Patent application number | Description | Published |
20080204644 | Liquid crystal display device - A liquid crystal display device comprising first and second polarizing elements of which transmission axes are perpendicular to each other, and, disposed between the polarizing elements, a liquid crystal layer vertically aligned in a black state, and first and second optically anisotropic layer is disclosed. In the liquid crystal display device, the first optically anisotropic layer is a biaxial optically anisotropic layer of which in-plane retardation (Re) and thickness-direction retardation (Rth) are larger at a longer wavelength range within a range of from 400 nm to 700 nm, and the second optically anisotropic layer satisfies 0 nm<|Re(550)|<10 nm and |Rth(550)|/|Re(550)|>10
| 08-28-2008 |
20090086131 | LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid-crystal display device comprising a liquid-crystal cell comprising a liquid-crystal layer that aligns vertically to the substrate thereof in a black state, two polarizing elements that are disposed to sandwich the liquid-crystal cell therebetween in a manner that their absorption axes are perpendicular to each other, and retardation films having equivalent optical anisotropy that are disposed between each of the two polarizing elements and the liquid-crystal cell, wherein the retardation films comprise a cellulose acylate and a liquid-crystal compound, and satisfy 30 nm≦Re(550)≦80 nm, 70 nm≦Rth(550)≦140 nm, Re(450)/Re(550)<1 and Re(650)/Re(550)>1. | 04-02-2009 |
20090207355 | LIQUID-CRYSTAL DISPLAY DEVICE - A liquid-crystal display device comprising a liquid-crystal cell having a liquid-crystal layer that aligns vertically to the substrate thereof in the black state, first and second polarizing elements that are disposed to sandwich the liquid-crystal cell therebetween in a manner that their absorption axes are perpendicular to each other, an optically-biaxial retardation film A disposed between the first polarizing element and the liquid-crystal cell, and an optically-biaxial retardation film B disposed between the second polarizing element and the liquid-crystal cell, wherein the retardation films A and B differ from each other in the optical anisotropy, is disclosed. | 08-20-2009 |
20100055354 | CELLULOSE ACYLATE FILM AND METHOD FOR PRODUCING SAME, RETARDATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose acylate film is provided and has a surface where a first in-plane orientation in a portion from 0 to 3 μm in depth from the surface is lower than a second in-plane orientation in a portion from 3 μm to 10 μm in depth from the surface. | 03-04-2010 |
20100079707 | CELLULOSE ESTER FILM, AND POLARIZING PLATA AND LIQUID-CRYSTAL DISPLAY DEVICE HAVING THE SAME - The invention relates to a cellulose ester film, comprising at least one cellulose ester that satisfies the following formulae, 2.2≦X | 04-01-2010 |
20120182507 | OPTICAL FILM, OPTICAL COMPENSATION FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY - An optical film is provided and has retardations satisfying relations (1) to (3):
| 07-19-2012 |
20130003000 | OPTICAL FILM, OPTICAL COMPENSATION FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY - An optical film is provided and has retardations satisfying relations (1) to (3): | 01-03-2013 |
20130027634 | LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display device including: a liquid crystal cell sandwiched between a pair of absorption type polarizing plates; a reflection type polarizing plate; a phase difference film; a light collecting sheet; and a surface light source, wherein the liquid crystal cell sandwiched between a pair of absorption type polarizing plates, the reflection type polarizing plate, the phase difference film, the light collecting sheet, and the surface light source are disposed in this order from a display surface side, and the phase difference film has a λ/4 function and the light collecting sheet is formed of a refractive index isotropic material. | 01-31-2013 |
20130253182 | 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 | 09-26-2013 |
20140055732 | OPTICAL FILM, OPTICAL COMPENSATION FILM, POLARZING PLATE AND LIQUID CRYSTAL DISPLAY - An optical film is provided and has retardations satisfying relations (1) to (3): | 02-27-2014 |
20140377528 | OPTICAL FILM, OPTICAL COMPENSATION FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY - An optical film is provided and has retardations satisfying relations (1) to (3): | 12-25-2014 |
20150309348 | OPTICAL FILM, OPTICAL COMPENSATION FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY - An optical film is provided and has retardations satisfying relations (1) to (3): | 10-29-2015 |