Patents by Inventor Tomoyuki Ariyoshi

Tomoyuki Ariyoshi 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).

  • Patent number: 11063154
    Abstract: The invention allows stable fabrication of a TFT circuit board used in a display device and having thereon an oxide semiconductor TFT. A TFT circuit board includes a TFT that includes an oxide semiconductor. The TFT has a gate insulating film formed on part of the oxide semiconductor and a gate electrode formed on the gate insulating film. A portion of the oxide semiconductor that is covered with the gate electrode 104 and a portion of the oxide semiconductor that is not covered with the gate electrode are both covered with a first interlayer insulating film. The first interlayer insulating film is covered with a first film 106, and the first film is covered with a first AlO film.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: July 13, 2021
    Assignee: Japan Display Inc.
    Inventors: Yohei Yamaguchi, Kazufumi Watabe, Tomoyuki Ariyoshi, Osamu Karikome, Ryohei Takaya
  • Patent number: 10189847
    Abstract: An oxime ester compound represented by general formula (I), wherein R1to R8 are as defined in the description, and n is 0 or 1; a photopolymerization initiator containing the compound; a photosensitive composition, alkali-developable photosensitive resin composition, and colored alkali-developable photosensitive resin composition containing the photopolymerization initiator; and a cured product of these compositions are provided. The compound is useful as a high-sensitivity photopolymerization initiator that has good stability and low sublimability and that efficiently absorbs, and is activated by, near-ultraviolet light, e.g., at 365 nm.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: January 29, 2019
    Assignee: ADEKA CORPORATION
    Inventors: Yoko Komiyama, Takeo Oishi, Tomoyuki Ariyoshi, Tomoya Tamachi, Takayuki Ikaga, Naomi Sato
  • Patent number: 10005851
    Abstract: Provided is an ?-aminoalkylphenone compound that has good stability and low sublimability, efficiently generates radicals when irradiated with a bright line at 365 nm (I line) or the like, and is useful as a polymerization initiator to be used in a radically polymerizable composition. The ?-aminoalkylphenone compound is represented by Formula (I) mentioned below. In Formula (I) mentioned above, it is preferable that R11 is a nitro group, an alkoxy group having 1 to 12 carbon atoms, or an alkoxycarbonyl group having 1 to 12 carbon atoms. The ?-aminoalkylphenone compound can be preferably used in a polymerization initiator.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: June 26, 2018
    Assignee: ADEKA CORPORATION
    Inventors: Yukiko Kanehara, Tomoya Tamachi, Tomoyuki Ariyoshi
  • Patent number: 9947795
    Abstract: According to one embodiment, a thin-film transistor includes a first insulating film, an oxide semiconductor layer provided on the first insulating film and a second insulating film provided on the oxide semiconductor layer, and at least one of the first insulating film and the second insulating film includes a first region in contact with the oxide semiconductor layer and a second region further distant from the oxide semiconductor layer than the first region, and the second region has an argon concentration higher than that of the first region.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: April 17, 2018
    Assignee: Japan Display Inc.
    Inventors: Hajime Watakabe, Tomoyuki Ariyoshi, Akihiro Hanada
  • Publication number: 20180026138
    Abstract: The invention allows stable fabrication of a TFT circuit board used in a display device and having thereon an oxide semiconductor TFT. A TFT circuit board includes a TFT that includes an oxide semiconductor. The TFT has a gate insulating film formed on part of the oxide semiconductor and a gate electrode formed on the gate insulating film. A portion of the oxide semiconductor that is covered with the gate electrode 104 and a portion of the oxide semiconductor that is not covered with the gate electrode are both covered with a first interlayer insulating film. The first interlayer insulating film is covered with a first film 106, and the first film is covered with a first AlO film.
