Patents by Inventor Soon-wook Cha

Soon-wook Cha 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).

  • Publication number: 20210296590
    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: Application
    Filed: September 14, 2017
    Publication date: September 23, 2021
    Inventors: Soon-Wook CHA, Sang-Woo PARK, Jung-Ho YOO, Ji-Hwan Kim, Sung Woo KIM, Hyeon Jun JO, Young-Hwan PARK
  • Publication number: 20210288266
    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: Application
    Filed: September 14, 2017
    Publication date: September 16, 2021
    Inventors: Soon-Wook CHA, Sang-Woo PARK, Jung-Ho YOO, Ji-Hwan KIM, Sung Woo KIM, Hyeon Jun JO, Young-Hwan PARK
  • Publication number: 20210184136
    Abstract: Disclosed herein is an organic light-emitting diode, comprising: a first electrode, a second electrode opposite the first electrode, and a light-emitting layer and an electron-density-controlling layer in that order between the first electrode and the second electrode, wherein the electron-density-controlling layer includes at least one selected from among compounds represented by Chemical Formulas A to D, and the light-emitting layer includes at least one anthracene compound represented by Chemical Formula H. The electron-density-controlling layer may be disposed between the light-emitting layer and an electron transport layer.
    Type: Application
    Filed: February 25, 2021
    Publication date: June 17, 2021
    Inventors: Soon-Wook Cha, Young-Hwan Park, Seo-Yeon Yoon, So Young Shim
  • Patent number: 10998505
    Abstract: Disclosed herein is an organic light-emitting diode, comprising: a first electrode, a second electrode opposite the first electrode, and a light-emitting layer and an electron-density-controlling layer in that order between the first electrode and the second electrode, wherein the electron-density-controlling layer includes at least one selected from among compounds represented by Chemical Formulas A to D, and the light-emitting layer includes at least one anthracene compound represented by Chemical Formula H. The electron-density-controlling layer may be disposed between the light-emitting layer and an electron transport layer.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: May 4, 2021
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Young-Hwan Park, Seo-Yeon Yoon, So Young Shim
  • Patent number: 10947449
    Abstract: The present invention relates to an organic light-emitting diode exhibiting high efficiency and longevity. The organic light-emitting diode comprises: 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 amine compounds represented by Chemical Formula A or Chemical Formula B and at least one of the compounds represented by Chemical Formulas H1 to H7, Chemical Formulas A, B, and H1 to H7 being the same as in the specification.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: March 16, 2021
    Assignee: SFC CO., LTD.
    Inventors: Hee-Dae Kim, Seok-Bae Park, Yoona Shin, Yu-Rim Lee, Sang-Woo Park, Soon-Wook Cha
  • Patent number: 10950802
    Abstract: The present invention relates to an organic light-emitting diode which can operate at a low voltage and has a long lifespan compound and, more particular, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron transport layer sequentially arranged between the first and the second electrode, wherein the light-emitting layer contains at least one of the amine compounds represented by following Chemical Formula A or Chemical Formula B, and the electron transport layer contains at least one of the compounds represented by the following Chemical Formula E. The structures of Chemical Formulas A, B, and E are as shown in the specification.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: March 16, 2021
    Assignee: SFC CO., LTD.
    Inventors: Young-Hwan Park, Seo-Yeon Yoon, Soon-Wook Cha, Sung-Keun Choi, Si-In Kim
  • Publication number: 20210036233
    Abstract: Disclosed herein is an organic light emitting diode comprising a compound represented by Chemical Formula A or B and an anthracene derivative represented by Chemical Formula H. Here, Chemical Formulas A, B, and H are as described in the specification.
