Patents by Inventor Se-Jin Lee

Se-Jin 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).

  • Patent number: 12291543
    Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by any one of [Chemical Formula A] to [Chemical Formula C], wherein [Chemical Formula A] to [Chemical Formula C] are as defined in the description.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: May 6, 2025
    Assignee: SFC CO., LTD.
    Inventors: Se-Jin Lee, Bong-Hyang Lee, Taejung Yu, Yeong-Tae Choi, Kyung-Tae Kim
  • Publication number: 20250143181
    Abstract: The present invention relates to an organic compound represented by the following Formula 1, and a high-efficiency and long-lifetime organic light emitting device enabling significantly improved low voltage driving, and having long lifetime, excellent luminous efficiency and the like by employing the same as a light emitting layer host material in the device.
    Type: Application
    Filed: October 28, 2024
    Publication date: May 1, 2025
    Inventors: Hyuk-woo JANG, Si-in KIM, Tae-young KIM, Kyeong-hyeon KIM, Joon-ho KIM, Yeon-jae CHOI, Do-yeong CHOI, Seo-youn PARK, Kyeong-wan KIM, Se-jin LEE
  • Publication number: 20250143171
    Abstract: The present invention relates to an organic compound represented by the following Formula 1, and a high-efficiency and long-lifetime organic light emitting device enabling significantly improved low voltage driving, and having long lifetime, excellent luminous efficiency and the like by employing the same as a light emitting layer host material in the device.
    Type: Application
    Filed: October 28, 2024
    Publication date: May 1, 2025
    Inventors: Yeon-jae CHOI, Si-in KIM, Tae-young KIM, Kyeong-hyeon KIM, Joon-ho KIM, Hyuk-woo JANG, Do-yeong CHOI, Seo-youn PARK, Kyeong-wan KIM, Se-jin LEE
  • Publication number: 20250127037
    Abstract: The present invention relates to an organic light-emitting compound represented by [chemical formula A] or [chemical formula B], which can be used in an organic light-emitting device, and an organic light-emitting device comprising same, wherein [chemical formula A] and [chemical formula B] are the same as described in the detailed description of the invention.
    Type: Application
    Filed: November 24, 2022
    Publication date: April 17, 2025
    Inventors: Kyung-Tae KIM, Se-Jin LEE, Si-In KIM, Seok-Base PARK, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Seung-Soo LEE, Kyeong-Hyeon KIM, Tae-Gyun LEE, Joon-Ho KIM
  • Publication number: 20250074928
    Abstract: The present invention relates to an organic compound represented by the following [Formula 1], and a high-efficiency and long-lifetime organic light emitting device enabling significantly improved low voltage driving and having long lifetime, excellent luminous efficiency and the like by employing the same as a light emitting layer host material in the device.
    Type: Application
    Filed: August 21, 2024
    Publication date: March 6, 2025
    Applicant: SFC CO., LTD.
    Inventors: Kyeong-hyeon KIM, Si-in KIM, Hyuk-woo JANG, Do-yeong CHOI, Seo-youn PARK, Yeon-jae CHOI, Kyeong-wan KIM, Se-jin LEE
  • Publication number: 20250066275
    Abstract: The present invention relates to an anthracene derivative compound having a characteristic structure in which an aryl group is introduced into a skeletal structure in which deuterium-substituted phenyl and anthracene are linked. In addition, the present invention relates to a high-efficiency, long-life organic light-emitting device of which the luminous efficiency and lifetime characteristics are significantly improved by employing a polycyclic compound having a characteristic structure as a dopant for a light-emitting layer while employing said compound as a host for the light-emitting layer.
    Type: Application
    Filed: December 14, 2022
    Publication date: February 27, 2025
    Applicant: SFC CO., LTD.
    Inventors: Se-jin LEE, Si-In KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Kyung-tae KIM, Ji-yung KIM, Seung-soo LEE, Kyeong-hyeon KIM, Tae-gyun LEE, Joon-ho KIM
  • Patent number: 12235472
    Abstract: A display device includes a display panel including a plurality of pixel regions and displaying a picture; and a light path controlling member located on a front surface of the display panel and transmitting the picture output from the display panel, wherein the light path controlling member includes a plurality of separation walls and a plurality of light path portions between the plurality of separation walls, and wherein a period of the light path portion is different from a period of the pixel region.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: February 25, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Se-Jin Lee, Young-Woong Kim, Seung-Soo Yang, Min-Gyu Choi
  • Publication number: 20250063943
    Abstract: The present invention relates to an organic light-emitting device comprising, in a light-emitting layer thereof: a compound represented by [chemical formula A]; and a compound represented by any one of [chemical formula D-6] and [chemical formula D-7], wherein [chemical formula A], [chemical formula D-6], and [chemical formula D-7] are as described in the detailed description of the invention.
