Patent application number | Description | Published |
20080273153 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS - The liquid crystal panel according to an embodiment of the present invention includes, in the stated order from a viewer side: a first polarizer; a first optical compensation layer; a liquid crystal cell; a second optical compensation layer; and a second polarizer, wherein:
| 11-06-2008 |
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 |
20090052028 | OPTICAL FILM, METHOD OF PRODUCING THE SAME, AND IMAGE DISPLAY APPARATUS USING THE OPTICAL FILM - An object of the present invention is to provide an optical film capable of contributing to reduction in thickness, preventing uneven heating, and favorably preventing light leak in black display, and an image display apparatus using such an optical film. An optical film of the present invention includes a polarizer, a first optical compensation layer having a refractive index profile of nx>ny=nz, and a second optical compensation layer having a refractive index profile of nx>ny>nz in the stated order. In the optical film, an angle formed between an absorption axis of the polarizer and a slow axis of the first optical compensation layer is +17° to +27° or −17° to −27°, an angle formed between the absorption axis of the polarizer and a slow axis of the second optical compensation layer is +85° to +95°, and an Nz coefficient of the second optical compensation layer is 1.2≦Nz≦2. | 02-26-2009 |
20090066886 | LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY - A liquid crystal panel of this invention has a first polarizer and a second polarizer disposed on both sides of a liquid crystal cell, and a first optical compensation layer disposed between the liquid crystal cell and the first polarizer, a second optical compensation layer disposed between the liquid crystal cell and the second polarizer, and a third optical compensation layer disposed between the first optical compensation layer and the second optical compensation layer, and wavelength dispersion of the liquid crystal cell satisfies Re | 03-12-2009 |
20090068472 | METHOD OF PRODUCING AN OPTICAL FILM, AND IMAGE DISPLAY APPARATUS USING THE OPTICAL FILM OBTAINED BY THE PRODUCTION METHOD - Provided is a method of producing an optical film having excellent durability and capable of contributing to reduction in thickness, preventing uneven heating, and favorably preventing light leak in black display. The method of producing an optical film includes the steps of: applying an application liquid containing a liquid crystal material to an alignment substrate; forming a first optical compensation layer on a substrate surface by aligning the liquid crystal material; transferring the first optical compensation layer to a surface of a transparent protective film; laminating a polarizer on the surface of the transparent protective film; and forming a second optical compensation layer on a surface of the first optical compensation layer. The polarizer and the first optical compensation layer are arranged on opposite sides through the transparent protective film. The first optical compensation layer and the second optical compensation layer are formed so that angles formed between respective slow axes and an absorption axis of the polarizer are set within specific ranges. | 03-12-2009 |
20090096966 | Liquid Crystal Cell Substrate With Color Filter, Liquid Crystal Cell And Liquid Crystal Display - The present invention provides a liquid crystal cell with a color filter having a transparent substrate and a color filter, where the retardation value Rth(B), Rth(G) and Rth(R) in the thickness direction, which is represented by the following formula (1) in the blue region, the green region and the red region of the color filter, satisfy the following formula (2) or (3): | 04-16-2009 |
20090128759 | LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY - A liquid crystal panel or the present invention comprising a liquid crystal cell, a first polarizer and a second polarizer provided on both sides of the liquid crystal cell, a first optical compensation layer provided between the liquid crystal cell and the first polarizer, and a second optical compensation layer provided between the liquid crystal cell and the second polarizer, wherein a wavelength dispersion of the liquid crystal cell satisfies Re | 05-21-2009 |
20090268133 | LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY DEVICE - The liquid crystal panel of the invention can restrain coloration following a change in the viewing angle when black is displayed, and can be produced into a relatively thin form. This panel has a liquid crystal cell | 10-29-2009 |
20090279031 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE SAME - A liquid crystal display apparatus is provided, in which excellent viewing angle compensation is conducted, and which is highly excellent in a contrast in an oblique direction and can be reduced in thickness. A liquid crystal panel of the present invention includes a first polarizer, a first optical compensation layer, a liquid crystal cell, a second optical compensation layer, and a second polarizer in the stated order. Each of the first optical compensation layer and the second optical compensation layer contains at least one polymer selected from the group consisting of polyimide, polyamide, polyester, polyetherketone, polyamideimide, and polyesterimide, and have a refractive index profile of nx>ny>nz. | 11-12-2009 |
