Patents by Inventor Tadashi Goda
Tadashi Goda 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: 11527743Abstract: According to an embodiment, a method of manufacturing an organic electronic device including a stack including a first electrode layer, one or more functional layers, and a second electrode layer, the one or more functional layers and the second electrode layer being formed in this order on the first electrode layer, comprises: a first layer forming step of forming a first layer 24 among the layers included in the stack; and a second layer forming step of forming a second layer on the first layer by using a coating solution containing a material for the second layer and a solvent with boiling point of 160° C. or more, the second layer being in contact with the first layer. In the first layer forming step, the first layer is formed with a thickness t smaller than a desired thickness such that the first layer has the desired thickness T due to an increase in a thickness of the first layer as the second layer is formed.Type: GrantFiled: October 11, 2018Date of Patent: December 13, 2022Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi Goda
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Publication number: 20200243804Abstract: According to an embodiment, a method of manufacturing an organic electronic device including a stack including a first electrode layer, one or more functional layers, and a second electrode layer, the one or more functional layers and the second electrode layer being formed in this order on the first electrode layer, comprises: a first layer forming step of forming a first layer 24 among the layers included in the stack; and a second layer forming step of forming a second layer on the first layer by using a coating solution containing a material for the second layer and a solvent with boiling point of 160° C. or more, the second layer being in contact with the first layer. In the first layer forming step, the first layer is formed with a thickness t smaller than a desired thickness such that the first layer has the desired thickness T due to an increase in a thickness of the first layer as the second layer is formed.Type: ApplicationFiled: October 11, 2018Publication date: July 30, 2020Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi GODA
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Publication number: 20200020879Abstract: An organic EL element (1) includes a first organic EL part (5) which is disposed on one surface (3a) of a first flat part (4A) and in which at least a first electrode layer (10), a first organic functional layer (12) and a second electrode layer (14) are disposed from the side of the one surface (3a); and a second organic EL part (7) which is disposed on one surface (3a) of a second flat part (4B) and in which at least a third electrode layer (16), a second organic functional layer (18) and a fourth electrode layer (14) are disposed from the side of the one surface (3a), and wherein the first electrode layer (10) and the third electrode layer (16) are not disposed on a connecting part (4C).Type: ApplicationFiled: February 22, 2018Publication date: January 16, 2020Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi GODA
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Patent number: 9356251Abstract: Light-emitting device including a supporting substrate, a partition wall dividing a plurality of EL elements on the supporting substrate, and the EL elements provided in a concave portion that is a space between the partition walls. Each EL element is constituted by a first electrode, a first resistance layer formed by an applying method, a second resistance layer having an electric resistance higher than that of the first resistance layer, a light-emitting layer, and a second electrode in this order so that the first electrode is located near the supporting substrate. The first resistance layer includes a creeping-up portion creeping up to a direction that is away from the supporting substrate and along the surface of the corresponding partition wall; and the second resistance layer is provided by ranging continuously over one EL element to another EL element that are adjacent to each other with the partition wall interposed therebetween.Type: GrantFiled: February 21, 2011Date of Patent: May 31, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi Goda
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Publication number: 20140077189Abstract: An organic light-emitting device comprises an anode; a hole injection layer in contact with the anode; a light-emitting layer over the hole injection layer; and a cathode over the light-emitting layer, wherein the hole injection layer comprises an organic semiconductor material doped with a partially fluorinated fullerene such as C60. The dopant is present in the range of about 0.1-20 wt %, optionally 0.1-5 wt %. The organic semiconductor is preferably a polymer comprising repeat units of formula (I): wherein Ar1 and Ar2 in each occurrence are independently selected from optionally substituted aryl or heteroaryl groups; n is greater than or equal to 1, preferably 1 or 2; R is H or a substituent; any of Ar1, Ar2 and R may be linked by a direct bond or linking group; and x and y are each independently 1, 2 or 3.Type: ApplicationFiled: April 2, 2012Publication date: March 20, 2014Applicants: SUMITOMO CHEMICAL COMPANY LIMITED, CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Thomas Kugler, Richard Wilson, Sarah M. Tyler, Shohgo Yamauchi, Masato Shakutsui, Tadashi Goda, Norihito Ito
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Publication number: 20130059405Abstract: Provided is a method for manufacturing a light-emitting device in which an organic electroluminescent (EL) layer having an intended shape is formed.Type: ApplicationFiled: March 23, 2011Publication date: March 7, 2013Applicant: Sumitomo Chemical, LimitedInventor: Tadashi Goda
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Publication number: 20130052766Abstract: Manufacture of a light-emitting device by selectively removing a thin film that is formed outside a light-emitting region by ink application. The light-emitting device includes a supporting substrate and a plurality of organic electroluminescent (EL) elements (22) that are provided at a light-emitting region defined on the supporting substrate, the element including a first electrode (12), a second electrode, and an organic EL layer provided between the first electrode and the second electrode. The method includes: preparing the supporting substrate that is provided with the first electrode, supplying an ink containing the material of the organic EL layer onto the supporting substrate to form a thin film made of the ink in the light-emitting region and a region outside the light-emitting region on the supporting substrate, making the thin film in the light-emitting region insoluble, removing the thin film outside the light-emitting region by cleaning, and forming the second electrode.Type: ApplicationFiled: March 25, 2011Publication date: February 28, 2013Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi Goda
