Patents by Inventor Hyo-Jin Jeon

Hyo-Jin Jeon 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: 20240114778
    Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Application
    Filed: August 14, 2023
    Publication date: April 4, 2024
    Inventors: So-Young JUNG, Hyo-Nim SHIN, Seung-Hyun YOON, Hyun-Ju KANG, Ye-Jin JEON, Tae-Jun HAN, Mi-Ja LEE, Dong-Gil KIM, Sang-Hee CHO
  • Publication number: 20240099544
    Abstract: A cup washer includes a base plate, a water tank disposed on the base plate and configured to store water for washing a cup, and a washing unit disposed above the water tank and configured to wash an accommodated cup, wherein a vertical length of the cup washer is formed to be larger than a length of the base plate.
    Type: Application
    Filed: September 25, 2023
    Publication date: March 28, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Taeyong JUNG, Miseong KIM, Hyo Keun PARK, Sejae OH, Gyeoung Jin JEON, Jaewoo JIN, Changwoo SUNG, Charyeom PARK
  • Publication number: 20240093401
    Abstract: A method of manufacturing a multilayer metal plate by electroplating includes a first forming operation of forming one of a first metal layer and a second metal layer on a substrate by electroplating, wherein the second metal layer is less recrystallized than the first metal layer, the second metal layer is comprised of nanometer-size grains, and the second metal layer has a higher level of tensile strength than the first metal layer; and a second forming operation of forming, by electroplating, a third metal layer not formed in the first forming operation on a surface of one of the first metal layer and the second metal layer formed in the first forming operation.
    Type: Application
    Filed: September 18, 2023
    Publication date: March 21, 2024
    Applicant: DONG-A UNIVERSITY RESEARCH FOUNDATION FOR INDUSTRY-ACADEMY COOPERATION
    Inventors: Hyun PARK, Sung Jin KIM, Han Kyun SHIN, Hyo Jong LEE, Jong Bae JEON, Jung Han KIM, An Na LEE, Tae Hyun KIM, Hyung Won CHO
  • Patent number: 11123388
    Abstract: Provided is a pharmaceutical composition for preventing or treating inflammatory bowel disease (IBD) comprising a mixed extract of at least two of Aucklandia lappa Decne, Terminalia chebula Retzius, and Zingiber officinale Rosc. as an active ingredient and a method thereof, and more specifically, to a pharmaceutical composition having an inhibitory effect on monocyte adhesion in intestinal epithelial cells, an effect of inhibiting the production of inflammatory cytokines, an effect of ameliorating colitis in an animal model of dextran sodium sulfate (DSS)-induced colitis, and an effect of ameliorating Crohn's disease in an animal model of 2,4,6-trinitrobenzenesulfonic acid (TNBS)-induced Crohn's disease.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: September 21, 2021
    Assignee: GENUONE SCIENCES INC.
    Inventors: Yong-baik Cho, Seul-ki Kim, Sang-Back Kim, Jae-hyuck Shin, Young-ran Um, So-youn Mok, Ju-ri Jung, Soon-min Lim, Chae Shin Seo, Hong Koo Cho, Bon Am Koo, Hyo Jin Jeon, Han-Seok Choi, Ye Jin Kim
  • Patent number: 10787736
    Abstract: A polysilicon manufacturing apparatus according to an exemplary embodiment of the present invention includes: a reactor in which a reactive gas is introduced to perform a polysilicon manufacturing process by a chemical vapor deposition (CVD) method; and a slit-type nozzle installed at the reactor and spraying a gas inside the reactor to prevent absorption of silicon particles during a process.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: September 29, 2020
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Hee Dong Lee, Ji Ho Kim, Sung Eun Park, Hyo Jin Jeon
  • Publication number: 20200002808
    Abstract: A polysilicon manufacturing apparatus according to an exemplary embodiment of the present invention includes: a reactor in which a reactive gas is introduced to perform a polysilicon manufacturing process by a chemical vapor deposition (CVD) method; and a slit-type nozzle installed at the reactor and spraying a gas inside the reactor to prevent absorption of silicon particles during a process.
