Patents by Inventor Seok Hoon Jang

Seok Hoon Jang 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: 20240373697
    Abstract: A display device includes: a substrate; a first pixel electrode and a second pixel electrode on the substrate; a dummy pixel electrode between the first pixel electrode and the second pixel electrode, and to receive a dummy voltage; an emissive layer on the first pixel electrode, the second pixel electrode, and the dummy pixel electrode; and a common electrode on the emissive layer. The first pixel electrode is to receive a pixel voltage different from the dummy voltage.
    Type: Application
    Filed: April 9, 2024
    Publication date: November 7, 2024
    Inventors: Seok Hyun LIM, Ju Hoon KANG, Hyung Keun PARK, Eun Ho SONG, Sang Hee JANG, Joo Hee JEON, Mi Yeon CHO, Gun Hee KIM, Dae Ho SONG, Sun Young JUNG
  • Publication number: 20240304737
    Abstract: Provided in one embodiment of the present invention is a solar cell upper electrode which is positioned on a photoactive layer and which includes a conductive polymer layer, wherein ionic liquid comes in contact with the surface of the conductive polymer layer so as to the post-treated, and, due to the post-treatment, an ion-exchange reaction occurs only in the upper area of the conductive upper electrode according to an embodiment of the present invention is not gelated so as to improve electrode performance, and does not oxidize a photoactive layer positioned under the electrode so as to be usable as an upper electrode, and thus can improve the performance of a solar cell to which the electrode is applied.
    Type: Application
    Filed: April 29, 2024
    Publication date: September 12, 2024
    Inventors: Kwang Hee LEE, Hong Kyu KANG, Soo Young JANG, Seok KIM, Hyun Min PARK, Jong Hoon LEE
  • Patent number: 12042828
    Abstract: A wafer cleaning apparatus is provided. The wafer cleaning apparatus includes comprising a chamber configured to be loaded with a wafer, a nozzle on the wafer and configured to provide liquid chemicals on an upper surface of the wafer, a housing under the wafer, a laser module configured to irradiate laser on the wafer, a transparent window disposed between the wafer and the laser module, and a controller configured to control on/off of the laser module, wherein the controller is configured to control repetition of turning the laser module on and off, and retain temperature of the wafer within a temperature range, and a ratio of time when the laser module is on in one cycle including on/off of the laser module is 30% to 50%.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: July 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Min Shin, Hun Jae Jang, Seok Hoon Kim, Young-Hoo Kim, In Gi Kim, Tae-Hong Kim, Kun Tack Lee, Ji Hoon Cha, Yong Jun Choi
  • Publication number: 20240120616
    Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.
    Type: Application
    Filed: April 19, 2022
    Publication date: April 11, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Soon Kwan KWON, Su Taek JUNG, Seok Hoon JANG, Hyeok JEONG, Sang Ho BAE, Byeong Kyu LEE, Seong Won CHOI, Min Wook KIM, Yong Jun LEE
  • Publication number: 20230378611
    Abstract: A separator includes a polyolefin-based separator substrate and a coating portion formed on at least a part of an outer surface of the separator substrate. An uneven portion is formed along an outer periphery of at least one side of the separator, whereby it is possible to prevent deviation of a separator sheet from a movement direction during transfer of the separator sheet and stacking of an electrode assembly.
    Type: Application
    Filed: March 3, 2022
    Publication date: November 23, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Seok Hoon JANG, Byeong Kyu LEE, Hyeok JEONG, Soon Kwan KWON, Su Taek JUNG
  • Publication number: 20230343982
    Abstract: The present invention relates to a mono-cell manufacturing apparatus with a gloss meter and a manufacturing method using the same. More particularly, a mono-cell manufacturing apparatus includes a first separator supply unit configured to supply a first separators; a negative electrode supply unit configured to locate a negative electrode at an upper surface of the first separators; a second separator supply unit configured to supply a second separator configured to cover an upper surface of the negative electrodes; a positive electrode supply unit configured to locate a positive electrode at an upper surface of the second separators; a pressing unit configured to press the first separator, the negative electrode, the second separator, and the positive electrode, and a gloss meter located under the first separator.
    Type: Application
    Filed: March 10, 2022
    Publication date: October 26, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyeok Jeong, Seok Hoon Jang, Su Taek Jung
  • Patent number: 11760647
    Abstract: Provided is a hydrophobic silica aerogel precursor, and a hydrophobic silica aerogel produced using the same. In the methods, a linear silane crosslinking agent containing a PEG-derived unit is introduced when preparing a hydrophobic aerogel precursor, resulting in the production of a hydrophobic silica aerogel having improved high-temperature thermal stability and improved physical properties.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: September 19, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Hee Jung Choi, Se Hyun Kwon, Yeong Rae Chang, Seok Hoon Jang
  • Patent number: 11680172
    Abstract: The present invention relates to a photocurable coating composition for forming a low refractive layer, a method for preparing an antireflection film using the photocurable coating composition, and an anti-reflective film prepared by using the photocurable coating composition. According to the present invention, a low refractive layer is formed of a photocurable coating composition containing two or more types of photo-polymerizable compounds, a photoinitiator, surface-treated hollow inorganic nanoparticles, and surface-treated solid inorganic nanoparticles.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: June 20, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Jin Seok Byun, Jae Young Kim, Boo Kyung Kim, Seok Hoon Jang, Yeong Rae Chang
  • Patent number: 11659766
    Abstract: One embodiment of the present invention provides an organic semiconductor material for electron transport. The organic semiconductor material for electron transport may have a structure represented by the following Formula 1: wherein X1 and X2 each independently represent oxygen (O) or sulfur (S) and R1 and R2 each may independently contain a pyridine group, a dipyridylbenzene group, a fluoropyridine group, a diphenylthiazole group, a diphenyloxazole group, a triphenyldiazole group, a phenylthiadiazole group, a phenyloxadiazole group, a diphenyltriazole group, a pyrimidine group, a pyrimidylbenzene group, a phenylpyrimidine group, a diphenylphosphine oxide group, a diphenyltriazine group or a phenyltetrazine group.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 23, 2023
    Assignee: Daegu Gyeongbuk Institute of Science & Technology
    Inventors: Youn Gu Lee, Seok Hoon Jang
  • Patent number: 11614567
    Abstract: The present invention relates to a low refractive layer and an anti-reflective film comprising the same. The low refractive layer can exhibit excellent optical properties such as a low reflectance and a high light transmittance, and excellent mechanical properties such as high wear resistance and scratch resistance at the same time, without adversely affecting the color of the polymer resin forming the low refractive layer. In particular, due to the excellent alkali resistance, the low refractive layer can maintain excellent physical properties even after alkali treatment. Therefore, when introducing a low refractive layer to the display device, it is expected that the production process can be simplified and further the production rate and the productivity can significantly increase.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: March 28, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Boo Kyung Kim, Yeong Rae Chang, Seok Hoon Jang, Eun Kyu Her, Jin Seok Byun
  • Publication number: 20230071671
    Abstract: An electrode assembly includes a stack, in which a plurality of electrodes and a plurality of separators are alternately stacked on each other and edges of the separators protrude further outward than the electrodes, and a wrapping separator, which surrounds the stack. The edges of at least some of the plurality of separators may be fused with the wrapping separator to form fused portions.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 9, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seok Hoon Jang, Hyeok Jeong, Byeong Kyu Lee, Su Taek Jung, Soon Kwan Kwon
  • Patent number: 11555947
    Abstract: The present invention relates to a low refractive layer and an anti-reflective film comprising the same. The low refractive layer can exhibit excellent optical properties such as a low reflectance and a high light transmittance, and excellent mechanical properties such as high wear resistance and scratch resistance at the same time. In particular, due to the excellent alkali resistance, the low refractive layer can maintain excellent physical properties even after alkali treatment. Therefore, when introducing a low refractive layer to the display device, it is expected that the production process can be simplified and further the production rate and the productivity can significantly increase.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: January 17, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Boo Kyung Kim, Yeong Rae Chang, Seok Hoon Jang, Jin Seok Byun
  • Patent number: 11548992
    Abstract: The present invention relates to an antireflection film. The antireflection film includes a low refractive index layer having excellent alkali resistance and exhibiting remarkably improved mechanical properties such as scratch resistance and impact resistance as well as reduction of a glare phenomenon, and a base film exhibiting excellent mechanical strength and water resistance in spite of a thin thickness and having no fear of interference fringes occurring. Therefore, such antireflection film can be used as a protective film of a polarizing plate or used as any other component so as to provide a thin display device, and furthermore, can effectively prevent the glare phenomenon of the display device, and can more improve the durability and lifespan thereof.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: January 10, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Boo Kyung Kim, Yeong Rae Chang, Seok Hoon Jang, Jin Seok Byun
  • Patent number: 11415726
    Abstract: Described herein is an anti-reflective film including: a hard coating layer; and a low-refractive layer containing a binder resin and hollow inorganic nanoparticles and solid inorganic nanoparticles dispersed in the binder resin. The hollow and solid inorganic particles are dispersed in the low-refractive layer such that the amount of the solid inorganic nanoparticles positioned close to an interface between the hard coating layer and the low-refractive layer is larger than that of the hollow inorganic nanoparticles. Also described is a manufacturing method of the anti-reflective film including: applying a resin composition containing a photopolymerizable compound or a (co)polymer thereof, a fluorine-containing compound including a photoreactive functional group, a photoinitiator, hollow inorganic nanoparticles, and solid inorganic nanoparticles on a hard coating layer, and drying the applied resin composition at a temperature of 35° C. to 100° C.; and photocuring the dried resin composition.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: August 16, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jin Seok Byun, Heon Kim, Boo Kyung Kim, Seok Hoon Jang, Yeong Rae Chang
  • Patent number: 11345688
    Abstract: The compound is represented by Formula 1. In Formula 1, X is O or S, and R1 and R2 are independently selected from the group consisting of aryl, heteroaryl and —P(O)—R3R4, where the aryl, heteroaryl and —P(O)—R3R4 are substituted or unsubstituted with 1 to 4 substituents selected from the group consisting of (C1-C4)alkyl, (C1-C4)alkoxy, aryl and heteroaryl. The “aryl” means a group consisting of 6 to 10 cyclic rings, and the “heteroaryl” means a group consisting of 5 to 14 cyclic rings having 1 to 4 heteroatoms selected from oxygen, sulfur and nitrogen (including quaternary nitrogen). R3 and R4 are independently selected from aryl or heteroaryl.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: May 31, 2022
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Youn Gu Lee, Hong Gi Kim, Seok Hoon Jang
  • Patent number: 11292888
    Abstract: A photopolymerizable composition including: a polymer matrix or a precursor thereof containing a reaction product of an acrylate-based polyol and a compound containing at least one isocyanate group; a photoreactive monomer; and a non-reactive fluoro compound and a photoinitiator; a hologram recording medium produced from the composition; an optical element including the hologram recording medium; and a method of recording a hologram using the photopolymerizable composition.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: April 5, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Seok Hoon Jang, Heon Kim, Boo Kyung Kim, Yeong Rae Chang, Yongjoon Heo, Se Hyun Kwon
  • Patent number: 11275199
    Abstract: The present invention relates to an anti-reflective film exhibiting one or more peaks (qmax) at a scattering vector of 0.0758 to 0.1256 nm?1, in a graph showing a log value of scattering intensity to a scattering vector defined in small-angle X-ray scattering.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: March 15, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jin Seok Byun, Jeong Kyu Lee, Boo Kyung Kim, Seok Hoon Jang, Yeong Rae Chang
  • Patent number: 11262481
    Abstract: The present invention relates to an anti-reflective film exhibiting one or more peaks (qmax) at a scattering vector of 0.0758 to 0.1256 nm?1, in a graph showing a log value of scattering intensity to a scattering vector defined in small-angle X-ray scattering.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: March 1, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jin Seok Byun, Jeong Kyu Lee, Boo Kyung Kim, Seok Hoon Jang, Yeong Rae Chang
  • Patent number: 11126081
    Abstract: The present disclosure relates to a photopolymer composition including: a polymer matrix or a precursor thereof; a photoreactive monomer including a polyfunctional (meth)acrylate monomer having a refractive index of 1.5 or less and a viscosity at 25° C. of 100 cps or less, and a monofunctional (meth)acrylate monomer having a refractive index of 1.5 or more; and a photoinitiator, wherein a content of the monofunctional (meth)acrylate monomer having a refractive index of 1.5 or more in the photoreactive monomer is 60 wt % or more. The present disclosure also relates to a hologram recording medium produced from the photopolymer composition, an optical element including the hologram recording medium, and a holographic recording method using the photopolymer composition.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: September 21, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Boo Kyung Kim, Heon Kim, Seok Hoon Jang, Yeong Rae Chang
  • Patent number: 11117981
    Abstract: The present invention relates to a photopolymer composition comprising: a polymer matrix or a precursor thereof including a reaction product of a polyol including a polyrotaxane compound and a compound containing at least one isocyanate group; a photoreactive monomer; and a photoinitiator. The present invention also relates to a hologram recording medium produced from the photopolymer composition, an optical element comprising the hologram recording medium, and a holographic recording method using the photopolymer composition.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: September 14, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Heon Kim, Boo Kyung Kim, Seok Hoon Jang, Yeong Rae Chang