| Patent application number | Description | Published |
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| 20090260738 | METHOD FOR MANUFACTURING OPTICAL DISPLAY DEVICE AND MATERIAL ROLL FOR USE THEREIN - The invention provides a method for manufacturing an optical display device including an optical display unit and an optical film that includes a polarizing plate and is bonded to the optical display unit. The method comprises the steps of: unwinding and feeding a long sheet material from a roll of the long sheet material, wherein the long sheet material includes the optical film, a pressure-sensitive adhesive layer and a release film laminated in this order and has undergone a slitting process in a direction parallel or at a constant angle to an absorption axis of the polarizing plate so that it has a width corresponding to a short or long side of the optical display unit; inspecting the optical film of the fed long sheet material to detect a defect; cutting a part of the long sheet material other than the release film into a length corresponding to a long or short side of the optical display unit, while separating the detected defect; bonding a non-defective cut piece of the optical film to a surface of the optical display unit; and rejecting a defect-containing part of the optical film. | 10-22-2009 |
| 20090263608 | SET OF MATERIAL ROLLS AND METHOD FOR PRODUCTION OF MATERIAL ROLL - There is provided a set of material rolls including two rolls that can be used simply by cutting each of them into a predetermined length and then can be bonded with high axis precision to an optical display unit in such a manner that their absorption axes can be orthogonal to each other, and is preferably less likely to produce defects from contamination of the system. There are also provided a method for production of the set of material rolls and a method for manufacturing an optical display device with the set of material rolls. The set of material rolls is for use in the process of bonding their pieces to both sides of an optical display unit, respectively, and includes: a first roll that is a roll of a long sheet material including a first optical film, a pressure-sensitive adhesive layer and a release film laminated in this order, wherein the first optical film includes a polarizing plate, and having undergone a slitting process in a direction parallel to the absorption axis of the polarizing plate so that it has a width corresponding to the short side of the optical display unit; and a second roll that is a roll of another long sheet material with a similar structure having undergone a slitting process in a direction parallel to the absorption axis of the polarizing plate so that it has a width corresponding to the long side of the optical display unit. | 10-22-2009 |
| 20100186890 | MANUFACTURING SYSTEM AND MANUFACTURING METHOD FOR OPTICAL DISPLAY DEVICE - 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 (M | 07-29-2010 |
| 20100206977 | METHOD FOR PRODUCING MATERIAL ROLL - The invention is directed to a method for producing a material roll for use in a process including unwinding a long sheet material from a roll of the long sheet material, wherein the long sheet material includes an optical film, a pressure-sensitive adhesive layer and a release film laminated in this order, and the optical film includes a polarizing plate, cutting at least the optical film to form an optical film having a specific length, and then bonding the optical film to a surface of a rectangular optical display unit, while feeding the optical film, the method comprising the steps of: lengthwise slitting a long material having a longitudinal direction parallel to an absorption axis of the polarizing plate, so that a long sheet material having a width corresponding to a short or long side of the optical display unit is obtained; and winding the long sheet material into a roll. | 08-19-2010 |
| 20100212822 | MANUFACTURING METHOD AND MANUFACTURING SYSTEM FOR OPTICAL DISPLAY DEVICE - The invention is directed to a method for manufacturing an optical display device comprising an optical film including a polarizing plate and a rectangular optical display unit having a surface to which the optical film is bonded, the method comprising the steps of: preparing a material roll which is a roll of a long sheet material obtained by lengthwise slitting a long material comprising an optical film into a width corresponding to a short or long side of the optical display unit, wherein the optical film includes a polarizing plate having a longitudinal direction parallel to its absorption axis; and unwinding the long sheet material from the material roll, cutting at least the optical film of the long sheet material to form an optical film having a length corresponding to a long or short side of the optical display unit, and then bonding the optical film to a surface of the optical display unit. | 08-26-2010 |
