Patents by Inventor Seok-Jong Lee

Seok-Jong 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: 20230399349
    Abstract: The present invention relates to a method of preparing a symmetrical phosphate-based compound. According to the method of the present invention, since a dinucleating agent is used in a hydrophobic solvent under a base-free condition, the yield of a desired compound may be increased due to excellent reaction stability and reduced side reactions.
    Type: Application
    Filed: October 28, 2021
    Publication date: December 14, 2023
    Inventors: Dae Hwan YOO, Jae Yeol MA, Seok Jong LEE, Kwang Ju JUNG, Weon Ju YU
  • Publication number: 20230391793
    Abstract: The present invention relates to a method of preparing an organosulfur compound, and more particularly, to a method of preparing an organosulfur compound including a step of synthesizing an organosulfur compound by reacting specific compounds with a metal hypohalite under a ruthenium catalyst in a mixed solvent containing water and an organic solvent, wherein reaction temperature during the synthesis is 0 to 25° C. According to the present invention, the present invention has an effect of providing an organosulfur compound preparation method capable of preparing an organosulfur compound in high yield due to excellent reaction stability, short reaction time, and reduced side reactions.
    Type: Application
    Filed: December 18, 2020
    Publication date: December 7, 2023
    Inventors: Jong Jin HA, Ah Rang LEE, Seok Jong LEE, Hee Geun PARK, Kwang Ju JUNG, Jeong Geun PARK
  • Publication number: 20230391743
    Abstract: The present invention relates to a method of preparing an organosulfur compound, and more particularly, to a method of preparing an organosulfur compound including a step of synthesizing an organosulfur compound by reacting specific compounds with a metal hypohalite under a ruthenium catalyst in a mixed solvent containing water and an organic solvent, wherein the metal hypohalite is introduced in a solid state and a portion thereof reacts in an undissolved state. According to the present invention, the present invention has an effect of providing an organosulfur compound preparation method capable of preparing an organosulfur compound in high yield due to excellent reaction stability, short reaction time, and reduced side reactions.
    Type: Application
    Filed: December 18, 2020
    Publication date: December 7, 2023
    Inventors: Jong Jin HA, Ah Rang LEE, Seok Jong LEE, Hee Geun PARK, Kwang Ju JUNG, Jeong Geun PARK
  • Publication number: 20230313372
    Abstract: The present invention relates to a growth inhibitor for forming a thin film, a method of forming a thin film using the growth inhibitor, and a semiconductor substrate fabricated by the method. More specifically, the growth inhibitor for forming a thin film of the present invention is a compound represented by Chemical Formula 1: AnBmXoYiZj. In Chemical Formula 1, A is carbon or silicon; B is hydrogen or an alkyl group having 1 to 3 carbon atoms; X includes one or more of fluorine (F), chlorine (Cl), bromine (Br), and iodine (I); Y and Z independently include one or more selected from the group consisting of oxygen, nitrogen, sulfur, and fluorine and are different from each other; n is an integer from 1 to 15; o is an integer greater than or equal to 1; m is 0 to 2n+1; and i and j are integers from 0 to 3.
    Type: Application
    Filed: July 16, 2021
    Publication date: October 5, 2023
    Inventors: Chang Bong YEON, Jin Hee KIM, Jae Sun JUNG, Jong Moon KIM, Seung Hyun LEE, Seok Jong LEE
  • Publication number: 20230257881
    Abstract: The present invention relates to a growth inhibitor for forming a thin film, a method of forming a thin film using the growth inhibitor, and a semiconductor substrate fabricated by the method. More particularly, the growth inhibitor for forming a thin film according to the present invention is a compound represented by Chemical Formula 1: AnBmXoYiZj. A is carbon or silicon; B is hydrogen or an alkyl group having 1 to 3 carbon atoms; X is a leaving group having a bond dissociation energy of 50 to 350 KJ/mol; Y and Z independently include one or more selected from the group consisting of oxygen, nitrogen, sulfur, and fluorine and are different from each other; n is an integer from 1 to 15; o is an integer greater than or equal to 1; m is 0 to 2n+1; and i and j are integers from 0 to 3.
    Type: Application
    Filed: July 16, 2021
    Publication date: August 17, 2023
    Inventors: Chang Bong YEON, Jin Hee KIM, Jae Sun JUNG, Jong Moon KIM, Seung Hyun LEE, Seok Jong LEE
  • Publication number: 20230175119
    Abstract: The present invention relates to a precursor for forming a thin film. The precursor is in a liquid state under conditions of 20° C. and 1 bar and includes 20 to 100% by weight of a coordination compound represented by Chemical Formula 1 below and 0 to 80% by weight of an alkyl cyanide containing an alkyl group having 1 to 15 carbon atoms: [Chemical Formula 1] MXnLmYz. M is niobium, tungsten, or molybdenum; X is a halogen element; n is 1 to 6; L is an alkyl cyanide containing an alkyl group having 1 to 15 carbon atoms, or a linear or cyclic saturated hydrocarbon having 3 to 15 carbon atoms and substituted with one or more nitrogen, oxygen, phosphorus, or sulfur atoms; m is 1 to 3; bonded Y is an amine; z is an integer from 0 to 4; and n+z is 3 to 6.