20100066958 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS - An object of the present invention is to provide a liquid crystal panel and a liquid crystal display apparatus which can contribute to the reduction in thickness, realize a high contrast while enhancing viewing angle characteristics, suppress a color shift, and satisfactorily prevent the light leakage in a black display. A liquid crystal panel of the present invention includes a liquid crystal cell having a liquid crystal layer containing liquid crystal molecules that are vertically aligned in an absence of a voltage; a first optical compensation layer having a relationship of Nz=1 to 2.5 and a relationship of Re | 03-18-2010 |
20100110347 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS - There is provided a liquid crystal panel exhibiting a high contrast ratio and a liquid crystal display apparatus including the liquid crystal panel. The liquid crystal panel of the present invention includes a first polarizer, a first optical compensation layer, a liquid crystal cell, a second optical compensation layer, and a second polarizer in the stated order from a viewer side. The first optical compensation layer and the second optical compensation layer have a refractive index profile of nx>ny>nz, and a light transmittance (T | 05-06-2010 |
20100157195 | LAMINATED POLARIZING PLATE, METHOD FOR PRODUCTION THEREOF AND LIQUID CRYSTAL DISPLAY - The invention relates a long laminated polarizing plate (PL) comprising at least one reflective linear polarizer (Pr) having a transmission axis parallel to the longitudinal direction of the film, and at least one absorptive polarizer (Pa) having a transmission axis parallel to the longitudinal direction. In this long laminated polarizing plate (PL), the reflective linear polarizer (Pr) and the absorptive polarizer (Pa) are arranged such that their transmission axes are parallel to each other. The long laminated polarizing plate of the invention is excellent in productivity and is applicable to a large-sized liquid crystal display. | 06-24-2010 |
20100254114 | VIDEO IMAGE APPRECIATION SYSTEM - A video image appreciation system | 10-07-2010 |
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 |
20100284075 | VIDEO VIEWING FACILITY AND SELF-LUMINOUS DISPLAY - A video viewing facility is provided. A circularly polarized light source is provided outside a self-luminous display. The self-luminous display includes a first wave plate having a function of converting circularly polarized light into linearly polarized light; a polarizing film; a second wave plate having a function of converting circularly polarized light into linearly polarized light; a circularly polarized light separating film; and a self-luminous panel, in this order from a visible side of the self-luminous display. | 11-11-2010 |
20100300611 | METHOD FOR MANUFACTURING OPTICAL DISPLAY UNIT, AND SHEET MATERIAL AND ROLL FOR USE THEREIN - An optical display unit manufacturing method includes subjecting a sheet material having curling properties to half cutting and bonding the cut piece of the sheet material to a substrate with an adhesive interposed therebetween, while peeling off the member left uncut and can solve the problem of peeling of the cut piece of the sheet material during feeding after the half cutting in such a process, so that the cut piece of the sheet material can be bonded to the substrate in a satisfactory manner. A method for manufacturing an optical display unit comprising a step for feeding a continuous sheet material from a roll of the continuous sheet material, wherein the continuous sheet material comprises the optical member and a release film provided on one side of the optical member with the adhesive interposed therebetween, and cutting the sheet material by cutting means, while leaving the release film uncut and bonding the sheet material to the substrate with the adhesive interposed therebetween, while removing the release film. When no external force is applied, the sheet material curls in the longitudinal direction in such a way that the release film is facing inward. | 12-02-2010 |
20110025958 | OPTICAL DISPLAY DEVICE MANUFACTURING SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY DEVICE - Provided are an optical display device manufacturing system and a method for manufacturing an optical display device which can bond optical films to both surfaces of a liquid crystal cell in good condition with a simpler constitution. A first optical film F | 02-03-2011 |
20110032437 | VIDEO IMAGE EVALUATION EQUIPMENT - A video image evaluation equipment of the present invention is capable of converting circularly-polarized light emitted from a circularly polarizing light source into linearly-polarized light so as to transmit an absorption-type linear polarizer by a wavelength plate to be incident on a liquid crystal panel. This makes it possible to enter and reflect light emitted from the circularly polarizing light source on the liquid crystal panel without loss, which leads to display brighter video images than conventional ones. | 02-10-2011 |
