Patents by Inventor Min-Seung Chun

Min-Seung Chun 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).

  • PHENYLCARBAZOLE-BASED COMPOUNDS AND FLUORENE-BASED COMPOUNDS AND ORGANIC LIGHT EMITTING DEVICE AND FLAT PANEL DISPLAY DEVICE COMPRISING THE SAME
    Publication number: 20250230354
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: April 3, 2025
    Publication date: July 17, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan HWANG, Young-Kook KIM, Yoon-Hyun KWAK, Jong-Hyuk LEE, Kwan-Hee LEE, Min-Seung CHUN
  • Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
    Patent number: 12289990
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: February 20, 2024
    Date of Patent: April 29, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • PHENYLCARBAZOLE-BASED COMPOUNDS AND FLUORENE-BASED COMPOUNDS AND ORGANIC LIGHT EMITTING DEVICE AND FLAT PANEL DISPLAY DEVICE COMPRISING THE SAME
    Publication number: 20240244963
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: February 20, 2024
    Publication date: July 18, 2024
    Inventors: Seok-Hwan HWANG, Young-Kook KIM, Yoon-Hyun KWAK, Jong-Hyuk LEE, Kwan-Hee LEE, Min-Seung CHUN
  • Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
    Patent number: 11950501
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: April 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • PHENYLCARBAZOLE-BASED COMPOUNDS AND FLUORENE-BASED COMPOUNDS AND ORGANIC LIGHT EMITTING DEVICE AND FLAT PANEL DISPLAY DEVICE COMPRISING THE SAME
    Publication number: 20230120805
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 20, 2023
    Inventors: Seok-Hwan HWANG, Young-Kook KIM, Yoon-Hyun KWAK, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Compound and organic light emitting device using the same
    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
  • Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
    Patent number: 11482678
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: October 25, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Organic light emitting device
    Patent number: 11223017
    Abstract: The present disclosure provides an organic light emitting device having improved driving voltage, efficiency and life time.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: January 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Tae Yoon Park, Sang Young Jeon, Min Seung Chun, Seong Mi Cho, Dong Hoon Lee
  • PHENYLCARBAZOLE-BASED COMPOUNDS AND FLUORENE-BASED COMPOUNDS AND ORGANIC LIGHT EMITTING DEVICE AND FLAT PANEL DISPLAY DEVICE COMPRISING THE SAME
    Publication number: 20200152884
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 14, 2020
    Inventors: Seok-Hwan HWANG, Young-Kook KIM, Yoon-Hyun KWAK, Jong-Hyuk LEE, Kwan-Hee LEE, Min-Seung CHUN
  • Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
    Patent number: 10573821
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: February 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20200058885
    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: Application
    Filed: May 2, 2018
    Publication date: February 20, 2020
    Inventors: Wanpyo HONG, Min Seung CHUN, Kyung Seok JEONG, Jin Joo KIM, Ok Keun SONG, Hongsik YOON
  • Organic light emitting device
    Patent number: 10454056
    Abstract: The present invention provides an organic light emitting device including a light emitting layer comprising a compound represented by Chemical Formula 1 and an electron transport layer comprising a compound represented by Chemical Formula 2, and having improved driving voltage and efficiency.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: October 22, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Min Seung Chun, Sang Young Jeon, Boon Jae Jang, Minwoo Choi, Hyeon Soo Jeon
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20190312223
    Abstract: The present invention provides an organic light emitting device including a light emitting layer comprising a compound represented by Chemical Formula 1 and an electron transport layer comprising a compound represented by Chemical Formula 2, and having improved driving voltage and efficiency.
    Type: Application
    Filed: January 3, 2018
    Publication date: October 10, 2019
    Inventors: Min Seung CHUN, Sang Young JEON, Boon Jae JANG, Minwoo CHOI, Hyeon Soo JEON
  • PHENYLCARBAZOLE-BASED COMPOUNDS AND FLUORENE-BASED COMPOUNDS AND ORGANIC LIGHT EMITTING DEVICE AND FLAT PANEL DISPLAY DEVICE COMPRISING THE SAME
    Publication number: 20190157568
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: January 29, 2019
    Publication date: May 23, 2019
    Inventors: Seok-Hwan HWANG, Young-Kook KIM, Yoon-Hyun KWAK, Jong-Hyuk LEE, Kwan-Hee LEE, Min-Seung CHUN
  • Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
    Patent number: 10211406
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 14, 2018
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20190006590
    Abstract: The present disclosure provides an organic light emitting device having improved driving voltage, efficiency and life time.
    Type: Application
    Filed: June 26, 2017
    Publication date: January 3, 2019
    Inventors: Tae Yoon PARK, Sang Young JEON, Min Seung CHUN, Seong Mi CHO, Dong Hoon LEE
  • PHENYLCARBAZOLE-BASED COMPOUNDS AND FLUORENE-BASED COMPOUNDS AND ORGANIC LIGHT EMITTING DEVICE AND FLAT PANEL DISPLAY DEVICE COMPRISING THE SAME
    Publication number: 20180159047
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: January 14, 2018
    Publication date: June 7, 2018
    Inventors: Seok-Hwan Hwang, Young-Kook KIM, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
    Patent number: 9917258
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: March 13, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • PHENYLCARBAZOLE-BASED COMPOUNDS AND FLUORENE-BASED COMPOUNDS AND ORGANIC LIGHT EMITTING DEVICE AND FLAT PANEL DISPLAY DEVICE COMPRISING THE SAME
    Publication number: 20170005273
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: September 15, 2016
    Publication date: January 5, 2017
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
    Patent number: 9478754
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: October 25, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun