Patents by Inventor Jin-Joo Kim

Jin-Joo 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: 12250882
    Abstract: The present specification provides a compound represented by Formula 1 and an organic light emitting device including the same.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: March 11, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Hongsik Yoon, Wanpyo Hong, Jin Joo Kim, Dong Hoon Lee, Moung Gon Kim
  • Patent number: 12180177
    Abstract: A compound of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: December 31, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hongsik Yoon, Wanpyo Hong, Jin Joo Kim, Dong Hoon Lee, Su Jin Han, Seulchan Park
  • Patent number: 12116379
    Abstract: A compound of Formula 1 and an organic light emitting device including the same.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: October 15, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Sihyun Han, Sang Young Jeon, Wanpyo Hong, Jin Joo Kim, Sujeong Geum, Kyunghee Kim
  • Patent number: 12041848
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: July 16, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seongmi Cho, Jin Joo Kim
  • Patent number: 11895915
    Abstract: Disclosed is an organic light emitting diode (OLED) comprising at least one emitting unit that includes a first compound, which may have a bipolar property, a second compound, which may have a delayed fluorescent property, and a third compound, which may have narrow FWHM (full width at half maximum) and a fluorescent property, and an organic light emitting device including the OLED. Further the compounds have defined relative LUMO and HOMO energies. The OLED and the organic light emitting device has enhanced luminous efficiency, color purity and luminous life span as well as low driving voltage.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: February 6, 2024
    Assignees: LG DISPLAY CO., LTD, LG CHEM, LTD.
    Inventors: Hyong-Jong Choi, Tae-Ryang Hong, Joong-Hwan Yang, Jun-Yun Kim, Wan-Pyo Hong, Jin-Joo Kim, Hong-Sik Yoon
  • Patent number: 11878962
    Abstract: Provided is a compound of Chemical Formula 1: wherein X is O or S; L1 and L2 each independently is a direct bond or a substituted or unsubstituted arylene group; X1 is N or CR1, X2 is N or CR2, X3 is N or CR3, and at least two of X1 to X3 are N; R1 to R3 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; Ar1 and Ar2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; positions at which ?is substituted with ?are asymmetric; m1, m2, n1 and n2 each independently is 0 or 1; and m1+m2 is 1, and n1+n2 is 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: January 23, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Dong Uk Heo, Jin Joo Kim, Dong Hoon Lee, Jungoh Huh, Yongbum Cha, Wanpyo Hong
  • Patent number: 11858947
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: L is a substituted or unsubstituted tricyclic or higher divalent heterocyclic group including two or more heteroatoms selected from among N, O and S; Ar is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and R1 to R14 are the same as or different from each other, and each independently is hydrogen, a nitrile group, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or bond to adjacent groups to form at least one substituted or unsubstituted aromatic ring; and an organic light emitting device including the same.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: January 2, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Minjun Kim, Jin Joo Kim, Wanpyo Hong, Dong Hoon Lee
  • Patent number: 11856853
    Abstract: The present disclosure relates to an organic compound having the following structure of Chemical Formula 1, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound is a bipolar organic compound having a p-type moiety and an n-type moiety. The organic compound has a high excited triplet energy level, a wide energy bandgap and excellent thermal stability. When the organic compound is introduced into an emitting material layer (EML) of the OLED, holes and electrons are recombined in the whole area of the EML, thus the OLED can improve its luminous efficiency and luminous lifetime.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: December 26, 2023
    Assignees: LG DISPLAY CO., LTD., LG CHEM, LTD.
    Inventors: Hyong-Jong Choi, Bo-Min Seo, Ik-Rang Choe, Hye-Gun Ryu, Jin-Joo Kim
  • Patent number: 11802124
    Abstract: A compound of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: October 31, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hongsik Yoon, Jin Joo Kim, Wanpyo Hong, Dong Hoon Lee, Min Woo Jung, Jungha Lee
  • 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: 11683982
    Abstract: An organic compound including a carbazolyl moiety having a p-type property, a dibenzofuranyl or dibenzothiophenyl moiety having an n-type property and further substituted with a dibenzofuranyl or dibenzothiophenyl moiety is disclosed. An organic light emitting diode and an organic light emitting device including the organic compound are also disclosed. The organic compound has excellent thermal resistance and a high energy level due to the combination of fused hetero aromatic rings. Therefore, the organic light emitting diode and the organic light emitting device including the organic compound show excellent luminous efficiency and an improved luminous lifetime.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: June 20, 2023
    Assignees: LG DISPLAY CO., LTD., LG CHEM, LTD.
