| Patent application number | Description | Published |
|---|
| 20080254237 | Polymer Film, and Optically-Compensatory Film, Polarizer and Liquid-Crystal Display Device Comprising the Same - A polymer film that has an in-plane retardation Re | 10-16-2008 |
| 20080309860 | Optical Film, Optical Compensation Film, Polarizing Plate, Liquid Crystal Display Unit and Self Luminous Display Unit - An optical film which has Re(λ) and Rth(λ) fulfilling the following two formulae: | 12-18-2008 |
| 20100143613 | Cellulose Acylate Film, Polarizing Plate and Liquid Crystal Display - A cellulose acylate film satisfying the following formulae: | 06-10-2010 |
| 20100245730 | CELLULOSE ACYLATE FILM AND METHOD FOR PRODUCING SAME, RETARDATION FILM, POLARIZER AND IMAGE DISPLAY DEVICE - A method for producing a cellulose acylate film, comprising casting a polymer solution that comprises a plasticizer having a number-average molecular weight of 200-10000 and a cellulose acylate to form a web; stretching the web having a residual solvent amount of 100-300% by mass in one direction at from −30° C. to 30° C.; drying the stretched web to reduce the residual solvent amount from 6-120% by mass to less than 12% by mass while controlling the surface temperature of the web so as not to reach 200° C. or higher; and stretching the resulting film at 60-200° C. in a direction different form the stretching direction of the first stretching. | 09-30-2010 |
| 20110090439 | Retardation film, polarizing plate and liquid crystal display device - A retardation film comprising a transparent support, disposed on a surface thereof, an alignment layer and an optically anisotropic layer is disclosed. The transparent support and the optically anisotropic layer satisfy following relations: | 04-21-2011 |
| Patent application number | Description | Published |
|---|
| 20080266500 | LIQUID CRYSTAL DISPLAY DEVICE - A novel liquid crystal display device (LCD) is disclosed. The LCD comprises at least, a member of generating polarized light, a retardation member, a first polarizing element, a liquid-crystal cell and a second polarizing element, in this order, wherein the retardation member satisfies at least one condition of
| 10-30-2008 |
| 20100007828 | TN-MODE LIQUID CRYSTAL DISPLAY DEVICE, OPTICAL COMPENSATORY FILM FOR USE THEREIN AND METHOD FOR PRODUCING OPTICAL COMPENSATORY FILM, AND POLARIZING PLATE - An optical compensatory film of a laminated structure comprising a first optically anisotropic layer having an Re(550) of 20 to 100 nm wherein retardation at a wavelength of 550 nm is never 0 nm along any direction and the direction along which the absolute value of retardation at a wavelength of 550 nm reaches minimum does not exist along the normal direction of the layer or on the in-plane of the layer; and a second optically anisotropic layer having an Re(550) of 20 to 150 nm and an Rth(550) of 40 to 110 nm with Re(450) Re(550)<−3 nm and Rth(450)−Rth(550)>3 nm. | 01-14-2010 |
| 20100066948 | OPTICAL FILM, POLARIZING PLATE, AND VA-MODE LIQUID CRYSTAL DISPLAY DEVICE - The present invention relates to an optical film produced by stretching a film having a low residual solvent amount in a machine direction followed by heat-treating it at a temperature falling from the glass transition point (Tg) to the melting point (Tm) thereof, which is a cellulose acylate film satisfying the following relations (1) to (6) and containing at least one cellulose acylate and at least one retardation enhancer having an absorption maximum wavelength λmax of from 280 nm to 380 nm: (1) 35 nm≦Re(550)≦75 nm, (2) 85 nm≦Rth(550)≦140 nm, (3) 0 nm<ΔRe(630−450)≦40 nm, (4) −75 nm≦ΔRth(630−450)<0 nm, (5) 2.7≦A+B≦3.0, and (6) B≧0, wherein “A” means a degree of substitution with an acetyl group of said at least one cellulose acylate, and “B” means a degree of substitution with an acyl group having at least 3 carbon atoms thereof. | 03-18-2010 |
