Patents by Inventor Dong-hoon Lee

Dong-hoon 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: 12727360
    Abstract: A display device comprising a display panel and an input sensor comprising detection electrodes overlapping an active area, and first trace lines connected to the detection electrodes, having a portion overlapping the active area, and comprising mesh lines overlapping the active area, having a portion extending in a first direction, and comprising a first row mesh line having a portion extending in the first direction, and a second row mesh line having a portion extending in the first direction, and spaced apart from the first row mesh line in a second direction, and a second portion electrically connected to the mesh lines, overlapping the peripheral area, extending in the second direction, and comprising a first column wiring connected to the first row mesh line and extending in the second direction, and a second column wiring connected to the second row mesh line and extending in the second direction.
    Type: Grant
    Filed: January 16, 2025
    Date of Patent: September 1, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaehyung Cho, Dong-Hoon Lee, Mukyung Jeon
  • Patent number: 12725556
    Abstract: A gate driver includes stages including a delay circuit for receiving an input signal responsive to a clock signal and outputting the input signal to a control node, a voltage limiting circuit for limiting a voltage of the control node based on high and low limit voltages, an inverter circuit for inverting and outputting the voltage of the control node to an inverting control node, a carry output circuit for outputting a first low gate voltage to a carry output node and outputting a first high gate voltage to the carry output node responsive to the voltage of the inverting control node and a gate output circuit for outputting a second low gate voltage that is lower than the first low gate voltage to a gate output node and outputting a second high gate voltage that is higher than the first high gate voltage to the gate output node.
    Type: Grant
    Filed: December 12, 2024
    Date of Patent: September 1, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunjoon Kim, Bon-Yong Koo, Junhyun Park, Jihoon Yang, Minjae Jeong, Junghwan Hwang, Jaeyong Jang, Dong-Hoon Lee, Jaehyung Cho
  • Publication number: 20260245937
    Abstract: The present disclosure relates to a polymer electrolyte membrane, a membrane-electrode assembly comprising same, and an electrochemical device. The polymer electrolyte membrane comprises a porous support and an ion conductor filled in pores of the porous support, wherein the porous support is a polymer electrolyte which is a metal porous support. According to the present disclosure, provided is a polymer electrolyte membrane of which chemical durability and mechanical durability are improved at the same time and which can provide good battery performance.
    Type: Application
    Filed: February 13, 2023
    Publication date: August 20, 2026
    Inventors: Jung Hwa PARK, Dong-Hoon LEE, Kum Suck SONG, Sung-Hyun YUN, Seung Jib YUM, Chang Hoon OH, Hye Song LEE, Eun Su LEE
  • Publication number: 20260239833
    Abstract: A display device includes a display panel including a light emitting element, a driver including a first gate emission signal generator that generates a first driving signal and a second gate emission signal generator that generates a second driving signal different from the first driving signal, a first conductive layer including a clock line electrically connected to each of the first gate emission signal generator and the second gate emission signal generator, and a second conductive layer disposed on the first conductive layer and defining a first opening overlapping at least a portion of the clock line in plan view and a second opening spaced apart from the first opening.
    Type: Application
    Filed: September 11, 2025
    Publication date: August 13, 2026
    Inventors: JAEHYUNG CHO, ILNAM KIM, MINKYU WOO, DONG-HOON LEE, JAEYONG JANG, MINJAE JEONG
  • Publication number: 20260221810
    Abstract: A shielding member may include: a base part through which an arrangement hole having a predetermined area is formed at the center thereof; a ring-shaped first blocking part which is formed along the rim of the arrangement hole to protrude a certain height from the base part; and an antenna accommodation part which is defined by one surface of the first blocking part and one surface of the base part and is formed at one surface of the base part along the circumferential direction of the first blocking part, wherein each of the base part and the first blocking part is made of a polymer material including a polymer resin and platelike magnetic bodies oriented in along one direction, and the base part and the first blocking part are formed integrally with each other.
    Type: Application
    Filed: December 22, 2023
    Publication date: July 30, 2026
    Applicant: AMOSENSE CO., LTD
    Inventors: Kil-Jae JANG, Dong-Hoon LEE
  • Patent number: 12696643
    Abstract: The present disclosure provides a display panel and an electronic apparatus including the same. The display panel includes a first pixel including a first light emitting part in a first area and a first pixel driver in a second area, a second pixel including a second light emitting part in the second area and a second pixel driver in the second area, a first connection line connecting the first light emitting part and the first pixel driver, and a second connection line connecting the second light emitting part and the second pixel driver, wherein the first and second light emitting parts include a first electrode, an intermediate layer on the first electrode, and a second electrode on the intermediate layer, and the first and second connection lines include a driver connection part and an emission connection part spaced apart from the driver connection part.
