Patents by Inventor Hee-Jun Park

Hee-Jun Park 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: 12545696
    Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: February 10, 2026
    Assignees: LG DISPLAY CO., LTD., DUPONT SPECIALTY MATERIALS KOREA LTD.
    Inventors: Hee-Jun Park, Ku-Sun Choung, Yoo-Jeong Jeong, Sung-Jin Park, Jae-Min Moon, Hee-Ryong Kang, Kyoung-Jin Park, Hyun Kim, Ga-Won Lee, Seung-Hyun Yoon
  • Patent number: 12540152
    Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: February 3, 2026
    Assignees: LG DISPLAY CO., LTD., DUPONT SPECIALTY MATERIALS KOREA LTD.
    Inventors: Ku-Sun Choung, Hee-Jun Park, Hee-Ryong Kang, Kyoung-Jin Park, Hyun Kim, Ga-Won Lee, Seung-hyun Yoon
  • Patent number: 12484436
    Abstract: The present disclosure relates to an organic metal compound, an organic light emitting diode and an organic light emitting device having the compound, in particular, to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: November 25, 2025
    Assignees: LG Display Co., Ltd., Dupont Specialty Materials Korea Ltd.
    Inventors: Hee-Jun Park, Ku-Sun Choung, Yoo-Jeong Jeong, Sung-Jin Park, Jae-Min Moon, Hee-Ryong Kang, Kyoung-Jin Park, Hyun Kim, Ga-Won Lee, Seung-hyun Yoon
  • Patent number: 12446458
    Abstract: The present disclosure relates to an organometallic compound in Formula below and an organic light emitting diode and an organic light emitting device including the organometallic compound. The organometallic compound provides high emitting efficiency and longer lifespan, and the organic light emitting diode and the organic light emitting device have advantages in the emitting efficiency and the lifespan.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: October 14, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ku-Sun Choung, Hee-Jun Park, Sung-Jin Park, Jae-Min Moon, Yoo-Jeong Jeong, Hee-Ryong Kang, Kyoung-Jin Park, Hyun Kim, Ga-Won Lee, Seung-Hyun Yoon
  • Patent number: 12408547
    Abstract: The present disclosure relates to an organometallic compound in Formula below and an organic light emitting diode and an organic light emitting device including the organometallic compound. The organometallic compound provides high emitting efficiency and longer lifespan, and the organic light emitting diode and the organic light emitting device have advantages in the emitting efficiency and the lifespan.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: September 2, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ku-Sun Choung, Hee-Jun Park, Sung-Jin Park, Jae-Min Moon, Yoo-Jeong Jeong, Hee-Ryong Kang, Kyoung-Jin Park, Hyun Kim, Ga-Won Lee, Seung-Hyun Yoon
  • Patent number: 12144242
    Abstract: The present disclosure relates to an organic metal compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic metal compound of the following structure. Incorporating the organic metal compound of the following structure into an emitting unit makes the OLED with improved luminous efficiency, luminous color purity and luminous lifetime.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: November 12, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Jun Park, Do-Han Kim, Hye-Seung Kang
  • Patent number: 12116377
    Abstract: The present disclosure provides an organometallic compound below and an organic light emitting diode and an organic light emitting display device including the organometallic compound.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: October 15, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Jun Park, Do-Han Kim, Hye-Seung Kang, Jae-Min Moon
  • Publication number: 20240334815
    Abstract: The organic light emitting diode according to an embodiment of the present disclosure includes a first electrode, a second electrode disposed opposite to the first electrode, one or more organic layers positioned on the inside of the first electrode and the second electrode, and a capping layer positioned on at least one outside of the first electrode and the second electrode, wherein a color viewing angle (?u?v?) at viewing angles of 30°, 45° and 60° of light produced from the organic layer and emitted through the capping layer, is less than 0.010.
    Type: Application
    Filed: September 7, 2023
    Publication date: October 3, 2024
    Inventors: Hee-Jun PARK, Seung-Hyun KIM, Sun-Jung KIM, Seok-Geun JIN
  • Publication number: 20240300990
    Abstract: A compound represented by the Chemical Formula 1 has a high-density and thus constitutes a dense film structure. Moreover, the compound represented by the Chemical Formula 1 binds to oxygen or moisture, thereby suppressing penetration of oxygen or moisture into the organic light-emitting device. In addition, the organic light-emitting device including a novel compound represented by a Chemical Formula 1 has a low operation voltage and has excellent luminous efficiency, excellent external quantum efficiency (EQE), a long lifetime, and excellent stability.
