Patents by Inventor Jeong Dae Seo

Jeong Dae Seo 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: 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
  • Publication number: 20230209859
    Abstract: An organic light emitting diode includes a first emitting part including a first emitting material layer (EML) and a first electron transporting layer (ETL), a second emitting part including a second EML and between the first emitting part and the second electrode, an n-type charge generation layer (CGL) contacting the first ETL and between the first ETL and the second emitting part, and a p-type CGL contacting the n-type CGL and between the n-type CGL and the second emitting part. The first ETL includes a first compound, and the n-type CGL includes a second compound and an n-type dopant. A lowest unoccupied molecular orbital (LUMO) energy level of the first compound can be higher than a LUMO energy level of the second compound.
    Type: Application
    Filed: November 4, 2022
    Publication date: June 29, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Jeong-Dae SEO, Shin-Han KIM, Min-Surk HYUNG, Kyu-Il HAN, Jin-Ho PARK, Seung-Kwang ROH, Sun-Kap KWON
  • Publication number: 20230189640
    Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; a first emitting material layer between the first and second electrodes; and a first intermediate organic layer between the first emitting material layer and the second electrode and including a first organic layer and a second organic layer between the first organic layer and the second electrode, wherein the first organic layer includes a first compound represented by Formula.
    Type: Application
    Filed: November 14, 2022
    Publication date: June 15, 2023
    Applicants: LG DISPLAY CO., LTD., JINWOONG INDUSTRIAL CO., LTD.
    Inventors: Shin-Han KIM, Min-Surk HYUNG, Jeong-Dae SEO, Eun-Been JEONG, So-Hee LEE, Yu-Jeong JANG, Keum-Hee LEE, Moon-Bae KIM, Seok-Ho NA
  • 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: 20220223791
    Abstract: The present disclosure relates to an organic light emitting device. In particular, the present disclosure relates to an organic light emitting diode and an organic light emitting device each of which includes at least one emitting material layer including a boron-based dopant and an anthracene-based host substituted with at least one deuterium, at least one electron blocking layer including an amine-based compound substituted with at least one fused hetero aryl group, and optionally at least one hole blocking layer including an azine-based or a benzimidazole-based compound. The organic light emitting diode and the organic light emitting device has improved luminous efficiency and enhanced luminous lifespan.
    Type: Application
    Filed: November 10, 2021
    Publication date: July 14, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Su-Na CHOI, In-Bum SONG, Jeong-Dae SEO
  • Publication number: 20220216409
    Abstract: The present disclosure relates to an organic light emitting device that includes a substrate, and an organic light emitting diode positioned on the substrate and including a first electrode, a second electrode facing the first electrode, a first emitting material layer including a first dopant of a boron derivative and a first host of an anthracene derivative and positioned between the first and second electrodes, a first electron blocking layer including an electron blocking material and positioned between the first electrode and the first emitting material layer, and a first hole blocking layer including a hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is deuterated.
    Type: Application
    Filed: November 5, 2021
    Publication date: July 7, 2022
    Inventors: Su-Na Choi, In-Bum Song, Jeong-Dae Seo
  • Publication number: 20220216417
    Abstract: The present disclosure relates to an organic light emitting diode comprising a first electrode; a second electrode facing the first electrode; a first emitting part including a first emitting material layer and a hole injection layer and positioned between the first and second electrodes, wherein the hole injection layer includes a first hole injection material and a second hole injection material and is positioned between the first electrode and the first emitting material layer, and wherein the first hole injection material is an indacene derivative, and the second hole injection material includes at least one of fluorene derivatives having different structures.
    Type: Application
    Filed: December 17, 2021
    Publication date: July 7, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ji-Cheol SHIN, Jeong-Dae SEO, Shin-Han Kim, Seon-Keun YOO
  • Publication number: 20220213127
    Abstract: An emitting compound of following and an organic light emitting device includes the flowing emitting compound.
    Type: Application
    Filed: July 29, 2021
    Publication date: July 7, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Su-Na CHOI, In-Bum SONG, Jeong-Dae SEO
  • Publication number: 20220216407
    Abstract: The present disclosure relates to an organic light emitting device that includes a substrate, and an organic light emitting diode positioned on the substrate and including a first electrode, a second electrode facing the first electrode, and a first emitting material layer including a first dopant of a boron derivative and a first host of an anthracene derivative and positioned between the first and second electrodes, wherein the first host is deuterated.
    Type: Application
    Filed: November 3, 2021
    Publication date: July 7, 2022
    Inventors: Su-Na Choi, In-Bum Song, Jeong-Dae Seo
  • Publication number: 20220216408
    Abstract: The present disclosure relates to an organic light emitting device that includes a substrate, and an organic light emitting diode positioned on the substrate and including a first electrode, a second electrode facing the first electrode, and a first emitting material layer including a first dopant of a boron derivative and a first host of an anthracene derivative and positioned between the first and second electrodes, wherein the first host is deuterated.