| 20100236702 | METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY ELEMENT - A method for manufacturing a liquid crystal display element is provided which simultaneously achieves the object of cutting an optical film without causing degradation in appearance and the object of preventing the film from being broken in a continuous bonding process, and includes: providing a long sheet material including a laminate of an optical film containing a polarizer, a pressure-sensitive adhesive layer, and a carrier film temporarily bonded to the pressure-sensitive adhesive layer; cutting the long sheet material at predetermined intervals, while maintaining the continuity of the carrier film; peeling off the carrier film by a tensile force; and continuously bonding the resulting optical film pieces to liquid crystal panels, respectively, through the pressure-sensitive adhesive layer exposed by the peeling off, while feeding the resulting optical film pieces, wherein the cutting is performed to such a depth as to substantially reach the carrier film, and the carrier film is cut to a depth less than half of the thickness of the carrier film at least both end portions in the width direction of the carrier film. | 09-23-2010 |
| 20100258249 | SYSTEM FOR MANUFACTURING OPTICAL DISPLAY UNIT AND FEED MECHANISM - Provided is a system for manufacturing an optical display unit and a feed mechanism, which can well prevent an optical film and a pressure-sensitive adhesive layer from being peeled from a release film. A pressure-sensitive adhesive type sheet material, wherein the optical film and the pressure-sensitive adhesive layer (film main body (F)) are cut without cutting a release film (F | 10-14-2010 |
| 20100258250 | SYSTEM FOR MANUFACTURING OPTICAL DISPLAY DEVICE - A system for manufacturing an optical display device having an optical display unit and an optical film bonded thereto and including a polarizing plate, the system including: a first cutting and bonding unit which performs a process including unwinding a long sheet material from a first roll of the long sheet material, wherein the long sheet material includes a first optical film, a pressure-sensitive adhesive layer and a release film laminated in this order; a second cutting and bonding unit which performs a process including unwinding a long sheet material from a second roll of the long sheet material, wherein the long sheet material includes a second optical film, a pressure-sensitive adhesive layer and a release film laminated in this order; and a turning unit which turns the optical display unit to the direction of bonding in the other cutting and bonding unit. | 10-14-2010 |
| 20100276078 | METHOD AND SYSTEM FOR MANUFACTURING OPTICAL DISPLAY DEVICE - It is provided that a method and a system for manufacturing an optical display device, which make it possible to bond an optical member and an optical display unit together with a certain degree of cleanliness maintained. The method for manufacturing an optical display device including an optical display unit (W) and an optical member ( | 11-04-2010 |
| 20100282406 | MANUFACTURING SYSTEM AND MANUFACTURING METHOD FOR OPTICAL DISPLAY DEVICE - 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 (M | 11-11-2010 |
| 20100283943 | ROLL OF OPTICAL FILM LAMINATE,AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - 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. | 11-11-2010 |
| 20100288420 | CONTINUOUS METHOD AND SYSTEM FOR MANUFACTURING LIQUID-CRYSTAL DISPLAY ELEMENTS - 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. | 11-18-2010 |
| 20100288432 | MANUFACTURING SYSTEM OF OPTICAL DISPLAY DEVICE AND MANUFACTURING METHOD OF OPTICAL DISPLAY DEVICE - A manufacturing system of an optical display device in which the following can be attained in the case of bonding optical members to optical display units, respectively: an optical member to be excluded, which is, for example, an optical member judged as a defective member, can be appropriately excluded so that the optical member is not bonded onto any optical display unit and a manufacturing method of an optical display device. The manufacturing system includes a cutting device | 11-18-2010 |
| 20100294418 | METHOD OF MANUFACTURING OPTICAL DISPLAY UNIT AND MANUFACTURING SYSTEM OF OPTICAL DISPLAY UNIT - 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. The method is characterized in that in the process of conveying sheet product, a predictive conveyance distance when conveying positional identification information provided to the sheet product from a first position upstream in the conveyance to a second position downstream of the first position in the conveyance is compared with a measured conveyance distance from the first position to the second position obtained by detecting the positional identification information by use of a detection means respectively at the first position and the second position, and the conveyance processing of the sheet product is corrected so that the measured conveyance distance is within the predetermined range of the predictive conveyance distance. | 11-25-2010 |