    Type: Application
    Filed: July 13, 2017
    Publication date: January 25, 2018
    Inventors: Yohei YAMAGUCHI, Kazufumi Watabe, Tomoyuki Ariyoshi, Osamu Karikome, Ryohei Takaya
  • Patent number: 9777138
    Abstract: A latent additive which is represented by general formula (1). (In the formula, A represents a five-membered or six-membered aromatic ring or heterocyclic ring; each of R1 and R2 independently represents a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, a nitro group, a carboxyl group, an optionally substituted alkyl group having 1-40 carbon atoms, an aryl group having 6-20 carbon atoms, an arylalkyl group having 7-20 carbon atoms or a heterocyclic ring-containing group having 2-20 carbon atoms; and R4 represents an alkyl group having 1-20 carbon atoms, an alkenyl group having 2-20 carbon atoms, an aryl group having 6-20 carbon atoms, an arylalkyl group having 7-20 carbon atoms, a heterocyclic ring-containing group having 2-20 carbon atoms or a trialkylsilyl group.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: October 3, 2017
    Assignee: ADEKA CORPORATION
    Inventors: Mitsuhiro Okada, Tomoyuki Ariyoshi
  • Publication number: 20170200829
    Abstract: According to one embodiment, a thin-film transistor includes a first insulating film, an oxide semiconductor layer provided on the first insulating film and a second insulating film provided on the oxide semiconductor layer, and at least one of the first insulating film and the second insulating film includes a first region in contact with the oxide semiconductor layer and a second region further distant from the oxide semiconductor layer than the first region, and the second region has an argon concentration higher than that of the first region.
    Type: Application
    Filed: December 22, 2016
    Publication date: July 13, 2017
    Applicant: Japan Display Inc.
    Inventors: Hajime WATAKABE, Tomoyuki ARIYOSHI, Akihiro HANADA
  • Publication number: 20170166575
    Abstract: The present invention provides oxime ester compounds represented by general formula (I), a photopolymerization initiator using said compound, and a photosensitive composition, alkali-developable photosensitive resin composition, and colored alkali-developable photosensitive resin composition containing same, and cured products thereof. The compounds of the present invention have excellent stability and low sublimability, and are useful as highly sensitive photopolymerization initiators that are activated by efficiently absorbing near ultraviolet light of 365 nm, etc. (I) (See the Specification for the definitions of R1-R8 in the formula. n represents 0 or 1.
    Type: Application
    Filed: March 30, 2015
    Publication date: June 15, 2017
    Inventors: Yoko KOMIYAMA, Takeo OISHI, Tomoyuki ARIYOSHI, Tomoya TAMACHI, Takayuki IKAGA, Naomi SATO
  • Publication number: 20170145121
    Abstract: Provided is an ?-aminoalkylphenone compound that has good stability and low sublimability, efficiently generates radicals when irradiated with a bright line at 365 nm (I line) or the like, and is useful as a polymerization initiator to be used in a radically polymerizable composition. The ?-aminoalkylphenone compound is represented by Formula (I) mentioned below. In Formula (I) mentioned above, it is preferable that R11 is a nitro group, an alkoxy group having 1 to 12 carbon atoms, or an alkoxycarbonyl group having 1 to 12 carbon atoms. The ?-aminoalkylphenone compound can be preferably used in a polymerization initiator.
    Type: Application
    Filed: July 24, 2015
    Publication date: May 25, 2017
    Inventors: Yukiko KANEHARA, Tomoya TAMACHI, Tomoyuki ARIYOSHI
  • Patent number: 9337440
    Abstract: An organic luminescent display device according to the invention includes: an element substrate; an organic film; and an organic electro luminescent element formed on the organic film. The organic electro luminescent element includes: an anode formed on the organic film; a light emitting layer formed on the anode; and a cathode formed on the light emitting layer. The anode includes: an adhesion layer formed in contact with an upper surface of the organic film; a reflection layer and formed in contact with an upper surface of the adhesion layer; and a light transmitting contact layer formed on the reflection layer. An edge portion of an outer periphery of the adhesion layer is positioned outside an edge portion of an outer periphery of the reflection layer as viewed in a plan view.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: May 10, 2016
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomoyuki Ariyoshi, Naoki Tokuda, Toshihiro Sato
  • Patent number: 9239408
    Abstract: Disclosed is a colored (alkali-developable) photosensitive composition using a compound that is excellent in solubility and heat-resistance in a resin composition, and also relates to an optical filter using the colored (alkali-developable) photosensitive composition, specifically a color filter that does not decrease luminance and thus is preferable for image display devices such as liquid crystal display panels. Specifically, disclosed is a colored (alkali-developable) photosensitive composition containing (A) a dye that contains at least one kind of compound represented by any of the general formulas (1) to (4), (B) a polymerizable compound having an ethylenically unsaturated bond or (B?) a polymerizable compound having an ethylenically unsaturated bond, which has alkali-developability, and (C) a photopolymerization initiator, and use of the composition. The compound represented by any of the general formulas (1) to (4) is as described.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: January 19, 2016
    Assignee: ADEKA CORPORATION
    Inventors: Yosuke Maeda, Masaaki Shimizu, Koichi Shigeno, Tomoyuki Ariyoshi
  • Publication number: 20150291772
    Abstract: A latent additive represented by general formula (1): wherein A is a 5- or 6-membered aromatic or heterocyclic ring; R1 and R2 are each hydrogen, halogen, cyano, hydroxyl, nitro, carboxyl, optionally substituted C1-C40 alkyl, C6-C20 aryl, C7-C20 arylalkyl, or C2-C20 heterocyclic ring-containing group; and R4 is C1-C20 alkyl, C2-C20 alkenyl, C6-C20 aryl, C7-C20 arylalkyl, C2-C20 heterocyclic ring-containing group, or trialkylsilyl.
