Patents by Inventor Shuri Sato
Shuri Sato 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: 11925111Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:Type: GrantFiled: October 6, 2021Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yoshimasa Fujita, Shuri Sato, Hiroaki Itoi
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Publication number: 20240074307Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:Type: ApplicationFiled: September 25, 2023Publication date: February 29, 2024Inventors: Yoshimasa FUJITA, Shuri SATO, Hiroaki ITOI
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Publication number: 20220029102Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:Type: ApplicationFiled: October 6, 2021Publication date: January 27, 2022Inventors: Yoshimasa FUJITA, Shuri SATO, Hiroaki ITOI
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Patent number: 11145819Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:Type: GrantFiled: June 19, 2020Date of Patent: October 12, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yoshimasa Fujita, Shuri Sato, Hiroaki Itoi
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Publication number: 20200321531Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:Type: ApplicationFiled: June 19, 2020Publication date: October 8, 2020Inventors: Yoshimasa FUJITA, Shuri SATO, Hiroaki ITOI
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Patent number: 10777751Abstract: A truxene derivative having good layer forming properties during layer formation and an organic electroluminescent device including the same. The truxene derivative may be represented by Formula 1: A layer including the truxene derivative in the organic electroluminescent device may have a decreased number or concentration of convex-concavo () shapes, and performance limitations caused by non-uniformity in each layer of the organic electroluminescent device (for example, short circuiting or uneven light emission due to non-uniformity in an applied electric field) may be thereby prevented or reduced.Type: GrantFiled: August 19, 2016Date of Patent: September 15, 2020Assignee: Samsung Display Co., Ltd.Inventors: Shuri Sato, Shigeyuki Yagi
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Patent number: 10734586Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:Type: GrantFiled: March 2, 2017Date of Patent: August 4, 2020Assignee: Samsung Display Co., Ltd.Inventors: Yoshimasa Fujita, Shuri Sato, Hiroaki Itoi
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Patent number: 10714693Abstract: A polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an example embodiment is represented by the following Formula 1. wherein in Formula 1, Cy1 is carbonyl-containing five- or six-membered and substituted or unsubstituted cyclic hydrocarbon or substituted or unsubstituted heterocycle, and R1 to R4 are each independently a hydrogen atom or a group represented by the following Formula 2 or 3.Type: GrantFiled: March 30, 2017Date of Patent: July 14, 2020Assignees: Samsung Display Co., Ltd., Kyushu University, National University CorporationInventors: Hiromi Nakano, Shuri Sato, Yoshimasa Fujita, Nobutaka Akashi, Takuma Yasuda, JiYoung Lee
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Patent number: 10686139Abstract: A nitrogen-containing compound and an organic electroluminescence device including the same, the nitrogen-containing compound being represented by the following Formula 1:Type: GrantFiled: December 14, 2016Date of Patent: June 16, 2020Assignees: Samsung Display Co., Ltd., Kyushu University, National University CorporationInventors: Hiromi Nakano, Shuri Sato, Yoshimasa Fujita, Nobutaka Akashi, Takuma Yasuda, Inseob Park
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Publication number: 20190067589Abstract: An organic electroluminescence device including a first electrode; a hole transport region on the first electrode; a light emitting layer on the hole transport region; an electron transport region on the light emitting layer; and a second electrode on the electron transport region, wherein the light emitting layer includes a first compound satisfying Formula 1 below and a second compound satisfying Formula 2 below, and the first compound has a full width at half maximum of 60 nm or less: V2>V1??[Formula 1] K1>1.1×K2.Type: ApplicationFiled: August 21, 2018Publication date: February 28, 2019Inventors: Seokgyu YOON, Shuri SATO, Junta FUCHIWAKI, Yoshimasa FUJITA
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Publication number: 20180287090Abstract: A phosphorus-containing compound and an organic electroluminescence device including the same, the phosphorus-containing compound being represented by the following Formula 1:Type: ApplicationFiled: December 12, 2017Publication date: October 4, 2018Inventors: Shuri SATO, Nobutaka AKASHI, Takuma YASUDA, Jiyoung LEE
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Patent number: 10090475Abstract: An organic electroluminescent device including an anode; an emission layer; an anode-side hole transport layer between the anode and the emission layer, the anode-side hole transport layer including an anode-side hole transport material, and being doped with an electron accepting material; an intermediate hole transport material layer between the anode-side hole transport layer and the emission layer, the intermediate hole transport material layer including an intermediate hole transport material; and an emission layer-side hole transport layer between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer, the emission layer-side hole transport layer including an emission layer-side hole transport material represented by the following General Formula (1):Type: GrantFiled: August 27, 2015Date of Patent: October 2, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Shuri Sato, Xiulan Jin
