Patents Assigned to SFC Co., Ltd.
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Publication number: 20230140927Abstract: An organoelectroluminescent device according to the present invention employs compounds of characteristic structures as a hole transport material and a dopant material in a hole injection layer or a hole transport layer, and in an emissive layer, respectively, and thus can be driven at a low voltage and realize highly efficient emission characteristics with excellent external quantum efficiency. Thus, the organoelectroluminescent device may be industrially advantageously used in a flexible display device, a flexible display device, a single-color or white-color flat lighting device, a single-color or shite-color flexible lighting device, and the like.Type: ApplicationFiled: March 18, 2021Publication date: May 11, 2023Applicant: SFC CO., LTDInventors: So-young SHIM, Se-jin YU, Jin-hwi CHO, Yong-woon YANG
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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: 20230134334Abstract: The present invention relates to an amine compound having a fused ring that can be employed in various organic layers in an organic light-emitting device, and a high-efficiency organic light-emitting device comprising same and having significantly improved luminous efficiency. The amine compound having a fused ring, according to the present invention, makes it possible to implement a high-efficiency organic light-emitting device by being employed as an organic layer in the device, particularly as a hole transport or electron blocking material, and thus can be industrially utilized in a flat panel display device, a flexible display device, a monochromatic or white flat panel lighting device, a monochromatic or white flexible lighting device, a vehicle display device, a virtual or augmented reality display device, and the like.Type: ApplicationFiled: March 11, 2021Publication date: May 4, 2023Applicant: SFC CO., LTDInventors: Chun-young LEE, Yoo-na SHIN, Tae-young KIM, Sung-woo KIM, Ji-won LEE
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Publication number: 20230125146Abstract: The present invention relates to a polycyclic aromatic derivative compound and an organic light-emitting device having high efficiency and long lifespan, the device applying the compound in various organic layers so as to remarkably improve luminous efficiency. According to the invention, an organic light-emitting device having high efficiency and long lifespan and having remarkably improved luminous efficiency can be implemented, and thus can be industrially useful in various display devices and lighting devices.Type: ApplicationFiled: January 21, 2021Publication date: April 27, 2023Applicant: SFC CO., LTDInventors: Sung-hoon JOO, Bong-ki SHIN, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
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Publication number: 20230118826Abstract: Disclosed is an organic light-emitting device with high efficiency and long lifespan that uses an anthracene derivative having a characteristic structure as a host compound in a light-emitting layer of the organic light-emitting device and uses a compound having a characteristic structure as a compound for a hole transport layer.Type: ApplicationFiled: August 4, 2022Publication date: April 20, 2023Applicant: SFC CO., LTDInventors: Jin-hwi CHO, Se-jin YU, So-young SHIM, Yong-woon YANG
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Publication number: 20230111485Abstract: Disclosed is a highly efficient organic light-emitting device that uses an anthracene derivative having a characteristic structure as a host compound in a light-emitting layer of the organic light-emitting device and includes a capping layer formed using a compound having a characteristic structure in the organic light-emitting device.Type: ApplicationFiled: August 4, 2022Publication date: April 13, 2023Applicant: SFC CO., LTDInventors: Jin-hwi CHO, Se-jin YU, So-young SHIM, Yong-woon YANG
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Publication number: 20230110346Abstract: The present invention relates to a polycyclic aromatic derivative compound that can be employed in an organic layer in a device, and an organoelectroluminescent device with high-efficiency and a long-life, including same and having remarkably improved luminous efficiency, and the device employing same can be efficiently utilized in a variety of displays and lighting devices, such as a flat panel display device, a flexible display device, a single color or white flat lighting device, and a single color or white flexible lighting device.Type: ApplicationFiled: January 6, 2021Publication date: April 13, 2023Applicant: SFC CO., LTDInventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
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Publication number: 20230112324Abstract: Disclosed is an organic light-emitting device with high efficiency and long lifespan that uses an anthracene derivative having a characteristic structure as a host compound in a light-emitting layer of the organic light-emitting device and uses a compound having a characteristic structure as a compound for an electron transport layer.Type: ApplicationFiled: August 4, 2022Publication date: April 13, 2023Applicant: SFC CO., LTDInventors: Jin-hwi CHO, Se-jin YU, So-young SHIM, Yong-woon YANG
