Patents by Inventor Jong-chan Lee

Jong-chan 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: 20230086576
    Abstract: A display device includes a substrate including pixels, a first electrode and a second electrode spaced apart from each other on the substrate, an organic layer disposed on the first electrode and the second electrode, and light emitting elements disposed on the organic layer between the first electrode and the second electrode and the organic layer includes a scatterer.
    Type: Application
    Filed: June 14, 2022
    Publication date: March 23, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun KIM, Jeong Su PARK, Yoon Jin KIM, Jin Taek KIM, Jong Chan LEE, Jung Eun HONG
  • Publication number: 20230032275
    Abstract: A display device includes a substrate, first and second bridge electrodes on the substrate and spaced apart from each other, a first electrode on the first bridge electrode, a second electrode on the second bridge electrode and spaced apart from the first electrode, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and on the first electrode and the second electrode, a first connection electrode on the first electrode, and contacting the light emitting element and the first bridge electrode, and a second connection electrode on the second electrode, and contacting the light emitting element and the second bridge electrode, wherein the first electrode directly contacts the first bridge electrode, and is separated from the first connection electrode, and wherein the second electrode directly contacts the second bridge electrode, and is separated from the second connection electrode.
    Type: Application
    Filed: May 20, 2022
    Publication date: February 2, 2023
    Inventors: Myeong Hun SONG, Jong Chan LEE, Hyun KIM, Jeong Kook WANG, In Woo KIM, Seung Jin CHU, Jeong Su PARK, Yong Tae CHO
  • Publication number: 20230019300
    Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.
    Type: Application
    Filed: September 14, 2022
    Publication date: January 19, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Woong Hee JEONG, Ki Bum KIM, Jin Yeong KIM, Hyang A PARK, Tae Hoon YANG, Jong Chan LEE
  • Patent number: 11552288
    Abstract: A method for quantitatively analyzing cohesive failure of an electrode analyzes cohesive failure of an electrode and includes preparing an electrode in which an electrode material mixture layer including an electrode active material, a conductive agent, and a binder is formed on a current collector, measuring shear strength (?) data according to a cutting depth while cutting the electrode material mixture layer from a surface thereof until reaching the current collector using a surface and interfacial cutting analysis system (SAICAS), obtaining a regression curve of shear strength according to the cutting depth from the shear strength (?) data, and determining a cutting depth, at which the shear strength is minimum in the regression curve, as a location of cohesive failure.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: January 10, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: In Young Song, Joo Yul Baek, Jeong Kyu Lee, Sung Joon Oh, Jong Chan Lee
  • Publication number: 20230006175
    Abstract: A display device includes: a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area; a transistor disposed on the substrate; a first electrode electrically connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a first encapsulation inorganic layer, an encapsulation organic layer, and a second encapsulation inorganic layer disposed on the second electrode; and an electronic module disposed in the opening area, wherein in the peripheral area, the second electrode has a first opening exposing the emission layer, and the first encapsulation inorganic layer has a second opening exposing the emission layer.
    Type: Application
    Filed: April 6, 2022
    Publication date: January 5, 2023
    Inventors: Hyun Kim, Jin Taek KIM, Jeong Su PARK, Jong Chan LEE, Woong Hee JEONG, Jung Eun HONG
  • Publication number: 20220411269
    Abstract: Disclosed are a positive electrode coating material for a lithium secondary battery including graphene oxide surface-modified with cationic functional groups, a preparation method thereof, and a positive electrode and a lithium secondary battery comprising the coating material. The positive electrode coating material prevents the leaching of lithium polysulfide, thereby improving battery performance.
    Type: Application
    Filed: August 10, 2021
    Publication date: December 29, 2022
    Inventors: Soohyun KIM, Jong-Chan LEE, Kihyun KIM, Kwonnam SOHN, Daun JEONG
  • Publication number: 20220399398
    Abstract: A display device may include pixels disposed on a substrate, each of the pixels including a via layer disposed on the substrate and formed of an organic layer; first and second alignment electrodes disposed on the via layer; a first insulating layer disposed on the first and second alignment electrodes; a first bank pattern disposed on the first insulating layer on the first alignment electrode, and a second bank pattern disposed on the first insulating layer on the second alignment electrode; a second insulating layer disposed on the first and second bank patterns and the first insulating layer; at least one light emitting element disposed on the second insulating layer; a first electrode electrically connected to the light emitting element and the first alignment electrode; and a second electrode electrically connected to the light emitting element and the second alignment electrode. The first insulating layer may include an organic layer.
