Patents Assigned to SFC Co., Ltd.
  • 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
  • Patent number: 12018039
    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], wherein [Chemical Formula A] and [Chemical Formula C] are as defined in the description.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: June 25, 2024
    Assignee: SFC CO., LTD.
    Inventors: Se-Jin Lee, Bong-Hyang Lee, Taejung Yu, Yeong-Tae Choi, Kyung-Tae Kim
  • Patent number: 12010915
    Abstract: The present disclosure relates to an organic light-emitting diode and, more particularly, to an organic-light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer intercalated between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A and at least one of the anthracene compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A to C are the same as in the specification.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: June 11, 2024
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Sang-Woo Park, Jung-Ho Yoo, Ji-Hwan Kim, Sung Woo Kim, Hyeon Jun Jo, Young-Hwan Park
  • Patent number: 11985891
    Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 14, 2024
    Assignee: SFC Co., Ltd.
    Inventors: SungHoon Joo, Ji-Hwan Kim, Byung-sun Yang, Hyeon Jun Jo, Sungeun Choi, Su-jin Kim, Bong-Ki Shin
  • Patent number: 11980092
    Abstract: It is an object of the present invention to provide an organic EL element including a capping layer constituted by two layers consisting of a first capping layer and a second capping layer that has a refractive index that is higher than that of the first capping layer, in order to improve the light extraction efficiency compared with an organic EL element including a capping layer constituted by a single layer. The present invention provides an organic electroluminescent element at least including an anode, a hole transport layer, a light emitting layer, an electron transport layer, a cathode, and a capping layer arranged in this order, wherein the capping layer has a structure constituted by two layers consisting of a first capping layer and a second capping layer, a refractive index of the second capping layer is higher than a refractive index of the first capping layer throughout a wavelength range from 450 to 650 nm, and the second capping layer contains an arylamine compound having a specific structure.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: May 7, 2024
    Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Yuta Hirayama, Shunji Mochizuki, Takeshi Yamamoto, Shuichi Hayashi, Young-hwan Park
  • Patent number: 11974498
    Abstract: Disclosed are a compound for an organic light-emitting device, and an organic light-emitting diode comprising the same and exhibiting high efficiency. More particularly, the compound has a specific structure represented by Chemical Formula A or B and is used as a material for a hole injection layer or a hole transport layer in an organic light-emitting diode to confer high efficiency on the organic light-emitting diode. Chemical Formulas A and B are as defined in the description.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: April 30, 2024
    Assignee: SFC CO., LTD.
    Inventors: Seung-Soo Lee, Tae Gyun Lee, Sang-woo Park
  • Publication number: 20240132940
    Abstract: The present invention relates to a fluorescent reporter capable of labeling nucleic acids including DNA and exhibiting luminescent properties at an excited energy level, and various uses thereof.
    Type: Application
    Filed: September 5, 2023
    Publication date: April 25, 2024
    Applicant: SFC CO., LTD.
    Inventors: Do Min LEE, Ho Young SI, Jae Hyung JO, Goutam MASANTA, Ju Man SONG, Min Su EUM, Jong Tae JE
  • Publication number: 20240122070
    Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.
    Type: Application
    Filed: October 12, 2020
    Publication date: April 11, 2024
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Patent number: 11925110
    Abstract: Disclosed is a polycyclic aromatic compound that can be employed in an organic layer of an organic electroluminescent device. Also disclosed is a highly efficient organic electroluminescent device including the polycyclic aromatic compound. The use of the polycyclic aromatic compound significantly improves the luminous efficiency of the device.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: March 5, 2024
    Assignee: SFC CO., LTD.
    Inventors: Kyeong-hyeon Kim, Se-jin Lee, Yeong-tae Choi, Ji-yung Kim, Kyung-tae Kim, Myeong-jun Kim
  • Publication number: 20240032321
    Abstract: The present invention relates to an organic electroluminescent element (organic EL element) including at least an anode, a first hole transport layer, a second hole transport layer, a blue light-emitting layer, an electron transport layer, and a cathode in this order, in which the second hole transport layer contains an arylamine compound represented by the following general formula (1).
    Type: Application
    Filed: October 29, 2021
    Publication date: January 25, 2024
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Kazuyuki SURUGA, Sang-Won KO, Bong-Hyang LEE, Jung-Ho RYU, Takeshi YAMAMOTO, Junichi IZUMIDA, Soon-Wook CHA, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM, Bong-Ki SHIN
  • Patent number: 11858906
    Abstract: Disclosed herein are a novel amine compound and an organic light-emitting diode of high efficiency including the same and, more particularly, to an amine compound with a specific structure which exhibits high efficiency as a material for a hole transport layer in an organic light-emitting diode, and an organic light-emitting diode including same. Here, Chemical Formulas A and B are as described in the specification.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: January 2, 2024
    Assignee: SFC CO., LTD.