    Type: Application
    Filed: June 21, 2013
    Publication date: October 15, 2015
    Inventors: Mitsuhiro Okada, Tomoyuki Ariyoshi
  • Patent number: 9110350
    Abstract: A color conversion filter contains at least one kind of squarylium dye that radiates fluorescence light, has a wavelength conversion capability, absorbs light in an unneeded wavelength region, radiates fluorescence light in a preferable wavelength region, and does not allow decrease in brightness, and thus is preferable for color conversion light-emitting devices, photoelectric conversion devices and the like. Specifically, the color conversion filter has an absorption having a high intensity in the range of 570 to 600 nm, and thus is preferable for use in a color conversion filter that radiates fluorescence light having a high intensity in the range of 600 to 780 nm.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: August 18, 2015
    Assignee: ADEKA CORPORATION
    Inventors: Yosuke Maeda, Koichi Shigeno, Tomoyuki Ariyoshi, Mitsuhiro Okada, Yukiko Kanehara
  • Patent number: 9052623
    Abstract: Provided is a toner binder which combines excellent low-temperature fixing properties and excellent hot-offset resistance (namely which permits a wide fixing-temperature range) and which exhibits excellent storage stability. The toner binder comprises (A) a polyester resin, (B) a specific crystalline resin and, if necessary, (C) a non-crystalline linear polyester resin. The polyester resin (A) comprises a carboxylic acid component (x) and a polyol component (y) as the essential constituent units, said component (x) comprising two or more kinds of dicarboxylic acids (x1) selected from among aromatic dicarboxylic acids and ester-forming derivatives thereof in a total amount of 80 mol % or more and further containing an at least trivalent polycarboxylic acid (x2) as another essential component, and said component (y) comprising a C2-10 aliphatic diol (y1) in an amount of 50 mol % or more. Further, the polyester resin (A) exhibits a storage modulus at 150° C.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: June 9, 2015
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Takashi Akutagawa, Masakazu Iwata, Masaru Honda, Tomoyuki Ariyoshi
  • Publication number: 20140197395
    Abstract: An organic luminescent display device according to the invention includes: an element substrate; an organic film; and an organic electro luminescent element formed on the organic film. The organic electro luminescent element includes: an anode formed on the organic film; a light emitting layer formed on the anode; and a cathode formed on the light emitting layer. The anode includes: an adhesion layer formed in contact with an upper surface of the organic film; a reflection layer and formed in contact with an upper surface of the adhesion layer; and a light transmitting contact layer formed on the reflection layer. An edge portion of an outer periphery of the adhesion layer is positioned outside an edge portion of an outer periphery of the reflection layer as viewed in a plan view.
    Type: Application
    Filed: January 15, 2014
    Publication date: July 17, 2014
    Applicant: Japan Display Inc.
    Inventors: Tomoyuki ARIYOSHI, Naoki TOKUDA, Toshihiro SATO
  • Publication number: 20130306920
    Abstract: Disclosed is a colored (alkali-developable) photosensitive composition using a compound that is excellent in solubility and heat-resistance in a resin composition, and also relates to an optical filter using the colored (alkali-developable) photosensitive composition, specifically a color filter that does not decrease luminance and thus is preferable for image display devices such as liquid crystal display panels. Specifically, disclosed is a colored (alkali-developable) photosensitive composition containing (A) a dye that contains at least one kind of compound represented by any of the general formulas (1) to (4), (B) a polymerizable compound having an ethylenically unsaturated bond or (B?) a polymerizable compound having an ethylenically unsaturated bond, which has alkali-developability, and (C) a photopolymerization initiator, and use of the composition. The compound represented by any of the general formulas (1) to (4) is as described.