    Type: Application
    Filed: December 27, 2017
    Publication date: January 2, 2020
    Inventors: Hee Dong LEE, Ji Ho KIM, Sung Eun PARK, Hyo Jin JEON
  • Publication number: 20190365820
    Abstract: The present invention relates to a complex for promoting cartilage differentiation comprising stem cells or a culture thereof and a cartilage cell-free crush, a method for fabricating cartilage by using the complex, cartilage fabricated via the method, a pharmaceutical composition comprising the complex for preventing or treating arthropathy, a method for preventing or treating arthropathy using the composition, a composition for inducing cartilage cell differentiation comprising the prepared cartilage cells, and a method for fabricating cartilage using the prepared cartilage cells.
    Type: Application
    Filed: July 4, 2017
    Publication date: December 5, 2019
    Inventors: Kyung Sun Kang, Kwang Won Seo, Kyung Ae Yoon, Hyo Jin Jeon, Yun Beom Sim
  • Patent number: 10438764
    Abstract: Disclosed is a field emission apparatus. The apparatus comprises a cathode electrode and an anode electrode spaced apart from each other, an emitter on the cathode electrode, a gate electrode between the cathode and anode electrodes and including at least one gate aperture overlapping the emitter, and an electron transmissive sheet on the gate electrode and including a plurality of fine openings overlapping the gate aperture.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: October 8, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Chul Choi, Yoon-Ho Song, Hyo Jin Jeon, Jun Tae Kang, Sora Park, Jeong Woong Lee, Eunsol Go, Min-Sik Shin, Jae-Woo Kim, Jin-Woo Jeong, Ji-Hwan Yeon, Sunghee Kim
  • Publication number: 20180303888
    Abstract: Provided is a pharmaceutical composition for preventing or treating inflammatory bowel disease (IBD) comprising a mixed extract of at least two of Aucklandia lappa Decne, Terminalia chebula Retzius, and Zingiber officinale Rosc. as an active ingredient and a method thereof, and more specifically, to a pharmaceutical composition having an inhibitory effect on monocyte adhesion in intestinal epithelial cells, an effect of inhibiting the production of inflammatory cytokines, an effect of ameliorating colitis in an animal model of dextran sodium sulfate (DSS)-induced colitis, and an effect of ameliorating Crohn's disease in an animal model of 2,4,6-trinitrobenzenesulfonic acid (TNBS)-induced Crohn's disease.
    Type: Application
    Filed: November 4, 2016
    Publication date: October 25, 2018
    Inventors: Yong-baik CHO, Seul-ki KIM, Sang-Back KIM, Jae-hyuck SHIN, Young-ran UM, So-youn MOK, Ju-ri JUNG, Soon-min LIM, Chae Shin SEO, Hong Koo CHO, Bon Am KOO, Hyo Jin JEON, Han-Seok CHOI, Ye Jin KIM
  • Publication number: 20180158640
    Abstract: Disclosed is a field emission apparatus. The apparatus comprises a cathode electrode and an anode electrode spaced apart from each other, an emitter on the cathode electrode, a gate electrode between the cathode and anode electrodes and including at least one gate aperture overlapping the emitter, and an electron transmissive sheet on the gate electrode and including a plurality of fine openings overlapping the gate aperture.
    Type: Application
    Filed: December 7, 2017
    Publication date: June 7, 2018
    Inventors: Young Chul CHOI, Yoon-Ho SONG, Hyo Jin JEON, Jun Tae KANG, Sora PARK, Jeong Woong LEE, Eunsol GO, Min-Sik SHIN, Jae-Woo KIM, Jin-Woo JEONG, Ji-Hwan YEON, Sunghee KIM
  • Patent number: 8822714
    Abstract: The present invention relates to a more advanced preparation method of organic-transition metal hydride as a hydrogen storage material, precisely a more advanced preparation method of organic-transition metal hydride containing aryl or alkyl group that facilitates safe and reverse storage of massive amount of hydrogen. The present invention relates to a preparation method of an organic-transition metal hydride comprising the steps of preparing a complex reducing agent composition by reacting alkali metal, alkali earth metal or a mixture thereof and (C10-C20) aromatic compound in aprotic polar solvent and preparing organic-transition metal hydride by reacting the prepared complex reducing agent composition and organic transition metal halide. The method of the present invention has advantages of minimizing the numbers and the amounts of byproducts by using a complex reducing agent and producing organic-transition metal hydride safely without denaturation under more moderate reaction conditions.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: September 2, 2014
    Assignee: Hanwha Chemical Corporation
    Inventors: Jong Sik Kim, Dong Ok Kim, Hee Bock Yoon, Jaesung Park, Hyo Jin Jeon, Gui Ryong Ahn, Dong Wook Kim, Jisoon Ihm, Moon-Hyun Cha
  • Publication number: 20140213647
    Abstract: The present invention provides a compound of formula (I) or a prodrug thereof useful for treating or preventing irritable bowel syndrome, and a composition comprising the compound as an active ingredient. Also, the present invention provides a method for treating or preventing irritable bowel syndrome, which comprises administrating a therapeutically or prophylactically effective amount of the compound or the composition to a subject in need of treating or preventing irritable bowel syndrome.