    Type: Application
    Filed: July 19, 2020
    Publication date: February 4, 2021
    Inventors: Sung Hoon Joo, Ji-Hwan Kim, Byung-sun Yang, Hyeon Jun Jo, Sungeun Choi, Su-Jin Kim, Bong-Ki Shin, Soon-Wook Cha, Yoona Shin, Sung woo Kim, Jiwon Lee, Tae Young Kim, Seok-bae Park, Yu-rim Lee, Hee-dae Kim, Seongeun Woo, Dong Myung Park
  • Patent number: 10892420
    Abstract: An organic electroluminescent device having low driving voltage, high luminous efficiency, and a long lifetime is provided by combining various materials for an organic EL device, which are excellent, as materials for an organic electroluminescent device having high efficiency and high durability, in hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state and durability, so as to allow the respective materials to effectively reveal their characteristics. In the organic electroluminescent device having at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole transport layer includes an arylamine compound represented by the following general formula (1), and the light emitting layer includes an amine derivative of the following general formula (2) having a condensed ring structure.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: January 12, 2021
    Assignees: Hodogaya Chemical Co., Ltd., SFC Co., Ltd.
    Inventors: Shuichi Hayashi, Naoaki Kabasawa, Soon-wook Cha, Sang-woo Park, Ju-man Song, Kyung-seok Jeon
  • Patent number: 10797259
    Abstract: Disclosed is an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer interposed therebetween, wherein the light-emitting layer contains at least one selected from among the amine compounds represented by the following Chemical Formula A or Chemical Formula B and the pyrene compound represented by the following Chemical Formula C, plus the anthracene compound represented by the following Chemical Formula D. The structures of Chemical Formulas A to D are as defined in the specification.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: October 6, 2020
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Sang-woo Park, Jung-ho Yoo, Ji-Hwan Kim, Sung woo Kim, Hyeon Jun Jo
  • Patent number: 10693084
    Abstract: The present invention relates to an anthracene derivative selected from among compounds represented by Chemical Formulas A-1, A-2, B-1, and B-2, and an organic light-emitting device including the same. Structures of individual moieties in the anthracene derivative are as defined in the specification.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: June 23, 2020
    Assignee: SFC CO., LTD.
    Inventors: Seok-Bae Park, Hee-Dae Kim, Yoona Shin, Sang-woo Park, Soon-Wook Cha, Young-Hwan Park, Seo-Yeon Yoon, Sung-Wan Pyo
  • Patent number: 10693078
    Abstract: An organic electroluminescent device having high efficiency, low driving voltage and a long lifetime is provided by combining various materials for an organic electroluminescent device, which are excellent, as materials for an organic electroluminescent device having high efficiency and high durability, in hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state and durability, so as to allow the respective materials to effectively reveal their characteristics. In the organic electroluminescent device having at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole transport layer includes an arylamine compound represented by the following general formula (1), and the light emitting layer comprises an amine derivative of the following general formula (2) having a condensed ring structure.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: June 23, 2020
    Assignees: Hodogaya Chemical Co., Ltd., SFC Co., Ltd.
    Inventors: Shuichi Hayashi, Daizou Kanda, Soon-Wook Cha, Sang-Woo Park, Ju-Man Song, Kyung-Seok Jeon
  • Publication number: 20200168803
    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: Application
    Filed: September 3, 2019
    Publication date: May 28, 2020
    Inventors: Young-Hwan PARK, Soon-Wook CHA, Yoona SHIN, Sungeun CHOI
  • Publication number: 20200127209
    Abstract: The present invention relates to an organic light emitting diode comprising: a first electrode; a second electrode facing the first electrode; a hole injecting layer or a hole transport layer, which is interposed between the first electrode and the second electrode; and a light emitting layer, wherein the hole injecting layer or the hole transport layer comprises at least one type of amine compound represented by chemical formula A or chemical formula B, and the chemical formula A and the chemical formula B are the same as those included in the description of the invention.