20110037927 | LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY - A light source comprising sidelight type backlight light guide plate (L), wherein a transmittance angle dependent layer (T | 02-17-2011 |
20110043733 | ADHESIVE POLARIZATION PLATE, IMAGE DISPLAY AND METHODS FOR MANUFACTURING ADHESIVE POLARIZATION PLATE AND IMAGE DISPLAY - Provided is a pressure-sensitive adhesive polarizing plate, including: a polarizer (P); a transparent protective film (E) provided on only one side of the polarizer (P) with an adhesive layer (G) interposed therebetween; a pressure-sensitive adhesive layer (B) provided on another side of the polarizer (P) with a protective layer (H) having a tensile modulus of 100 MPa or more interposed therebetween. The pressure-sensitive adhesive polarizing plate satisfies durability even under harsh environments at a low temperature and a high temperature. | 02-24-2011 |
20110059327 | MATERIAL ROLL AND METHOD FOR MANUFACTURING MATERIAL ROLL - Provided are a material roll and a method for manufacturing the material roll in which lifting between base films and an optical film is hardly generated. Provided is a material roll (R), wherein a first base film (F | 03-10-2011 |
20110128477 | IMAGE DISPLAY DEVICE - Provided is an image display device including an image display cell and a polarizing plate placed on a viewer side of the image display cell. The first polarizing plate includes a polarizer and a first protective film. The first protective film is placed on a viewer-side principal surface of the polarizer and satisfies following relations: (i) 0 nm≦Re | 06-02-2011 |
20110194048 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display in which occurrence of iridescent unevenness is suppressed, even when a film with high level of mechanical properties, chemical resistance and water-barrier properties is used as a polarizer-protective-film. Also, disclosed is a polarizing plate to be used in the liquid crystal display. The liquid crystal display includes a liquid crystal cell, a light source, a first polarizing plate placed between the liquid crystal cell and the light source, and a second polarizing plate placed on a viewer side of the liquid crystal cell. The first polarizing plate includes a polarizer and a first protective film placed on a light source side principal surface of the first protective film, and the first protective film satisfies following relations: (i) 0 nm≦Re | 08-11-2011 |
20120003400 | LAMINATE OPTICAL BODY, OPTICAL FILM, LIQUID CRYSTAL DISPLAY APPARATUS USING SAID OPTICAL FILM, AND METHOD FOR PRODUCING LAMINATE OPTICAL BODY - The present invention provides a laminate optical body, which is excellent in production efficiency, shows an extremely small axis shift and can realize a liquid crystal display apparatus showing small display unevenness. The laminate optical body of the present invention includes an elongated polarizing film having an absorption axis in a short direction thereof, and including a base material layer and a hydrophilic polymer layer to which a dichromatic substance adsorbs; and an elongated retardation film having a slow axis in a lengthwise direction thereof. The polarizing film is a laminate including the base material layer and the hydrophilic polymer layer to which a dichromatic substance adsorbs. The laminate optical body is elongated. Preferably, the hydrophilic polymer layer has a thickness of 1 μm to 10 μm. | 01-05-2012 |
20130114026 | ADHESIVE COMPOSITION - An adhesive composition which allows for preventing misalignment when mutually laminating adherends, mutually strongly bonding the adherends when correction of lamination is not required, as well as peeling the adherends without causing any damage thereto when correction of lamination is required. The adhesive composition includes an adhesive base agent consisting of a monomer and a polymerization initiator. Adhesive strength of the adhesive composition changes to take a local maximum value, a local minimum value and a value greater than the local maximum value along with increase of irradiation amount of the electromagnetic wave or particle beam irradiated to the adhesive composition under a predetermined temperature environment. | 05-09-2013 |
20130118671 | ADHESIVE COMPOSITION AND METHOD FOR MANUFACTURING A LAMINATE USING THE ADHESIVE COMPOSITION - Adhesive composition according to the present invention includes an adhesive base agent consisting of a monomer and a polymerization initiator. Adhesion of the adhesive composition changes to take local maximum value, minimum value and a value greater than the local maximum value along with increase of irradiation amount of the electromagnetic wave or particle beam irradiated to the adhesive composition under a predetermined temperature environment. In a method for manufacturing a laminate according to the present invention allows for easy peeling of adherends and a layer of the adhesive composition when adhesion of the adhesive composition takes the minimum value. | 05-16-2013 |