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: July 28, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hoon Lee, Jangmi Kang, Myunghoon Park, Byungchang Yu
  • Publication number: 20260213240
    Abstract: Provided is an ion conductor dispersion capable of improving the chemical and mechanical durability of a polymer electrolyte membrane. The ion conductor dispersion according to the present disclosure includes an ion conductor, a crosslinking agent, and a solvent, and has a contact angle of at most 135° with respect to a polytetrafluoroethylene (PTFE) porous membrane. Here, the contact angle is measured 1 second after the ion conductor composition is dropped on the polytetrafluoroethylene (PTFE) porous membrane under the conditions of 25° C. and a relative humidity of 60%.
    Type: Application
    Filed: March 31, 2023
    Publication date: July 23, 2026
    Inventors: Jung Hwa PARK, Dong-Hoon LEE, Kum Suck SONG, Sung-Hyun YUN, Seung Jib YUM, Chang Hoon OH, Hye Song LEE, Eun Su LEE
  • Patent number: 12684963
    Abstract: A display device includes a data line, a first power line, a second power line, a pixel disposed in a display area and connected to the data line, the first power line, and the second power line, a transistor disposed in a non-display area around the display area and connected to the data line and the first power line, and a first light shielding layer extending from a portion of the second power line to the transistor and disposed on the transistor.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: July 14, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haemin Kim, Kyunghoon Chung, Myunghoon Park, Byungchang Yu, Dong-Hoon Lee
  • Publication number: 20260155417
    Abstract: The present disclosure relates to a polymer electrolyte membrane comprising an ion conductor, wherein the ion conductor includes a cation conductive group and an anion conductive group, a method for manufacturing same, and a membrane-electrode assembly comprising same.
    Type: Application
    Filed: November 1, 2022
    Publication date: June 4, 2026
    Inventors: Sung-Hyun YUN, Jung Hwa PARK, Dong-Hoon LEE, Kum Suck SONG, Hye Song LEE
  • Patent number: 12641962
    Abstract: A display panel includes a first peripheral upper electrode disposed on an insulating layer in a peripheral area, a second peripheral upper electrode disposed on the insulating layer in the peripheral area and disposed closer to the display area than the first peripheral upper electrode, a display separator disposed between the upper electrode of the first light emitting device and the upper electrode of the second light emitting device, and a peripheral separator disposed between the first peripheral upper electrode and the second peripheral upper electrode to realize superior electrical reliability.
    Type: Grant
    Filed: October 24, 2023
    Date of Patent: May 26, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jangmi Kang, Myunghoon Park, Byungchang Yu, Dong-Hoon Lee
  • Publication number: 20260120645
    Abstract: A driver includes a first gate emission signal generator which generates a first driving signal; a second gate emission signal generator which generates a second driving signal; a clock line which is disposed between the first gate emission signal generator and the second gate emission signal generator and outputs a clock signal; and a low voltage line which is disposed between the first gate emission signal generator and the second gate emission signal generator and outputs a low voltage line. The first gate emission signal generator and the second gate emission signal generator are electrically connected to a same clock line. The first gate emission signal generator and the second gate emission signal generator are electrically connected to a same low voltage line.
    Type: Application
    Filed: July 10, 2025
    Publication date: April 30, 2026
    Applicant: Samsung Display Co., LTD.
    Inventors: JAEHYUNG CHO, DONG-HOON LEE, MINJAE JEONG, ILNAM KIM, MINKYU WOO, JAEYONG JANG
  • Publication number: 20260114135
    Abstract: A display device including a substrate including a display area; a pixel driving circuit part including at least one transistor disposed on the substrate in the display area; an organic insulating layer disposed on the transistor, wherein the organic insulating layer includes a first upper surface substantially flat in a first area of a light-emitting area of the display area and a second upper surface inclined at a predetermined slope in a second area of the light-emitting area, and wherein a center region of the second upper surface is at a level different than a level of the first upper surface; a pixel electrode disposed on the organic insulating layer; a pixel defining layer having a pixel opening exposing at least a portion of the pixel electrode; and a light-emitting layer disposed in the pixel opening.
    Type: Application
    Filed: July 28, 2025
    Publication date: April 23, 2026
    Inventors: JUNG-HUN NOH, HEEJEAN PARK, DONG-HOON LEE, SUNGCHUL HONG
  • Publication number: 20260107636
    Abstract: Provided is a display apparatus including a substrate, a first thin-film transistor, and a second thin-film transistor, wherein the first thin-film transistor includes a first active layer including an oxide and is disposed above the substrate, the second thin-film transistor includes a second active layer including an oxide and is disposed above the substrate, and the first thin-film transistor is disposed between the substrate and the second thin-film transistor in a thickness direction of the substrate such that a distance between the substrate and the first thin-film transistor has a smaller value than a distance between the substrate and the second thin-film transistor.
    Type: Application
    Filed: July 22, 2025
    Publication date: April 16, 2026
    Applicant: Samsung Display Co., Ltd.
