Patents by Inventor Tae-Wan Lee

Tae-Wan 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).

  • ORGANIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME
    Publication number: 20250129034
    Abstract: An organic compound represented by chemical formula 1 of the present invention can implement excellent hole transfer characteristics. In addition, at least one of a hole transport layer and a hole transport auxiliary layer of an organic light emitting diode of the present invention comprises the organic compound represented by chemical formula 1 of the present invention, and thus can improve operation voltage, efficiency, and lifetime characteristics of the organic light emitting diode and, even when combined with a light emitting layer of any color, can implement excellent color coordinates targeted by the light emitting layer.
    Type: Application
    Filed: October 3, 2024
    Publication date: April 24, 2025
    Inventors: Tae Wan LEE, Jie SONG, Hani JEON, Tae-ho KWAK
  • ORGANIC COMPOUNDS AND ORGANIC LIGHT EMITTING DIODE COMPRISING THE SAME
    Publication number: 20250081843
    Abstract: An organic compound represented by a Chemical Formula 1 in accordance with the present invention exhibits excellent hole injection and hole transport characteristics. In addition, an hole transport auxiliary layer of the organic light-emitting diode in accordance with the present invention contains the organic compound represented by the Chemical Formula 1 to lower an operation voltage, and improve efficiency, and lifetime characteristics of the organic light-emitting diode.
    Type: Application
    Filed: August 7, 2024
    Publication date: March 6, 2025
    Inventors: Hani JEON, Tae Wan LEE, Jie SONG, Sangmee KIM, Seunguk CHO, Seung Hye JEONG
  • ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME
    Publication number: 20250031568
    Abstract: The present invention relates to a novel organic compound and an organic electroluminescent device comprising the same. More specifically, the present invention provides an organic electroluminescent device which has a low driving voltage and is significantly improved in terms of device efficiency characteristics and lifetime.
    Type: Application
    Filed: September 6, 2024
    Publication date: January 23, 2025
    Inventors: Hani JEON, Tae Wan LEE, Jie SONG, Sang Hoon HONG
  • ORGANIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME
    Publication number: 20240349598
    Abstract: The organic compound represented by chemical formula 1 of the present disclosure can implement excellent hole injection and hole transport characteristics. In addition, the hole transport auxiliary layer of the organic light emitting diode of the present disclosure can improve the driving voltage, efficiency, and lifetime characteristics of the organic light emitting diode by including the organic compound represented by Chemical Formula 1 of the present disclosure.
    Type: Application
    Filed: April 12, 2024
    Publication date: October 17, 2024
    Inventors: Ha-ni JEON, Tae-Wan LEE, Jie SONG, Seung-Hye JEONG
  • ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING SAME
    Publication number: 20240324451
    Abstract: The present invention relates to a novel organic compound and an organic electroluminescent device including the same, and more specifically, provides an organic electroluminescent device which has a low driving voltage and significantly improved device efficiency characteristics and lifetime.
    Type: Application
    Filed: April 18, 2024
    Publication date: September 26, 2024
    Inventors: Jie SONG, Tae Wan LEE, Hani JEON, Seok Geun JIN
  • Organic electroluminescent device
    Patent number: 11991926
    Abstract: Disclosed is an organic electroluminescent device including a first electrode, one or more organic material layers, and a second electrode, wherein the organic material layer includes a light emitting layer, wherein one or more layers of the organic material layer contain a compound represented by Chemical Formula 1, wherein the light emitting layer contains a compound represented by Chemical Formula 2. The organic electroluminescent device has lowered drive voltage, and improved efficiency and lifespan characteristics.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: May 21, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Inbum Song, Seunghee Yoon, Sunghoon Kim, Seong-Min Park, Tae Wan Lee, Jae Ho Jeong, Jiwoong Yoo
  • Organic light emitting device
    Patent number: 11895911
    Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: February 6, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo
  • Compound and organic light emitting device including the same
    Patent number: 11844270
    Abstract: Disclosed is a novel compound and an organic light-emitting device. The novel compound is represented by the following Chemical Formula 1, and when the novel compound is used as a material for a hole transport layer of an organic light emitting device, the novel compound allows the device to have lowered drive voltage, and improved efficiency and lifespan characteristics.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: December 12, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Heejun Park, Jeongdae Seo, Seonkeun Yoo, Soyoung Jang, Sunghoon Kim, Sang-Hoon Hong, Seong-Min Park, Tae Wan Lee, Sunjae Kim, Dong Hun Lee, Jeonghoe Heo, Gwangyong Kim
  • Organic compound and organic electroluminescent device comprising the same
    Patent number: 11744145
    Abstract: Disclosed is an organic electroluminescent device with lowered driving voltage, and enhanced efficiency and lifetime.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: August 29, 2023
    Assignees: LG DISPLAY CO., LTD., MATERIAL SCIENCE CO., LTD.