    Type: Application
    Filed: June 22, 2021
    Publication date: June 8, 2023
    Inventors: Chang Bong YEON, Jae Sun JUNG, Hye Ran BYUN, Tae Young EOM, Seok Jong LEE
  • Publication number: 20220407011
    Abstract: The present invention relates to an organic compound, an organic light-emitting diode including the organic compound, and a display device including the organic light-emitting diode. More particularly, the present invention relates to an organic compound including a compound presented by Chemical Formula 1 and being capable of improving luminous efficacy, thermal stability, and lifespan properties, an organic light-emitting diode including the organic compound, and a display device including the organic light-emitting diode.
    Type: Application
    Filed: October 30, 2020
    Publication date: December 22, 2022
    Inventors: Kwang Ju JUNG, Jong Jin HA, Seok Jong LEE, Hyun Young YOO, Eun Chul SHIN
  • Publication number: 20220407012
    Abstract: The present invention relates to an organic compound, an organic light-emitting diode including the organic compound, and a display device including the organic light-emitting diode. More particularly, the present invention relates to an organic compound including a compound represented by Chemical Formula 1 and being capable of improving luminous efficacy, thermal stability, and lifespan properties; an organic light-emitting diode including the organic compound; and a display device including the organic light-emitting diode.
    Type: Application
    Filed: October 30, 2020
    Publication date: December 22, 2022
    Inventors: Kwang Ju JUNG, Jong Jin HA, Seok Jong LEE, Hyun Young YOO, Eun Chul SHIN
  • Patent number: 11374177
    Abstract: Provided are a compound represented by the following Chemical Formulas and an organic light emitting device comprising the same.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: June 28, 2022
    Inventors: Kwang Ju Jung, Sung Soo Kim, Hyun Young Yoo, Jong Jin Ha, Seok Jong Lee, Chun Young Lee
  • Publication number: 20200235309
    Abstract: Provided are a compound represented by the following Chemical Formulas and an organic light emitting device comprising the same.
    Type: Application
    Filed: November 7, 2019
    Publication date: July 23, 2020
    Inventors: Kwang Ju JUNG, Sung Soo KIM, Hyun Young YOO, Jong Jin HA, Seok Jong LEE, Chun Young LEE
  • Patent number: 10483328
    Abstract: The present invention provides an organic light-emitting element comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel, which have different colors, the organic light-emitting element comprising: a substrate; a first electrode arranged on the substrate; a second electrode arranged on the first electrode so as to face the first electrode; an organic light-emitting layer arranged between the first electrode and the second electrode, the organic light-emitting layer comprising a first organic light-emitting layer arranged on the first sub-pixel, a second organic light-emitting layer arranged on the second sub-pixel, and a third organic light-emitting layer arranged on the third sub-pixel; a hole transport layer arranged between the first electrode and the organic light-emitting layer; and a light-emitting supplement layer arranged between the hole transport layer and the organic light-emitting layer, the light-emitting supplement layer comprising a first light-emitting supplement layer, which i
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: November 19, 2019
    Assignee: Duk San Neolux Co., Ltd
    Inventors: Bum Sung Lee, Mun Jae Lee, Sung Yun Mun, Dae Sung Kim, Jung Cheol Park, Jae Taek Kwon, Seok Jong Lee, Sun Pil Hwang
  • Publication number: 20190288215
    Abstract: The present invention provides a compound of Chemical Formula 1 and a light emitting device comprising the same.
    Type: Application
    Filed: November 15, 2018
    Publication date: September 19, 2019
    Inventors: Seok-Jong LEE, Jin-Hee KIM, Eun-Chul SHIN, Jae-Kyo PARK, Hyun-Young YOO, Ah Rang LEE
  • Publication number: 20190161485
    Abstract: The present invention provides an organic compound represented by Chemical Formula 1 below: In Chemical Formula 1, R1 to R9 are each, independently, any one selected from the group consisting of hydrogen, a halogen, a nitro group, a substituted or unsubstituted C1-C6 alkyl group, a substituted or unsubstituted C3-C6 cycloalkyl group, a substituted or unsubstituted C6-C40 aryl group, and a substituted or unsubstituted C5-C40 heteroaryl group; L represents a single bond and is any one selected from the group consisting of an alkylene group, a cycloalkylene group, a heterocycloalkylene group, an arylene group, and a heteroarylene group; and Ar1 and Ar2 are each, independently, any one selected from the group consisting of hydrogen, a substituted or unsubstituted C3-C6 cycloalkyl group, a substituted or unsubstituted C3-C6 heterocycloalkyl group, a substituted or unsubstituted C6-C40 aryl group, and a substituted or unsubstituted C2-C40 heteroaryl group.