    Inventors: DONG-HOON LEE, BON-YONG KOO, YEONHONG KIM, YUJIN LEE, MINDO HEO
  • Patent number: 12604613
    Abstract: Disclosed is a display device which includes pixel drivers, each of which includes a first transistor switched by a voltage of a node and electrically connected between a second electrode and a second power supply line, a second transistor electrically connected between the node and a data line and switched by a write scan signal, and a capacitor including a first capacitor electrode electrically connected to the node and a second capacitor electrode electrically connected between the second power supply line and the first transistor. First electrodes of light emitting elements overlap each of the first capacitor electrodes of the pixel drivers.
    Type: Grant
    Filed: September 11, 2023
    Date of Patent: April 14, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hoon Lee, Jangmi Kang, Myunghoon Park, Minkyu Woo, Byungchang Yu
  • Patent number: 12596447
    Abstract: A display device includes a display panel and an input sensor. The input sensor may include a first sensing electrode, a signal line electrically connected to a first terminal of the first sensing electrode, a first line at least partially overlapping the first sensing electrode and extending in the same direction as the first sensing electrode in the active area, and a first switching element defining a first current path in the first sensing electrode and the first line or blocking the first current path.
    Type: Grant
    Filed: October 21, 2024
    Date of Patent: April 7, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Hoon Lee, Haemin Kim, Myunghoon Park, Byungchang Yu, Kyunghoon Chung
  • Patent number: 12581817
    Abstract: A display device includes a first electrode portion that overlaps a first sensing electrode of an input sensor, a second electrode portion spaced apart from the first electrode portion and that overlaps a second sensing electrode of the input sensor, a voltage line of a first group that is connected to the first electrode portion, and a voltage line of a second group that is connected to the second electrode portion. The first electrode portion and the second electrode portion correspond to an electrode of a light emitting element.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: March 17, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Hoon Lee, Donguk Kang, Hyunjoon Kim, Haemin Kim, Myunghoon Park, Byungchang Yu
  • Publication number: 20260011295
    Abstract: Disclosed is a display panel including a first driving circuit including first stages arranged along a first direction, a second driving circuit including second stages arranged along the first direction, and at least one clock line between the first driving circuit and the second driving circuit, and extending along the first direction, wherein the first stages and the second stages include an oxide semiconductor transistor including an oxide semiconductor layer, and a gate electrode overlapping portions of the oxide semiconductor layer, and a conductive pattern adjacent to the oxide semiconductor transistor, and at a same layer as the gate electrode.
    Type: Application
    Filed: June 25, 2025
    Publication date: January 8, 2026
    Inventors: DONG-HOON LEE, ILNAM KIM, MINKYU WOO, JAEYONG JANG, MINJAE JEONG, JAEHYUNG CHO
  • Publication number: 20250318384
    Abstract: A display device includes a display area, a first signal pad, a second signal pad, an auxiliary circuit part, an organic protective layer, an insulating film, a first organic film, and a second organic film. The auxiliary circuit part disposed between the first signal pad and the second signal pad in a non-display area, and the organic protective layer overlaps the auxiliary circuit part. The insulating film includes a first insulating opening defined between the first signal pad and the auxiliary circuit part and a second insulating opening defined between the second signal pad and the auxiliary circuit part, and the insulating film may be disposed on the organic protective layer. The first and second organic film may be disposed respectively to fill at least a portion of the first and second insulating openings.
    Type: Application
    Filed: April 3, 2025
    Publication date: October 9, 2025
    Inventors: KIKYUNG YOUK, HONGAM KIM, SEUNGSUE RYU, DONG-HOON LEE
  • Patent number: 12402455
    Abstract: A display device includes a first substrate including a display area including pixels and a non-display area adjacent to the display area, a second substrate facing to the first substrate, a sealing member contacting the first substrate and the second substrate and disposed in the non-display area, a light emitting diode disposed on the first substrate in the display area, a protective layer covering the light emitting diode and spaced apart from the sealing member, a spacer disposed in the non-display area, disposed between the protective layer and the sealing member and surrounding the display area, and a filler disposed between the first substrate and the second substrate.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: August 26, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myunghoon Park, Hyunjoon Kim, Haemin Kim, Byungchang Yu, Dong-Hoon Lee
  • Patent number: 12381203
    Abstract: The present invention relates to a secondary battery comprising a cathode, an anode and a separator interposed between the cathode and the anode, wherein the anode comprises an anode current collector and an anode mixture layer formed on at least one surface of the anode current collector, the anode mixture layer comprises an anode active material, a binder, and a conductive material, a loading amount of the anode mixture layer is 5 mg/cm2 to 15 mg/cm2, and value R of the anode mixture layer is 3,000 or less, wherein R means (permeability of the anode mixture layer)×(current density of a battery)2. According to the present invention, an overvoltage phenomenon of an anode surface and the deposition of lithium metal caused thereby can be prevented so that charging can be performed with a higher current, and thus rapid charging performance is improved, and lifespan is excellent even in the same current.
    Type: Grant
    Filed: November 9, 2023
    Date of Patent: August 5, 2025
    Assignee: SK ON CO., LTD.
    Inventors: Dong-Hoon Lee, Hwan-Ho Jang, Hyo-Sung Lim