Patents by Inventor Ju-man SONG

Ju-man SONG 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: 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: 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: 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
  • 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
  • Patent number: 11672172
    Abstract: The present invention relates to a heterocyclic compound containing an aromatic amine group and an organic light-emitting device comprising the same and, more specifically, to a heterocyclic compound and an organic light-emitting device comprising the same, the heterocyclic compound being excellent in brightness and excellent light emission efficiency and being able to exhibit long life and excellent device characteristics when being used as an organic light-emitting material.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: June 6, 2023
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Seok-Bae Park, Hee-Dae Kim, Yu-rim Lee, Sang-Woo Park, Ju-man Song
  • Patent number: 11613774
    Abstract: The present disclosure relates to a quencher having a quenching effect on a fluorescent material exhibiting luminescence characteristics at an excited energy level, and various uses thereof.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: March 28, 2023
    Assignee: SFC Co., Ltd.
    Inventors: Goutam Masanta, Bong-Ki Shin, Ju-man Song, Tea-hee Lee, Jong-Tae Je
  • Patent number: 11597842
    Abstract: The present invention relates to: a labeling dye having excellent fluorescent intensity and photostability; and a kit.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: March 7, 2023
    Assignee: SFC CO., LTD.
    Inventors: Bong-Ki Shin, Tae-Young Kim, Ju-Man Song, Hee-Jung Yang, Jong-Tae Je
  • Publication number: 20220274960
    Abstract: The present invention relates to a quencher exhibiting a quenching effect on a fluorescent material exhibiting a luminescent property at an excited energy level, and various uses thereof.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 1, 2022
    Applicant: SFC CO., LTD.
    Inventors: Tae Young KIM, Goutam MASANTA, Do Min LEE, Ju Man SONG, Jong Tae JE
  • Patent number: 11158811
    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 1, 2015
    Date of Patent: October 26, 2021
    Assignees: Hodogaya Chemical Co., Ltd., SFC Co., Ltd.
    Inventors: Shuichi Hayashi, Naoaki Kabasawa, Daizou Kanda, Shunji Mochizuki, Soon-wook Cha, Sang-woo Park, Ju-man Song, Kyung-seok Jeon
  • 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
  • Publication number: 20200255668
    Abstract: The present invention relates to: a labeling dye having excellent fluorescent intensity and photostability; and a kit.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Applicant: SFC CO., LTD.
    Inventors: Bong-Ki SHIN, Tae-Young KIM, Ju-man SONG, Hee-Jung YANG, Jong-Tae JE
  • Publication number: 20200224257
    Abstract: The present disclosure relates to a quencher having a quenching effect on a fluorescent material exhibiting luminescence characteristics at an excited energy level, and various uses thereof.
    Type: Application
    Filed: December 2, 2019
    Publication date: July 16, 2020
    Applicant: SFC CO., LTD.
    Inventors: Goutam MASANTA, Bong-Ki SHIN, Ju-man SONG, Tea-hee LEE, Jong-Tae JE
  • 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
  • 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: 10473666
    Abstract: The present invention relates to dye compounds represented by Formulae I and II, which are described in the specification. The dye compounds of the present invention have markedly improved quantum yields and emit strong fluorescence compared to existing cyanine dyes. Due to these advantages, the dye compounds of the present invention can find applications in various fields, for example, as probes for various biological systems where optical imaging is required. Particularly, the dye compounds of the present invention can be used as mitotrackers capable of labeling and tracking mitochondria. Therefore, the dye compounds of the present invention can be used to quantitatively image mitochondria in live tissues and cells. Furthermore, the dye compounds of the present invention can be applied as pH probes for measuring the pH of live cells.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: November 12, 2019
    Assignee: SFC CO., LTD.
    Inventors: Ju-man Song, Seon-Gi Min, Seung-Soo Lee, Do-min Lee, Kyung-Hwa Park, Moon-Chan Hwang, Bong-Ki Shin, Jong-Tae Je
  • Publication number: 20180277761
    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: Application
    Filed: November 6, 2015
    Publication date: September 27, 2018
    Applicants: Hodogaya Chemical Co., Ltd., SFC Co., Ltd., SFC Co., Ltd.
    Inventors: Shuichi Hayashi, Naoaki Kabasawa, Soon-wook Cha, Sang- woo Park, Ju- man Song, Kyung- seok Jeon
  • Publication number: 20180203015
    Abstract: The present invention relates to dye compounds represented by Formulae I and II, which are described in the specification. The dye compounds of the present invention have markedly improved quantum yields and emit strong fluorescence compared to existing cyanine dyes. Due to these advantages, the dye compounds of the present invention can find applications in various fields, for example, as probes for various biological systems where optical imaging is required. Particularly, the dye compounds of the present invention can be used as mitotrackers capable of labeling and tracking mitochondria. Therefore, the dye compounds of the present invention can be used to quantitatively image mitochondria in live tissues and cells. Furthermore, the dye compounds of the present invention can be applied as pH probes for measuring the pH of live cells.
    Type: Application
    Filed: July 18, 2016
    Publication date: July 19, 2018
    Inventors: Ju-man SONG, Seon-Gi MIN, Seung-Soo LEE, Do-min LEE, Kyung-Hwa PARK, Moon-Chan HWANG, Bong-Ki SHIN, Jong-Tae JE
  • Publication number: 20180026199
    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: Application
    Filed: January 29, 2016
    Publication date: January 25, 2018
    Inventors: Shuichi Hayashi, Hideyoshi Kitahara, Takeshi Yamamoto, Daizou Kanda, Naoaki Kabasawa, Soon-wook Cha, Sang-woo Park, Ju-man Song, Kyung-seok Jeon
  • Publication number: 20170346015
    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: Application
    Filed: December 1, 2015
    Publication date: November 30, 2017
    Inventors: Shuichi Hayashi, Naoaki Kabasawa, Daizou Kanda, Shunji Mochizuki, Soon-wook Wook Cha, Sang- woo Park, Ju-man Song, Kyung- seok Jeon