    Type: Application
    Filed: November 22, 2018
    Publication date: May 30, 2019
    Inventors: Jong Jin HA, Hyun Young YOO, Sung Soo KIM, Seok Jong LEE
  • Patent number: 10297643
    Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate in which at least three pixel areas are defined, a first electrode and a hole transporting layer formed on the substrate, a light-emitting material layer formed on the hole transporting layer in each of the pixel areas, and an electron transporting layer and a second electrode formed on the light-emitting material layer. An optical assistant transporting layer is formed on the light-emitting material layer at a position corresponding to one of the pixel areas, and formed of an electron transporting material. Accordingly, provided can be a high-resolution organic light emitting display device that solves an imbalance of electric charges and has an excellent light output efficiency and an enhanced service life.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: May 21, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
  • Patent number: 10263045
    Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate in which at least three pixel areas are defined, a first electrode and a hole transporting layer formed on the substrate, a light-emitting material layer formed on the hole transporting layer in each of the pixel areas, and an electron transporting layer and a second electrode formed on the light-emitting material layer. An optical assistant transporting layer is formed on the light-emitting material layer at a position corresponding to one of the pixel areas, and formed of an electron transporting material. Accordingly, provided can be a high-resolution organic light emitting display device that solves an imbalance of electric charges and has an excellent light output efficiency and an enhanced service life.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: April 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
  • Publication number: 20190103560
    Abstract: The present invention provides a compound represented by Chemical Formula 1, and a light emitting device comprising the same.
    Type: Application
    Filed: November 30, 2018
    Publication date: April 4, 2019
    Inventors: Kwang Ju JUNG, Seok Jong LEE, Eun Chul SHIN, Jin Hee KIM
  • Publication number: 20180061902
    Abstract: The present invention provides an organic light-emitting element comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel, which have different colors, the organic light-emitting element comprising: a substrate; a first electrode arranged on the substrate; a second electrode arranged on the first electrode so as to face the first electrode; an organic light-emitting layer arranged between the first electrode and the second electrode, the organic light-emitting layer comprising a first organic light-emitting layer arranged on the first sub-pixel, a second organic light-emitting layer arranged on the second sub-pixel, and a third organic light-emitting layer arranged on the third sub-pixel; a hole transport layer arranged between the first electrode and the organic light-emitting layer; and a light-emitting supplement layer arranged between the hole transport layer and the organic light-emitting layer, the light-emitting supplement layer comprising a first light-emitting supplement layer, which i
    Type: Application
    Filed: March 10, 2016
    Publication date: March 1, 2018
    Inventors: Bum Sung LEE, Mun Jae LEE, Sung Yun MUN, Dae Sung KIM, Jung Cheol PARK, Jae Taek KWON, Seok Jong LEE, Sun Pil HWANG
  • Publication number: 20170040389
    Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate in which at least three pixel areas are defined, a first electrode and a hole transporting layer formed on the substrate, an light-emitting material layer formed on the hole transporting layer in each of the pixel areas, and an electron transporting layer and a second electrode formed on the light-emitting material layer. An optical assistant transporting layer is formed on the light-emitting material layer at a position corresponding to one of the pixel areas, and formed of an electron transporting material. Accordingly, provided can be a high-resolution organic light emitting display device that solves an imbalance of electric charges and has an excellent light output efficiency and an enhanced service life.
    Type: Application
    Filed: October 25, 2016
    Publication date: February 9, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
  • Patent number: 9559323
    Abstract: An organic light emitting display device includes a first electrode formed on a substrate and being a reflective electrode, a second electrode facing the first electrode and being a semi-transparent electrode, and red, green and blue emission layers formed between the first and second electrodes, wherein a maximum electroluminescent peak of the redemission layer and a maximum photoluminescence peak of a host included in the red emission layer satisfy Equation 1 below: REDEL?max?RHPL?max?120 nm??<Equation 1> wherein REDEL?max is a maximum electroluminescent peak of the red emission layer, and RHPL?max is a maximum photoluminescence peak of a red host included in the red emission layer.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: January 31, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Se-Hee Lee, Kwan-Soo Kim, Seok-Jong Lee, Jin-Ho Park, Sun-Kap Kwon
  • Patent number: 9508948
    Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate in which at least three pixel areas are defined, a first electrode and a hole transporting layer formed on the substrate, an light-emitting material layer formed on the hole transporting layer in each of the pixel areas, and an electron transporting layer and a second electrode formed on the light-emitting material layer. An optical assistant transporting layer is formed on the light-emitting material layer at a position corresponding to one of the pixel areas, and formed of an electron transporting material. Accordingly, provided can be a high-resolution organic light emitting display device that solves an imbalance of electric charges and has an excellent light output efficiency and an enhanced service life.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: November 29, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim