Patents by Inventor Shigeaki Funyuu

Shigeaki Funyuu 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).

  • Publication number: 20180145257
    Abstract: Provided are: an organic electronic material which can be easily multilayered and that can be used in substrates, such as resin, that cannot be processed at high temperatures; an ink composition containing the same; an organic thin film formed using said organic electronic material or said ink composition; and an organic electronic element and an organic EL element that are formed using said organic thin film and that have a superior luminous efficacy and emission lifespan than conventional elements. Specifically, provided are: an organic electronic material that is characterized by containing an oligomer or a polymer having a structure that branches into three or more directions and has at least one polymerizable substituent; an ink composition containing said organic electronic material; and an organic thin film prepared using the aforementioned organic electronic material. Further, provided are an organic electronic element and an organic electroluminescent element containing said organic thin film.
    Type: Application
    Filed: January 18, 2018
    Publication date: May 24, 2018
    Inventors: Shigeaki Funyuu, Kenichi Ishitsuka, Yousuke Hoshi
  • Patent number: 9929346
    Abstract: Provided are: an organic electronic material which can be easily multilayered and that can be used in substrates, such as resin, that cannot be processed at high temperatures; an ink composition containing the same; an organic thin film formed using said organic electronic material or said ink composition; and an organic electronic element and an organic EL element that are formed using said organic thin film and that have a superior luminous efficacy and emission lifespan than conventional elements. Specifically, provided are: an organic electronic material that is characterized by containing an oligomer or a polymer having a structure that branches into three or more directions and has at least one polymerizable substituent; an ink composition containing said organic electronic material; and an organic thin film prepared using the aforementioned organic electronic material. Further, provided are an organic electronic element and an organic electroluminescent element containing said organic thin film.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: March 27, 2018
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Kenichi Ishitsuka, Yousuke Hoshi
  • Publication number: 20170309824
    Abstract: Provided is an organic electronic material which is excellent in storage stability in the case as an ink composition, and able to prepare, at a high yield, an organic electronic element capable of reducing the driving voltage and of being driven stably for a long period of time, and an ink composition including the organic electronic material. The organic electronic material is characterized in that it contains at least an ionic compound represented by the following general formula (1), and a compound including a charge transporting unit, and the ink composition including the material. [In the general formula (1), Ra to Rc each independently represent a hydrogen atom (H), an alkyl group, or a benzyl group, and N is not bonded to an aryl group. A represents an anion.
    Type: Application
    Filed: July 13, 2017
    Publication date: October 26, 2017
    Inventors: Shigeaki FUNYUU, Naoki ASANO, Kenichi ISHITSUKA
  • Patent number: 9748488
    Abstract: Provided is an organic electronic material which is excellent in storage stability in the case as an ink composition, and able to prepare, at a high yield, an organic electronic element capable of reducing the driving voltage and of being driven stably for a long period of time, and an ink composition including the organic electronic material. The organic electronic material is characterized in that it contains at least an ionic compound represented by the following general formula (1), and a compound including a charge transporting unit, and the ink composition including the material. [In the general formula (1), Ra to Rc each independently represent a hydrogen atom (H), an alkyl group, or a benzyl group, and N is not bonded to an aryl group. A represents an anion.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: August 29, 2017
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Naoki Asano, Kenichi Ishitsuka
  • Patent number: 9583714
    Abstract: Provided is a material for organic electronics which can produce an organic electronic element capable of lowering the driving voltage or capable of performing stable driving for a long time. The material for organic electronics contains at least an ionic compound and a compound having a charge transporting unit (hereinafter, referred to as charge transporting compound), and the ionic compound is composed of a counter cation and a counter anion, while the counter cation is any one kind or two or more kinds selected from H+, a carbocation, a nitrogen cation, an oxygen cation, and a cation having a transition metal.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: February 28, 2017
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Kenichi Ishitsuka, Yousuke Hoshi
  • Publication number: 20170044308
    Abstract: An embodiment of the present invention relates to a polymer or oligomer (A) containing a structural unit with hole transport properties, and also containing at least one type of organic group selected from the group consisting of groups having an ester linkage, groups having a carbonyl linkage, groups having an amide linkage, and groups having an imide linkage.
    Type: Application
    Filed: February 12, 2015
    Publication date: February 16, 2017
    Inventors: Shigeaki FUNYUU, Iori FUKUSHIMA, Kenichi ISHITSUKA, Naoki ASANO, Daisuke RYUZAKI
  • Patent number: 9537101
    Abstract: An embodiment of the present invention relates to a composition containing a polymer oroligomer (A) having a repeating unit with hole transport properties and also having a thienylgroup which may have a substituent, and an initiator (B), wherein the solubility of the composition is capable of being changed by applying heat, light, or both heat and light.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: January 3, 2017
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Naoki Asano, Kenichi Ishitsuka
  • Patent number: 9496509
    Abstract: Provided is an organic electronic material which is excellent in curability at low temperatures in the case as an ink composition, and able to prepare an organic electronic element capable of reducing the driving voltage and of being driven stably for a long time. The organic electronic material is characterized by containing at least an ionic compound represented by the following general formula (1), and a compound including a charge transporting unit. [In the general formula (1), Ar represents an aryl group or a heteroaryl group, Ra to Rb each independently represent a hydrogen atom (H), an alkyl group, a benzyl group, an aryl group, or a heteroaryl group, and Ar, Ra and Rb may be linked to each other to form a ring. However, at least one of Ra to Rb is any of a hydrogen atom, an alkyl group, and a benzyl group. A represents an anion.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: November 15, 2016
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Naoki Asano, Kenichi Ishitsuka
  • Publication number: 20160218290
    Abstract: Provided is an organic electronic material which is excellent in storage stability in the case as an ink composition, and able to prepare, at a high yield, an organic electronic element capable of reducing the driving voltage and of being driven stably for a long period of time, and an ink composition including the organic electronic material. The organic electronic material is characterized in that it contains at least an ionic compound represented by the following general formula (1), and a compound including a charge transporting unit, and the ink composition including the material. [In the general formula (1), Ra to Rc each independently represent a hydrogen atom (H), an alkyl group, or a benzyl group, and N is not bonded to an aryl group. A represents an anion.
    Type: Application
    Filed: April 6, 2016
    Publication date: July 28, 2016
    Inventors: Shigeaki FUNYUU, Naoki ASANO, Kenichi ISHITSUKA
  • Patent number: 9337429
    Abstract: Provided is an organic electronic material which is excellent in storage stability in the case as an ink composition, and able to prepare, at a high yield, an organic electronic element capable of reducing the driving voltage and of being driven stably for a long period of time, and an ink composition including the organic electronic material. The organic electronic material is characterized in that it contains at least an ionic compound represented by the following general formula (1), and a compound including a charge transporting unit, and the ink composition including the material. In the general formula (1), Ra to Rc each independently represent a hydrogen atom (H), an alkyl group, or a benzyl group. A represents an anion.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: May 10, 2016
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Naoki Asano, Kenichi Ishitsuka
  • Publication number: 20160111647
    Abstract: An embodiment of the present invention relates to a composition containing a polymer oroligomer (A) having a repeating unit with hole transport properties and also having a thienylgroup which may have a substituent, and an initiator (B), wherein the solubility of the composition is capable of being changed by applying heat, light, or both heat and light.
    Type: Application
    Filed: December 17, 2015
    Publication date: April 21, 2016
    Inventors: Shigeaki FUNYUU, Naoki ASANO, Kenichi ISHITSUKA
  • Patent number: 9252376
    Abstract: An embodiment of the present invention relates to a composition containing a polymer or oligomer (A) having a repeating unit with hole transport properties and also having a thienyl group which may have a substituent, and an initiator (B), wherein the solubility of the composition is capable of being changed by applying heat, light, or both heat and light.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: February 2, 2016
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Naoki Asano, Kenichi Ishitsuka
  • Publication number: 20160020395
    Abstract: An embodiment of the present invention relates to a treatment liquid which contains an ionic compound and a solvent, and is used for adhering the ionic compound to at least one surface selected from the group consisting of a surface on which a layer having hole transport properties is to be formed, and a surface of a layer having hole transport properties.
    Type: Application
    Filed: March 6, 2014
    Publication date: January 21, 2016
    Inventors: Shigeaki FUNYUU, Naoki ASANO, Kenichi ISHITSUKA
  • Publication number: 20150263288
    Abstract: Provided are: an organic electronic material which can be easily multilayered and that can be used in substrates, such as resin, that cannot be processed at high temperatures; an ink composition containing the same; an organic thin film formed using said organic electronic material or said ink composition; and an organic electronic element and an organic EL element that are formed using said organic thin film and that have a superior luminous efficacy and emission lifespan than conventional elements. Specifically, provided are: an organic electronic material that is characterized by containing an oligomer or a polymer having a structure that branches into three or more directions and has at least one polymerizable substituent; an ink composition containing said organic electronic material; and an organic thin film prepared using the aforementioned organic electronic material. Further, provided are an organic electronic element and an organic electroluminescent element containing said organic thin film.
    Type: Application
    Filed: May 28, 2015
    Publication date: September 17, 2015
    Inventors: Shigeaki Funyuu, Kenichi Ishitsuka, Yousuke Hoshi
  • Patent number: 9051246
    Abstract: A compound represented by a formula 1 shown below. In the formula 1, each of R1 and R2 independently represents a group selected from the group consisting of a hydrogen atom and substituents composed of C, H and/or X (wherein X represents a hetero atom), and each of Z1 and Z2 independently represents a group selected from the group consisting of aromatic substituents composed of C and H, aromatic substituents composed of C, H and X (wherein X represents a hetero atom), groups containing an aromatic ring and a double-bonded and/or triple-bonded conjugated structure composed of C and H, and groups containing an aromatic ring and a double-bonded and/or triple-bonded conjugated structure composed of C, H and/or X (wherein X represents a hetero atom).
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: June 9, 2015
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Kenichi Ishitsuka, Hideo Nakako, Sentaro Okamoto
  • Publication number: 20140332791
    Abstract: Provided is an organic electronic material which is excellent in storage stability in the case as an ink composition, and able to prepare, at a high yield, an organic electronic element capable of reducing the driving voltage and of being driven stably for a long period of time, and an ink composition including the organic electronic material. The organic electronic material is characterized in that it contains at least an ionic compound represented by the following general formula (1), and a compound including a charge transporting unit, and the ink composition including the material. [In the general formula (1), Ra to Rc each independently represent a hydrogen atom (H), an alkyl group, or a benzyl group, and N is not bonded to an aryl group. A represents an anion.
    Type: Application
    Filed: November 29, 2012
    Publication date: November 13, 2014
    Inventors: Shigeaki Funyuu, Naoki Asano, Kenichi Ishitsuka
  • Publication number: 20140335375
    Abstract: Provided is an organic electronic material which is excellent in curability at low temperatures in the case as an ink composition, and able to prepare an organic electronic element capable of reducing the driving voltage and of being driven stably for a long time. The organic electronic material is characterized by containing at least an ionic compound represented by the following general formula (1), and a compound including a charge transporting unit. [In the general formula (1), Ar represents an aryl group or a heteroaryl group, Ra to Rb each independently represent a hydrogen atom (H), an alkyl group, a benzyl group, an aryl group, or a heteroaryl group, and Ar, Ra and Rb may be linked to each other to form a ring. However, at least one of Ra to Rb is any of a hydrogen atom, an alkyl group, and a benzyl group. A represents an anion.
    Type: Application
    Filed: November 29, 2012
    Publication date: November 13, 2014
    Inventors: Shigeaki Funyuu, Naoki Asano, Kenichi Ishitsuka
  • Publication number: 20140231791
    Abstract: An embodiment of the present invention relates to a composition containing a polymer or oligomer (A) having a repeating unit with hole transport properties and also having a thienyl group which may have a substituent, and an initiator (B), wherein the solubility of the composition is capable of being changed by applying heat, light, or both heat and light.
    Type: Application
    Filed: September 26, 2012
    Publication date: August 21, 2014
    Applicant: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Naoki Asano, Kenichi Ishitsuka
  • Patent number: 8632892
    Abstract: An object of the present invention is to provide an organic electronic material that can be easily formed into a multilayer structure. A further object of the present invention is to provide an organic electronic device and an organic EL device that exhibit a better emission efficiency and a better emission lifetime than heretofore achieved. In order to achieve these objects, an organic electronic material is provided, the material includes a polymer or oligomer that has at least one polymerizable substituent and a hole-transporting repeat unit.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: January 21, 2014
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Yousuke Hoshi, Shigeaki Funyuu, Yoshii Morishita
  • Publication number: 20130037753
    Abstract: Disclosed is an organic electronic material comprising charge transporting compounds and ionic compounds having electron-accepting properties and high solubility in a solvent. The organic electronic material is characterized by comprising charge transporting compounds and ionic compounds, and in that at least one of the ionic compounds is any one kind of compounds represented by general formulas (1b)-(3b). (In the formulas Y1-Y6 each independently represent a divalent linking group, R1-R6 each independently represent an electron-attracting organic substituent (these structures can further have substituents and hetero-atoms, and R1, R2 and R3, or, R4-R6 can respectively combine and become a ring shape or a polymer shape) and L+ represents a monovalent cation.
    Type: Application
    Filed: April 20, 2011
    Publication date: February 14, 2013
    Applicant: HITACHI CHEMICAL COMPANY, LTD
    Inventors: Kenichi Ishitsuka, Shigeaki Funyuu, Yousuke Hoshi