Patents by Inventor Mayumi NOJIRI

Mayumi NOJIRI 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: 20200362244
    Abstract: A polymerizable liquid crystal composition used for formation of an optically anisotropic film retaining good reciprocal wavelength dispersibility and having an excellent surface condition, an optically anisotropic film, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (I): L1-SP1-A1-D3-G1-D1-Ar-D2-G2-D4-A2-SP2-L2 and a polymerizable compound represented by Formula (II): L5-SP5-D9-C(?O)-Cy1-Cy2-C(?O)-D7-A5-D8-(A6-D10)n-SP6-L6 and not corresponding to Formula (I).
    Type: Application
    Filed: August 5, 2020
    Publication date: November 19, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Satoshi SHIMAMURA, Aiko YOSHIDA, Keita TAKAHASHI, Ryo SATAKE, Mayumi NOJIRI
  • Publication number: 20200363682
    Abstract: An image display device which suppresses destruction of an image display panel due to static electricity carried by a phase difference film, and has excellent adhesiveness between the phase difference film and the image display panel even in a moisture-heat environment, and a circularly polarizing plate with a photosensitive adhesive. The image display device includes a circularly polarizing plate having a linear polarizer and a phase difference film, and an image display panel in this order from a viewing side, in which the phase difference film and the image display panel are bonded by a pressure-sensitive adhesive, the phase difference film has an optically anisotropic layer obtained by polymerizing a polymerizable liquid crystal composition containing at least one kind of polymerizable liquid crystal compound having a predetermined structure, and the pressure-sensitive adhesive contains a polymer having an acid value of 1 to 30 mgKOH/g and an antistatic agent.
    Type: Application
    Filed: August 7, 2020
    Publication date: November 19, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Mayumi NOJIRI, Satoshi SHIMAMURA, Ryo SATAKE, Aiko YOSHIDA
  • Publication number: 20200174171
    Abstract: The present invention provides an optically anisotropic film exhibiting excellent reciprocal wavelength dispersion, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention is an optically anisotropic film formed from a composition including a liquid crystal compound and an infrared absorbing dye, in which the optically anisotropic film satisfies a relationship of Formula (A): Re(450)/Re(550)<1, and an absorption at a wavelength of 700 to 900 nm in the fast axis direction of the optically anisotropic film is larger than an absorption at a wavelength of 700 to 900 nm in the slow axis direction of the optically anisotropic film. In Formula (A), Re(450) represents an in-plane retardation of the optically anisotropic film at a wavelength of 450 nm and Re(550) represents an in-plane retardation of the optically anisotropic film at a wavelength of 550 nm.
    Type: Application
    Filed: February 4, 2020
    Publication date: June 4, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hideyuki NISHIKAWA, Mayumi NOJIRI, Ryoji GOTO
  • Patent number: 10564338
    Abstract: A polarizing plate, which includes at least a polarizer layer including an iodine-dyed polyvinyl alcohol film, and the polarizing plate including a compound with a bond dissociation energy E1 of less than or equal to 90.0 kcal/mol, a peroxide radical forming energy E2 of less than or equal to 0.0 kcal/mol, and a polyiodide ion I5? forming ability in an iodide compound-containing solution of less than or equal to 1.0.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: February 18, 2020
    Assignee: FUJIFILM CORPORATION
    Inventors: Shino Ohira, Mayumi Nojiri, Naoya Shimoju, Aiko Yoshida, Nobutaka Fukagawa
  • Publication number: 20200013835
    Abstract: The present invention provides an organic electroluminescent display device in which reflection of external light is suppressed and a change in tint in a case of being viewed in an oblique direction is further suppressed, a phase difference film, and a circular polarization plate. This organic electroluminescent display device according to the present invention includes an organic electroluminescence display panel and a circular polarization plate arranged on the organic electroluminescence display panel, in which the circular polarization plate includes a polarizer and a phase difference film, the phase difference film includes a positive A-plate and a positive C-plate, and the positive A-plate and the positive C-plate satisfy prescribed requirements.
    Type: Application
    Filed: September 19, 2019
    Publication date: January 9, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Ayako MURAMATSU, Kunihiro ATSUMI, Ryo SATAKE, Mayumi NOJIRI
  • Patent number: 10457792
    Abstract: A polarizing plate protective film which prevents deterioration of polarization performance in a high temperature, high humidity environment, and a polarizing plate and display device using the film including a compound represented by the following General Formula (I). (X-LnZ??General Formula (I) X represents a formyl group, a boronic acid group, or a group represented by the following General Formula (I-B) or a group represented by the following General Formula (I-C), where L represents a single bond or divalent linking group, and n represents an integer equal to or greater than 2. When n is 2, Z represents a single bond or a divalent group, and when n?3, Z represents an n-valent group. RA and RB represent an alkyl group, a cycloalkyl group, an aryl group, or an acyl group. RA and RB may be bonded to each other to form a ring. * represents a bond to be bonded to L.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: October 29, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Nobutaka Fukagawa, Naoki Sano, Mayumi Nojiri, Aiko Yoshida, Naoya Shimoju
  • Publication number: 20190276742
    Abstract: The present invention has an object to provide a polymerizable liquid crystal composition capable of manufacturing an optically anisotropic film having excellent light fastness; and an optically anisotropic film, an optical film, a polarizing plate, an image display device, and an organic electroluminescent display device, each of which uses the polymerizable liquid crystal composition. The polymerizable liquid crystal composition of an embodiment of the present invention contains a polymerizable liquid crystal compound having reverse-wavelength dispersion properties and an aromatic polyether-based compound.
    Type: Application
    Filed: May 28, 2019
    Publication date: September 12, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Keita TAKAHASHI, Mayumi NOJIRI, Ayako MURAMATSU
  • Publication number: 20190264106
    Abstract: The present invention has an object to provide a polymerizable liquid crystal composition capable of manufacturing an optically anisotropic film having excellent light fastness; and an optically anisotropic film, an optical film, a polarizing plate, an image display device, and an organic electroluminescent display device, each of which uses the polymerizable liquid crystal composition. The polymerizable liquid crystal composition of an embodiment of the present invention contains a polymerizable liquid crystal compound having reverse-wavelength dispersion properties and an ultraviolet absorber represented by Formula (1), in which a maximum absorption wavelength A of the polymerizable liquid crystal compound and a maximum absorption wavelength B of the ultraviolet absorber satisfy Formula (2), and a content of the ultraviolet absorber is 1% to 20% by mass with respect to a content of the polymerizable liquid crystal compound.
    Type: Application
    Filed: May 9, 2019
    Publication date: August 29, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Keita TAKAHASHI, Mayumi NOJIRI, Ayako MURAMATSU
  • Publication number: 20190235316
    Abstract: Provided are a polarizing plate having a polarizing plate protective film having a thickness of 20 ?m or more disposed on both sides or either side of a polarizer through an adhesive layer, in which at least one of the polarizer, the polarizing plate protective film, or the adhesive layer contains one or more dyes having a main absorption wavelength range of 480 to 510 nm or 580 to 610 nm and a liquid crystal display device having this polarizing plate disposed downstream in a light emitting direction of light that is emitted from a backlight unit.
    Type: Application
    Filed: April 3, 2019
    Publication date: August 1, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke SASAKI, Nobutaka FUKAGAWA, Naoyoshi YAMADA, Mayumi NOJIRI
  • Patent number: 10253201
    Abstract: A composition for a polarizing plate containing a polymer having a partial structure represented by the following ring structure ? or ? in the molecule, a polarizing plate protective film, a cellulose acylate film, a polarizer, a polarizing plate, and a display; wherein L1 represents a single bond, —C(?O)—, —C(?S)—, an alkylene group, or an arylene group; and the symbol * designates a boning hand, or a site to which a hydrogen atom, a substituent, or a linking group binds.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: April 9, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Aiko Yoshida, Naoya Shimoju, Mayumi Nojiri, Nobutaka Fukagawa
  • Patent number: 10254456
    Abstract: A polarizing plate composition, a polarizing plate protective film, a polarizer, a polarizing plate, and a liquid crystal display device contain a compound represented by the following Formula (I). In Formula (I), R represents a specific substituent, and each of EWG1 and EWG2 represents an electron-withdrawing group. EWG1 and EWG2 may form a ring by being bonded to each other. Here, there is no such case where EWG1 and EWG2 become the following group by being bonded to each other and form a ring by being bonded to a carbon atom substituted with R. Each of Rx and Ry represents a hydrogen atom or a substituent. * represents a position of bonding to a carbon atom substituted with R.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: April 9, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Naoya Shimoju, Aiko Yoshida, Mayumi Nojiri, Yu Naito
  • Patent number: 10114160
    Abstract: A polarizing plate has at least a polarizer layer including a polyvinyl alcohol film dyed with iodine and includes a compound exhibiting a polyiodide ion I5? forming ability in an iodide compound-containing solution.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: October 30, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Mayumi Nojiri, Yu Naito, Nobutaka Fukagawa, Naoya Shimoju, Hiroyuki Ishikawa
  • Patent number: 10031264
    Abstract: A polarizing plate of the present invention includes polarizing plate protective film(s) on one or both sides of a polarizer, wherein the polarizing plate protective film contains a compound represented by general formula (I) or (II) described below, the polarizer contains iodine, and the content of the iodine within the polarizer is 4.0 wt % or greater.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: July 24, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Nobutaka Fukagawa, Naoki Sano, Mayumi Nojiri, Aiko Yoshida, Naoya Shimoju
  • Patent number: 9817156
    Abstract: A polarizing plate protective film contains a compound represented by general formula (I). In general formula (I), X is a group containing a boronic acid ester structure, and a plurality of Xs may be identical or different; L represents a single bond or a divalent linking group, and a plurality of Ls may be identical or different; n represents an integer of 2 or more; when n is 2, Z represents a single bond or a divalent group, and when n is 3 or more, Z represents a group having a valence of n, provided that L and Z are not simultaneously single bonds when n is 2.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: November 14, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Aiko Yoshida, Naoya Shimoju, Naoki Sano, Mayumi Nojiri, Nobutaka Fukagawa
  • Publication number: 20170226317
    Abstract: A polarizing plate protective film which prevents deterioration of polarization performance in a high temperature, high humidity environment, and a polarizing plate and display device using the film including a compound represented by the following General Formula (I). (X-L?nz??General Formula (I) X represents a formyl group, a boronic acid group, or a group represented by the following General Formula (I-B) or a group represented by the following General Formula (I-C), where L represents a single bond or divalent linking group, and n represents an integer equal to or greater than 2. When n is 2, Z represents a single bond or a divalent group, and when n?3, Z represents an n-valent group. RA and RB represent an alkyl group, a cycloalkyl group, an aryl group, or an acyl group. RA and RB may be bonded to each other to form a ring. * represents a bond to be bonded to L.
    Type: Application
    Filed: April 26, 2017
    Publication date: August 10, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Nobutaka FUKAGAWA, Naoki SANO, Mayumi NOJIRI, Aiko YOSHIDA, Naoya SHIMOJU
  • Patent number: 9644083
    Abstract: A cellulose acylate film, containing: at least two or more of chelating agents having different pKa values from one another, wherein the chelating agents comprise: a chelating agent A having at least one functional group whose acid dissociation constant pKa, measured at 25° C. in a mixed solvent having a mixing ratio of tetrahydrofuran 60 ml/water 40 ml, is 6 or less; and a chelating agent B having at least one functional group of a conjugate acid whose pKa, measured at the same condition, is 7 or more; and a cellulose acylate, and wherein the number of bright spots of the cellulose acylate film is equal to or less than 500/cm2; a polarizing plate protective film, a polarizing plate and a liquid crystal display using the same.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: May 9, 2017
    Assignee: FUJIFILM CORPORATION
    Inventors: Nobutaka Fukagawa, Yu Naito, Mayumi Nojiri, Hiroyuki Hagio, Aiko Yoshida, Hideyuki Nishikawa
  • Publication number: 20160369115
    Abstract: Provided are a polarizing plate composition, a polarizing plate protective film, a polarizer, a polarizing plate, and a liquid crystal display device, which contain a compound represented by the following Formula (I), and a compound. In Formula (I), each of R1 and R2 represents a substituent. X represents an electron-withdrawing group, and Y represents a substituent having a heteroatom or a carbon atom as an atom bonded to a carbon atom substituted with —OR1. Y and X may form a ring by being bonded to each other.
    Type: Application
    Filed: September 1, 2016
    Publication date: December 22, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Naoya SHIMOJU, Aiko YOSHIDA, Mayumi NOJIRI
  • Publication number: 20160370523
    Abstract: A polarizing plate composition, a polarizing plate protective film, a polarizer, a polarizing plate, and a liquid crystal display device contain a compound represented by the following Formula (I). In Formula (I), R represents a specific substituent, and each of EWG1 and EWG2 represents an electron-withdrawing group. EWG1 and EWG2 may form a ring by being bonded to each other. Here, there is no such case where EWG1 and EWG2 become the following group by being bonded to each other and form a ring by being bonded to a carbon atom substituted with R. Each of Rx and Ry represents a hydrogen atom or a substituent. * represents a position of bonding to a carbon atom substituted with R.
    Type: Application
    Filed: September 1, 2016
    Publication date: December 22, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Naoya SHIMOJU, Aiko YOSHIDA, Mayumi NOJIRI, Yu NAITO
  • Patent number: 9507067
    Abstract: A polarizing plate includes at least: a polarizer layer containing a polyvinyl alcohol-based film dyed with iodine; and one or more other layers except for the polarizer layer, in which the polarizer layer contains a compound which has polyiodide ion I5? reduction capability in iodide compound- and iodine-containing solutions, and at least one of the one or more other layers contain a compound which has polyiodide ion I5? formation capability in an iodide compound-containing solution.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: November 29, 2016
    Assignee: FUJIFILM CORPORATION
    Inventors: Mayumi Nojiri, Nobutaka Fukagawa, Yu Naito, Naoya Shimoju, Aiko Yoshida
  • Publication number: 20160341860
    Abstract: A polarizing plate has at least a polarizer layer including a polyvinyl alcohol film dyed with iodine and includes a compound exhibiting a polyiodide ion I5? forming ability in an iodide compound-containing solution.
    Type: Application
    Filed: August 2, 2016
    Publication date: November 24, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Mayumi NOJIRI, Yu NAITO, Nobutaka FUKAGAWA, Naoya SHIMOJU, Hiroyuki ISHIKAWA