    Type: Application
    Filed: November 14, 2022
    Publication date: February 20, 2025
    Inventors: Seok-Bae PARK, Se-Jin LEE, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Yu-Rim LEE, Ji-Yung KIM, Seung-Soo LEE, Kyungtae KIM, Myeong-Jun KIM, Kyeong-Hyeon KIM
  • Publication number: 20250063948
    Abstract: The present invention relates to an organic light-emitting diode in which a light-emitting layer comprises a compound represented by [chemical formula A] as a host and comprises a compound represented by [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] as a dopant, wherein [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] are the same as those described in the detailed description of the invention.
    Type: Application
    Filed: November 25, 2022
    Publication date: February 20, 2025
    Inventors: Kyung-Tae KIM, Se-Jin LEE, Si-In KIM, Seok-Bae PARK, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Seung-Soo LEE, Kyeong-Hyeon KIM, Tae-Gyun LEE, Joon-Ho KIM
  • Patent number: 12219872
    Abstract: The present invention provides various organic electroluminescent elements using a material for a capping layer and a material for a luminous layer, in which the material for a capping layer uses an arylamine material that exhibit excellent stability and durability in the form of a thin film, especially a specific amine compound having a high refractive index and having a high absorbance within a wavelength range from 400 nm to 410 nm in the absorption spectrum at a concentration of 10?5 mol/L; and in which the material for a luminous layer uses a compound containing a heterocyclic compound that has a specific fused ring structure.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: February 4, 2025
    Assignees: Hodogaya Chemical Co., Ltd., SFC CO., LTD.
    Inventors: Yuta Hirayama, Takeshi Yamamoto, Shunji Mochizuki, Shuichi Hayashi, Se-Jin Lee, Oun-Gyu Lee, Bong-Ki Shin
  • Publication number: 20250024698
    Abstract: An object of the present invention is to provide a material for organic EL elements, the material being excellent in hole injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability. Another object of the present invention is to provide an organic EL element having high efficiency, a low driving voltage, and a long lifespan, by combining the aforementioned material with various materials for organic EL elements, the materials being excellent in hole/electron injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability, such that the properties of the individual materials can be effectively exhibited.
    Type: Application
    Filed: August 1, 2022
    Publication date: January 16, 2025
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Junichi IZUMIDA, Sang-Won KO, Bong-Hyang LEE, Jung-Ho RYU, Jin-ho LEE, Kouki KASE, Shuichi HAYASHI, Se-Jin LEE, Tae-Jung YU, Young-Tae CHOI, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM, Bong-Ki SHIN
  • Publication number: 20240431133
    Abstract: The present invention relates to an organic light-emitting device in which a light-emitting layer included in the organic light-emitting device comprises: a compound represented by [chemical formula A]; and a compound represented by any one of [chemical formula D-1] to [chemical formula D-7], wherein [chemical formula A] and [chemical formula D-1] to [chemical formula D-7] are as set forth in the detailed description of the invention.
    Type: Application
    Filed: November 15, 2022
    Publication date: December 26, 2024
    Inventors: Seok-Bae PARK, Se-Jin LEE, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Yu-Rim LEE, Ji-Yung KIM, Seung-Soo LEE, Kyungtae KIM, Myeong-Jun KIM, Kyeong-Hyeon KIM
  • Publication number: 20240407254
    Abstract: Disclosed is an organic compound represented by Formula 1: Also disclosed is an organic light emitting device including a light emitting layer employing the organic compound as a host. The use of the organic compound enables low voltage driving of the organic light emitting device and ensures significantly long lifetime and improved luminous efficiency of the device.
    Type: Application
    Filed: May 16, 2024
    Publication date: December 5, 2024
    Applicant: SFC CO., LTD.
