Patents by Inventor Naohiro Matsunaga

Naohiro Matsunaga 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: 20080266488
    Abstract: A liquid crystal display device includes a light source, at least one optical member having a periodic structure of 75 ?m or more, pixels disposed in a matrix state, and at least one optical member with light scattering properties.
    Type: Application
    Filed: April 24, 2008
    Publication date: October 30, 2008
    Inventors: Jun WATANABE, Ryuji Saneto, Naohiro Matsunaga
  • Publication number: 20080239486
    Abstract: An antireflection laminate includes a support; a layer having hardcoat property; an overcoat layer; and a low refractive index layer, wherein at least one layer of the layer having hardcoat property and the overcoat layer comprises a metal oxide particle, and the antireflection laminate has a surface haze value of 0 to 12%, an internal haze value of 0 to 60%, and a Sm value of 40 to 200 ?m.
    Type: Application
    Filed: March 7, 2008
    Publication date: October 2, 2008
    Inventors: Shinya KATO, Hiroyuki YONEYAMA, Naohiro MATSUNAGA
  • Publication number: 20080198446
    Abstract: An optical film includes a filmy support that includes a polymer having all alicyclic structure; an ultraviolet absorbing layer; and a hardcoat layer, wherein the ultraviolet absorbing layer has a beam transmittance of 5% or less in a wavelength region of 200 to 340 nm and includes at least one ultraviolet absorbent selected from the group consisting of a metal oxide fine particle and a polymer particle.
    Type: Application
    Filed: February 15, 2008
    Publication date: August 21, 2008
    Inventors: Tetsuya ASAKURA, Yoneyama Hiroyuki, Naohiro Matsunaga
  • Publication number: 20080182038
    Abstract: The present invention can provide an antireflection film improved in the scratch resistance while having a sufficiently high antireflection property, and a polarizing plate and a display device using the antireflection film, the antireflection filmantireflection film comprising: a transparent support; and as an outermost layer, a low refractive index layer containing a fluorine-containing polymer, wherein the low refractive index layer comprises at least one inorganic fine particle having an average particle size of 30 to 100% of the thickness of the low refractive index layer; the polarizing plate using the antireflection film for one of two protective films of a polarizer in the polarizing plate; and the image display device using the antireflection film or polarizing plate for the outermost surface of the display.
    Type: Application
    Filed: January 29, 2008
    Publication date: July 31, 2008
    Applicant: FujiFilm Corporation
    Inventors: Naohiro Matsunaga, Shuntaro Ibuki
  • Patent number: 7371439
    Abstract: The present invention can provide an antireflection film improved in the scratch resistance while having a sufficiently high antireflection property, and a polarizing plate and a display device using the antireflection film, the antireflection film antireflection film comprising: a transparent support; and as an outermost layer, a low refractive index layer containing a fluorine-containing polymer, wherein the low refractive index layer comprises at least one inorganic fine particle having an average particle size of 30 to 100% of the thickness of the low refractive index layer; the polarizing plate using the antireflection film for one of two protective films of a polarizer in the polarizing plate; and the image display device using the antireflection film or polarizing plate for the outermost surface of the display.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: May 13, 2008
    Assignee: Fujifilm Corporation
    Inventors: Naohiro Matsunaga, Shuntaro Ibuki
  • Publication number: 20070291363
    Abstract: An optical film including: a transparent support; at least one hardcoat layer containing a light-transparent resin; and at least one light-transparent organic resin particle, wherein the light-transparent organic resin particle has a refractive index being higher than a refractive index of the hardcoat layer, and a difference between the refractive index of the light-transparent organic resin particle and the refractive index of the hardcoat layer is 0.10 or more.
    Type: Application
    Filed: June 19, 2007
    Publication date: December 20, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuya Asakura, Naohiro Matsunaga
  • Publication number: 20070206286
    Abstract: An optical film, which comprises: a transparent support; and at least two layers each containing a cured product on or above the transparent support, wherein the layer to be brought into contact with the surface of the transparent support contains a cured product of a below-described composition (I) and the outermost layer of the optical film is a layer containing a cured product of a below-described composition (II): Composition (I): a composition comprising: a polyfunctional compound (a) having two or more ethylenically unsaturated groups; at least one of a photo-polymerization initiator and a thermo-polymerization initiator; and metal oxide particles, Composition (II): a composition comprising: a binder polymer; a polyfunctional compound (b) having two or more ethylenically unsaturated groups; at least one of a photo-polymerization initiator and a thermo-polymerization initiator; and metal oxide particles; production process of the film; and polarizing plate and display device equipped with the antireflect
    Type: Application
    Filed: March 1, 2007
    Publication date: September 6, 2007
    Applicant: FUJIFILM Corporartion
    Inventors: Yuuichi Fukushige, Naohiro Matsunaga
  • Publication number: 20070177271
    Abstract: An antireflection film is provided and has at least one hard coat layer and a low refractive-index layer having a refractive index of 1.47 or less as the outermost layer on a transparent support. The roughness Ra of the antireflection film is 0.03 ?m or more and when it is assumed that average 5° specular reflectance is A and average integrated reflectance is B in a wavelength range of 450 nm to 650 nm, B?A<4 Ra.