    Type: Application
    Filed: March 16, 2022
    Publication date: December 15, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun KIM, Jeong Su PARK, Jong Chan LEE
  • Publication number: 20220393157
    Abstract: The present disclosure relates to a positive electrode active material, a preparation method thereof, and a lithium-sulfur battery including the same, more particularly to a positive electrode active material including a particulate structure of a core-shell structure which comprises a core part and a shell part covering the whole surface or a part of the surface of the core part, wherein the core part comprises a sulfur compound, and the shell part comprises a polythiophene acetic acid-polyethylene glycol graft copolymer. The positive electrode active material of the present disclosure has excellent electrochemical reactivity and adsorbs lithium polysulfide to improve capacity and lifetime characteristics of the lithium-sulfur battery.
    Type: Application
    Filed: August 4, 2021
    Publication date: December 8, 2022
    Inventors: Soohyun KIM, Jong-Chan LEE, Kihyun KIM, Kwonnam SOHN, Daun JEONG, Chan Yeong KOONG
  • Publication number: 20220392948
    Abstract: A display device includes a first alignment electrode and a second alignment electrode spaced apart from each other and disposed on a substrate, light emitting elements disposed between the first alignment electrode and the second alignment electrode, and an amorphous silicon layer disposed on the light emitting elements. The amorphous silicon layer includes an electrode portion disposed on a first end portion and a second end portion of each of the light emitting elements, and an insulating portion.
    Type: Application
    Filed: March 10, 2022
    Publication date: December 8, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Jin LEE, Jong Chan LEE, Hyun Wook LEE
  • Publication number: 20220384684
    Abstract: A display device includes a base layer; a via layer over the base layer, the via layer having a concave groove; a light emitting element in the groove; a first electrode over the via layer; a second electrode over the via layer and spaced from the first electrode; and an anchor over the light emitting element within the groove. A first conductor is in the groove and covers an end of the light emitting element.
    Type: Application
    Filed: March 11, 2022
    Publication date: December 1, 2022
    Inventors: Jong Chan LEE, Hyun KIM, Jeong Su PARK, Sung Jin LEE, Hyun Wook LEE, Woong Hee JEONG, Jung Eun HONG
  • Publication number: 20220384782
    Abstract: Disclosed are a positive electrode for a lithium secondary battery which can improve battery performance by coating the modified bottom-up graphene oxide (SBGO) on the positive electrode active material, and thus preventing the leaching of lithium polysulfide, a manufacturing method thereof, and a lithium secondary battery comprising the positive electrode. The positive electrode for the lithium secondary battery includes a positive electrode active material; and bottom-up graphene oxides coated on a surface of the positive electrode active material, where the bottom-up graphene oxides are cross-linked with each other through a hydrocarbon compound containing a cationic functional group.
    Type: Application
    Filed: August 10, 2021
    Publication date: December 1, 2022
    Inventors: Soohyun KIM, Jong-Chan LEE, Seokin CHOI, Kwonnam SOHN, Daun JEONG, Huiseob SHIN
  • Publication number: 20220359790
    Abstract: A display device includes a conductive layer including a voltage line and a conductive pattern on the substrate, a via layer on the conductive layer and including a plurality of contact holes exposing a portion of the conductive layer, a first electrode and a second electrode spaced from each other on the via layer, a first insulating layer on the first electrode and the second electrode and including a plurality of openings exposing the contact holes, light emitting elements on the first electrode and the second electrode on the first insulating layer, and a first connection electrode on the first electrode and in contact with the light emitting element, and a second connection electrode on the second electrode and in contact with the light emitting element, wherein the first connection electrode is in direct contact with the conductive pattern through a first opening exposing a first contact hole.
    Type: Application
    Filed: February 18, 2022
    Publication date: November 10, 2022
    Inventors: Hyun Wook LEE, Basrur VEIDHES, Jong Chan LEE, Sung Won JO, Jung Eun HONG
  • Publication number: 20220336709
    Abstract: A display device and a method of manufacturing the same are provided. The display device includes a pixel including an emission area and a non-emission area, a transistor of the pixel, a protective layer on the transistor, and including an opening area overlapping the non-emission area, alignment electrodes on the protective layer and spaced apart from each other, light emitting elements between respective ones of the alignment electrodes in the emission area, and a connection electrode electrically connected to the light emitting elements, and electrically connected to the transistor in the opening area.
    Type: Application
    Filed: January 19, 2022
    Publication date: October 20, 2022
    Inventors: Hyun Wook LEE, Hyun KIM, Jeong Su PARK, Jong Chan LEE, Jung Eun HONG
  • Publication number: 20220336710
    Abstract: A display device includes an electrode layer including a first electrode and a second electrode that are spaced apart from each other and disposed on a substrate, a light emitting element between the first electrode and the second electrode, and a capping layer disposed on the light emitting element and including at least one low refractive layer and at least one high refractive layer that are alternately disposed. The capping layer includes a first low refractive layer on the electrode layer and the light emitting element, a first high refractive layer on the first low refractive layer, and a second low refractive layer on the first high refractive layer. A thickness of the first low refractive layer is greater than a thickness of the second low refractive layer.