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Publication number: 20180205019Abstract: An organic electroluminescence device including a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the hole transport region includes a first heterocyclic compound including 1 to 3 structures derived from a compound represented by Formula 1 below, and the emission layer includes a second heterocyclic compound including 1 or 2 structures derived from a compound represented by Formula 1.Type: ApplicationFiled: January 3, 2018Publication date: July 19, 2018Inventors: Junta FUCHIWAKI, Ikuo SASAKI, Shuri SATO, Nobutaka AKASHI
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Publication number: 20170352817Abstract: A polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an example embodiment is represented by the following Formula 1. wherein in Formula 1, Cy1 is carbonyl-containing five- or six-membered and substituted or unsubstituted cyclic hydrocarbon or substituted or unsubstituted heterocycle, and R1 to R4 are each independently a hydrogen atom or a group represented by the following Formula 2 or 3.Type: ApplicationFiled: March 30, 2017Publication date: December 7, 2017Inventors: Hiromi NAKANO, Shuri SATO, Yoshimasa FUJITA, Nobutaka AKASHI, Takuma YASUDA, JiYoung LEE
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Publication number: 20170346017Abstract: A nitrogen-containing compound and an organic electroluminescence device including the same, the nitrogen-containing compound being represented by the following Formula 1:Type: ApplicationFiled: December 14, 2016Publication date: November 30, 2017Inventors: Hiromi NAKANO, Shuri SATO, Yoshimasa FUJITA, Nobutaka AKASHI, Takuma YASUDA, Inseob PARK
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Publication number: 20170288147Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:Type: ApplicationFiled: March 2, 2017Publication date: October 5, 2017Inventors: Yoshimasa FUJITA, Shuri SATO, Hiroaki ITOI
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Patent number: 9660202Abstract: An organic electroluminescence (EL) device, including an anode; a cathode; and an emission layer between the anode and the cathode, the emission layer emitting a light via a singlet excited state, a stacking structure of at least three layers having different components being provided between the anode and the emission layer, wherein the stacking structure includes: a first layer including an electron accepting compound having a lowest unoccupied molecular orbital (LUMO) level of about ?9.0 eV to about ?4.0 eV; a second layer including a compound represented by the following Formula (1), the second layer being closer to the emission layer than the first layer; and a third layer including a compound represented by the following Formula (2), the third layer being closer to the emission layer than the second layer, wherein the emission layer includes a compound represented by the following Formula (3).Type: GrantFiled: December 24, 2014Date of Patent: May 23, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hiroaki Itoi, Ikuo Sasaki, Shuri Sato
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Patent number: 9640775Abstract: Provided is an organic EL element having a high emission efficiency, a light emission life, and excellent high-temperature preservation stability. This organic electroluminescence element has at least one light-emitting layer between a positive electrode and a negative electrode. The light-emitting layer comprises at least one type of light-emitting dopant and at least three types of non-emitting organic materials represented by general formula (2); of the non-emitting organic materials, the material with the largest molecular weight has a molecular weight of 1,500 or less; and the minimum content of the non-emitting organic materials is 1 mass % or greater.Type: GrantFiled: March 1, 2012Date of Patent: May 2, 2017Assignee: KONICA MINOLTA, INC.Inventors: Satoru Oohisa, Yoshiyuki Suzuri, Shuri Sato
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Publication number: 20170054080Abstract: A truxene derivative having good layer forming properties during layer formation and an organic electroluminescent device including the same. The truxene derivative may be represented by Formula 1: A layer including the truxene derivative in the organic electroluminescent device may have a decreased number or concentration of convex-concavo () shapes, and performance limitations caused by non-uniformity in each layer of the organic electroluminescent device (for example, short circuiting or uneven light emission due to non-uniformity in an applied electric field) may be thereby prevented or reduced.Type: ApplicationFiled: August 19, 2016Publication date: February 23, 2017Inventors: Shuri Sato, Shigeyuki Yagi
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Publication number: 20160141510Abstract: An organic electroluminescent device includes an anode, an emission layer, a first hole transport layer positioned between the anode and the emission layer, and a second hole transport layer positioned between the first hole transport layer and the emission layer, wherein the first hole transport layer includes an electron accepting material, and the second hole transport layer includes a hole transport material represented by the following Formula 1:Type: ApplicationFiled: November 11, 2015Publication date: May 19, 2016Inventors: Ikuo Sasaki, Junta Fuchiwaki, Shuri Sato