Patents by Inventor So Kim

So Kim 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: 12145898
    Abstract: The present disclosure relates to a compound of Chemical Formula 1, and a composition and an organic light emitting device including the same. The composition including the compound or a cured material thereof is included in an organic material layer of the organic light emitting device.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: November 19, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Jae Seung Ha, Seong So Kim, Minseung Chun
  • Patent number: 12069904
    Abstract: A light emitting diode display apparatus includes: a substrate; a driving element region which is formed on the substrate and in which a plurality of driving elements are arranged in a matrix form; and an emitting element region in which a plurality of emitting elements are arranged in a matrix form, wherein the emitting element includes a first electrode which corresponds to each driving element and is electrically connected to each driving element, a second electrode corresponding to the first electrode, and an emitting layer located between the first electrode and the second electrode, wherein an area of the emitting element region is greater than an area of the driving element region.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: August 20, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Beum-Sik Cho, Ji-Yoon Shin, Tae-Keun Lee, Jung-Chul Kim, Jun-Ho Yeo, Mi-So Kim
  • Publication number: 20240276858
    Abstract: An apparatus for fabricating a display panel includes: a sample module in which a switching transistor is formed, a measurement module having input/output terminals electrically connected to the switching transistor of the sample module, a characteristic detecting unit configured to detect primary operation characteristic information including an output current, an output voltage value and a threshold voltage range of the switching transistor, a model learning unit configured to correct at least one of the output current, the output voltage value and the threshold voltage range in the primary operation characteristic information using a learning program included in at least one learning model, and to extract correction results as learning result data, and a correction learning unit configured to classify the learning result data containing the primary operation characteristic information according to fabrication characteristics of sample switching transistors and a list of classifications.
    Type: Application
    Filed: October 4, 2023
    Publication date: August 15, 2024
    Inventors: Kyong Tae PARK, Tae Young KIM, Dong So KIM, Jung Suk BAE, Sang Hoon LIM, Jong Chan LIM
  • Patent number: 12052913
    Abstract: Provided is an organic electroluminescent device, the organic electroluminescent device comprising a cathode, an anode, and one or more organic material layers provided between the cathode and the anode, the one or more organic material layers comprising a light emitting layer, an electron transport region and a hole transport region, wherein all of the organic materials, other than a dopant, contained in the one or more organic material layers have a triplet state energy of 2.5 eV or higher, at least three types of the organic materials having a triplet state energy of 2.5 eV or higher have a triplet state energy of 2.7 eV or higher, and at least two types of the organic materials having a triplet state energy of 2.5 eV or higher include a spiro compound.
    Type: Grant
    Filed: September 29, 2019
    Date of Patent: July 30, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Jae Seung Ha, Seong So Kim, Minseung Chun, Sang Duk Suh, Min Woo Jung, Boon Jae Jang, Yongbum Cha, Dong Uk Heo, Jungha Lee
  • Patent number: 12043812
    Abstract: Provided is a lubricating composition for inhibiting plugging including a base oil and any one selected from a fatty acid and an emulsifier, with the lubricating composition forming a single phase even when a carboxylic acid-based monomer is introduced with respect to the base oil. The lubricating composition suppresses plugging occurring in a process of preparing a copolymer derived from the carboxylic acid-based monomer. In addition, also provided is a method of inhibiting plugging using the lubricating composition for inhibiting plugging.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: July 23, 2024
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Sun Joo Kim, Mi So Kim, Ho Seong Lee, Min Gu Kim, Jae Hyun Park
  • Patent number: 12044029
    Abstract: An angle variable multi-stage sunshade device, includes: a support member consisting of a 1st support installed on one side and a 2nd support installed to be spaced apart by a predetermined distance from the 1st support; and a sunshade member consisting of multiple sunshade units rotatably installed on the 1st support and the 2nd support, respectively. The device allows the user to easily install the sunshade that covers the upper side of the table by deploying each sunshade unit while adjusting the angle of the multiple sunshades individually in a desired angle and direction according to the altitude of the sun for each season.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: July 23, 2024
    Inventor: Min So Kim
  • Patent number: 11956982