| 20100300606 | SET OF MATERIAL ROLLS AND METHOD FOR PRODUCTION OF MATERIAL ROLL - A set of material rolls is used for the process of bonding their pieces to both sides of an optical display unit, respectively, and includes: a first roll that is a roll of a long sheet material including a first optical film, a pressure-sensitive adhesive layer and a release film laminated in this order, wherein the first optical film includes a polarizing plate, and having undergone a slitting process in a direction parallel to the absorption axis of the polarizing plate so that it has a width corresponding to the short side of the optical display unit; and a second roll that is a roll of another long sheet material with a similar structure having undergone a slitting process in a direction parallel to the absorption axis of the polarizing plate so that it has a width corresponding to the long side of the optical display unit. | 12-02-2010 |
| 20100316817 | CONTINUOUS WEB OF OPTICAL FILM LAMINATE WITH PREDEFINED SLIT LINES, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - 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. | 12-16-2010 |
| 20100326589 | MANUFACTURING SYSTEM FOR AN OPTICAL DISPLAY DEVICE, MANUFACTURING METHOD FOR AN OPTICAL DISPLAY DEVICE, EXCLUDING DEVICE AND EXCLUDING METHOD - An optical display device manufacturing system for bonding a first optical member to an optical display unit, comprising an excluding device for excluding a second optical member as an object to be excluded from a long release film that carries the first and second optical members, wherein the excluding device includes a tape member; a tape member rolling means on which the tape member is rolled; a roller for exclusion around which the tape member unrolled from the tape member rolling means is wound; a drive mechanism for shifting the roller for exclusion; and a take-up means for taking up the tape member wound around the roller for exclusion, wherein the excluding device being configured so that when the roller for exclusion is shifted, the second optical member is attached to the tape member and taken up. | 12-30-2010 |
| 20110005656 | OPTICAL DISPLAY DEVICE MANUFACTURING SYSTEM AND OPTICAL DISPLAY DEVICE MANUFACTURING METHOD - Provided are an optical display device manufacturing system and an optical display device manufacturing method which can more preferably carry out a defect inspection. A detection condition of a defect in the inspection of an optical film before being bonded to an optical display unit carried out by a defect inspection apparatus ( | 01-13-2011 |
| 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 |
| 20110030884 | METHOD AND SYSTEM FOR MANUFACTURING OPTICAL DISPLAY DEVICE - 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. The system comprises an optical display unit supply device, an optical film supply device for supplying an optical film after the optical film is cut from a roll, a sticking device for sticking the optical film on the front surface of the optical display unit, a control device for controlling the operation or stop of each device, and a counting unit for counting the supply of the optical display unit, wherein the control device stores the number (N) of the optical display units to be stuck together substantially in accordance with the optical film existing from a connecting position of the optical film to a sticking position of the optical film and stops each device when the number (X) of the optical units that remains before a previous category of the optical display unit is stuck at the exchange time of categories is substantially equal to the number (N) of the optical display units in accordance with information from the counting unit. | 02-10-2011 |
| 20110047775 | OPTICAL MEMBER JOINING METHOD AND APPARATUS USING THE SAME - A processing speed of each mechanisms in a cutting section is controlled such that all polarizing films housed in a container in advance are used in a joining process and simultaneously a new container with polarizing films housed therein that are cut by a size of a liquid crystal panel is loaded from the cutting section. Here, a fracture included in the polarizing film is cut and removed in the cutting section while a delayed time due to this process is shortened by controlling at least a processing speed in a processing mechanism in a cutting mechanism among mechanisms provided in the cutting section and the joining section. | 03-03-2011 |
| 20110061801 | MANUFACTURING SYSTEM OF OPTICAL DISPLAY DEVICE AND MANUFACTURING METHOD OF OPTICAL DISPLAY DEVICE - A manufacturing system of an optical display device in which the following can be attained in the case of bonding optical members to optical display units, respectively: an optical member to be excluded, which is, for example, an optical member judged as a defective member, can be appropriately excluded so that the optical member is not bonded onto any optical display unit and a manufacturing method of an optical display device. The manufacturing system includes a cutting device | 03-17-2011 |