    Type: Application
    Filed: July 11, 2018
    Publication date: April 23, 2020
    Inventors: Soon-Wook CHA, Sang-Woo PARK, Jung-Ho YOO, Yoona SHIN, Yu-Rim LEE, Sung Woo KIM, Jiwon LEE
  • Patent number: 10562876
    Abstract: The present invention relates to a compound for organic light-emitting diodes that can operate organic light-emitting diodes at a low driving voltage and an organic light-emitting diode comprising the same and, more particularly, to a compound for use as a fluorescent host in organic light-emitting diodes, which can bring about excellent diode properties by operating organic light-emitting diodes at a low driving voltage, and an organic light-emitting diode comprising the same.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: February 18, 2020
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Seok-Bae Park, Sang-woo Park, Yoona Shin, Hee-Dae Kim
  • Patent number: 10566540
    Abstract: An organic electroluminescent device having high luminous efficiency, low driving voltage, and particularly a long lifetime is provided by combining various materials for an organic electroluminescent device, which have excellent hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state, and durability as materials for an organic electroluminescent device having high luminous efficiency and high durability so as to allow the respective materials to effectively reveal their characteristics. In the organic electroluminescent device having at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole transport layer includes an arylamine compound represented by the following general formula (1), and the light emitting layer includes an amine derivative of the following general formula (2) having a condensed ring structure.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: February 18, 2020
    Assignees: Hodogaya Chemical Co., Ltd., SFC Co. Ltd.
    Inventors: Shuichi Hayashi, Hideyoshi Kitahara, Takeshi Yamamoto, Daizou Kanda, Naoaki Kabasawa, Soon-wook Cha, Sang-woo Park, Ju-man Song, Kyung-seok Jeon
  • Patent number: 10497876
    Abstract: In the organic electroluminescent device having at least an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor. In the formula, Ar1 to Ar4 may be the same or different, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: December 3, 2019
    Assignees: Hodogaya Chemical Co., Ltd., SFC Co., Ltd.
    Inventors: Norimasa Yokoyama, Shuichi Hayashi, Takeshi Yamamoto, Naoaki Kabasawa, Daizou Kanda, Shunji Mochizuki, Soon-wook Cha, Sang-woo Park, Ju-man Song, Kyung-seok Jeon
  • Patent number: 10468603
    Abstract: The present disclosure relates to an organic light-emitting diode having a low driving voltage and long lifespan 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 interposed therebetween, wherein the light-emitting layer contains at least one of the amine compounds represented by the following Chemical Formula A or Chemical Formula B, plus the compound represented by Chemical Formula D. The structures of Chemical Formulas A, B, and D are the same as in the specification.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: November 5, 2019
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Seok-Bae Park, Sang-woo Park, Yoona Shin, Hee-Dae Kim
  • Publication number: 20190067588
    Abstract: The present invention relates to a novel amine compound and an organic light-emitting diode including the same. More particularly, the present disclosure relates to an amine compound that allows for high efficiency and a long lifespan in an organic light-emitting diode if used as an element therein and to an organic light-emitting diode including the same.
    Type: Application
    Filed: February 7, 2017
    Publication date: February 28, 2019
    Inventors: Soon-Wook CHA, Sang-Woo PARK, Yoona SHIN, Jung-Ho YOO, Ji-Hwan KIM, Sung Woo KIM
  • Publication number: 20180351112
    Abstract: Disclosed herein are a compound represented by Chemical Formula A or Chemical Formula B and an organic light-emitting diode comprising the same.
    Type: Application
    Filed: October 26, 2016
    Publication date: December 6, 2018
    Inventors: Soon-Wook CHA, Yoona SHIN, Jea-Geon LIM, Sang-Woo PARK, Ji-Hwan KIM, Jung-Ho YOO, Young-Hwan PARK
  • Publication number: 20180319776
    Abstract: The present disclosure relates to an organic compound represented by Chemical Formula A or B, and an organic light-emitting diode comprising the same.
    Type: Application
    Filed: November 1, 2016
    Publication date: November 8, 2018
    Inventors: Soon-Wook CHA, Jung-Ho YOO, Ji-Hwan KIM, Sang-Woo PARK, Yoona SHIN, Jea-Geon LIM