    Type: Application
    Filed: February 1, 2007
    Publication date: August 2, 2007
    Applicant: FUJIFILM Corporation
    Inventor: Naohiro Matsunaga
  • Publication number: 20070116970
    Abstract: A curable composition is provided and contains (A) at least either a hydrolyzed product of organosilane or a condensation reaction product of the hydrolyzed product having a mass average molecular weight of from 500 to 10,000 in terms of ethylene glycol, (B) a fluorine-containing resin having a mass average molecular weight of 5,000 or more in terms of polystyrene, and a fluoroalkyl structure and a polysiloxane structure, and (C) a silane coupling agent represented by a prescribed formula or at least either a hydrolyzed product of the silane coupling agent or a condensation reaction product of the hydrolyzed product.
    Type: Application
    Filed: April 25, 2006
    Publication date: May 24, 2007
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Shinya Kato, Hiroyuki Yoneyama, Naohiro Matsunaga
  • Publication number: 20070104896
    Abstract: An optical film comprising: a transparent support; and at least one hard coat layer containing a translucent resin and a coagulating metal oxide particle, and having a surface haze value of from 0 to 12%, an internal haze value of from 0 to 35% and an Sm value of from 50 to 200 ?m.
    Type: Application
    Filed: October 26, 2006
    Publication date: May 10, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Naohiro Matsunaga, Tadashi Ito, Rikio Inoue, Yuuichi Fukushige
  • Publication number: 20070053055
    Abstract: The present invention discloses an anti-dazzling film that can be provided by high-speed coating and can meet market demands for an increased area and homogeneous properties and lowered cost while enjoying satisfactory scratch resistance. The present invention provides the anti-dazzling film comprises a triacetylcellulose film and an anti-dazzling layer provided on the triacetylcellulose film. The anti-dazzling layer comprises: a light transparent resin comprising an acrylic resin; plastic light transparent fine particles; and a leveling agent comprising a copolymer comprising (meth)acrylic acid repeating units containing at least one perfluoroalkyl group having 8 or more carbon atoms and (meth)acrylic acid repeating units having at least one bornane ring. A low-refractive index layer is provided on the anti-dazzling film to constitute an antireflection film.
    Type: Application
    Filed: October 6, 2004
    Publication date: March 8, 2007
    Applicants: Dai Nippon Printing Co., Ltd., Fuji Photo Flim Co., Ltd.
    Inventors: Koichi Mikami, Yukimitsu Iwata, Norinaga Nakamura, Naohiro Matsunaga
  • Publication number: 20060233972
    Abstract: An optical functional film comprises: a transparent support comprising a cellulose acylate film and having a thickness of less than 80 ?m; and at least one coating layer on at least one surface of the transparent support, wherein said at least one coating layer has a total thickness of 5 ?m or less.
    Type: Application
    Filed: February 23, 2006
    Publication date: October 19, 2006
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Yuuzou Muramatsu, Naohiro Matsunaga
  • Publication number: 20060152801
    Abstract: The invention provides an anti-reflection film secured with a sufficient defect-freeness, a polarizing plate comprising such an anti-reflection film and a display device comprising such an anti-reflection film or polarizing plate, and the anti-reflection film comprises at least one hard coat layer and an outermost low refractive index layer provided on a transparent support, wherein Ra (central line average roughness) of the surface of the anti-reflection film is not greater than 0.15 ?m, and the hard coat layer comprises at least one specific particle, and a polarizing plate and a display device comprising the film.
    Type: Application
    Filed: November 20, 2003
    Publication date: July 13, 2006
    Applicant: FUJI PHOTO FILM CO., LTD
    Inventor: Naohiro Matsunaga
  • Publication number: 20060057307
    Abstract: The present invention can provide an antireflection film improved in the scratch resistance while having a sufficiently high antireflection property, and a polarizing plate and a display device using the antireflection film, the antireflection film antireflection film comprising: a transparent support; and as an outermost layer, a low refractive index layer containing a fluorine-containing polymer, wherein the low refractive index layer comprises at least one inorganic fine particle having an average particle size of 30 to 100% of the thickness of the low refractive index layer; the polarizing plate using the antireflection film for one of two protective films of a polarizer in the polarizing plate; and the image display device using the antireflection film or polarizing plate for the outermost surface of the display.