    Type: Application
    Filed: February 17, 2022
    Publication date: October 20, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun KIM, Jeong Su PARK, Jong Chan LEE, Hyun Wook LEE, Jung Eun HONG
  • Patent number: 11476316
    Abstract: A pixel including: a light emitting element; a first transistor between a first node and the light emitting element to control current flowing from a first driving power source through the light emitting element to a second driving power source; a second transistor between a data line and the first transistor, and tamed on by a first scan signal; a third transistor between the first transistor and first node, and turned on by the first scan signal; and a fourth transistor between an initialization power line and the first node, and turned on by a second scan signal, wherein the fourth transistor is a tunneling field effect transistor including a source and drain area that are spaced apart from each other and have opposite conductivities, a channel area between the source area and drain area, and a gate electrode on the channel area with a gate insulating layer therebetween.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: October 18, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Hoon Yang, Ki Bum Kim, Jong Chan Lee, Woong Hee Jeong
  • Publication number: 20220328528
    Abstract: A display device includes a first electrode and a second electrode spaced apart from each other, each of the first electrode and the second electrode including an electrode base layer, a main electrode layer disposed on the electrode base layer, and an electrode upper layer disposed on a portion of the main electrode layer, a first insulating layer disposed on the first electrode and the second electrode, light-emitting elements disposed on the first electrode and the second electrode on the first insulating layer, a first connecting electrode electrically contacting the light-emitting elements, and a second connecting electrode electrically contacting the light-emitting elements. The first electrode includes a first part, the second electrode includes a second part, and the light-emitting elements are disposed on the first part and the second part.
    Type: Application
    Filed: December 14, 2021
    Publication date: October 13, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Chan LEE, Hyun KIM, Jeong Su PARK, Jeong Kook WANG, Hyun Wook LEE, Yong Tae CHO
  • Publication number: 20220328726
    Abstract: A manufacturing method of a display device and a display device are provided. A manufacturing method of a display device includes: preparing a substrate including a light emitting area and a non-light emitting area; arranging a first electrode, a second electrode, a first uncut electrode, and a second uncut electrode on the substrate; forming a bank in the non-light emitting area of the substrate; arranging a light emitting element in the light emitting area of the substrate; removing at least a portion of each of the first uncut electrode and the second uncut electrode; arranging a first contact electrode electrically connecting the light emitting element and the first electrode; and arranging a second contact electrode electrically connecting the light emitting element and the second electrode, and the at least the portion of each of the first uncut electrode and the second uncut electrode is removed within an open area.
    Type: Application
    Filed: March 21, 2022
    Publication date: October 13, 2022
    Inventors: Jong Chan LEE, Cheol Ku KANG, Hyun KIM, Jeong Su PARK, Myeong Hun SONG, Hyun Wook LEE
  • Publication number: 20220328465
    Abstract: A display device includes first and second electrodes disposed on a substrate, the first and second electrodes extending in a direction and being parallel to each other, a first insulating layer disposed on the first and second electrodes, light-emitting elements disposed on the first insulating layer, the light-emitting elements having first end portions disposed on the first electrode and second end portions disposed on the second electrode, and a partition disposed on the first insulating layer and being parallel to the first electrode, the partition including a first part that overlaps the light-emitting elements, and second parts that do not overlap the light-emitting elements, wherein a vertical distance from a top surface of the first electrode to a top surface of the first part is equal to a vertical distance from the top surface of the first electrode to top surfaces of the second parts.
    Type: Application
    Filed: December 7, 2021
    Publication date: October 13, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Geun BAE, Jeong Hyun LEE, Jong Chan LEE, Jin Woo LEE, Da Sol JEONG, Kyung Ah CHOI
  • Patent number: 11469274
    Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woong Hee Jeong, Ki Bum Kim, Jin Yeong Kim, Hyang A Park, Tae Hoon Yang, Jong Chan Lee
  • Publication number: 20220320377
    Abstract: A display device includes: a first electrode and a second electrode that are spaced apart from each other; a light emitting element between the first electrode and the second electrode; a first connecting electrode contacting the first electrode and a first end of the light emitting element; a second connecting electrode contacting the second electrode and a second end of the light emitting element; a first insulating pattern between the first connecting electrode and the second connecting electrode above the light emitting element; and a second insulating pattern including first inorganic layers and second inorganic layers that are alternately stacked with each other between the first connecting electrode and the second connecting electrode above the first insulating pattern.
    Type: Application
    Filed: March 17, 2022
    Publication date: October 6, 2022
    Inventors: Jeong Su PARK, Hyun KIM, Myeong Hun SONG, Jeong Kook WANG, Jong Chan LEE, Yong Tae CHO