    Type: Application
    Filed: May 16, 2012
    Publication date: July 31, 2014
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: Won suk Sun, Hyo Jin Jeon, Dongsun Min, Woongsik Kim, Taeksu Kim, Do-Seung Kum, Keun-Ho Ryu, Hae-In Rhee, Yang Hae Park, Hyun-Joo Son, Eun-ju Park, Bong-yong Lee, Hojin Namgung, Minseok Park, Minseok Kang
  • Patent number: 8536358
    Abstract: The present invention relates to substances which can be applied to the technical fields of gas storages, polymerization catalysts and optical isomers, their intermediates, and processes for preparing the same, which is characterized in that 1) possible disintegration of structure of the scaffold material (SM) is impeded, and 2) they are prepared by a simple manufacturing system as compared to the substances conventionally suggested in the application field. Specifically, it relates to scaffold material-transition metal hydride complexes comprised of scaffold material (SM) and transition metal hydride (M1H(n-1)) which is chemically bonded to the functional groups formed on the scaffold material, SM-transition metal halide complex and SM-transition metal ligand complex as the precursors, and a process for preparing the same. The SM-transition metal hydride complex according to the present invention is a substance for hydrogen storage which adsorbs hydrogen via Kubas adsorption.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: September 17, 2013
    Assignee: Hanwha Chemical Corporation
    Inventors: Jong Sik Kim, Dong Wook Kim, Dong Ok Kim, Gui Ryong Ahn, Jeasung Park, Hyo Jin Jeon, Jisoon Ihm, Moon-Hyun Cha
  • Publication number: 20130123527
    Abstract: The present invention relates to a more advanced preparation method of organic-transition metal hydride as a hydrogen storage material, precisely a more advanced preparation method of organic-transition metal hydride containing aryl or alkyl group that facilitates safe and reverse storage of massive amount of hydrogen. The present invention relates to a preparation method of an organic-transition metal hydride comprising the steps of preparing a complex reducing agent composition by reacting alkali metal, alkali earth metal or a mixture thereof and (C10˜C20) aromatic compound in aprotic polar solvent; and preparing organic-transition metal hydride by reacting the prepared complex reducing agent composition and organic-transition metal halide. The method of the present invention has advantages of minimizing the numbers and the amounts of byproducts by using a complex reducing agent and producing organic-transition metal hydride safely without denaturation under more moderate reaction conditions.
    Type: Application
    Filed: December 21, 2012
    Publication date: May 16, 2013
    Inventors: Jong Sik KIM, Dong Ok KIM, Hee Bock YOON, Jaesung PARK, Hyo Jin JEON, Gui Ryong AHN, Dong Wook KIM, Jisoon IHM, Moon-Hyun CHA
  • Patent number: 8354553
    Abstract: The present invention relates to an improved preparation method of an organic-transition metal hydride as a hydrogen storage material, especially an improved preparation method of an organic-transition metal hydride containing aryl or alkyl group that facilitates safe and reversible storage of a massive amount of hydrogen. The present invention also relates to a preparation method of an organic-transition metal hydride comprising the steps of: preparing a complex reducing agent composition by reacting alkali metal, alkali earth metal or a mixture thereof and a C10 to C20 aromatic compound in aprotic polar solvent; and preparing the organic-transition metal hydride by reacting the prepared complex reducing agent composition with an organic-transition metal halide in the absence of a hydrogen source.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: January 15, 2013
    Assignee: Hanwha Chemical Corporation
    Inventors: Jong Sik Kim, Dong Ok Kim, Hee Bock Yoon, Jeasung Park, Hyo Jin Jeon, Gui Ryong Ahn, Dong Wook Kim, Jisoon Ihm, Moon-Hyun Cha
  • Publication number: 20120128807
    Abstract: The present invention relates to a composition or a method for treating or preventing irritable bowel syndrome. The present invention uses Atractylodes japonica rhizome extract, preferably the ethanol water solution extract of Atractylodes japonica rhizome, more preferably the 35-65 v/v % ethanol water solution extract of Atractylodes japonica rhizome for treating or preventing irritable bowel syndrome. Atractylodes japonica rhizome extract shows a surprising effect in suppressing visceral hypersensitivity or improving defecation abnormality caused by stress or bowel irritability.