    Type: Application
    Filed: November 4, 2021
    Publication date: July 7, 2022
    Inventors: Su-Na Choi, In-Bum Song, Jeong-Dae Seo
  • Publication number: 20220216410
    Abstract: The present disclosure relates to an organic light emitting device. In particular, the present disclosure relates to an organic light emitting diode and an organic light emitting device each of which includes at least one emitting material layer comprising a boron-based dopant and an anthracene-based host substituted with at least one deuterium, at least one electron blocking layer including an amine-based compound substituted with at least one spiro aryl group, and optionally at least one hole blocking layer including an azine-based or a benzimidazole-based compound. The organic light emitting diode and the organic light emitting device has improved luminous efficiency and enhanced luminous lifespan.
    Type: Application
    Filed: November 11, 2021
    Publication date: July 7, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Su-Na CHOI, In-Bum SONG, Jeong-Dae SEO
  • Publication number: 20220209123
    Abstract: The present disclosure relates to an emitting compound and organic light emitting device including the same, more specifically, relates to an emitting compound of following and an organic light emitting diode and an organic light emitting device each including the emitting compound.
    Type: Application
    Filed: December 2, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Su-Na CHOI, In-Bum SONG, Jeong-Dae SEO
  • Publication number: 20220204532
    Abstract: The present disclosure relates to an emitting compound and organic light emitting device including the same, and more specifically, relates to an emitting compound of following and an organic light emitting diode and an organic light emitting device each including the emitting compound.
    Type: Application
    Filed: July 13, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Su-Na CHOI, In-Bum SONG, Jeong-Dae SEO
  • Publication number: 20220209119
    Abstract: The present disclosure relates to an organic light emitting device. In particular, the present disclosure relates to an organic light emitting diode and an organic light emitting device each of which includes at least one emitting material layer including a boron-based dopant and an anthracene-based host substituted with at least one deuterium, at least one electron blocking layer including an amine-based compound substituted with at least one polycyclic aryl, and optionally at least one hole blocking layer including an azine-based or a benzimidazole-based compound. The organic light emitting diode and the organic light emitting device has improved luminous efficiency and enhanced luminous lifespan.
    Type: Application
    Filed: November 10, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Su-Na Choi, In-Bum Song, Jeong-Dae Seo
  • Publication number: 20220209130
    Abstract: The present disclosure relates to a luminescent compound, and an organic light emitting diode and organic light emitting device having the compound, more specifically, relates to a luminescent compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the luminescent compound. The OLED and the organic light emitting device including the luminescent compound can improve their luminous efficiency and luminous lifespan.
    Type: Application
    Filed: August 4, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Su-Na CHOI, In-Bum SONG, Jeong-Dae SEO
  • Publication number: 20220209120
    Abstract: The present disclosure relates to an organic light emitting device that includes a substrate; and an organic light emitting diode positioned on the substrate and including a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first dopant of a boron derivative and a first host of an anthracene derivative and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is deuterated.
    Type: Application
    Filed: November 10, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Su-Na CHOI, In-Bum SONG, Jeong-Dae SEO
  • Publication number: 20220209115
    Abstract: An organic light emitting diode and an organic light emitting device including the same are described. The organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a red emitting material layer and a first hole transporting layer and positioned between the first and second electrodes. The red emitting material layer can include a first red host and a red dopant, and the first hole transporting layer can include a hole transporting material and is positioned between the first electrode and the red emitting material layer.
    Type: Application
    Filed: November 9, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Young-Jun YU, Sang-Beom KIM, Jung-Keun KIM, Jeong-Dae SEO, Sung-Hoon KIM, Kwang-Seok DO, Dong-Hun LEE, Won-Bin KIM
  • Publication number: 20220209131
    Abstract: An organic light emitting diode and an organic light emitting device including the same are discussed. The organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a green emitting material layer and positioned between the first and second electrodes. The green emitting material layer can include a first host, a second host and a dopant, wherein at least one of the first host and the second host is deuterated.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 30, 2022
    Applicants: LG DISPLAY CO., LTD., ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Young-Jun YU, Sang-Beom KIM, Do-Han KIM, Jeong-Dae SEO, Chi-Sik KIM, Kyoung-Jin PARK, Soo-Yong LEE, Seung-Hoon YOO
  • Publication number: 20220209118
    Abstract: The present disclosure relates to a luminescent compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the luminescent compound. The OLED and the organic light emitting device including the luminescent compound can improve their luminous efficiency and luminous lifespan.
    Type: Application
    Filed: September 9, 2021
    Publication date: June 30, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Su-Na Choi, In-Bum Song, Jeong-Dae Seo