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).
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Publication number: 20230332210Abstract: 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: ApplicationFiled: June 20, 2023Publication date: October 19, 2023Applicant: SFC CO., LTD.Inventors: Do Min LEE, Ho Young SI, Jae Hyung JO, Goutam MASANTA, Ju Man SONG, Min Su EUM, Jong Tae JE
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Publication number: 20230332209Abstract: 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: ApplicationFiled: June 9, 2023Publication date: October 19, 2023Applicant: SFC CO., LTD.Inventors: Do Min LEE, Ho Young SI, Jae Hyung JO, Goutam MASANTA, Ju Man SONG, Min Su EUM, Jong Tae JE
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Publication number: 20230313277Abstract: 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: ApplicationFiled: June 9, 2023Publication date: October 5, 2023Applicant: SFC CO., LTD.Inventors: Do Min LEE, Ho Young SI, Jae Hyung JO, Goutam MASANTA, Ju Man SONG, Min Su EUM, Jong Tae JE
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Patent number: 11683980Abstract: 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: GrantFiled: June 10, 2015Date of Patent: June 20, 2023Assignee: SFC CO., LTD.Inventors: Soon-Wook Cha, Ju-man Song, Yu-rim Lee, Sang-Woo Park, Hee-Dae Kim, Seok-Bae Park
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Patent number: 11672172Abstract: 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: GrantFiled: May 7, 2015Date of Patent: June 6, 2023Assignee: SFC CO., LTD.Inventors: Soon-Wook Cha, Seok-Bae Park, Hee-Dae Kim, Yu-rim Lee, Sang-Woo Park, Ju-man Song
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Patent number: 11613774Abstract: 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: GrantFiled: December 2, 2019Date of Patent: March 28, 2023Assignee: SFC Co., Ltd.Inventors: Goutam Masanta, Bong-Ki Shin, Ju-man Song, Tea-hee Lee, Jong-Tae Je
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Patent number: 11597842Abstract: The present invention relates to: a labeling dye having excellent fluorescent intensity and photostability; and a kit.Type: GrantFiled: April 28, 2020Date of Patent: March 7, 2023Assignee: SFC CO., LTD.Inventors: Bong-Ki Shin, Tae-Young Kim, Ju-Man Song, Hee-Jung Yang, Jong-Tae Je
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Publication number: 20220274960Abstract: 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: ApplicationFiled: May 18, 2022Publication date: September 1, 2022Applicant: SFC CO., LTD.Inventors: Tae Young KIM, Goutam MASANTA, Do Min LEE, Ju Man SONG, Jong Tae JE
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Patent number: 11158811Abstract: 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: GrantFiled: December 1, 2015Date of Patent: October 26, 2021Assignees: 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
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Patent number: 10892420Abstract: 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: GrantFiled: November 6, 2015Date of Patent: January 12, 2021Assignees: Hodogaya Chemical Co., Ltd., SFC Co., Ltd.Inventors: Shuichi Hayashi, Naoaki Kabasawa, Soon-wook Cha, Sang-woo Park, Ju-man Song, Kyung-seok Jeon
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Publication number: 20200255668Abstract: The present invention relates to: a labeling dye having excellent fluorescent intensity and photostability; and a kit.Type: ApplicationFiled: April 28, 2020Publication date: August 13, 2020Applicant: SFC CO., LTD.Inventors: Bong-Ki SHIN, Tae-Young KIM, Ju-man SONG, Hee-Jung YANG, Jong-Tae JE
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Publication number: 20200224257Abstract: 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: ApplicationFiled: December 2, 2019Publication date: July 16, 2020Applicant: SFC CO., LTD.Inventors: Goutam MASANTA, Bong-Ki SHIN, Ju-man SONG, Tea-hee LEE, Jong-Tae JE
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Patent number: 10693078Abstract: 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: GrantFiled: July 16, 2015Date of Patent: June 23, 2020Assignees: Hodogaya Chemical Co., Ltd., SFC Co., Ltd.Inventors: Shuichi Hayashi, Daizou Kanda, Soon-Wook Cha, Sang-Woo Park, Ju-Man Song, Kyung-Seok Jeon
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Patent number: 10566540Abstract: 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: GrantFiled: January 29, 2016Date of Patent: February 18, 2020Assignees: 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
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Patent number: 10497876Abstract: 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: GrantFiled: December 16, 2015Date of Patent: December 3, 2019Assignees: 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
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Patent number: 10473666Abstract: 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: GrantFiled: July 18, 2016Date of Patent: November 12, 2019Assignee: 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
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Publication number: 20180277761Abstract: 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: ApplicationFiled: November 6, 2015Publication date: September 27, 2018Applicants: 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
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Publication number: 20180203015Abstract: 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: ApplicationFiled: July 18, 2016Publication date: July 19, 2018Inventors: Ju-man SONG, Seon-Gi MIN, Seung-Soo LEE, Do-min LEE, Kyung-Hwa PARK, Moon-Chan HWANG, Bong-Ki SHIN, Jong-Tae JE
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Publication number: 20180026199Abstract: 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: ApplicationFiled: January 29, 2016Publication date: January 25, 2018Inventors: Shuichi Hayashi, Hideyoshi Kitahara, Takeshi Yamamoto, Daizou Kanda, Naoaki Kabasawa, Soon-wook Cha, Sang-woo Park, Ju-man Song, Kyung-seok Jeon
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Publication number: 20170346015Abstract: 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: ApplicationFiled: December 1, 2015Publication date: November 30, 2017Inventors: Shuichi Hayashi, Naoaki Kabasawa, Daizou Kanda, Shunji Mochizuki, Soon-wook Wook Cha, Sang- woo Park, Ju-man Song, Kyung- seok Jeon