    Abstract: Provided is an organic light-emitting device including: an anode; a cathode facing the anode; two or more light-emitting layers provided between the anode and the cathode and each having a maximum light emission peak of ?500 nm (?500 nm emission layer); and a light-emitting layer provided between the two or more ?500 nm emission layers, and having a maximum light emission peak at >500 nm (>500 nm emission layer), where a distance from the anode to the ?500 nm emission layer most adjacent to the anode is 100 nm to 200 nm, the distance from the anode to the ?500 nm emission most adjacent to the cathode is three to four times the distance from the anode to the ?500 nm emission layer most adjacent to the anode, and an N-type charge generation layer including an alkali metal and a P-type charge generation layer including a material with an electron affinity of ?4.8 eV are provided between each of the ?500 nm emission layers and the emission >500 nm emission layer.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: April 9, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Minseung Chun, Seong So Kim, Jae Seung Ha
  • Patent number: 11877509
    Abstract: The present specification relates to an organic light emitting device.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: January 16, 2024
    Inventors: Yongbum Cha, Seong So Kim, Sung Jae Lee, Sung Kil Hong
  • Patent number: 11839127
    Abstract: Disclosed is a light emitting display device which prevents pixel shrinkage and improves reliability by changing the structure of a bank and the inner structures of light emitting devices outside an active area of the light emitting display device.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: December 5, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyu Il Han, Mi So Kim, Hwa Yong Shin, Ji Hyung Lee
  • Patent number: 11798451
    Abstract: A display apparatus includes a display panel including a first surface including first pixels and a second surface including second pixels, the first surface contacting the second surface at a panel center thereof, a first source integrated circuit (IC) sequentially latching first image data, which is to be applied to the first surface, in a first direction facing the panel center at a panel edge of the first surface, and a second source IC sequentially latching second image data, which is to be applied to the second surface, in a second direction facing the panel center at a panel edge of the second surface, wherein the first direction is opposite to the second direction.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: October 24, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Chul Ha, Hyun Chul Kim, Mi So Kim
  • Patent number: 11778905
    Abstract: Provided is a compound of Chemical Formula 1: wherein X1 is N or CRa, X2 is N or CRb, X3 is N or CRc, and one or more of X1 to X3 are N; Ar1 and Ar2 each independently is a substituted or unsubstituted alkyl, aryl group, or heteroaryl group; Ar3 is a substituted or unsubstituted aryl or heteroaryl group; L is a substituted or unsubstituted arylene group; R1 and R2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl or aryl group, or bond to each other to form a ring; R3 and Ra to Rc each independently is a hydrogen, deuterium, halogen, nitrile, nitro, hydroxyl, or a substituted or unsubstituted group selected from among a silyl, boron, alkyl, cycloalkyl, alkoxy, aryloxy, alkylthioxy, arylthioxy, alkylsulfoxy, arylsulfoxy, alkenyl, aralkyl, aralkenyl, alkylaryl, arylphosphine, phosphine oxide, aryl, or a heteroaryl group, or bond to adjacent groups to form a ring; a3 is 1 to 6; and n is 1 to 5, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: October 3, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Seong So Kim, Minseung Chun, Sang Duk Suh
  • Patent number: 11718606
    Abstract: The present application relates to a compound of Chemical Formula 1 and an organic light emitting device including the same.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: August 8, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Seong So Kim
  • Patent number: 11631821
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: W1 and W2 are the same as or different from each other, and each independently is O or S; A1 and A2 each independently is a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; R1 to R7 each independently is hydrogen, deuterium, a nitrile group, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and R1 to R7, A1 and A2 bond to adjacent substituents to form a substituted or unsubstituted ring, and an organic light-emitting device including the same.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: April 18, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Sung Kil Hong, Yongbum Cha, Seong So Kim, Minseung Chun
  • Publication number: 20230024114
    Abstract: Provided is an organic light-emitting device including: an anode; a cathode provided to face the anode; a light-emitting layer provided between the anode and the cathode; a first organic material layer provided between the anode and the light-emitting layer; and a second organic material layer provided between the cathode and the light emitting layer in which each organic material, from among organic materials included in the light-emitting layer and the organic material layers, the band gap energy (Ebg) of each of the organic materials except for a dopant compound is 3 eV or more, the first organic material layer comprises one or more compounds each composed of centrally sp3 carbon, the second organic material layer includes one or more compounds each composed of centrally sp3 carbon, and the first organic material layer and the second organic material layer include three or more compounds each composed of centrally sp3 carbon.