| 20110083789 | METHOD AND SYSTEM FOR CONTINUOUSLY MANUFACTURING LIQUID-CRYSTAL DISPLAY ELEMENT - A method and a system for continuously manufacturing liquid-crystal display elements, using a continuous optical film laminate which comprises at least an optically functional film having an adhesive layer provided thereon and a carrier film releasably laminated on said adhesive layer, the optically functional film including at least one defect-free region and at least one defect-containing region, the defect-free region having a predefined length corresponding to a dimension of a liquid-crystal panel, the defect-containing region including at least one defect and defined as a region having a predefined length which is different from the length of the defect-free region, slit lines being sequentially formed to extend in a transverse direction of the optical film laminate to form defect-free, normal optically functional film sheets and defect-containing optically functional film sheets. | 04-14-2011 |
| 20110083790 | METHOD AND SYSTEM FOR CONTINUOUSLY MANUFACTURING LIQUID-CRYSTAL DISPLAY ELEMENT - A method for continuously manufacturing liquid-crystal display elements includes steps of; continuously feeding an optical film laminate, calculating a length measurement data based on the feed length of the optical film laminate, detecting a mark provided to the optical film laminate indicating defect information in a polarizing composite film being detected in a preliminary inspection, sequentially forming slit lines in a transverse direction with respect to the feed direction of the optical film laminate, determining the polarizing composite film sheet separated by the respective slit lines is a defective polarizing sheet or a normal polarizing sheet, peeling a sheet determined to be a normal polarizing sheet from the carrier film, and laminating the normal polarizing sheet to a respective one of liquid-crystal panel. | 04-14-2011 |
| 20110083791 | INFORMATION STORING, READOUT AND CALCULATION SYSTEM FOR USE IN A SYSTEM FOR CONTINUOUSLY MANUFACTURING LIQUID-CRYSTAL DISPLAY ELEMENTS, AND METHOD FOR PRODUCING THE SAME - An information storage-readout-calculation system for use in a continuous manufacturing system of liquid-crystal display elements, comprising information storage medium for storing information of defects detected through a preliminary inspection of a continuous polarizing composite film included in a continuous optical film laminate, a roll of a continuous inspected optical film laminate being provided with identification means and a slitting position calculation means for determining defective-polarizing-sheet slitting positions to define defect-containing polarizing sheets having defects and normal-polarizing-sheet slitting positions to define defect-free polarizing sheets by using defect position information read out from the information storage medium based on the identification means, an, a method for manufacturing the information storage-readout-calculation system. | 04-14-2011 |
| 20110085125 | INFORMATION STORAGE/READOUT DEVICE FOR USE IN CONTINUOUSLY MANUFACTURING SYSTEM FOR LIQUID-CRYSTAL DISPLAY ELEMENTS, AND METHOD AND SYSTEM FOR PRODUCING THE SAME - 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. In continuous manufacturing of liquid-crystal display elements, the present invention can dramatically enhance product accuracy and manufacturing speed and drastically improve product yield. | 04-14-2011 |
| 20110086193 | ROLL OF CONTINUOUS WEB OF OPTICAL FILM LAMINATE WITH PREDEFINED SLIT LINES, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - A roll of a continuous web of an optical film laminate with predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate with predefined slit lines comprises an optically functional film having an adhesive layer which is subjected to a preliminary inspection, and a carrier film releasably laminated to the adhesive layer. Defect-free normal sheets and defective or defect-containing sheets having predefined length corresponding to the dimension of the liquid-crystal panel are formed on the carrier film by sequentially forming slit lines along the transverse direction with respect to the lengthwise direction of the optical film laminate. | 04-14-2011 |
| 20110104423 | SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY DEVICE, SET OF MATERIAL ROLLS AND METHOD FOR MANUFACTURE THEREOF - There are provided a system and a method for manufacturing an optical display device, in which optical films fed from two rolls which are the same in the direction of optical anisotropy, such as the direction of absorption axis, can be bonded to one and the other surfaces of an optical display unit so that the optical anisotropy of the one can be orthogonal to that of the other, and a set of material rolls and a method for manufacture thereof. A first optical film F | 05-05-2011 |
