Abstract: 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 F11 is fed in an orthogonal direction with respect to the width direction from a first material roll R1 formed by winding the first optical film F11 in such a manner that an absorption axis B1 extends in the orthogonal direction, and then the first optical film F11 is cut and bonded to one surface of a liquid crystal cell. A second optical film F21 is fed in an orthogonal direction with respect to the width direction from a second material roll R2 formed by winding the second optical film F21 in such a manner that an absorption axis B2 extends in the width direction, and then the second optical film F21 is cut and bonded to the other surface of the liquid crystal cell.

Abstract: A system for manufacturing an optical display device includes an optical display unit feeding apparatus with a counting section counting the number of optical display units fed, an optical film feeding apparatus with a roll exchanging section exchanging a roll of a previous category for a roll of a latter category and joining the optical films on each, a bonding apparatus bonding a cut optical film onto a surface of an optical display unit, and a controller storing the number N of optical display units that are bonded correspondingly with the optical films that are present from a joining position to a bonding position of the optical film, and stops the apparatuses when the number of remaining sheets of the optical display units of the previous category prior to bonding becomes substantially equal to the number N at the time of exchanging categories based on information from the counting section.

Abstract: An optical film laminate that has predefined slit lines for enhancing both product accuracy and manufacturing speed in liquid-crystal display element manufacturing to radically improve manufacturing yield. The optical film laminate formed as a continuous web with the predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate having defect-free regions having a predefined length corresponding to the dimension of a liquid-crystal panel and defective regions having a predefined length different from the defect-free region, based on the detected position of defects. The optical film laminate having a carrier film releasably laminated to an adhesive layer, wherein defect-free normal polarizing sheets and a defective polarizing sheets are formed on the carrier film by forming slit lines corresponding to above regions along the transverse direction of the optical film laminate.

Abstract: Provided are a method and system for manufacturing optical display device that can make a previous category of an optical film remain less in the device at the exchange time of categories of optical films.

Abstract: The invention provides a manufacturing system and a manufacturing method of an optical display device which can bond an optical film to one surface and the other surface of an optical display unit in such a manner that optical anisotropies are orthogonal, by using two material rolls in which their optical anisotropies are the same direction such as an absorption axis.

Abstract: The invention is to provide a method for manufacturing a joined sheet product. The method comprising a first joining step including opposing a transverse end face of a first sheet product(1) to a transverse end face of a second sheet product(2) and joining release films of the first and second sheet products with a first joining member(30); a removing step including removing a portion of an intended member including at least a surface protecting member so as to leave at least the release film and a pressure-sensitive adhesive provided on the release film among the constituent members of both or any one of the first and second sheet products(1, 2), wherein the portion has a predetermined length from the transverse end face of the intended member; and a second joining step including providing a second joining member(40) on at least an exposed portion(40b) resulting from the removal of the intended member to join the surface protecting member sides of the first and second sheet products(1, 2).

Abstract: Provided are a manufacturing system and a manufacturing method for an optical display device, which are enabled to adhere upper and lower optical films to an optical display device by using two rolls having optical anisotropies such as absorption axes in the same direction, so that the optical anisotropies may be orthogonal to each other. In the manufacturing system for the optical display device, the optical films are adhered to an optical display unit (W). The manufacturing system comprises a feeding device (M2) for a first optical film (F11) to be fed after cut to a predetermined length, and a feeding device (M5) for a second optical film (F21) to be fed after cut to a predetermined length.

Abstract: An information storage/readout device for use in a system for continuously manufacturing liquid-crystal display elements comprises an information storage medium which stores therein slitting position information created based on the position of a defect detected by an inspection of a continuous polarizing composite film included in a continuous optical film laminate including a continuous polarizing composite film formed with an adhesive layer and a continuous carrier film releasably laminated on the adhesive layer, to indicate defective-polarizing-sheet slitting positions defining a defective or defect-containing polarizing sheet, and normal-polarizing-sheet slitting positions defining a normal or defect-free polarizing sheet, in the continuous inspected optical film laminate, and a roll of the continuous inspected optical film laminate which is provided with an identification indicia.

Abstract: A system for manufacturing an optical display device includes providing a roll of a belt-shaped sheet material including an optical film and a release film, which has score lines previously formed by cutting layers of the material other than the release film. The optical film is bonded to a rectangular optical display unit of the display device. In the bonding steps, a first optical film is divided by the score lines into pieces each having a length corresponding to a long side of the display unit, and a second optical film is divided by the score lines into pieces each having a length corresponding to a short side of the display unit. The first optical film has a first polarizing plate whose longitudinal direction is parallel to its absorption axis, and the second optical film has a second polarizing plate whose longitudinal direction is parallel to its absorption axis.

Abstract: An information storage/readout device for use in a system for continuously manufacturing liquid-crystal display elements comprises an information storage medium which stores therein slitting position information created based on the position of a defect detected by an inspection of a continuous polarizing composite film included in a continuous optical film laminate including a continuous polarizing composite film formed with an adhesive layer and a continuous carrier film releasably laminated on the adhesive layer, to indicate defective-polarizing-sheet slitting positions defining a defective or defect-containing polarizing sheet, and normal-polarizing-sheet slitting positions defining a normal or defect-free polarizing sheet, in the continuous inspected optical film laminate, and a roll of the continuous inspected optical film laminate which is provided with an identification indicia.