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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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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: 11605785Abstract: There is provided an organic electroluminescence device, including at least an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in the stated order, the organic electroluminescence device being characterized in that the hole transport layer contains an arylamine compound represented by formula (1), and the light-emitting layer contains a heterocyclic compound having a fused ring structure represented by formula (2) or a heterocyclic compound having a fused ring stricture represented by formula (3), wherein each of formulas (1), (2) and (3) are set forth in the specification.Type: GrantFiled: September 21, 2018Date of Patent: March 14, 2023Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.Inventors: Yuta Hirayama, Takeshi Yamamoto, Kazuyuki Suruga, Se-Jin Lee, Oun-Gyu Lee, Bong-Ki Shin
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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: 20230068684Abstract: Disclosed is a polycyclic compound that can be employed in various organic layers of an organic electroluminescent device. Also disclosed is an organic electroluminescent device including the polycyclic compound. The organic electroluminescent device includes a light emitting layer employing the polycyclic compound as a dopant and an anthracene derivative having a characteristic structure and characteristic substituents as a host. The use of the polycyclic compound significantly improves the color purity, luminous efficiency, and life characteristics of the organic electroluminescent device and makes the organic electroluminescent device highly efficient and long lasting.Type: ApplicationFiled: July 12, 2022Publication date: March 2, 2023Applicant: SFC CO., LTDInventors: Sung-hoon JOO, Bong-ki SHIN, Ji-hwan KIM, Kyung-hwa PARK, Hyeon-jun JO, Seong-eun WOO, Sung-eun CHOI, Soo-kyung KANG
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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: 20230008756Abstract: 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. According to the present invention, it is possible to implement a highly efficient organoelectro luminescent device that can be effectively applied to various display devices.Type: ApplicationFiled: November 2, 2020Publication date: January 12, 2023Applicant: SFC CO., LTDInventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
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Patent number: 11545629Abstract: Disclosed herein is an organic light-emitting diode capable of operating at a low voltage with high efficiency. It 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 comprises at least one of the amine compounds represented by the following Chemical Formula A or B, and the compound represented by the following Chemical Formula C. Chemical Formulas A, B and C are as described in the Specification.Type: GrantFiled: October 26, 2016Date of Patent: January 3, 2023Assignee: SFC CO., LTD.Inventors: Sung-Wan Pyo, So Young Shim, Yun-Ah Lee, Se Jin Yu
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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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Publication number: 20220403233Abstract: The present invention relates to the following polycyclic aromatic derivative organic light emitting compound, and an organic light emitting device employing same as a dopant compound of a device light emitting layer. The organic light emitting device according to the present invention comprises a polycyclic aromatic derivative compound as a dopant compound in a light emitting layer, and also, at the same time, employs, alongside the dopant compound, an anthracene derivative compound having a characteristic structure in the light emitting layer by combining same as a host. Accordingly, the organic light emitting device according to the present invention has excellent color purity, high luminous efficiency, and a remarkably improved long life, and thus can be usefully used in various display devices.Type: ApplicationFiled: July 24, 2020Publication date: December 22, 2022Applicant: SFC CO., LTDInventors: So-young SHIM, Se-jin YU
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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
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Patent number: 11522136Abstract: Disclosed herein is an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and an electron-blocking layer and a light-emitting layer sequentially interposed 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 or B, and the electron-blocking layer comprises the compound represented by the following Chemical Formula C. Chemical Formulas A, B and C are as described in the Specification.Type: GrantFiled: October 26, 2016Date of Patent: December 6, 2022Assignee: SFC CO., LTD.Inventors: Sung-Wan Pyo, So Young Shim, Yun-Ah Lee, Se Jin Yu