Patents by Inventor Yoshiyuki Suzuri
Yoshiyuki Suzuri 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: 11554572Abstract: The present invention addresses the problem of providing a desiccant that can be used for passivation of an electronic device such as an organic electroluminescence element against moisture permeation, as well as an organic thin film including the desiccant, an organic layered film in which the organic thin film is layered, and an electronic device that is provided therewith. This desiccant is characterized by including a compound that emits a hydrophobic substance by absorbing water. This organic thin film is characterized by including this desiccant.Type: GrantFiled: November 9, 2018Date of Patent: January 17, 2023Assignee: KONICA MINOLTA, INC.Inventors: Yukihiro Makishima, Hideo Taka, Hiroshi Kita, Yoshiyuki Suzuri
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Patent number: 11276837Abstract: The present invention addresses the problem of providing a manufacturing method for an electronic device that is provided with an organic thin film functioning as a sealing film against moisture permeation in an electronic device such as an organic electroluminescence element. This manufacturing method for an electronic device is a manufacturing method for an electronic device that has at least an organic functional layer, an elution prevention film, and a sealing film in this order, said manufacturing method being characterized by having: a step in which, after coating is performed with a silicone resin, the result is irradiated with vacuum ultraviolet rays to form the elution prevention film; and a step in which, after the elution prevention film is coated with a liquid mixture of a metal alkoxide and a fluoroalcohol, the result is irradiated with vacuum ultraviolet rays to form the ultraviolet rays to form the sealing film.Type: GrantFiled: November 9, 2018Date of Patent: March 15, 2022Assignee: KONICA MINOLTA, INC.Inventors: Yukihiro Makishima, Hideo Taka, Hiroshi Kita, Yoshiyuki Suzuri, Lina Yoshida
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Publication number: 20200335727Abstract: The present invention addresses the problem of providing a desiccant that can be used for passivation of an electronic device such as an organic electroluminescence element against moisture permeation, as well as an organic thin film including the desiccant, an organic layered film in which the organic thin film is layered, and an electronic device that is provided therewith. This desiccant is characterized by including a compound that emits a hydrophobic substance by absorbing water. This organic thin film is characterized by including this desiccant.Type: ApplicationFiled: November 9, 2018Publication date: October 22, 2020Inventors: Yukihiro MAKISHIMA, Hideo TAKA, Hiroshi KITA, Yoshiyuki SUZURI
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Publication number: 20200266381Abstract: The present invention addresses the problem of providing a manufacturing method for an electronic device that is provided with an organic thin film functioning as a sealing film against moisture permeation in an electronic device such as an organic electroluminescence element. This manufacturing method for an electronic device is a manufacturing method for an electronic device that has at least an organic functional layer, an elution prevention film, and a sealing film in this order, said manufacturing method being characterized by having: a step in which, after coating is performed with a silicone resin, the result is irradiated with vacuum ultraviolet rays to form the elution prevention film; and a step in which, after the elution prevention film is coated with a liquid mixture of a metal alkoxide and a fluoroalcohol, the result is irradiated with vacuum ultraviolet rays to form the ultraviolet rays to form the sealing film.Type: ApplicationFiled: November 9, 2018Publication date: August 20, 2020Inventors: Yukihiro MAKISHIMA, Hideo TAKA, Hiroshi KITA, Yoshiyuki SUZURI, Lina YOSHIDA
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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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Patent number: 9082996Abstract: An organic electroluminescent element containing organic layers sandwiched between an anode and a cathode, wherein the organic layers incorporate an emission layer A containing a host compound A and at least two types of emission dopants, and an emission layer B containing a host compound B and at least one type of emission dopant, provided that at least one of the emission dopants contained in the emission layer A is a phosphorescence-emitting material.Type: GrantFiled: September 1, 2011Date of Patent: July 14, 2015Assignee: KONICA MINOLTA, INC.Inventors: Aki Tsuji, Hiroshi Kita, Yoshiyuki Suzuri
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Patent number: 8703300Abstract: Disclosed is a long-life organic electroluminescent element which can be driven at low voltage. Also disclosed are a display and illuminator using the same. Specifically disclosed is an organic electroluminescent element comprising on a substrate, an anode, a cathode and an organic compound layer arranged between the anode and the cathode and including at least one light emission layer. This organic electroluminescent element is characterized in that the organic compound layer includes an electron transport material-containing layer which contains an electron transport material represented by Formula (a) and at least one substance selected from the group consisting of metals, salts of the metals and electron-donating compounds. Formula (a) Ar1-(Ar2)n [In the formula, Ar1 represents a group derived from an aromatic hydrocarbon ring or a group derived from an aromatic heterocycle; Ar2 represents a group derived from an aromatic heterocycle; and n represents an integer of 2 or more.Type: GrantFiled: March 14, 2006Date of Patent: April 22, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Yoshiyuki Suzuri, Akira Kawakami, Hiroshi Kita