Abstract: The invention provides a production management system and a production management method which are applied to an optical display device production system which can more precisely carry out a production management. A memory stores a panel information allocated per an optical display unit, and a roll information including a positional information of optical films in a material roll before the optical films bonded to the optical display unit are cut so as to coordinate. A position in the material roll before the optical films bonded to the optical display unit are cut is specified based on the panel information corresponding to the optical display unit of the optical display device determined by an inspecting apparatus that a defect exists, and the roll information coordinated to the panel information. If it is possible to recognize what position in what material roll the defect exists, as mentioned above, it is possible to carry out a production management more precisely.

Abstract: A continuous manufacturing method and system for liquid-crystal display elements which enhances accuracy, increases speed and improves in yield in the continuous production of liquid crystal elements. The continuous method and system performs steps of, defining a plurality of defective and normal-polarizing-sheet slitting positions on a continuous web of optical film, based on positions of defects existing in the optical film, and applying only normal polarizing sheets to a liquid-crystal panel. The polarizing sheet includes the defective and normal-polarizing-sheet slitting positions recorded as encoded information which is used to determine whether the polarizing sheet defined between slit lines sequentially formed in the continuous web, is a normal polarizing sheet, peeling the normal polarizing sheet from the carrier film and applying the normal polarizing sheet to the liquid-crystal panel.

Abstract: A roll of optical-film laminate that increases accuracy, speed and yield in the production of liquid-crystal display elements. The roll of optical film laminate is for use in an apparatus for continuously producing liquid-crystal display elements. The optical film comprises a polarizing composite film of a laminate having a continuous web of polarizer and a protective film superposed on one side of the continuous polarizer, an adhesive layer disposed on one side of the laminate; and a carrier film superposed on the adhesive layer of the polarizing film in a peelable state. Defective and normal regions in the polarizing film are determined. According to these determined regions, coded information that specifies positions of slit lines to be formed in the optical-film web are recorded on the continuous web.

Abstract: An optical film laminate that has predefined slit lines for enhancing both product accuracy and manufacturing speed in liquid-crystal display element manufacturing to radically improve manufacturing yield. The optical film laminate formed as a continuous web with the predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate having defect-free regions having a predefined length corresponding to the dimension of a liquid-crystal panel and defective regions having a predefined length different from the defect-free region, based on the detected position of defects. The optical film laminate having a carrier film releasably laminated to an adhesive layer, wherein defect-free normal polarizing sheets and a defective polarizing sheets are formed on the carrier film by forming slit lines corresponding to above regions along the transverse direction of the optical film laminate.

Abstract: The invention is to provide a process for production of a connected sheet product, which makes it possible to connect opposed end faces of two or more sheet products. A process for production of a connected sheet product including sheet products that are connected to one another and each have at least an optical member and a release film provided on one side of the optical member with a pressure-sensitive adhesive interposed therebetween, comprising: opposing a transverse end face of a first sheet product to a transverse end face of a second sheet product; connecting release films of the first and second sheet products with a connecting member (30a); and connecting surface members of the first and second sheet products with a connecting member (30b) on the opposite side from the release films.

Abstract: An optical film laminate that has predefined slit lines for enhancing both product accuracy and manufacturing speed in liquid-crystal display element manufacturing to radically improve manufacturing yield. The optical film laminate formed as a continuous web with the predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate having defect-free regions having a predefined length corresponding to the dimension of a liquid-crystal panel and defective regions having a predefined length different from the defect-free region, based on the detected position of defects. The optical film laminate having a carrier film releasably laminated to an adhesive layer, wherein defect-free normal polarizing sheets and a defective polarizing sheets are formed on the carrier film by forming slit lines corresponding to above regions along the transverse direction of the optical film laminate.

Abstract: A roll of optical-film laminate that increases accuracy, speed and yield in the production of liquid-crystal display elements. The roll of optical film laminate is for use in an apparatus for continuously producing liquid-crystal display elements. The optical film comprises a polarizing composite film of a laminate having a continuous web of polarizer and a protective film superposed on one side of the continuous polarizer, an adhesive layer disposed on one side of the laminate; and a carrier film superposed on the adhesive layer of the polarizing film in a peelable state. Defective and normal regions in the polarizing film are determined. According to these determined regions, coded information that specifies positions of slit lines to be formed in the optical-film web are recorded on the continuous web.

Abstract: A manufacturing system is provided with a supplying apparatus of a first sheet material supplying after cutting into a predetermined length, and a supplying apparatus of a second sheet material supplying after cutting into a predetermined length, and the supplying apparatus of the first sheet material and the supplying apparatus of the second sheet material are structured such that one supplying apparatus cuts a long sheet material having a width corresponding to a short side into a length corresponding to a long side, and the other supplying apparatus cuts a long sheet material having a width corresponding to the long side into a length corresponding to the short side, in correspondence to the long side and the short side of the optical display unit.

Abstract: A roll of optical-film laminate that increases accuracy, speed and yield in the production of liquid-crystal display elements. The roll of optical film laminate is for use in an apparatus for continuously producing liquid-crystal display elements. The optical film comprises a polarizing composite film of a laminate having a continuous web of polarizer and a protective film superposed on one side of the continuous polarizer, an adhesive layer disposed on one side of the laminate; and a carrier film superposed on the adhesive layer of the polarizing film in a peelable state. Defective and normal regions in the polarizing film are determined. According to these determined regions, coded information that specifies positions of slit lines to be formed in the optical-film web are recorded on the continuous web.

Abstract: Provided are a method of manufacturing an optical display unit and a manufacturing system of the optical display unit wherein in the case of sticking an optical film to an optical display substrate, a defective optical film is eliminated optimally and precision of the elimination can be confirmed.