    Type: Application
    Filed: February 28, 2024
    Publication date: September 12, 2024
    Inventors: Hee-Jun PARK, Seung-Hyun KIM
  • Patent number: 11889754
    Abstract: The present disclosure provides an organic compound of the following formula and an organic light emitting diode and an OLED device including the same.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: January 30, 2024
    Assignees: LG DISPLAY CO., LTD, P & HTECH
    Inventors: Ji-Cheol Shin, Seon-Keun Yoo, Jeong-Dae Seo, Sang-Beom Kim, Hee-Jun Park, Seo-Yong Hyun, Seok-Keun Yoon
  • Patent number: 11524947
    Abstract: An organic compound having a tetraphenyl moiety and at least one fused hetero aryl moiety having at least one oxygen and/or sulfur on a ring and bonded to the tetraphenyl moiety directly or indirectly, and a light emitting diode and a light emitting device having the organic compound are disclosed. The organic compound has excellent thermal resistance property and hole mobility property. The organic compound can be incorporated into a hole transfer layer, an electron blocking layer and/or a charge generation layer of the light emitting diode. Therefore, the light emitting diode and light emitting device according to the present invention have decreased driving voltage and enhanced luminous efficiency.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: December 13, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: So-Young Jang, Hee-Jun Park, Jeong-Dae Seo, Seon-Keun Yoo, Ji-Cheol Shin, Sang-Beom Kim
  • Patent number: 11469378
    Abstract: The present invention provides an electroluminescent compound of one of following formulas Formula 1 and Formula 2. Another aspect of the invention is an electroluminescent device including a first electrode; a second electrode facing the first electrode; and at least one organic material layer between the first and second electrodes, wherein one or more of the at least one organic material layer includes the electroluminescent compound.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: October 11, 2022
    Assignees: LG DISPLAY CO., LTD., PNH TECH
    Inventors: Seon-Keun Yoo, Hee-Jun Park, Jeong-Dae Seo, Seo-Yong Hyun, Ha-Yeon Kim, Seok-Keun Yoon, Sun-Gi Kim, In-Ho Lee
  • Publication number: 20220209140
    Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.
    Type: Application
    Filed: November 22, 2021
    Publication date: June 30, 2022
    Applicants: LG DISPLAY CO., LTD., ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Hee-Jun PARK, Ku-Sun CHOUNG, Yoo-Jeong JEONG, Sung-Jin PARK, Jae-Min MOON, Hee-Ryong KANG, Kyoung-Jin PARK, Hyun KIM, Ga-Won LEE, Seung-Hyun YOON
  • Publication number: 20220209139
    Abstract: The present disclosure relates to an organic metal compound, an organic light emitting diode and an organic light emitting device having the compound, in particular, to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.
    Type: Application
    Filed: October 6, 2021
    Publication date: June 30, 2022
    Applicants: LG Display Co., Ltd, Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Hee-Jun PARK, Ku-Sun CHOUNG, Yoo-Jeong JEONG, Sung-Jin PARK, Jae-Min MOON, Hee-Ryong KANG, Kyoung-Jin PARK, Hyun KIM, Ga-Won LEE, Seung-hyun YOON
  • Publication number: 20220199919
    Abstract: The present disclosure relates to an organometallic compound in Formula below and an organic light emitting diode and an organic light emitting device including the organometallic compound. The organometallic compound provides high emitting efficiency and longer lifespan, and the organic light emitting diode and the organic light emitting device have advantages in the emitting efficiency and the lifespan.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 23, 2022
    Applicants: LG Display Co., Ltd., Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Ku-Sun Choung, Hee-Jun Park, Sung-Jin Park, Jae-Min Moon, Yoo-Jeong Jeong, Hee-Ryong Kang, Kyoung-Jin Park, Hyun Kim, Ga-Won Lee, Seung-Hyun Yoon
  • Publication number: 20220194973
    Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.
    Type: Application
    Filed: October 12, 2021
    Publication date: June 23, 2022
    Applicants: LG Display Co., Ltd., Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Ku-Sun Choung, Hee-Jun Park, Hee-Ryong Kang, Kyoung-Jin Park, Hyun Kim, Ga-Won Lee, Seung-hyun Yoon
  • Publication number: 20210130382
    Abstract: The present disclosure provides an organometallic compound below and an organic light emitting diode and an organic light emitting display device including the organometallic compound.
    Type: Application
    Filed: October 28, 2020
    Publication date: May 6, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hee-Jun PARK, Do-Han KIM, Hye-Seung KANG, Jae-Min MOON
  • Publication number: 20210074932
    Abstract: The present disclosure relates to an organic metal compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic metal compound of the following structure. Incorporating the organic metal compound of the following structure into an emitting unit makes the OLED with improved luminous efficiency, luminous color purity and luminous lifetime.
    Type: Application
    Filed: September 1, 2020
    Publication date: March 11, 2021
    Inventors: Hee-Jun Park, Do-Han Kim, Hye-Seung Kang
  • Publication number: 20210050527
    Abstract: The present disclosure provides an organic compound of the following formula and an organic light emitting diode and an OLED device including the same.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 18, 2021
    Inventors: Ji-Cheol SHIN, Seon-Keun YOO, Jeong-Dae SEO, Sang-Beom KIM, Hee-Jun PARK, Seo-Yong HYUN, Seok-Keun YOON
  • Publication number: 20200199090
    Abstract: An organic compound having a tetraphenyl moiety and at least one fused hetero aryl moiety having at least one oxygen and/or sulfur on a ring and bonded to the tetraphenyl moiety directly or indirectly, and a light emitting diode and a light emitting device having the organic compound are disclosed. The organic compound has excellent thermal resistance property and hole mobility property. The organic compound can be incorporated into a hole transfer layer, an electron blocking layer and/or a charge generation layer of the light emitting diode. Therefore, the light emitting diode and light emitting device according to the present invention have decreased driving voltage and enhanced luminous efficiency.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: So-Young JANG, Hee-Jun PARK, Jeong-Dae SEO, Seon-Keun YOO, Ji-Cheol SHIN, Sang-Beom KIM