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).
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Publication number: 20080266488Abstract: 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: ApplicationFiled: April 24, 2008Publication date: October 30, 2008Inventors: Jun WATANABE, Ryuji Saneto, Naohiro Matsunaga
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Publication number: 20080239486Abstract: 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: ApplicationFiled: March 7, 2008Publication date: October 2, 2008Inventors: Shinya KATO, Hiroyuki YONEYAMA, Naohiro MATSUNAGA
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Publication number: 20080198446Abstract: 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: ApplicationFiled: February 15, 2008Publication date: August 21, 2008Inventors: Tetsuya ASAKURA, Yoneyama Hiroyuki, Naohiro Matsunaga
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Publication number: 20080182038Abstract: 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: ApplicationFiled: January 29, 2008Publication date: July 31, 2008Applicant: FujiFilm CorporationInventors: Naohiro Matsunaga, Shuntaro Ibuki
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Patent number: 7371439Abstract: 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: GrantFiled: August 14, 2003Date of Patent: May 13, 2008Assignee: Fujifilm CorporationInventors: Naohiro Matsunaga, Shuntaro Ibuki
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Publication number: 20070291363Abstract: 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: ApplicationFiled: June 19, 2007Publication date: December 20, 2007Applicant: FUJIFILM CorporationInventors: Tetsuya Asakura, Naohiro Matsunaga
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Publication number: 20070206286Abstract: 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 antireflectType: ApplicationFiled: March 1, 2007Publication date: September 6, 2007Applicant: FUJIFILM CorporartionInventors: Yuuichi Fukushige, Naohiro Matsunaga
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Publication number: 20070177271Abstract: 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: ApplicationFiled: February 1, 2007Publication date: August 2, 2007Applicant: FUJIFILM CorporationInventor: Naohiro Matsunaga
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Publication number: 20070116970Abstract: 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: ApplicationFiled: April 25, 2006Publication date: May 24, 2007Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Shinya Kato, Hiroyuki Yoneyama, Naohiro Matsunaga
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Publication number: 20070104896Abstract: 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: ApplicationFiled: October 26, 2006Publication date: May 10, 2007Applicant: FUJIFILM CorporationInventors: Naohiro Matsunaga, Tadashi Ito, Rikio Inoue, Yuuichi Fukushige
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Publication number: 20070053055Abstract: 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: ApplicationFiled: October 6, 2004Publication date: March 8, 2007Applicants: Dai Nippon Printing Co., Ltd., Fuji Photo Flim Co., Ltd.Inventors: Koichi Mikami, Yukimitsu Iwata, Norinaga Nakamura, Naohiro Matsunaga
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Publication number: 20060233972Abstract: 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: ApplicationFiled: February 23, 2006Publication date: October 19, 2006Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Yuuzou Muramatsu, Naohiro Matsunaga
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Publication number: 20060152801Abstract: 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: ApplicationFiled: November 20, 2003Publication date: July 13, 2006Applicant: FUJI PHOTO FILM CO., LTDInventor: Naohiro Matsunaga
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Publication number: 20060057307Abstract: 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: ApplicationFiled: August 14, 2003Publication date: March 16, 2006Applicant: Fuji Photo Film Co., Ltd.Inventors: Naohiro Matsunaga, Shuntaro Ibuki
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Publication number: 20050152034Abstract: 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: ApplicationFiled: February 24, 2003Publication date: July 14, 2005Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Naohiro Matsunaga
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Patent number: 6830348Abstract: 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: GrantFiled: November 5, 2002Date of Patent: December 14, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuhiro Nakamura, Naohiro Matsunaga, Tsutomu Arai, Shinichi Otani, Hidekazu Yamazaki, Hirohisa Hokazono
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Patent number: 6778240Abstract: 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: GrantFiled: March 28, 2001Date of Patent: August 17, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuhiro Nakamura, Naohiro Matsunaga, Yosuke Nishiura, Hidetoshi Watanabe
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Patent number: 6731363Abstract: 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: GrantFiled: October 31, 2001Date of Patent: May 4, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuhiro Nakamura, Naohiro Matsunaga
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Publication number: 20030112519Abstract: 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: ApplicationFiled: November 5, 2002Publication date: June 19, 2003Inventors: Kazuhiro Nakamura, Naohiro Matsunaga, Tsutomu Arai, Shinichi Otani, Hidekazu Yamazaki, Hirohisa Hokazono
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Patent number: 6502943Abstract: 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: GrantFiled: July 11, 2001Date of Patent: January 7, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuhiro Nakamura, Naohiro Matsunaga, Tsutomu Arai, Shinichi Otani, Hidekazu Yamazaki, Hirohisa Hokazono