| 20110111667 | SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY DEVICE - There are provided a system and a method for manufacturing an optical display device, in which optical films fed from two rolls which are the same in the direction of optical anisotropy, such as the direction of absorption axis, can be bonded to one and the other surfaces of an optical display unit so that the optical anisotropy of the one can be orthogonal to that of the other. | 05-12-2011 |
| 20110143056 | OPTICAL FILM MATERIAL ROLL AND METHOD FOR MANUFACTURING IMAGE DISPLAY DEVICE USING THEREOF - Disclosed is a material roll that includes a roll of an optical film having defect information markings printed thereon and is resistant to the formation of a defect by the transfer of a bump/dent deformation at the marking site. The material roll includes a long sheet of an optical film with polarizer wound into roll shape; and marking(s) formed at or in a vicinity of at least one defect site. The marking has an optical density of 1.5 or more, and a thickness of a center part of the marking is 1.5 μm or less. The marking preferably has an optical density per unit thickness of 2.5 μm | 06-16-2011 |
| 20110284147 | ROLL OF CONTINUOUS WEB OF OPTICAL FILM LAMINATE WITH PREDEFINED SLIT LINES, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - A roll of a continuous web of an optical film laminate with predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate with predefined slit lines comprises an optically functional film having an adhesive layer which is subjected to a preliminary inspection, and a carrier film releasably laminated to the adhesive layer. Defect-free normal sheets and defective or defect-containing sheets having predefined length corresponding to the dimension of the liquid-crystal panel are formed on the carrier film by sequentially forming slit lines along the transverse direction with respect to the lengthwise direction of the optical film laminate. | 11-24-2011 |
| 20110306263 | Method for aligning film sheets and rectangular panels in display panel manufacturing system - A method for aligning film sheets and rectangular panels in a continuous manufacturing system of display panels, each of the film sheets being formed between two longitudinally adjacent slit lines, one on an upstream side and the other on a downstream side, and extending in a transverse direction with respect to a feeding direction of a strip shaped film laminate, such that the rectangular panels conveyed to the lamination position are overlapped with the film sheets conveyed to the lamination position. The method includes steps of; angularly adjusting the rectangular panel conveyed to the lamination position such that a center line extending in the feeding direction of the rectangular panels is parallel to the center line extending in the feeding direction of the film sheets conveyed to the lamination position; and position adjusting the angularly adjusted rectangular panels by shifting for a displacement from a position of the film sheets conveyed to the lamination position. | 12-15-2011 |
| 20110315297 | METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY PANELS - The invention is a method for continuously manufacturing an inspected liquid crystal display panel, includes: a liquid crystal cell feeding step including feeding a liquid crystal cell having a first substrate and a second substrate; a first polarizing plate providing step including providing a first polarizing plate from a first polarizing plate roll; a first polarizing plate laminating step including laminating the first polarizing plate to the first substrate; a second polarizing plate providing step including providing a second polarizing plate from a second polarizing plate roll; a second polarizing plate laminating step including laminating the second polarizing plate to the second substrate to obtain a liquid crystal display panel after laminating the first polarizing plate to the first substrate; and an inspecting step including optically inspecting the liquid crystal display panel without applying voltage to the liquid crystal panel, wherein the first substrate is less susceptible to electrostatic decay in the liquid crystal cell than the second substrate. | 12-29-2011 |
| 20120002153 | INFORMATION STORAGE/READOUT DEVICE FOR USE IN CONTINUOUSLY MANUFACTURING SYSTEM FOR LIQUID-CRYSTAL DISPLAY ELEMENTS, AND METHOD AND SYSTEM FOR PRODUCING THE SAME - 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. In continuous manufacturing of liquid-crystal display elements, the present invention can dramatically enhance product accuracy and manufacturing speed and drastically improve product yield. | 01-05-2012 |
| 20120002154 | INFORMATION STORAGE/READOUT DEVICE FOR USE IN CONTINUOUSLY MANUFACTURING SYSTEM FOR LIQUID-CRYSTAL DISPLAY ELEMENTS, AND METHOD AND SYSTEM FOR PRODUCING THE SAME - 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. In continuous manufacturing of liquid-crystal display elements, the present invention can dramatically enhance product accuracy and manufacturing speed and drastically improve product yield. | 01-05-2012 |
