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).
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Patent number: 12114562Abstract: Disclosed herein are an anthracene derivative represented by [Chemical Formula A] and an organic light-emitting diode comprising same. In [Chemical Formula A], the substituents R1 to R5, R, R11 to R18, L1, and n are as defined in the description.Type: GrantFiled: January 14, 2020Date of Patent: October 8, 2024Assignee: SFC CO., LTD.Inventors: Soon-Wook Cha, Yoona Shin, Jung-Ho Yoo, Sung Woo Kim, Jiwon Lee, Seok-Bae Park, Hee-Dae Kim, Yu-Rim Lee, Dong Myung Park, Seongeun Woo
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Publication number: 20240260468Abstract: An organic electroluminescent device including a first electrode, a second electrode, and an organic layer formed between the first electrode and the second electrode. The organic layer includes a light emitting layer formed using a solution containing an organic electroluminescent material and a solvent. The organic electroluminescent material includes a host and a dopant, and the host is one or more compounds represented by [Formula A] below.Type: ApplicationFiled: December 19, 2023Publication date: August 1, 2024Inventors: Soon Wook Cha, Ji Won Lee, Tae Jung Yu, Yong Woon Yang
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Publication number: 20240237384Abstract: An organic electroluminescent device including a first electrode, a second electrode, and an organic layer formed between the first electrode and the second electrode. The organic layer includes a light emitting layer formed using a solution containing an organic electroluminescent material and a solvent. The organic electroluminescent material includes a host and a dopant, and the host is one or more compounds represented by [Formula A] below.Type: ApplicationFiled: December 19, 2023Publication date: July 11, 2024Inventors: Soon Wook Cha, Ji Won Lee, Tae Jung Yu, Yong Woon Yang
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Publication number: 20240237383Abstract: An organic electroluminescent device including a first electrode, a second electrode, and an organic layer formed between the first electrode and the second electrode. The organic layer includes a light emitting layer formed using a solution containing an organic electroluminescent material and a solvent. The organic electroluminescent material includes a host and a dopant, and the host is one or more compounds represented by [Formula A] below.Type: ApplicationFiled: December 19, 2023Publication date: July 11, 2024Inventors: Soon Wook Cha, Ji Won Lee, Tae Jung Yu, Yong Woon Yang
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Patent number: 12010915Abstract: 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: GrantFiled: September 14, 2017Date of Patent: June 11, 2024Assignee: 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
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Publication number: 20240114772Abstract: An organic electroluminescent device according to the present invention is an organic electroluminescent device comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer is formed using a composition having an organic electroluminescence material and a solvent, the organic electroluminescence material has a host, and the organic electroluminescence device has excellent operation properties such as luminous efficiency and driving voltage by using an organic electroluminescence material having high solubility in a solvent.Type: ApplicationFiled: January 28, 2022Publication date: April 4, 2024Inventors: Soon Wook Cha, Ji Won Lee
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Publication number: 20240114771Abstract: An organic electroluminescent device according to the present invention is an organic electroluminescent device comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer is formed using a composition having an organic electroluminescence material and a solvent, the organic electroluminescence material has a host, and the organic electroluminescence device has excellent operation properties such as luminous efficiency and driving voltage by using an organic electroluminescence material having high solubility in a solvent.Type: ApplicationFiled: January 28, 2022Publication date: April 4, 2024Inventors: Soon Wook Cha, Ji Won Lee
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Publication number: 20240032321Abstract: 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: ApplicationFiled: October 29, 2021Publication date: January 25, 2024Applicants: 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
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Publication number: 20230345817Abstract: 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: ApplicationFiled: August 13, 2021Publication date: October 26, 2023Applicants: 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
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Publication number: 20230276706Abstract: Disclosed herein are pyrene heterocyclic compounds useful for an organic light-emitting diode and an organic light-emitting diode including same. More specifically, compound represented by [Chemical Formula A] or [Chemical Formula B] and an organic light-emitting diode are provided. [Chemical Formula A] and [Chemical Formula B] are as defined in the Description.Type: ApplicationFiled: July 20, 2021Publication date: August 31, 2023Inventors: Soon-wook CHA, Sung-woo KIM, Ji-won LEE, 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
