Patents by Inventor Ji-Cheol SHIN

Ji-Cheol SHIN 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: 11155543
    Abstract: An embodiment of the present invention provides an organic compound represented by: and an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention includes a phenanthroline core, which has a nitrogen atom of a relatively electron rich sp2 hybrid orbital, and a phosphine oxide moiety, which has an excellent electron transporting property and an excellent thermal stability. The electron transporting property of the organic compound of the present invention is improved based on the chemical structure of the organic compound. Accordingly, when the organic compound is used for the organic light emitting diode and the organic light emitting display device, the driving voltage is reduced, and the lifetime and the emitting efficiency are improved.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: October 26, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sung-Hoon Joo, Seon-Keun Yoo, Seung-Hee Yoon, Ji-Cheol Shin
  • Publication number: 20210320261
    Abstract: An example of the present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
    Type: Application
    Filed: June 23, 2021
    Publication date: October 14, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seung-Hee YOON, Sung-Hoon JOO, Seon-Keun YOO, Ji-Cheol SHIN
  • Patent number: 11081648
    Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 3, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung-Hee Yoon, Sung-Hoon Joo, Seon-Keun Yoo, Ji-Cheol Shin
  • Publication number: 20210074928
    Abstract: Embodiments of the present invention provide an organic light emitting diode and an organic light emitting display device including the organic compound. The organic compound is capable of reducing a driving voltage of an organic light emitting diode and improves a current efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the same.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 11, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seon-Keun YOO, Sung-Hoon JOO, Seung-Hee YOON, Ji-Cheol SHIN
  • Patent number: 10937984
    Abstract: The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: March 2, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ji-Cheol Shin, Sung-Hoon Joo, Seon-Keun Yoo, Seung-Hee Yoon
  • 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
  • Patent number: 10879472
    Abstract: An embodiment of the present invention provides an organic compound represented by following Formula: wherein each of X1 to X5 is independently selected from a carbon atom (C) or a nitrogen atom (N), and at least two or three of X1 to X5 are N, wherein each of R1 and R2 is independently selected from a substituted or non-substituted aryl group or a substituted or non-substituted heteroaryl group, and “a” is an integer between zero (0) to 3, and wherein each of L1 and L2 is independently selected from a substituted or non-substituted arylene group or a substituted or non-substituted heteroarylene group, and “b” is zero (0) or 1. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 29, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seon-Keun Yoo, Sung-Hoon Joo, Seung-Hee Yoon, Ji-Cheol Shin
  • Patent number: 10862044
    Abstract: The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1. This organic compound has the advantages in the thermal stability, the emission property, the color purity, the hole transport property and the hole movement property, and thus the lifetime, the emission efficiency and the emission property of the LED using the same are improved.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: December 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ki-Dong Koo, Jung-Keun Kim, Do-Han Kim, Jeong-Dae Seo, Seon-Keun Yoo, Seung-Hee Yoon, Ji-Cheol Shin
  • 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
  • Publication number: 20200020864
    Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
    Type: Application
    Filed: September 26, 2019
    Publication date: January 16, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seung-Hee YOON, Sung-Hoon JOO, Seon-Keun YOO, Ji-Cheol SHIN
  • Patent number: 10468605
    Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: November 5, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung-Hee Yoon, Sung-Hoon Joo, Seon-Keun Yoo, Ji-Cheol Shin
  • Patent number: 10418561
    Abstract: An embodiment of the present invention provides an organic compound represented by following Formula: wherein each of R1 to R14 is independently selected from hydrogen, substituted or non-substituted C6 to C12 aryl, substituted or non-substituted C3 to C11 heteroaryl, substituted or non-substituted C1 to C10 alkyl, substituted or non-substituted C1 to C10 alkoxy, ether, cyano group (CN), fluorine, tri-fluoro methyl, tri-fluoro methoxy and trimethylsilyl, and at least one of R1 to R10 is the cyano group, and wherein at least one of R11 to R14 is the cyano group, and A is selected from substituted or non-substituted C6 to C30 aryl and substituted or non-substituted C3 to C30 heteroaryl. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: September 17, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jung-Keun Kim, Do-Han Kim, Jeong-Dae Seo, Ji-Cheol Shin, Heung-Woo Choi, Wan-Pyo Hong, Sang-Duk Suh, Joo-Yong Yoon, Sung-Kil Hong
  • Publication number: 20180166647
    Abstract: The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1.
