intersection of the first laser light and the second laser light; and a control module configured to measure a position of the fringe region based on information obtained when the thermal sensor array passes through the fringe region.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: September 24, 2024
    Assignee: SEMES CO., LTD.
    Inventors: Jae Duck Lee, Han Lim Kang, Won Yong Jin, Suk Won Jang
  • Publication number: 20240155819
    Abstract: Disclosed are a heat dissipation device for a display and a manufacturing method therefor. The heat dissipation device for a display enables the heat generated in a central processing unit provided in a flat panel display device to be quickly discharged to the outside and enables the thickness of the heat dissipation device to be minimized, and thus the overall thickness of the display device can be slim.
    Type: Application
    Filed: January 17, 2022
    Publication date: May 9, 2024
    Applicant: TAEIN LEADING THERMAL SOLUTIONS CO., LTD.
    Inventor: Yong-Duck LEE
  • Publication number: 20240034056
    Abstract: A droplet analysis unit capable of measuring and digitizing the meniscus shape, motion, and position of ink droplets and a substrate treatment apparatus including the droplet analysis unit are provided. The substrate treatment apparatus includes: a process treatment unit supporting a substrate while the substrate is being treated; an inkjet head unit treating the substrate by ejecting a substrate treatment liquid onto the substrate using a plurality of nozzles; a gantry unit moving the inkjet head unit over the substrate; and a droplet analysis unit measuring a meniscus in each of the nozzles that is associated with the substrate treatment liquid, wherein the droplet analysis unit measures and quantifies three-dimensional (3D) information regarding the meniscus based on chromatic aberration.
    Type: Application
    Filed: July 5, 2023
    Publication date: February 1, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Won Yong JIN, Jae Duck LEE, Suk Won JANG
  • Publication number: 20230364914
    Abstract: A maintenance assembly for an inkjet head may include a housing having an upper face facing a nozzle face on which nozzles for discharging a chemical liquid on a substrate are arranged, and an atmosphere generating part for providing an atmosphere including humidity around the nozzles and the nozzle face such that a humidity of the nozzles and a humidity of the nozzle face are adjusted to a set humidity if the humidity of the nozzles and the humidity of the nozzle face are different from the set humidity.
    Type: Application
    Filed: April 26, 2023
    Publication date: November 16, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Won-Yong JIN, Hosang Lee, Jiyun Ahn, Jae-Duck Lee, Suk-Won Jang
  • Publication number: 20230364912
    Abstract: A maintenance assembly for an inkjet head may include a housing having an upper face facing a nozzle face on which nozzles for discharging a chemical liquid on a substrate are arranged, and a fluid supplying part for providing a humidity control fluid onto the nozzles and the nozzle face such that a humidity of the nozzles and a humidity of the nozzle face are adjusted to a set humidity if the humidity of the nozzles and the humidity of the nozzle face are different from the set humidity.
    Type: Application
    Filed: April 24, 2023
    Publication date: November 16, 2023
    Applicant: SEMES CO.,LTD.
    Inventors: Won-Yong JIN, Hosang LEE, Jiyun AHN, Suk-Won JANG, Jae-Duck LEE
  • Publication number: 20230347670
    Abstract: An inkjet head management apparatus for managing a humidity of an inkjet head including nozzles for ejecting droplets in an inkjet manner includes a housing having an opening on at least one surface thereof, a closer for opening or closing the opening of the housing, and a dehumidifier disposed in the housing to provide a dehumidifying atmosphere toward the opening when the opening is opened.
    Type: Application
    Filed: April 19, 2023
    Publication date: November 2, 2023
    Inventors: Hosang LEE, Suk-Won JANG, Jae-Duck LEE, Won-Yong JIN
  • Publication number: 20230349791
    Abstract: Provided are a head life evaluation apparatus and method capable of evaluating lifespans of nozzles by using a plurality of chambers having different environments, the head life evaluation apparatus including a head block including at least one first nozzle for ejecting a treatment liquid in an inkjet manner, and a chamber block detachably coupled to the head block and including at least one first chamber corresponding to the first nozzle to evaluate a lifespan of the first nozzle in a first environment.
    Type: Application
    Filed: April 28, 2023
    Publication date: November 2, 2023
    Inventors: Won-Yong JIN, Suk-Won JANG, Jae-Duck LEE, Hosang LEE