    Type: Application
    Filed: November 6, 2019
    Publication date: January 26, 2023
    Inventors: Jae Seung HA, Seong So KIM, Minseung CHUN
  • Publication number: 20230005405
    Abstract: A display apparatus includes a display panel including a first surface including first pixels and a second surface including second pixels, the first surface contacting the second surface at a panel center thereof, a first source integrated circuit (IC) sequentially latching first image data, which is to be applied to the first surface, in a first direction facing the panel center at a panel edge of the first surface, and a second source IC sequentially latching second image data, which is to be applied to the second surface, in a second direction facing the panel center at a panel edge of the second surface, wherein the first direction is opposite to the second direction.
    Type: Application
    Filed: July 1, 2022
    Publication date: January 5, 2023
    Inventors: Sung Chul HA, Hyun Chul KIM, Mi So KIM
  • Publication number: 20220384729
    Abstract: Provided is an organic light emitting device that includes an anode, a cathode, a light emitting layer containing a compound of Chemical Formula 1: and a hole transport region that includes a compound of Chemical Formula 2: the organic light emitting device having improved driving voltage, efficiency and lifetime.
    Type: Application
    Filed: July 19, 2022
    Publication date: December 1, 2022
    Inventors: Sang Duk SUH, Sung Kil HONG, Seong So KIM
  • Publication number: 20220341201
    Abstract: An angle variable multi-stage sunshade device, includes: a support member consisting of a 1st support installed on one side and a 2nd support installed to be spaced apart by a predetermined distance from the 1st support; and a sunshade member consisting of multiple sunshade units rotatably installed on the 1st support and the 2nd support, respectively. The device allows the user to easily install the sunshade that covers the upper side of the table by deploying each sunshade unit while adjusting the angle of the multiple sunshades individually in a desired angle and direction according to the altitude of the sun for each season.
    Type: Application
    Filed: January 11, 2022
    Publication date: October 27, 2022
    Inventor: MIN SO KIM
  • Patent number: 11410582
    Abstract: Disclosed herein is a sensing device including a sensing channel terminal connected to a pixel through a sensing line, a first power terminal to which a displaying reference voltage is input, a second power terminal to which a sensing reference voltage different form the displaying reference voltage is input, a third power terminal to which a sampling reference voltage is input, a sampling capacitor having a first electrode to which the sampling reference voltage is applied, a sensing set-up switch connected between the second power terminal and the sensing channel terminal, a first sampling switch connected between the sensing channel terminal and a second electrode of the sampling capacitor, and a second sampling switch connected between the first power terminal and the second electrode of the sampling capacitor.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: August 9, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Chul Ha, Man-Gyu Park, Mi-So Kim
  • Patent number: 11396494
    Abstract: Provided is a compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: July 26, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Sung Kil Hong, Seong So Kim
  • Publication number: 20220208918
    Abstract: A light emitting diode display apparatus includes: a substrate; a driving element region which is formed on the substrate and in which a plurality of driving elements are arranged in a matrix form; and an emitting element region in which a plurality of emitting elements are arranged in a matrix form, wherein the emitting element includes a first electrode which corresponds to each driving element and is electrically connected to each driving element, a second electrode corresponding to the first electrode, and an emitting layer located between the first electrode and the second electrode, wherein an area of the emitting element region is greater than an area of the driving element region.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Beum-Sik CHO, Ji-Yoon SHIN, Tae-Keun LEE, Jung-Chul KIM, Jun-Ho YEO, Mi-So KIM