    Type: Application
    Filed: May 20, 2010
    Publication date: May 24, 2012
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: Won Suck Sun, Taek-Su Kim, Woong Sik Kim, Do-Seung Kum, Keun-Ho Ryu, Hae-In Rhee, Hyo Jin Jeon, Dong Sun Min, Yang Hae Park, Hyun-Joo Son, Eun-Ju Park, Bong-Yong Lee, Hojin Namgung, Minseok Park, Euichaul Oh
  • Publication number: 20110201834
    Abstract: The present invention relates to substances which can be applied to the technical fields of gas storages, polymerization catalysts and optical isomers, their intermediates, and processes for preparing the same, which is characterized in that 1) possible disintegration of structure of the scaffold material (SM) is impeded, and 2) they are prepared by a simple manufacturing system as compared to the substances conventionally suggested in the application field. Specifically, it relates to scaffold material-transition metal hydride complexes comprised of scaffold material (SM) and transition metal hydride (M1H(n-1)) which is chemically bonded to the functional groups formed on the scaffold material, SM-transition metal halide complex and SM-transition metal ligand complex as the precursors, and a process for preparing the same. The SM-transition metal hydride complex according to the present invention is a substance for hydrogen storage which adsorbs hydrogen via Kubas adsorption.
    Type: Application
    Filed: January 22, 2010
    Publication date: August 18, 2011
    Applicant: HANWHA CHEMICAL CORPORATION
    Inventors: Jong Sik Kim, Dong Wook Kim, Dong Ok Kim, Gui Ryong Ahn, Jeasung Park, Hyo Jin Jeon, Jisoon Ihm, Moon-Hyun Cha
  • Patent number: 7790911
    Abstract: The present invention relates to an advanced preparation method of organic-transition metal hydride used as hydrogen storage materials, the method including: preparing organic-transition metal-aluminum hydride complexes by reacting the organic-transition metal halide with metal aluminum hydride compounds; and preparing the organic-transition metal hydride by reacting the organic-transition metal aluminum hydride complexes with Lewis bases. Since the preparation method of the organic-transition metal hydride according to the present invention does not use catalysts, it has advantages that it does not cause problems due to poisoning and can prepare the organic-transition metal hydride at high yield under less stringent conditions. The hydrogen storage materials containing the organic-transition metal hydride prepared from the preparation method can safely and reversibly store a large amount of hydrogen.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: September 7, 2010
    Assignee: Hanwha Chemical Corporation
    Inventors: Jong Sik Kim, Jeasung Park, Hyo Jin Jeon, Hee Bock Yoon, Dong Wook Kim, Gui Ryong Ahn, Dong Ok Kim, Jisoon Ihm, Moon-Hyun Cha
  • Patent number: 7727690
    Abstract: Disclosed are a monomer of iridium complex having a fluoro group as a functional group, a monomer of carbazole derivative having a hydroxy group as the functional group, and a copolymer containing the monomers in its main chain. The iridium complex used as a phosphorescent material and the carbazole derivative having an excellent hole transporting capability are synthesized as the monomer to form the copolymer. The content of iridium complex is easily controlled, and the carbazole derivative and iridium complex are contained in the main chain during the copolymer formation, thereby capable of manufacturing a light emitting device with higher heat resistance and chemical stability.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: June 1, 2010
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Jae-Suk Lee, Nam-Goo Kang, Hyo-Jin Jeon
  • Patent number: D815086
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: April 10, 2018
    Inventors: Dae Hyung Jeon, Hyo Jin Jeon