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Publication number: 20130017641Abstract: Provided is a method for manufacturing a light-emitting device (21) in which formation of an undesired hole in an organic EL layer is suppressed. The method is a method for manufacturing a light-emitting device including a supporting substrate (11), a plurality of partitions (17) extending in a prescribed line direction on the supporting substrate and provided at a prescribed interval in a column direction that is a different direction from the line direction, a first electrode (12), a second electrode (16), an organic electroluminescent (EL) layer, and a plurality of organic EL elements (22) provided in a concave portion (18) that is between the partitions. The method includes a step of supplying an ink including a material to be the organic EL layer to one concave portion a plurality of times by shifting the ink supply position in the column direction to supply the ink to each concave portion along the line direction and solidifying the ink to form the organic EL layer.Type: ApplicationFiled: February 21, 2011Publication date: January 17, 2013Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi Goda
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Publication number: 20130001607Abstract: Light-emitting device including a supporting substrate, a partition wall dividing a plurality of EL elements on the supporting substrate, and the EL elements provided in a concave portion that is a space between the partition walls. Each EL element is constituted by a first electrode, a first resistance layer formed by an applying method, a second resistance layer having an electric resistance higher than that of the first resistance layer, a light-emitting layer, and a second electrode in this order so that the first electrode is located near the supporting substrate. The first resistance layer includes a creeping-up portion creeping up to a direction that is away from the supporting substrate and along the surface of the corresponding partition wall; and the second resistance layer is provided by ranging continuously over one EL element to another EL element that are adjacent to each other with the partition wall interposed therebetween.Type: ApplicationFiled: February 21, 2011Publication date: January 3, 2013Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi Goda
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Publication number: 20120309255Abstract: A method for manufacturing a light-emitting device (1) capable of manufacturing an organic EL element (11) causing less unevenness in light emission is provided using a nozzle printing method. This method is a method for manufacturing a light-emitting device comprising a supporting substrate, a plurality of partitions (3) extending in a line direction on the supporting substrate, and a plurality of organic EL elements provided in a plurality of concave portions (5). The manufacturing method comprises steps of forming one electrode (12), supplying an ink comprising a material to be an organic layer in a liquid columnar pattern to the concave portions and moving the supply position of the ink in one direction or the other direction of the line direction of the partitions from one end to the other end of the line direction, solidifying the ink supplied to the concave portions to form the organic layer, and forming the other electrode.Type: ApplicationFiled: January 31, 2011Publication date: December 6, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi Goda
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Publication number: 20120299033Abstract: To provide a light-emitting device (1) comprising a plurality of organic EL elements (11) having a composition by which an organic EL element in which the film thickness of a common layer is varied according to the type of the organic EL element can be formed with a small number of steps. The light-emitting device comprises a supporting substrate, a plurality of partitions (3) extending in a line direction different from a column direction at a prescribed interval in a prescribed column direction, and a plurality of organic EL elements provided in each space between the partitions adjacent to each other in the column direction at a prescribed interval in the line direction. The organic EL elements are classified into m types of organic EL elements and each of them has a common layer provided commonly to all types of organic EL elements and a pair of electrodes configured to put the common layer therebetween.Type: ApplicationFiled: January 6, 2011Publication date: November 29, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi Goda
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Publication number: 20120282839Abstract: There is provided a method for manufacturing a light emitting device including a plurality of organic EL elements, in which a plurality of rows extending in a row direction different from a predetermined column direction are set at predetermined intervals in the column direction on a plane, and the plurality of organic EL elements are provided in each of the rows at predetermined intervals in the row direction. Each of the plurality of organic EL elements includes a pair of electrodes, and a common layer that is commonly provided for each of the organic EL elements between the electrodes. The method for manufacturing a light emitting device includes a step of forming the common layer. In the step of forming the common layer, the process of applying and forming the common layer is performed (m+1) times at intervals of m row in the column direction to the rows in which the common layer is not formed.Type: ApplicationFiled: November 18, 2010Publication date: November 8, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Masato Shakutsui, Tadashi Goda
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Publication number: 20110175522Abstract: A substrate for patterned application comprises: a substrate body having a patterning area (15A) and a non-patterning area (17A) surrounding the patterning area; a plurality of partitions (15) provided in stripes in the patterning area of the substrate body; and an ink retaining portion provided in the non-patterning area on one side and on the other side of the partitions in their longitudinal direction and being capable of retaining an applied liquid ink.Type: ApplicationFiled: September 10, 2009Publication date: July 21, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tadashi Goda