| 20120031552 | MATERIAL ROLL AND SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY DEVICE - Provided are a system and a method for manufacturing an optical display device and a material roll, which can effectively prevent the production of defective optical display devices even in a process including drawing a long sheet material from a material roll and bonding an optical film to an optical display unit, and which is a roll of a laminate of a first base film, a first pressure-sensitive adhesive layer, an optical film, a second pressure-sensitive adhesive layer, and a second base film, which are wound in the roll in this order from the outside, and has a width corresponding to the length of any one side of a rectangular optical display unit, wherein the adhering strength A of the first base film-side interface of the first pressure-sensitive adhesive layer, the adhering strength B of the optical film-side interface of the first pressure-sensitive adhesive layer, the adhering strength C of the optical film-side interface of the second pressure-sensitive adhesive layer, and the adhering strength D of the second base film-side interface of the second pressure-sensitive adhesive layer satisfy the relations A | 02-09-2012 |
| 20120055607 | METHOD OF PRODUCING ROLL OF OPTICAL FILM LAMINATE WITH POLARIZING FILM - A method of producing a roll of an optical film laminate including a polarizing film includes providing a roll of a separator film-attached optical film laminate which includes the steps of: a continuous web of an optical film laminate including a polarizing film which consists of a polyvinyl alcohol type resin layer and has a thickness of 10 μm or less, and a separator film attached to the optical film laminate through an adhesive layer; in a state after the separator film is peeled, detecting a defect existing in the optical film laminate and the adhesive layer; upon detection of a defect in the continuous web of optical film laminate, recording a position of the defect; and winding into a roll a separator film-attached optical film laminate formed by attaching a separator film to the adhesive layer. | 03-08-2012 |
| 20120055608 | METHOD OF PRODUCING ROLL OF LAMINATE STRIP WITH POLARIZING FILM - A method of producing a roll of an optical film laminate strip includes the steps of: forming an optical film laminate which includes an optical film having a continuous web of polarizing film, and a resin film bonded to the optical film; creating a reference mark to extend across the optical film laminate in a width direction thereof; performing a defect inspection for detecting a defect existing in the optical film, and, when a defect is detected, recording a position of the defect in the form of a laminate widthwise position and a laminate lengthwise position as measured from the reference mark; cutting the optical film laminate along a direction parallel to the length direction to form a plurality of continuous webs of laminate strips; based on the widthwise position of the defect detected by the defect inspection, determining which of the cut laminate strips has the defect, and, with respect to a specific laminate strip which is determined to have the defect, storing information about the defect together with identification information for identifying the specific laminate strip; and winding each of the laminate strips into a roll. | 03-08-2012 |
| 20120055622 | METHOD AND APPARATUS FOR SEQUENTIALLY LAMINATING OPTICAL FILM INCLUDING POLARIZING FILM, TO RECTANGULAR-SHAPED PANEL - A method of sequentially laminating a carrier film-attached optical film laminate to a rectangular-shaped panel having a long side and a short side, is provided. The optical film laminate includes an optical film including a thin polarizing film, and a carrier film attached to the optical film through an adhesive layer. The method includes the steps: forming a plurality of slits in the carrier film-attached optical film laminate in a width direction thereof at lengthwise given intervals to extend from a surface of the optical film on a side opposite to the carrier film to a depth reaching a surface of the carrier film adjacent to the optical film to thereby form an optical film sheet supported by the carrier film, between lengthwisely adjacent two of the slits; and laminating each of the optical film sheets to a respective one of the panels through the adhesive layer. | 03-08-2012 |
| 20120055623 | METHOD AND APPARATUS FOR CONTINUOUSLY PRODUCING OPTICAL PANEL ASSEMBLIES - A method of producing an optical panel assembly including the polarizing film in a continuous manner by laminating a polarizing film to a surface of a rectangular-shaped optical panel, is disclosed. The polarizing film is formed by performing a step of subjecting a laminate including a continuous web of a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to a 2-stage stretching consisting of a preliminary in-air stretching and an in-boric-acid-solution stretching, to reduce a thickness of the PVA type resin layer to 10 μm or less, and a step of causing a dichroic material to be absorbed in the PVA type resin layer. | 03-08-2012 |
