Patent application number | Description | Published |
20090021671 | Cellulose Acylate Film, Method for Producing Cellulose Acylate Film, Polarizing Plate and Liquid Crystal Display Device - A method for producing a cellulose acylate film containing an additive comprising an aliphatic compound, the method contains a process of thermal shrinkage treatment at an atmospheric temperature higher than the glass transition temperature (Tg) in the state where at least one of the transverse direction and the machine direction of the film is free, and a cellulose acylate film obtained by the above method. | 01-22-2009 |
20090096963 | CYCLIC POLYOLEFIN FILM, PROCESS FOR PRODUCING THE FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A cyclic polyolefin film, which comprises: a cyclic polyolefin resin; and at least one organic compound decreasing Rth(λ) and/or at least one organic compound decreasing Re(λ), wherein Rth(λ) represents a retardation value (nm) in a thickness-direction of the cyclic polyolefin film at a wavelength of λ nm, and Re(λ) represents an in-plane retardation value (nm) of the cyclic polyolefin film at a wavelength of λ nm, wherein the cyclic polyolefin film comprises the at least one organic compound in a content of from 0.01 to 30% by mass based on a solid component of the cyclic polyolefin resin. | 04-16-2009 |
20090103014 | Cellulose Acylate Film, and Polarizing Plate and Liquid Crystal Display Device Using the Same - A cellulose acylate film comprising: (A) at least one retardation regulator that has an absorbance, in terms of a 1.0 g/liter solution, of 0.1 or less for a 1 cm path length within a wavelength region of 450 nm or greater but not greater than 800 nm; and (B) at least one near infrared absorber that has at least one maximum absorption wavelength at 700 nm or greater but not greater than 1200 nm and has an absorbance, in terms of a 1.0 g/liter solution, of 30.0 or less for a 1 cm path length within a wavelength region of 450 nm or greater but not greater than 650 nm. | 04-23-2009 |
20090117294 | CELLULOSE DERIVATIVE FILM, OPTICAL COMPENSATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DEVICE - A cellulose derivative film having high optical isotropy over the whole visible region and high durability against high temperature and humidity conditions is provided. The film contains a cellulose derivative having a substituent the polarizability anisotropy Δα (=αx−(αy+αz)/2) of which is 2.5×10 | 05-07-2009 |
20090122237 | POLYMER FILM, METHOD FOR PRODUCING POLYMER FILM, OPTICAL FILM AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A polymer film, which comprises: organic compound fine particles containing a retardation developer and having an average particle size of from 1 nm to 1,000 nm; a method for producing a polymer film, which comprises: casting a dope containing a polymer, a solvent for dissolving the polymer, a retardation developer and an additive other than the retardation developer on a support; peeling off; drying; and stretching, wherein the retardation developer is uniformly dissolved in the dope, and between the casting and the stretching, organic compound fine particles containing the retardation developer are formed within a film; and an optical film, which comprises: at least one compound represented by formula (I) as defined in the specification; and at least one Rth raising agent. | 05-14-2009 |
20090153782 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device comprising a liquid crystal cell and two polarizing plates disposed on the both sides thereof, wherein a protective film satisfying the specific conditions of retardation is sandwitched each between the liquid crystal cell and the polarizing plates. The liquid crystal display device can be easily produced at low costs and has a low viewing angle dependency of color. | 06-18-2009 |
20090290100 | Cellulose Acylate Film, Method of Producing the Same, Cellulose Derivative Film, Optically Compensatory Film Using the Same, Optically-Compensatory Film Incorporating Polarizing Plate, Polarizing Plate and Liquid Crystal Display Device - A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy Δα represented as following Expression (1) is 2.5×10 | 11-26-2009 |
20110098463 | CELLULOSE DERIVATIVE AND METHOD FOR PRODUCING THE SAME, CELLULOSE RESIN COMPOSITION, MOLDED MATTER AND METHOD FOR MAKING THE SAME, AND ELECTRICAL AND ELECTRONIC EQUIPMENT HOUSING - A cellulose derivative obtained from cellulose by substitution of hydrocarbyl groups ranging in carbon number from 1 to 7 and aliphatic acyl groups ranging in carbon number from 4 to 11 for at least part of the hydrogen atoms of hydroxyl groups contained in the cellulose. The cellulose derivative can exhibit good thermal plasticity, strength, heat resistance and mold working suitability. | 04-28-2011 |
20110183090 | CELLULOSE DERIVATIVE, PROCESS OF PREPARING CELLULOSE DERIVATIVE, RESIN COMPOSITION, MOLDED ARTICLE, METHOD OF MAKING MOLDED ARTICLE, AND HOUSING FOR ELECTRONIC EQUIPMENT - A cellulose derivative and a resin composition having good thermoplasticity, strength, and elongation at break and therefore suited to molding processing are provided. The cellulose derivative is derived by replacing at least part of the hydrogen atoms of the hydroxyl groups of cellulose with a hydrocarbon group and an aliphatic or aromatic oxycarbonyl group. | 07-28-2011 |
20120108805 | CELLULOSE-BASED RESIN COMPOSITION, MOLDED BODY AND CASE FOR ELECTRIC AND ELECTRONIC DEVICES - A cellulose resin composition for melt molding, containing a cellulose derivative having two or more kinds of aliphatic oxy groups having different carbon numbers (—OR) (wherein R represents an aliphatic group which may be unsubstituted or substituted), wherein a difference in carbon number between the aliphatic oxy group having the largest carbon number and the aliphatic oxy group having the smallest carbon number is 1 to 18. The cellulose resin composition can provide good thermoplasticity and excellent mechanical strength, and can be used to prepare a molded body and a case for electric and electronic devices. | 05-03-2012 |
20130189449 | POLARIZING PLATE, METHOD FOR PREPARING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE - A polarizing plate includes two protective films and a polarizer provided between the two protective films, and the polarizer has a thickness of 3 μm to 18 μm, at least one of the protective films has a thickness of 3 μm to 40 μm and contains at least one resin and a compound in an amount of 1 part by mass to 20 parts by mass based on 100 parts by mass of the resin, the compound having at least one hydrogen-donating group capable of forming a hydrogen bond and a ratio of molecular weight to number of aromatic rings of 300 or less, and the polarizing plate has a thickness of 15 μm to 70 μm. | 07-25-2013 |
20140057060 | POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - A polarizing plate includes, in the following order: a transparent protective film; an adhesive layer; and a polarizer, and the transparent protective film has a thickness of from 5 to 60 μm and contains at least one resin and a compound (A) having at least one hydrogen bond-forming hydrogen-donating group and a ratio of a molecular weight to an aromatic ring number of 190 or less. | 02-27-2014 |
20140085575 | CELLULOSE ACYLATE FILM, A POLARIZING PLATE USING THE SAME AND A LIQUID CRYSTAL DISPLAY USING THE SAME - A cellulose acylate film containing at least one compound represented by the following Formula (I) or (II), and cellulose acylate, a polarizing plate using the same and a liquid crystal display device using the same, wherein in Formula (I), R | 03-27-2014 |
20140104546 | CELLULOSE ACYLATE FILM, POLARIZING PLATE USING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose acylate film containing a cellulose acylate and a specific polymer, the specific polymer containing a repeating unit derived from a monomer represented by formula (1): | 04-17-2014 |
20140199502 | CELLULOSE ACYLATE FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a cellulose acylate film having low moisture permeability and low haze, a polarizing plate, and a liquid crystal display device using the same. A cellulose acylate film comprising at least a cellulose acylate, and a compound represented by the formula (1) below: in the formula (1), R | 07-17-2014 |