    Type: Application
    Filed: November 3, 2017
    Publication date: June 14, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ji-Cheol SHIN, Sung-Hoon JOO, Seon-Keun YOO, Seung-Hee YOON
  • Publication number: 20180118742
    Abstract: An embodiment of the present invention provides an organic compound represented by: and an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention includes a phenanthroline core, which has a nitrogen atom of a relatively electron rich sp2 hybrid orbital, and a phosphine oxide moiety, which has an excellent electron transporting property and an excellent thermal stability. The electron transporting property of the organic compound of the present invention is improved based on the chemical structure of the organic compound. Accordingly, when the organic compound is used for the organic light emitting diode and the organic light emitting display device, the driving voltage is reduced, and the lifetime and the emitting efficiency are improved.
    Type: Application
    Filed: October 31, 2017
    Publication date: May 3, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: Sung-Hoon JOO, Seon-Keun YOO, Seung-Hee YOON, Ji-Cheol SHIN
  • Publication number: 20180090686
    Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
    Type: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: Seung-Hee YOON, Sung-Hoon JOO, Seon-Keun YOO, Ji-Cheol SHIN
  • Publication number: 20180062083
    Abstract: An embodiment of the present invention provides an organic compound represented by following Formula: wherein each of R1 to R14 is independently selected from hydrogen, substituted or non-substituted C6 to C12 aryl, substituted or non-substituted C3 to C11 heteroaryl, substituted or non-substituted C1 to C10 alkyl, substituted or non-substituted C1 to C10 alkoxy, ether, cyano group (CN), fluorine, tri-fluoro methyl, tri-fluoro methoxy and trimethylsilyl, and at least one of R1 to R10 is the cyano group, and wherein at least one of R11 to R14 is the cyano group, and A is selected from substituted or non-substituted C6 to C30 aryl and substituted or non-substituted C3 to C30 heteroaryl. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Application
    Filed: August 23, 2017
    Publication date: March 1, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jung-Keun KIM, Do-Han KIM, Jeong-Dae SEO, Ji-Cheol SHIN, Heung-Woo CHOI, Wan-Pyo HONG, Sang-Duk SUH, Joo-Yong YOON, Sung-Kil HONG
  • Publication number: 20180006243
    Abstract: An embodiment of the present invention provides an organic compound represented by following Formula: wherein each of X1 to X5 is independently selected from a carbon atom (C) or a nitrogen atom (N), and at least two or three of X1 to X5 are N, wherein each of R1 and R2 is independently selected from a substituted or non-substituted aryl group or a substituted or non-substituted heteroaryl group, and “a” is an integer between zero (0) to 3, and wherein each of L1 and L2 is independently selected from a substituted or non-substituted arylene group or a substituted or non-substituted heteroarylene group, and “b” is zero (0) or 1. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Application
    Filed: June 30, 2017
    Publication date: January 4, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seon-Keun YOO, Sung-Hoon JOO, Seung-Hee YOON, Ji-Cheol SHIN
  • Publication number: 20170346012
    Abstract: The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1. This organic compound has the advantages in the thermal stability, the emission property, the color purity, the hole transport property and the hole movement property, and thus the lifetime, the emission efficiency and the emission property of the LED using the same are improved.
    Type: Application
    Filed: May 26, 2017
    Publication date: November 30, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ki-Dong KOO, Jung-Keun KIM, Do-Han KIM, Jeong-Dae SEO, Seon-Keun YOO, Seung-Hee YOON, Ji-Cheol SHIN