| 20120056340 | METHOD OF PRODUCING ROLL OF LAMINATE STRIP WITH POLARIZING FILM - A method of producing a roll of an optical film laminate strip including a polarizing film includes the steps of: forming a continuous web of optical film laminate including a polarizing film which consists of a polyvinyl alcohol type resin layer and has a thickness of 10 μm or less, wherein the polarizing film is formed by performing an stretching sub-step of subjecting a laminate comprising a continuous web of thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate, to a uniaxial stretching in a lengthwise direction of the laminate based on 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching; cutting the continuous web of optical film laminate along a direction parallel to the length direction to form at least one continuous web of laminate strip having a given width; and winding the continuous web of laminate strip having the given width into a roll. | 03-08-2012 |
| 20120058291 | ROLL OF CONTINUOUS WEB OF OPTICAL FILM LAMINATE AND PRODUCTION METHOD THEREFOR - A method of producing a roll of a continuous web of an optical film laminate, usable in a process of laminating an optical film sheet including a polarizing film and formed to a size corresponding to that an optical panel to a surface of the optical panel being fed to a lamination position, is disclosed. The polarizing film is prepared by subjecting a laminate including a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to uniaxial 2-stage stretching to reduce a thickness of the PVA type resin layer to 10 μm or less, and causing a dichroic material to be absorbed in the PVA type resin layer. A carrier film is releasably attached to the continuous web of optical film laminate including the polarizing film, through an adhesive layer. A defect inspection is performed for the optical film laminate and the adhesive layer. | 03-08-2012 |
| 20120071057 | SYSTEM AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY ELEMENT - There are provided a system and a method for manufacturing a liquid crystal display element, which make it possible to perform a lamination process in a smaller installation space, and which are provided to perform a process including turning over and horizontally rotating a liquid crystal panel using a panel turning unit, feeding optical functional films from first and second continuous rolls, respectively, using film feeding lines arranged linearly in planar view, feeding the liquid crystal panel using a panel feeding line placed above the film feeding lines in an overlapping manner and shaped linearly in planar view, and bonding each of the optical functional films, which are fed from the first and second rolls, to the liquid crystal panel from below. | 03-22-2012 |
| 20120073758 | ROLL OF CONTINUOUS WEB OF OPTICAL FILM LAMINATE WITH PREDEFINED SLIT LINES, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - A roll of a continuous web of an optical film laminate with predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate with predefined slit lines comprises an optically functional film having an adhesive layer which is subjected to a preliminary inspection, and a carrier film releasably laminated to the adhesive layer. Defect-free normal sheets and defective or defect-containing sheets having predefined length corresponding to the dimension of the liquid-crystal panel are formed on the carrier film by sequentially forming slit lines along the transverse direction with respect to the lengthwise direction of the optical film laminate. | 03-29-2012 |
| 20120103532 | SYSTEM FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device manufacturing system having high productivity per space for installation of manufacturing equipment and making it possible to increase safety by separation of a feed path and a working path and to reduce equipment cost. The system includes a pair of manufacturing apparatuses | 05-03-2012 |
| 20120160406 | METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY ELEMENT - A method for manufacturing a liquid crystal display element, includes: providing a long sheet material including a laminate of an optical film containing a polarizer, a pressure-sensitive adhesive layer, and a carrier film temporarily bonded to the pressure-sensitive adhesive layer; cutting the long sheet material at predetermined intervals, while maintaining the continuity of the carrier film; peeling off the carrier film by a tensile force; and continuously bonding the resulting optical film pieces to liquid crystal panels, respectively, through the pressure-sensitive adhesive layer exposed by the peeling off, while feeding the resulting optical film pieces, wherein the cutting is performed to such a depth as to substantially reach the carrier film, and the carrier film is cut to a depth less than half of the thickness of the carrier film at least both end portions in the width direction of the carrier film. | 06-28-2012 |
