Patent application number | Description | Published |
20090046224 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS - There is provided a liquid crystal panel, in which a color shift in an oblique direction is small even when observed from any azimuth angle of 0° to 360°, and the viewing angle in the horizontal direction is wide. A liquid crystal panel according to the present invention includes: a liquid crystal cell; a first polarizer placed on one side of the liquid crystal cell; a second polarizer placed on the other side of the liquid crystal cell; and a first optical compensation layer and a second optical compensation layer placed between the first polarizer and the second polarizer, wherein: the first optical compensation layer is placed between the first polarizer and the liquid crystal cell; a slow axis direction of the first optical compensation layer is substantially perpendicular to an absorption axis direction of the first polarizer; the first optical compensation layer has a refractive index profile of nx>ny≧nz; the first optical compensation layer includes a retardation film (A) which contains a polyvinyl acetal-based resin and whose in-plane retardation value (Re[750]) at a wavelength of 750 nm is larger than an in-plane retardation value (Re[550]) at a wavelength of 550 nm; the second optical compensation layer is placed between the first optical compensation layer and the second polarizer; and the second optical compensation layer has a refractive index profile of nx=ny>nz. | 02-19-2009 |
20090046228 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS - There are provided a liquid crystal panel and a liquid crystal display apparatus each having an excellent screen contrast, a small color shift, and small display unevenness. The liquid crystal panel includes a liquid crystal cell; a first polarizer placed on one side of the liquid crystal cell; a second polarizer placed on the other side of the liquid crystal cell; and at least two optical compensation layers including a first optical compensation layer and a second optical compensation layer placed between the first polarizer and the second polarizer. | 02-19-2009 |
20090109385 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal panel of the present invention includes at least a liquid crystal cell, a first polarizer disposed on one side of the liquid crystal cell, a second polarizer disposed on the other side of the liquid crystal cell and a retardation film (A) disposed between the liquid crystal cell and the first polarizer, wherein the retardation film (A) contains a thermoplastic polymer having at least a substituent (a) represented by the following formula (I) and its in-plane retardation value (Re[750]) at a wavelength of 750 nm is larger than its retardation value (Re[550]) at a wavelength of 550 nm. The liquid crystal panel has such an effect that it reduces coloring of characters or images and a color shift even if a screen is viewed from any direction at an angle range of 360°. | 04-30-2009 |
20090167999 | RETARDATION FILM, OPTICAL LAMINATED BODY, LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY - The retardation film of the present invention contains a thermoplastic polymer having at least a side chain component (A) oriented in a direction substantially orthogonal to a slow axis, and the absorption edge wavelength (λ | 07-02-2009 |
20100182693 | OPTICAL FILM, IMAGE DISPLAY DEVICE, DIETHYNYLFLUORENE, AND POLYMER THEREOF - An object of the present invention is to provide an optical film exhibiting a preferable wavelength dispersion and capable of being formed comparatively thinly. | 07-22-2010 |
20100249323 | RETARDATION FILM, METHOD OF PRODUCING THE SAME AND IMAGE DISPLAY DEVICE - The retardation film of the present invention contains at least one of an epoxy resin cured product and an epoxy (meth)acrylate resin cured product. In the retardation film of the present invention, in-plane birefringence index thereof at a wavelength of 590 nm is preferably 0.001 or more and a birefringence index in a thickness direction thereof at a wavelength of 590 nm is preferably 0.001 or more. | 09-30-2010 |
20100265579 | OPTICAL FILM AND METHOD FOR PRODUCTION THEREOF - The invention relates to an optical film containing polymers having different repeating units, and methods for production thereof. Further, the invention also relates to an optical laminate, a polarizing plate, and an image display device each using the optical film. | 10-21-2010 |
20100277679 | Liquid Crystal Panel and Liquid Crystal Display Apparatus - There are provided a liquid crystal panel and a liquid crystal display apparatus each having an excellent screen contrast, a small color shift, and small display unevenness. The liquid crystal panel includes a liquid crystal cell, a first polarizer, a second polarizer, a protective layer, a first optical compensation layer and a second optical compensation layer. The protective layer has relationships of 0 nm≦Δnd (550) 10 nm and 0 nm≦Rth(550) 20 nm. The first optical compensation layer has an absolute value of a photoelastic coefficient of | 11-04-2010 |
20100328772 | BIREFRINGENT FILM AND POLARIZER - An ester-based polymer to be used in the present invention has at least a repeating unit represented with the general formula (I). A and B are substituents substituted on a stilbene group. R | 12-30-2010 |
20110013278 | BIREFRINGENT FILM, POLARIZING PLATE, IMAGE DISPLAY, AND AROMATIC POLYESTER - The birefringent film of the present invention contains an aromatic polyester having a repeating unit represented by the following general formula (1). | 01-20-2011 |
20110176092 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY - [Object] The present invention provides a liquid crystal panel with which a display with extremely small change in color depending on a viewing direction can be realized, and a liquid crystal display including the same. | 07-21-2011 |
20110287224 | METHOD FOR PRODUCING RETARDATION FILM, OPTICAL FILM, IMAGE DISPLAY DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, AND RETARDATION FILM - It is an object to provide a method for producing a retardation film and the like, the retardation film contributing to cost reduction and enlargement of the screen of liquid crystal display devices having a high level of visibility. | 11-24-2011 |
20120308796 | POLYCARBONATE RESIN AND TRANSPARENT FILM FORMED THEREFROM - The polycarbonate resin of the invention includes a first structural unit derived from a dihydroxy compound represented by a general formula (1), a second structural unit derived from a dihydroxy compound represented by a general formula (2), and a third structural unit derived from at least one dihydroxy compound selected from the group consisting of a dihydroxy compound represented by a general formula (3), a dihydroxy compound represented by a general formula (4), a dihydroxy compound represented by a general formula (5), and a dihydroxy compound represented by a general formula (6), and in which the first structural unit derived from a dihydroxy compound represented by the general formula (1) accounts for 18% by mole or more of the polycarbonate resin. The above general formulae (1) to (6) are described in the specification of the present application. | 12-06-2012 |