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Patent number: 11723265Abstract: 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: GrantFiled: September 3, 2019Date of Patent: August 8, 2023Assignee: SFC CO., LTD.Inventors: Young-Hwan Park, Soon-Wook Cha, Yoona Shin, Sungeun Choi
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Publication number: 20230247850Abstract: 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: ApplicationFiled: August 2, 2021Publication date: August 3, 2023Applicants: 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
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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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Publication number: 20230180598Abstract: An objective of the present invention is to provide a material for organic EL devices offering excellent hole injectability and transportability, electron blockability, stability in a thin-film state, and durability, and also to provide an organic EL device having high efficiency, low driving voltage and long lifetime by employing, in combination, the aforementioned material and various 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 of the materials can be brought out effectively. The present invention relates to an organic EL device containing a specific arylamine compound as a material constituting a second hole transport layer, wherein the difference between the HOMO level of the second hole transport layer and the HOMO level of a first hole transport layer is 0.15 eV or less.Type: ApplicationFiled: June 16, 2021Publication date: June 8, 2023Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.Inventors: Yuta HIRAYAMA, Takeshi YAMAMOTO, Kouki KASE, Kazuyuki SURUGA, Shuichi HAYASHI, Soon-Wook CHA, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM
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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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Publication number: 20230138055Abstract: The triarylamine compound having a specific structure in the present invention is excellent in hole injection/transport ability, stability and durability of thin film. By selecting the triarylamine compound having a specific structure as the material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining luminescent materials having a specific structure or the like exhibit good device characteristics. The triarylamine compound having a specific structure in the present invention is excellent in hole injection/transport ability, stability and durability of thin film. By selecting the triarylamine compound having a specific structure as the material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining luminescent materials having a specific structure or the like exhibit good device characteristics.Type: ApplicationFiled: February 16, 2021Publication date: May 4, 2023Applicants: Hodogaya Chemical Co., Ltd., SFC Co., Ltd.Inventors: Junichi Izumida, Kouki Kase, Takeshi Yamamoto, Kazuyuki Suruga, Shuichi Hayashi, Norimasa Yokoyama, Soon-wook Cha, Sung-hoon Joo, Byung-sun Yang, Ji-hwan Kim
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Publication number: 20230101400Abstract: An organic electroluminescent element including an anode and a cathode and including, between the anode and the cathode, at least a first hole transport layer, a second hole transport layer, a blue-light-emitting layer, and an electron transport layer disposed in this order from the anode side, in which at least one of the layers disposed between the first hole transport layer and the electron transport layer includes an arylamine compound represented by general formula (1).Type: ApplicationFiled: January 21, 2021Publication date: March 30, 2023Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.Inventors: Junichi IZUMIDA, Takeshi YAMAMOTO, Kouki KASE, Kazuyuki SURUGA, Shuichi HAYASHI, Soon-Wook CHA, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM
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Amine compounds for organic light-emitting diode and organic light-emitting diode including the same
Patent number: 11563181Abstract: Disclosed herein are provided an amine compound represented by the following [Chemical Formula A] or [Chemical Formula B], and an organic light-emitting diode comprising the same. wherein, the ring moieties, A1, A2, Q1, Q2, E, F, L1 to L6, Ar1 to Ar4, p1, p2, r1, r2, s1, s2, x, and y are each as defined in the Specification.Type: GrantFiled: October 26, 2016Date of Patent: January 24, 2023Assignee: SFC CO., LTD.Inventors: Soon-Wook Cha, Yoona Shin, Jea-Geon Lim, Sang-Woo Park, Ji-Hwam Kim, Jung-Ho Yoo, Young-Hwan Park -
Publication number: 20220416165Abstract: The present inventors have focused the fact that an arylamine material having a specific structure is excellent in hole injection/transport ability, thin film stability and durability. The arylamine compound of the above can be selected as a material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining electron transport materials having a specific structure and the like were manufactured, and the characteristics of the devices were evaluated diligently.Type: ApplicationFiled: October 20, 2020Publication date: December 29, 2022Applicants: Hodogaya Chemical Co., Ltd., SFC Co., Ltd.Inventors: Kazuyuki Suruga, Kouki Kase, Takeshi Yamamoto, Shuichi Hayashi, Soon-wook Cha, Sung-hoon Joo, Byung-sun Yang, Ji-hwan Kim
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Patent number: 11532792Abstract: 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: GrantFiled: July 11, 2018Date of Patent: December 20, 2022Assignee: SFC CO., LTD.Inventors: Soon-Wook Cha, Sang-Woo Park, Jung-Ho Yoo, Yoona Shin, Yu-Rim Lee, Sung Woo Kim, Jiwon Lee