    Inventors: Jun-Yun Kim, Tae-Ryang Hong, Joong-Hwan Yang, Wan-Pyo Hong, Jin-Joo Kim, Hong-Sik Yoon
  • Publication number: 20230188121
    Abstract: Disclosed is an entropy generation apparatus, which includes a detector that detects particles emitted from the radiation source to generate a detection signal; a preamplifier that amplifies the detection signal to generate an amplified signal; a filter that filters the amplified signal to generate a filtered signal; and a comparator that generates a pulse based on a result of comparing the filtered signal with a threshold value.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 15, 2023
    Inventors: Jong Bum KIM, Jin Joo KIM, Kyung Hwan PARK, Seong Mo PARK, Kwang Jae SON, Byoung Gun CHOI, Sang Mu CHOI, Jin Tae HONG, Jin KIM, Tae Wook KANG, Ki Su KIM
  • Patent number: 11634430
    Abstract: The present specification provides a heterocyclic compound of Chemical Formula 1, and an organic light emitting device comprising the same. The heterocyclic compound used as a material of an organic material layer of an organic light emitting device provides enhanced efficiency, low driving voltage, and enhanced lifetime properties of the organic light emitting device.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: April 25, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Seok Jeong, Minseung Chun, Wanpyo Hong, Jin Joo Kim, Hongsik Yoon, Joongsuk Oh
  • Publication number: 20230097135
    Abstract: An additive for a photoresist, a photoresist composition for a EUV including the same, and a method for manufacturing a semiconductor device using the same, the additive including a copolymer that includes a first repeating unit represented by the following Chemical Formula 1-1, and a second repeating unit represented by the following Chemical Formula 2, wherein a molar ratio of the first repeating unit to the second repeating unit is 7:3 to 2:8,
    Type: Application
    Filed: September 7, 2022
    Publication date: March 30, 2023
    Inventors: Jin Joo KIM, Ye Chan KIM, Ju-Young KIM, Ji Yup KIM, Hyun Woo KIM, Ju Hyeon PARK, Ji Cheol PARK, Hyun Ji SONG, Hong Gu IM, Suk Koo HONG
  • Patent number: 11588113
    Abstract: Disclosed is an organic light emitting diode (OLED) includes a first emitting material layer, which includes a first compound and a second compound, and a second emitting material layer, which includes a third compound and a fourth compound, wherein a HOMO energy level of the first compound is higher than a HOMO energy level of the second compound and a HOMO energy level of the third compound is lower than a HOMO energy level of the fourth compound, and an organic light emitting device having the OLED. The OLED and the organic light emitting device disclosed have enhanced luminous efficiency, color purity and luminous life span as well as low driving voltage by applying the emitting material layer.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: February 21, 2023
    Assignees: LG DISPLAY CO., LTD., LG CHEM, LTD.
    Inventors: Tae-Ryang Hong, Hyong-Jong Choi, Jun-Yun Kim, Wan-Pyo Hong, Jin-Joo Kim, Hong-Sik Yoon
  • Patent number: 11502261
    Abstract: The present disclosure relates to a compound represented by Formula 1 and an organic light emitting device using the same. The compound used as a material of an organic material layer of the organic light emitting device provides improved efficiency, low driving voltage, and improved lifetime characteristic.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: November 15, 2022
    Assignee: LG CHEM LTD.
    Inventors: Wanpyo Hong, Min Seung Chun, Kyung Seok Jeong, Jin Joo Kim, Ok Keun Song, Hongsik Yoon
  • Patent number: 11482677
    Abstract: The present specification relates to a compound and an organic electronic device including the same.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: October 25, 2022
    Inventors: Yongbum Cha, Sung Kil Hong, Jungoh Huh, Jin Joo Kim
  • Publication number: 20220271233
    Abstract: The present specification provides a compound represented by Formula 1 and an organic light emitting device including the same. The compound contains a deuterium and is used as a material of a light emitting layer of the organic light emitting device.
    Type: Application
    Filed: October 25, 2019
    Publication date: August 25, 2022
    Inventors: Hongsik YOON, Wanpyo HONG, Jin Joo KIM, Dong Hoon LEE, Moung Gon KIM
  • Patent number: 11366639
    Abstract: The exemplary embodiments of the present invention provide a quantum random number generation apparatus according to an exemplary embodiment of the present invention including: a space-division semiconductor detector including a plurality of cells, each individually absorbing a plurality of emission particles emitted from a radioactive isotope; and a signal processor that generates a random number based on an absorption event at which the plurality of emission particles are absorbed into the plurality of cells, and thus new type of random number conversion method that combines a spatial randomness and existing temporal randomness of the emission particle can be provided, there is no restriction generated due to the dead time, the random number generation rate can be remarkably increased, and it is possible to generate of a pure random number at high speed, which is required by a computer, a network processor, or an IoT device.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: June 21, 2022
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KOREA ATOMIC ENERGY RESEARCH INSTITUT
    Inventors: Kyung-Hwan Park, Tae Wook Kang, Jong Bum Kim, Jin Joo Kim, Seong Mo Park, Kwang-Jae Son, Young Rang Uhm, Byounggun Choi, Sang Mu Choi, Jintae Hong
  • Publication number: 20220017545
    Abstract: A compound of Formula 1 and an organic light emitting device including the same.
    Type: Application
    Filed: December 26, 2019
    Publication date: January 20, 2022
    Inventors: Sihyun HAN, Sang Young JEON, Wanpyo HONG, Jin Joo KIM, Sujeong GEUM, Kyunghee KIM