    Inventors: Inbum Song, Seunghee Yoon, Heejun Park, Seonkeun Yoo, Soyoung Jang, Sunghoon Kim, Seong-Min Park, Tae Wan Lee, Sunjae Kim, Dong Hun Lee, Jeonghoe Heo
  • Organic light emitting device
    Patent number: 11696497
    Abstract: The present disclosure provides a novel compound and an organic light-emitting device comprising the same. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 4, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Seong-Min Park
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20230172060
    Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 1, 2023
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo
  • Compound and organic electroluminescent device comprising the same
    Patent number: 11545630
    Abstract: Organic electroluminescent devices with lowered driving voltages, and enhanced efficiencies and lifetimes are provided.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: January 3, 2023
    Assignees: LG Display Co., Ltd., MATERIAL SCIENCE CO., LTD.
    Inventors: Inbum Song, Seunghee Yoon, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo, Seong-Min Park, Sunjae Kim
  • Organic light emitting device
    Patent number: 11515480
    Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 29, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo
  • Organic compound and organic electroluminescent element comprising same
    Patent number: 10941108
    Abstract: The present invention relates to an adamantane derivative compound and an organic light-emitting diode (OLED) including the same, and more particularly, to an adamantane derivative compound capable of being used in an OLED and an OLED having excellent properties such as low voltage and high efficiency using the compound.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: March 9, 2021
    Inventors: Jae Ho Jeong, Tae Wan Lee, Kwang Seok Do, Dong Hun Lee, Jin Sung Kim
  • NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20200335698
    Abstract: Disclosed is a novel compound and an organic light-emitting device. The novel compound is represented by the following Chemical Formula 1, and when the novel compound is used as a material for a hole transport layer of an organic light emitting device, the novel compound allows the device to have lowered drive voltage, and improved efficiency and lifespan characteristics.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Heejun PARK, Jeongdae SEO, Seonkeun YOO, Soyoung JANG, Sunghoon KIM, Sang-Hoon HONG, Seong-Min PARK, Tae Wan LEE, Sunjae KIM, Dong Hun LEE, Jeonghoe HEO, Gwangyong KIM
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20200335705
    Abstract: Disclosed is an organic electroluminescent device including a first electrode, one or more organic material layers, and a second electrode, wherein the organic material layer includes a light emitting layer, wherein one or more layers of the organic material layer contain a compound represented by Chemical Formula 1, wherein the light emitting layer contains a compound represented by Chemical Formula 2. The organic electroluminescent device has lowered drive voltage, and improved efficiency and lifespan characteristics.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Inbum SONG, Seunghee YOON, Sunghoon KIM, Seong-Min PARK, Tae Wan LEE, Jae Ho JEONG, Jiwoong YOO
  • ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME
    Publication number: 20200321525
    Abstract: The present invention relates to a novel organic compound and an organic light emitting device including the same, and more specifically provides an organic electroluminescent device with remarkably improved light emitting efficiency and service life.
    Type: Application
    Filed: April 2, 2020
    Publication date: October 8, 2020
    Inventors: Tae Wan Lee, Jeong Hoe Heo, Dong hun Lee, Seong min Park, Sun Jae Kim, Sung Hoon Kim
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20200203620
    Abstract: The present disclosure provides a novel compound and an organic light-emitting device comprising the same. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Application
    Filed: December 20, 2019
    Publication date: June 25, 2020
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Seong-Min Park
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20200203619
    Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo
  • NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20200144509
    Abstract: Organic electroluminescent devices with lowered driving voltages, and enhanced efficiencies and lifetimes are provided.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 7, 2020
    Inventors: Inbum Song, Seunghee Yoon, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo, Seong-Min Park, Sunjae Kim