    Type: Application
    Filed: January 26, 2012
    Publication date: November 21, 2013
    Applicant: ADEKA CORPORATION
    Inventors: Yosuke Maeda, Masaaki Shimizu, Koichi Shigeno, Tomoyuki Ariyoshi
  • Publication number: 20130273469
    Abstract: Provided is a toner binder which combines excellent low-temperature fixing properties and excellent hot-offset resistance (namely which permits a wide fixing-temperature range) and which exhibits excellent storage stability. The toner binder comprises (A) a polyester resin, (B) a specific crystalline resin and, if necessary, (C) a non-crystalline linear polyester resin. The polyester resin (A) comprises a carboxylic acid component (x) and a polyol component (y) as the essential constituent units, said component (x) comprising two or more kinds of dicarboxylic acids (x1) selected from among aromatic dicarboxylic acids and ester-forming derivatives thereof in a total amount of 80 mol % or more and further containing an at least trivalent polycarboxylic acid (x2) as another essential component, and said component (y) comprising a C2-10 aliphatic diol (y1) in an amount of 50 mol % or more. Further, the polyester resin (A) exhibits a storage modulus at 150° C.
    Type: Application
    Filed: October 6, 2011
    Publication date: October 17, 2013
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Takashi Akutagawa, Masakazu Iwata, Masaru Honda, Tomoyuki Ariyoshi
  • Publication number: 20130147345
    Abstract: A color conversion filter contains at least one kind of squarylium dye that radiates fluorescence light, has a wavelength conversion capability, absorbs light in an unneeded wavelength region, radiates fluorescence light in a preferable wavelength region, and does not allow decrease in brightness, and thus is preferable for color conversion light-emitting devices, photoelectric conversion devices and the like. Specifically, the color conversion filter has an absorption having a high intensity in the range of 570 to 600 nm, and thus is preferable for use in a color conversion filter that radiates fluorescence light having a high intensity in the range of 600 to 780 nm.
    Type: Application
    Filed: August 10, 2011
    Publication date: June 13, 2013
    Applicant: ADEKA CORPORATION
    Inventors: Yosuke Maeda, Koichi Shigeno, Tomoyuki Ariyoshi, Mitsuhiro Okada, Yukiko Kanehara
  • Publication number: 20050200786
    Abstract: A liquid crystal display device is provided with a pair of substrates which are arranged to face each other in an opposed manner and a liquid crystal layer which is sandwiched between main surfaces of a pair of substrates. On the main surface of one of the pair of substrates which faces the liquid crystal layer, pixel regions including switching elements, pixel electrodes which are connected to the switching elements and a protective film which is disposed at liquid crystal layer side of the switching elements are formed. In such a liquid crystal device, the protective film is formed by laminating the plurality of material layers which include at least a first material layer and a second material layer which is arranged closer to the liquid crystal layer side than the first material layer.
    Type: Application
    Filed: May 11, 2005
    Publication date: September 15, 2005
    Inventors: Kunihiko Watanabe, Masahiro Ukisu, Tomoyuki Ariyoshi, Mitsuo Nakatani, Masahiko Suzuki, Hideki Kuriyama, Keiichiro Ashizawa
  • Patent number: 6900853
    Abstract: A liquid crystal display device is provided with a pair of substrates which are arranged to face each other in an opposed manner and a liquid crystal layer which is sandwiched between main surfaces of a pair of substrates. On the main surface of one of the pair of substrates which faces the liquid crystal layer, pixel regions including switching elements, pixel electrodes which are connected to the switching elements and a protective film which is disposed at liquid crystal layer side of the switching elements are formed. In such a liquid crystal device, the protective film is formed by laminating the plurality of material layers which include at least a first material layer and a second material layer which is arranged closer to the liquid crystal layer side than the first material layer.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: May 31, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Kunihiko Watanabe, Masahiro Ukisu, Tomoyuki Ariyoshi, Mitsuo Nakatani, Masahiko Suzuki, Hideki Kuriyama, Keiichiro Ashizawa