| Patent application number | Description | Published |
|---|
| 20080213511 | Optical compensation film, process for producing optical compensation film, polarizing plate and liquid crystal display device - An optical compensation film with optically biaxial properties, wherein the longer the wavelength is, the larger the wavelength dispersion of a retardation Re in an in-plane direction and a retardation Rth in a thickness direction against light in a visible light region is; the film contains at least one inorganic particle; a concentration of the inorganic particle in a film surface layer is from 0.05% to 1.0%; an average concentration of the inorganic particle in the film is from 0.01% to 0.3%; and the concentration of the inorganic particle in the surface layer is larger than the average concentration of the inorganic particle in the film. | 09-04-2008 |
| 20090169775 | POLYMER FILM, AND PHASE DIFFERENCE FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - There is provided a polymer film including a polymer; and a high molecular weight plasticizer that has a number average molecular weight of 700 to 10,000 and has a repeating unit derived from a dicarboxylic acid and a diol, wherein the dicarboxylic acid for forming the high molecular weight plasticizer includes at least one aliphatic dicarboxylic acid having 2 to 20 carbon atoms and at least one aromatic dicarboxylic acid having 8 to 20 carbon atoms, and the diol includes at least one diol selected from the group consisting of an aliphatic diol having 2 to 12 carbon atoms, an alkyl ether diol having 4 to 20 carbon atoms and an aromatic ring-containing diol having 6 to 20 carbon atoms. | 07-02-2009 |
| 20090244705 | PROTECTIVE FILM FOR POLARIZERS - A protective film for polarizers, including a cellulose resin having an acyl substituent with from 2 to 4 carbon atoms and having a degree of acyl substitution of from 2.1 to 2.7, which satisfies 25≦Re≦100 and 50≦Rth≦300 and in which the cellulose resin contributes to expression of at least 40% of the Re in the film. | 10-01-2009 |
| 20090286016 | CELLULOSE ESTER FILM, RETARDATION FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a cellulose ester film including a polycondensed ester which is obtained from a mixture containing an aromatic dicarboxylic acid, an aliphatic dicarboxylic acid, an aliphatic diol having an average carbon atom number of from 2.0 to 3.0 and a monocarboxylic acid, and both terminals of which are a monocarboxylic acid ester derivative. | 11-19-2009 |
| 20100308264 | CELLULOSE ESTER FILM, OPTICALLY COMPENSATORY FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose ester film is provided and includes a polycondensate obtained from a diol and a dicarboxylic acid, and the polycondensate contains the following (1) and (2). | 12-09-2010 |
| 20110001904 | CELLULOSE ESTER FILM, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose ester film comprising at least one polycondensate ester that comprises a dicarboxylic acid residue mixture having an average carbon number of from 5.5 to 10.0 and comprising an aromatic dicarboxylic acid residue and an aliphatic dicarboxylic acid residue, and an aliphatic diol residue having an average carbon number of from 2.5 to 7.0. | 01-06-2011 |
| Patent application number | Description | Published |
|---|
| 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 |
| 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 |
| 20090159857 | OPTICAL FILM AND PHASE DIFFERENCE PLATE, AND LIQUID CRYSTAL COMPOUND - An optical film, which has been subjected to an orientation treatment, containing a low-molecular weight compound, in which a birefringence Δn(550 nm) is larger than zero (0) in an orientation direction, and the optical film satisfies the following expressions (1) and (2); and a phase difference plate, a polarizing plate and a liquid crystal display using the same: | 06-25-2009 |
| 20100192803 | CELLULOSE ACYLATE FILM, OPTICAL FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY APPARATUS - A cellulose acylate film includes a cellulose acylate; and a polyester diol having a hydroxyl group at each of the both terminals in an amount of 5 mass % or more based on the amount of the cellulose acylate. | 08-05-2010 |
| 20110001907 | CELLULOSE ESTER FILM, RETARDATION FILM USING THE SAME, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - Thanks to a cellulose ester film comprising at least one kind of a polycondensed ester obtained from at least one kind of an aliphatic diol having an average carbon number of 2.0 to 2.5 and a dicarboxylic acid mixture containing at least one kind of an aromatic ring-containing dicarboxylic acid and at least one kind of an aliphatic dicarboxylic acid and having an average carbon number of 6.0 to 10.0, an excellent cellulose ester film yielding little process contamination at the production and ensuring high production efficiency, a retardation film with excellent characteristics, and a polarizing plate and a liquid crystal display device each using the film, are provided. | 01-06-2011 |