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Patent number: 8647164Abstract: An organic electroluminescent element includes a laminated body incorporating an anode substrate, an anode, at least one non-light emitting organic layer A exhibiting positive hole transportability, at least one light emitting organic layer B, at least one non-light emitting organic layer C exhibiting electron transportability, a cathode, and a cathode substrate in the sequence set forth. At least 80% by weight of the organic layer A and the organic layer C in the laminated body is formed via a wet process, and the laminated body is made with an adhesion process between the organic layer A and the organic layer B, or between the organic layer B and the organic layer C.Type: GrantFiled: May 15, 2012Date of Patent: February 11, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Masato Nishizeki, Yoshiyuki Suzuri
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Publication number: 20140021462Abstract: A method for manufacturing an organic electroluminescent element comprising an anode and a cathode on/over a base, and at least three organic layers between the anode and the cathode, may include forming at least one of the organic layers by a method including applying an application liquid for the organic layer comprising a material for forming the organic layer and a solvent on the anode, the cathode or the organic layer; and heating the organic layer after the applying so as to remove 90% by mass or more of the solvent in the application liquid for the organic layer within two seconds.Type: ApplicationFiled: March 30, 2012Publication date: January 23, 2014Applicant: KONICA MINOLTA, INC.Inventors: Yoshiyuki Suzuri, Shuri Sato, Satoru Oohisa, Kazuo Genda
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Publication number: 20130341612Abstract: 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: ApplicationFiled: March 1, 2012Publication date: December 26, 2013Applicant: KONICA MINOLTA , INC.Inventors: Satoru Oohisa, Yoshiyuki Suzuri, Shuri Sato
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Patent number: 8466612Abstract: An organic electroluminescent element comprising a laminated body incorporating an anode substrate, an anode, at least one non-light emitting organic layer A exhibiting positive hole transportability, at least one light emitting organic layer B, at least one non-light emitting organic layer C exhibiting electron transportability, a cathode, and a cathode substrate in the sequence set forth, wherein at least 80% by weight of the organic layer A and the organic layer C in the laminated body is formed via a wet process, and the laminated body is made with an adhesion process between the organic layer A and the organic layer B, or between the organic layer B and the organic layer C.Type: GrantFiled: April 4, 2006Date of Patent: June 18, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Masato Nishizeki, Yoshiyuki Suzuri
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Patent number: 8304984Abstract: Disclosed is an organic electroluminescent element in which light extraction efficiency is improved without lowering the electrical conductivity or the transporting or blocking performance for electrons or holes in a transparent electrode or an organic layer. The organic electroluminescent element of the invention is characterized in that it comprises a transparent substrate and provided thereon, at least a first electrode section with a light transmission property, an organic light emission layer section and a second electrode section in this order, the first electrode section containing at least metal nanowires, wherein an average refractive index of the first electrode section is lower than that of the organic light emission layer section.Type: GrantFiled: September 15, 2009Date of Patent: November 6, 2012Assignee: Konica Minolta Holdings, Inc.Inventors: Hirokazu Koyama, Yoshiyuki Suzuri
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Publication number: 20120248972Abstract: An organic electroluminescent element includes a laminated body incorporating an anode substrate, an anode, at least one non-light emitting organic layer A exhibiting positive hole transportability, at least one light emitting organic layer B, at least one non-light emitting organic layer C exhibiting electron transportability, a cathode, and a cathode substrate in the sequence set forth. At least 80% by weight of the organic layer A and the organic layer C in the laminated body is formed via a wet process, and the laminated body is made with an adhesion process between the organic layer A and the organic layer B, or between the organic layer B and the organic layer C.Type: ApplicationFiled: May 15, 2012Publication date: October 4, 2012Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Masato NISHIZEKI, Yoshiyuki Suzuri