    Inventors: Tae Gyun Lee, Sang-woo Park, Seung-Soo Lee, Jun-young Moon
  • Publication number: 20230345817
    Abstract: An object is to provide a material for an organic EL device having excellent hole injection and transport performance, electron blocking ability, stability in a thin film state, and durability, and further to provide an organic EL device having high efficiency, a low driving voltage, and a long lifetime by combining the material with various materials for an organic EL device having excellent hole and electron injection and transport performance, electron blocking ability, stability in a thin film state, and durability in such a manner that the characteristics of each of the materials can be effectively exhibited. An organic EL device was fabricated by focusing on the fact that a triarylamine compound having a specific structure has excellent hole injection and transport ability, thin film stability, and durability, and selecting a specific arylamine compound as a material for forming a second hole transport layer, and the invention was completed.
    Type: Application
    Filed: August 13, 2021
    Publication date: October 26, 2023
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Junichi IZUMIDA, Sang-Won KO, Bong-Hyang LEE, Jung-Ho RYU, Takeshi YAMAMOTO, Kazuyuki SURUGA, Soon-Wook CHA, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM
  • Publication number: 20230332209
    Abstract: The present invention relates to a quencher having a quenching effect on a fluorescent material exhibiting a luminescent property at an excited energy level, and various uses thereof.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 19, 2023
    Applicant: SFC CO., LTD.
    Inventors: Do Min LEE, Ho Young SI, Jae Hyung JO, Goutam MASANTA, Ju Man SONG, Min Su EUM, Jong Tae JE
  • Publication number: 20230332210
    Abstract: The present invention relates to a fluorescent reporter exhibiting luminescence at an excited energy level as well as labeling a nucleic acid including DNA, and various uses thereof.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Applicant: SFC CO., LTD.
    Inventors: Do Min LEE, Ho Young SI, Jae Hyung JO, Goutam MASANTA, Ju Man SONG, Min Su EUM, Jong Tae JE
  • Publication number: 20230313277
    Abstract: The present invention relates to a quencher which exhibits a quenching effect on a fluorescent material exhibiting luminescence at an excited energy level, and various uses thereof.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 5, 2023
    Applicant: SFC CO., LTD.
    Inventors: Do Min LEE, Ho Young SI, Jae Hyung JO, Goutam MASANTA, Ju Man SONG, Min Su EUM, Jong Tae JE
  • Publication number: 20230287010
    Abstract: A polycyclic aromatic derivative compound according to the present invention is employed in an organic layer in a device, thus being able to implement a high-efficiency organic light-emitting device, and thus can be industrially and effectively used in various display devices such as flexible displays, and illumination apparatuses such as monochromatic or white flat illumination and monochromatic or white flexible illumination.
    Type: Application
    Filed: January 25, 2021
    Publication date: September 14, 2023
    Applicant: SFC CO., LTD
    Inventors: Byung-sun YANG, Sung-hoon JOO, Bong-ki SHIN, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Patent number: 11723265
    Abstract: Disclosed herein is an organic light emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of the anthracene derivatives represented by the following Chemical Formula A and having an orbital energy level of TTA phenomenon-based singlet generation in which the second triplet excited orbital energy level (T2) is higher than two times the lowest triplet excited orbital energy level (T1) (T2>2T1).
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: August 8, 2023
    Assignee: SFC CO., LTD.
    Inventors: Young-Hwan Park, Soon-Wook Cha, Yoona Shin, Sungeun Choi
  • Publication number: 20230247850
    Abstract: An objective of the present invention is to provide an organic EL device having high efficiency, low driving voltage and long lifetime by using a material for organic EL devices offering excellent hole injectability and transportability, electron blockability, stability in a thin-film state, and durability, and also by employing, in combination, the aforementioned material and various other materials for organic EL devices offering excellent hole/electron injectability and transportability, electron blockability, stability in a thin-film state, and durability, in a manner that the properties of each material can be brought out effectively. The present invention relates to an organic electroluminescence device having, between an anode and a cathode, at least a hole transport layer, a light-emitting layer, and an electron transport layer in this order from the anode side, wherein the hole transport layer contains a triarylamine compound having a specific structure.
    Type: Application
    Filed: August 2, 2021
    Publication date: August 3, 2023
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Yuta HIRAYAMA, Takeshi YAMAMOTO, Kouki KASE, Shuichi HAYASHI, Soon-Wook CHA, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM
  • Publication number: 20230232650
    Abstract: An organoelectroluminescent device according to the present invention is capable of low voltage driving, has an excellent external quantum efficiency and exhibits highly efficient light-emitting characteristics by employing compounds having distinct structures, as a hole transport material and a dopant material, in a hole injection layer or a hole transport layer, and a light-emitting layer, respectively, and thus can be industrially utilized in a flat display device, a flexible display device, a monochrome or white flat panel lighting apparatus, a monochrome or white flexible lighting apparatus and the like.
    Type: Application
    Filed: March 19, 2021
    Publication date: July 20, 2023
    Applicant: SFC CO., LTD
    Inventors: Chun-young LEE, Yoo-na SHIN, Tae-young KIM, Sung-woo KIM, Ji-won LEE
  • Patent number: 11683980
    Abstract: The present invention relates to a condensed fluorene derivative comprising a hetero ring, and, more specifically, relates to an intermediate for producing a hetero-ring compound able to exhibit the outstanding element characteristic of a long life and outstanding luminance and light-emission efficiency when used as an organic light-emitting material.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: June 20, 2023
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Ju-man Song, Yu-rim Lee, Sang-Woo Park, Hee-Dae Kim, Seok-Bae Park