    Type: Application
    Filed: August 14, 2003
    Publication date: March 16, 2006
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Naohiro Matsunaga, Shuntaro Ibuki
  • Publication number: 20050152034
    Abstract: To provide an antiglare and antireflection film having sufficiently high antireflection performance and at the same time, having excellent image display quality. An antiglare and antireflection film comprising a transparent support and at least one antiglare hard coat layer, wherein the at least one antiglare hard coat layer comprises a first light-transmissive particle having an average particle size of 60% to less than 95% based on the thickness of the antiglare hard coat layer, and a second light-transmissive particle having an average particle size of 105% to less than 140% based on the layer thickness.
    Type: Application
    Filed: February 24, 2003
    Publication date: July 14, 2005
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventor: Naohiro Matsunaga
  • Patent number: 6830348
    Abstract: An antiglare and antireflection film is provided, which can be formed by a wet-coating method and which is excellent in the antireflection property, antifouling property, scratch resistance, clearness of transmitted image and planar uniformity. A polarizer and a liquid crystal display device using this film are also provided. An antiglare and antireflection film is provided, comprising a transparent support having thereon an antiglare hard coat layer and a low refractive index layer having a refractive index of 1.38 to 1.49, wherein the low refractive index layer is formed by a coating method, the solvent of the coating solution for forming the low refractive index layer comprises one or more solvent, and from 50 to 100% by mass of the solvent is a solvent having a boiling point of 100° C. or less. A polarizer and a liquid crystal display device using this film are also provided.
    Type: Grant
    Filed: November 5, 2002
    Date of Patent: December 14, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazuhiro Nakamura, Naohiro Matsunaga, Tsutomu Arai, Shinichi Otani, Hidekazu Yamazaki, Hirohisa Hokazono
  • Patent number: 6778240
    Abstract: An anti-glare and anti-reflection film (1) which comprises, on a transparent support (2), at least one anti-glare layer (4) including particles (6), and a low refractive index layer (5) superposed in this order, in which the film has an average mirror reflectance at a 5° incidence in the wavelength region of 450 to 650 nm being 1.2% or less. A polarizing plate and an image display device using the anti-glare and anti-reflection film.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: August 17, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazuhiro Nakamura, Naohiro Matsunaga, Yosuke Nishiura, Hidetoshi Watanabe
  • Patent number: 6731363
    Abstract: An object of the invention is to provide an anti-glare, anti-reflection film of which various characteristics such as anti-reflection, contamination resistance, scratch-resistance and transmission image sharpness, among which anti-reflection is particularly important, are consistent with a sufficiently high anti-glare property when the film is loaded in image display devices, in particular, a high-resolution liquid crystal display device, and which can be produced entirely by wet coating processes at a low manufacturing cost, and further provide a liquid crystal display excelling in image contrast, image visibility and image sharpness. The object is achieved by an anti-glare, anti-reflection film made of a low refractive index layer provided on a transparent support, and an anti-glare layer arranged between the transparent support and the low refractive index layer, the surface energy of the anti-glare layer being 25 mN·m−1 to 70 mN·m−1.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: May 4, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazuhiro Nakamura, Naohiro Matsunaga
  • Publication number: 20030112519
    Abstract: An antiglare and antireflection film is provided, which can be formed by a wet-coating method and which is excellent in the antireflection property, antifouling property, scratch resistance, clearness of transmitted image and planar uniformity. A polarizer and a liquid crystal display device using this film are also provided.
    Type: Application
    Filed: November 5, 2002
    Publication date: June 19, 2003
    Inventors: Kazuhiro Nakamura, Naohiro Matsunaga, Tsutomu Arai, Shinichi Otani, Hidekazu Yamazaki, Hirohisa Hokazono
  • Patent number: 6502943
    Abstract: An antiglare and antireflection film is provided, which can be formed by a wet-coating method and which is excellent in the antireflection property, antifouling property, scratch resistance, clearness of transmitted image and planar uniformity. A polarizer and a liquid crystal display device using this film are also provided. An antiglare and antireflection film is provided, comprising a transparent support having thereon an antiglare hard coat layer and a low refractive index layer having a refractive index of 1.38 to 1.49, wherein the low refractive index layer is formed by a coating method, the solvent of the coating solution for forming the low refractive index layer comprises one or more solvent, and from 50 to 100% by mass of the solvent is a solvent having a boiling point of 100° C. or less. A polarizer and a liquid crystal display device using this film are also provided.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: January 7, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazuhiro Nakamura, Naohiro Matsunaga, Tsutomu Arai, Shinichi Otani, Hidekazu Yamazaki, Hirohisa Hokazono