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Publication number: 20120193619Abstract: An organic EL element having a high productivity and a multi-unit structure is produced by using an organic EL material which can meet the demands of an increased area and high productivity, uses a high-speed process at atmospheric pressure, that is, the non-discharge type coating process, and which has a high process adaptability. An organic electroluminescent element is provided, between a plurality of light-emitting units, with a charge generating layer which generates a hole and an electron by applying an electric field, wherein the charge generating layer comprises one or more layers, at least one layer of which is formed by means of the non-discharge type solution coating process, and the plurality of light-emitting units are formed by means of the non-discharge type solution coating process.Type: ApplicationFiled: October 14, 2010Publication date: August 2, 2012Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Hideo Taka, Yoshiyuki Suzuri, Shinya Otsu, Hidekane Ozeki, Maiko Kondo
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Patent number: 8223178Abstract: The method for driving a light-emitting panel provides a method for driving a light-emitting panel such that, even if there is a defect at a certain place of the light-emitting surface, the whole surface is not turned off and the function as a lighting apparatus or a backlight of or the electronic information device can be maintained by means that only one area including the defect is turned off and the other areas are turned on. The method for driving a light-emitting panel is characterized in that the light-emitting surface is divided into a plurality of areas and each of the areas emits light by time sharing.Type: GrantFiled: December 28, 2005Date of Patent: July 17, 2012Assignee: Konica Minolta Holdings, Inc.Inventors: Keiichi Furukawa, Yoshiyuki Suzuri
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Publication number: 20110309352Abstract: Disclosed is an organic electroluminescent device which is free from color shift while having high efficiency and long life. Also disclosed are a display and illuminating device comprising such an organic electroluminescent device.Type: ApplicationFiled: September 1, 2011Publication date: December 22, 2011Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Aki TSUJI, Hiroshi KITA, Yoshiyuki SUZURI
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Patent number: 8053765Abstract: Disclosed is an organic electroluminescent element containing organic layers sandwiched between an anode and a cathode, wherein the organic layers incorporates an emission layer A containing a host compound A and at least two types of emission dopants, and an emission layer B containing a host compound B and at least one type of emission dopant, provided that at least one of the emission dopants contained in the emission layer A is a phosphorescence-emitting material.Type: GrantFiled: November 7, 2006Date of Patent: November 8, 2011Assignee: Konica Minolta Holdings, Inc.Inventors: Aki Tsuji, Hiroshi Kita, Yoshiyuki Suzuri
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Publication number: 20110260152Abstract: Provided is an organic electroluminescence element comprising an anode, a cathode and at least one light emitting layer sandwiched between the anode and the cathode as a constituting layer, wherein the light emitting layer contains a dopant and a host; crystal grains made of the dopant, the host, or the mixture of the dopant and the host are contained in the light emitting layer; and the crystal grains exhibit an X-ray diffraction peak.Type: ApplicationFiled: January 12, 2010Publication date: October 27, 2011Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Tomoyuki Nakayama, Hiroto Itoh, Yoshiyuki Suzuri
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Publication number: 20110156577Abstract: An organic electroluminescent element wherein the light extraction efficiency is improved without lowering the electrical conductivity or the transporting or blocking performance for electrons or holes in a transparent electrode or an organic layer. The organic electroluminescent element comprises, on a transparent substrate, at least a light-transmitting first electrode part, an organic light-emitting layer part and a second electrode part, in this order from the substrate, and is characterized in that the first electrode part contains at least metal nanowires and that the average refractive index of the first electrode part is lower than the average refractive index of the organic light-emitting layer part.Type: ApplicationFiled: September 15, 2009Publication date: June 30, 2011Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Hirokazu Koyama, Yoshiyuki Suzuri
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Patent number: 7897421Abstract: A method of producing an organic electroluminescent element may include forming a transparent electrode as an anode on a transparent substrate; forming a light emission layer on the transparent substrate having thereon the anode; and forming a cathode on the substrate having thereon the anode and the light emission layer. The light emission layer may be formed by a method including arranging at least one vaporization crucible E evaporating a light emission dopant and at least one vaporization crucible I evaporating a host material and an intermediate layer forming material; and moving the substrate having thereon the anode over the vaporization crucibles E and I to form a light emission layer.Type: GrantFiled: December 15, 2008Date of Patent: March 1, 2011Assignee: Konica Minolta Holdings, Inc.Inventors: Yoshiyuki Suzuri, Hiroshi Kita