    Inventors: Ji-yung KIM, Si-in KIM, Kyeong-hyeon KIM, Hyuk-woo JANG, Do-yeong CHOI, Seo-youn PARK, Yeon-jae CHOI, Kyeong-wan KIM, Se-jin LEE
  • Publication number: 20240389457
    Abstract: Organic compounds represented by Formulas 1 and 2 are disclosed: Also disclosed is an organic light emitting device including a light emitting layer employing the organic compounds as host materials. The use of the organic compounds enables low voltage driving of the organic light emitting device and ensures significantly long lifetime and improved luminous efficiency of the device.
    Type: Application
    Filed: May 16, 2024
    Publication date: November 21, 2024
    Applicant: SFC CO., LTD.
    Inventors: Ji-yung KIM, Si-in KIM, Kyeong-hyeon KIM, Hyuk-woo JANG, Do-yeong CHOI, Seo-youn PARK, Yeon-jae CHOI, Kyeong-wan KIM, Se-jin LEE
  • Publication number: 20240320784
    Abstract: A method of compensating a display device includes: displaying a first display image of a calibration pattern; generating a first photograph image of the calibration pattern by capturing the first display image; generating a measurement representative position data corresponding to the calibration pattern by measuring the first photograph image; generating a third-order fitting representative position data by performing a two-dimensional third-order fitting; displaying a second display image of a full white display; generating a second photograph image of the full white display by capturing the second display image; generating a first crop image by performing a size adjustment based on the third-order fitting representative position data; calculating a luminance compensation value by comparing a measured luminance of the first crop image with a target luminance; and generating a compensated image data by applying the luminance compensation value to an image data.
    Type: Application
    Filed: June 3, 2024
    Publication date: September 26, 2024
    Inventors: Min-Gyu Choi, Se-Jin Lee, Dong-Hyeok Kim
  • Publication number: 20240306505
    Abstract: The present invention relates to a high-efficiency organic light-emitting device having excellent light-emitting characteristics in light-emitting efficiency, etc. by employing an anthracene derivative compound having a characteristic structure as a host in a light-emitting layer. By using the high-efficiency organic light-emitting device, according to the present invention, the organic light-emitting device can be utilized for various display devices such as flat panel, flexible, and wearable displays as well as a lighting device.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 12, 2024
    Inventors: Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20240279196
    Abstract: Disclosed is an organic compound represented by any one of Chemical Formulas A to E and an organic light-emitting diode including the same. Chemical Formulas A to E are as described in the specification.
    Type: Application
    Filed: April 1, 2024
    Publication date: August 22, 2024
    Inventors: Yeong-Tae CHOI, Se-Jin LEE, Seok-Bae PARK, Taejung YU, Byung-Sun YANG, Dajung LEE
  • Publication number: 20240270709
    Abstract: The present invention relates to a novel heterocyclic compound which can be used for an organic light-emitting device, and an organic light-emitting device comprising same, wherein [Chemical Formula A] above is as set forth in the detailed description of the invention.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 15, 2024
    Inventors: Si-In KIM, Se-Jin LEE, Seok-Bae PARK, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Ying KIM, Kyungtae KIM, Myeong-Jun KIM, Kyeong-Hyeon KIM, Seung-Soo LEE, Tae Gyun LEE, Joon-Ho KIM
  • Patent number: 12039691
    Abstract: A method of compensating a display device includes: displaying a first display image of a calibration pattern; generating a first photograph image of the calibration pattern by capturing the first display image; generating a measurement representative position data corresponding to the calibration pattern by measuring the first photograph image; generating a third-order fitting representative position data by performing a two-dimensional third-order fitting; displaying a second display image of a full white display; generating a second photograph image of the full white display by capturing the second display image; generating a first crop image by performing a size adjustment based on the third-order fitting representative position data; calculating a luminance compensation value by comparing a measured luminance of the first crop image with a target luminance; and generating a compensated image data by applying the luminance compensation value to an image data.
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: July 16, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Min-Gyu Choi, Se-Jin Lee, Dong-Hyeok Kim
  • Patent number: 12030900
    Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by [Chemical Formula A] or [Chemical Formula B], wherein [Chemical Formula A] and [Chemical Formula B] are as defined in the description.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: July 9, 2024
    Assignee: SFC CO., LTD.
    Inventors: Se-Jin Lee, Bong-Hyang Lee, Taejung Yu, Yeong-Tae Choi, Kyung-Tae Kim