| 20120160420 | CONTINUOUS METHOD AND SYSTEM FOR MANUFACTURING LIQUID-CRYSTAL DISPLAY ELEMENTS - 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. | 06-28-2012 |
| 20120180930 | ROLL OF OPTICAL FILM LAMINATE, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - 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. | 07-19-2012 |
| 20120199265 | OPTICAL FILM MATERIAL ROLL AND METHOD FOR MANUFACTURING IMAGE DISPLAY DEVICE USING THEREOF - Disclosed is a material roll that includes a roll of an optical film having defect information markings printed thereon and is resistant to the formation of a defect by the transfer of a bump/dent deformation at the marking site. The material roll includes a long sheet of an optical film with polarizer wound into roll shape; and marking(s) formed at or in a vicinity of at least one defect site. The marking has an optical density of 1.5 or more, and a thickness of a center part of the marking is 1.5 μm or less. The marking preferably has an optical density per unit thickness of 2.5 μm | 08-09-2012 |
| 20120211167 | CONTINUOUS WEB OF OPTICAL FILM LAMINATE WITH PREDEFINED SLIT LINES, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - 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. | 08-23-2012 |
| 20120216937 | CONTINUOUS WEB OF OPTICAL FILM LAMINATE WITH PREDEFINED SLIT LINES, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - 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. | 08-30-2012 |
| 20130037219 | SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY DEVICE, SET OF MATERIAL ROLLS AND METHOD FOR MANUFACTURE THEREOF - 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. | 02-14-2013 |
| 20130044374 | SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY DEVICE, SET OF MATERIAL ROLLS AND METHOD FOR MANUFACTURE THEREOF - 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. | 02-21-2013 |
| 20130045350 | SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY DEVICE, SET OF MATERIAL ROLLS AND METHOD FOR MANUFACTURE THEREOF - 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. | 02-21-2013 |
| 20130114139 | METHOD OF PRODUCING ROLL OF LAMINATE STRIP WITH POLARIZING FILM - A method of producing a roll of an optical film laminate strip including a polarizing film includes the steps of: forming a continuous web of optical film laminate including a polarizing film which consists of a polyvinyl alcohol type resin layer and has a thickness of 10 μm or less, wherein the polarizing film is formed by performing an stretching sub-step of subjecting a laminate comprising a continuous web of thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate, to a uniaxial stretching in a lengthwise direction of the laminate based on 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching; cutting the continuous web of optical film laminate along a direction parallel to the length direction to form at least one continuous web of laminate strip having a given width; and winding the continuous web of laminate strip having the given width into a roll. | 05-09-2013 |
| 20130168016 | MANUFACTURING SYSTEM AND MANUFACTURING METHOD FOR OPTICAL DISPLAY DEVICE - A manufacturing system and manufacturing method for an optical display device, which adheres upper and lower optical films to the optical display device using two rolls having optical anisotropies in the same direction, so that the optical anisotropies are orthogonal to each other. The manufacturing system includes a first feeding device for feeding a first optical film after cutting to a predetermined length, and a second feeding device for feeding a second optical film after cutting to a predetermined length. The first feeding device and the second feeding device correspond to the longer side and the shorter side of the optical display unit, so that the optical film having a width corresponding to the shorter side may be cut to a length corresponding to the longer side, whereas the optical film having a width corresponding to the longer side may be cut to a length corresponding to the shorter side. | 07-04-2013 |
| 20140186568 | ROLL OF CONTINUOUS WEB OF OPTICAL FILM LAMINATE AND PRODUCTION METHOD THEREFOR - A method of producing a roll of a continuous web of an optical film laminate, usable in a process of laminating an optical film sheet including a polarizing film and formed to a size corresponding to that an optical panel to a surface of the optical panel being fed to a lamination position, is disclosed. The polarizing film is prepared by subjecting a laminate including a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to uniaxial 2-stage stretching to reduce a thickness of the PVA type resin layer to 10 μm or less, and causing a dichroic material to be absorbed in the PVA type resin layer. A carrier film is releasably attached to the continuous web of optical film laminate including the polarizing film, through an adhesive layer. A defect inspection is performed for the optical film laminate and the adhesive layer. | 07-03-2014 |
