Abstract: An impact-absorbing pressure-sensitive adhesive sheet according to an embodiment of the present invention includes an impact-absorbing pressure-sensitive adhesive layer including an impact-absorbing layer. A side surface of the impact-absorbing pressure-sensitive adhesive layer includes a tapered surface; and the tapered surface has a taper angle of 65° or more.

Abstract: An impact-absorbing pressure-sensitive adhesive sheet according to an embodiment of the present invention includes an impact-absorbing pressure-sensitive adhesive layer including an impact-absorbing layer. A side surface of the impact-absorbing pressure-sensitive adhesive layer includes a tapered surface; and the tapered surface has a taper angle of 65° or more.

Abstract: An impact-absorbing pressure-sensitive adhesive sheet according to an embodiment of the present invention includes an impact-absorbing pressure-sensitive adhesive layer including an impact-absorbing layer. A side surface of the impact-absorbing pressure-sensitive adhesive layer includes a tapered surface; and the tapered surface has a taper angle of 65° or more.

Abstract: An end face of a polarization plate cut by laser becomes a substantially flat surface having only sloping micro waviness because of having been melted once to be solidified. Since the surface has few stress-concentrated parts that may cause microcracks, this prevents microcracks from easily being produced.

Abstract: A method for continuously manufacturing a liquid crystal display device by bonding a polarizing film to a liquid crystal panel with a pressure-sensitive adhesive interposed therebetween, includes a polarizing film supply step including drawing an optical film laminate from the continuous roll placed in a dry environment, cutting at least a polarizing film and a pressure-sensitive adhesive, while leaving a carrier film uncut and feeding the sheet piece and the pressure-sensitive adhesive piece; a liquid crystal panel supply step including feeding the liquid crystal panel in a first humid environment having a relative humidity higher than that of the dry environment; and a bonding step including bonding the sheet piece to the liquid crystal panel with the pressure-sensitive adhesive piece interposed therebetween in a second humid environment having a relative humidity higher than that of the dry environment.

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: 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: A method for continuously manufacturing a liquid crystal display device by bonding a polarizing film to a liquid crystal panel with a pressure-sensitive adhesive interposed therebetween, includes a polarizing film supply step including drawing an optical film laminate from the continuous roll placed in a dry environment, cutting at least a polarizing film and a pressure-sensitive adhesive, while leaving a carrier film uncut and feeding the sheet piece and the pressure-sensitive adhesive piece; a liquid crystal panel supply step including feeding the liquid crystal panel in a first humid environment having a relative humidity higher than that of the dry environment; and a bonding step including bonding the sheet piece to the liquid crystal panel with the pressure-sensitive adhesive piece interposed therebetween in a second humid environment having a relative humidity higher than that of the dry environment.

Abstract: A strip-shaped polarizing film has a protective film strip conformably adhered to one surface thereof and a releasable liner conformably adhered to the other surface thereof and delivered from a film delivering station 1. After an appearance inspection, a lamination of the protective film strip and the polarizing film strip F is half-cut using a laser unit 11 to form an array of laminations each consisting of a protective film and a polarizing film F, with the releasable liner being left intact. Then, the polarizing films F are fed to a peeling mechanism 4. The peeling mechanism 4 feeds a forwardmost one the polarizing films F to a laminating mechanism 5 while peeling off the releasable liner therefrom by a knife-edged member. The forwardmost polarizing film F is laminated to a liquid-crystal panel W conveyed to the laminating mechanism by a panel transport apparatus 18 in synchronization of the feeding of the forwardmost polarizing film F.

Abstract: A strip-shaped polarizing film has a protective film strip conformably adhered to one surface thereof and a releasable liner conformably adhered to the other surface thereof and delivered from a film delivering station 1. After an appearance inspection, a lamination of the protective film strip and the polarizing film strip F is half-cut using a laser unit 11 to form an array of laminations each consisting of a protective film and a polarizing film F, with the releasable liner being left intact. Then, the polarizing films F are fed to a peeling mechanism 4. The peeling mechanism 4 feeds a forwardmost one the polarizing films F to a laminating mechanism 5 while peeling off the releasable liner therefrom by a knife-edged member. The forwardmost polarizing film F is laminated to a liquid-crystal panel W conveyed to the laminating mechanism by a panel transport apparatus 18 in synchronization of the feeding of the forwardmost polarizing film F.

Abstract: An end face of a polarization plate 10 cut by laser according to the present invention becomes a substantially flat surface having only sloping micro waviness 16 because of having been melted once to be solidified. Since the surface has few stress-concentrated part that may cause microcracks, this prevents microcracks from easily being produced.

Abstract: [Objects] To make it possible to carry out automatically and accurately a laminating operation of an optical element to a sheet-shaped body. [Means for Accomplishing the Objects] A strip-shaped polarizing film has a protective film strip conformably adhered to one surface thereof and a releasable liner conformably adhered to the other surface thereof and delivered from a film delivering station 1. After an appearance inspection, a lamination of the protective film strip and the polarizing film strip F is half-cut using a laser unit 11 to form an array of laminations each consisting of a protective film and a polarizing film F, with the releasable liner being left intact. Then, the polarizing films F are fed to a peeling mechanism 4. The peeling mechanism 4 feeds a forwardmost one the polarizing films F to a laminating mechanism 5 while peeling off the releasable liner therefrom by a knife-edged member.

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: 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: This invention relates to an optical film cutting method which includes cutting an optical film by irradiating the optical film with a laser beam under conditions that an energy per unit length is 0.12 to 0.167 J/mm and that a continuous irradiation time is 0.1 msec or less; as well as to an optical film that is cut by the cutting method and has a size of a raised part generated on a cutting surface thereof of 30 ?m or less. According to the optical film cutting method of this invention, it is possible to maintain the raised part size on the optical film cutting surface as small as possible even in the case where the laser beam has characteristics of a gaussian beam, thereby enabling prevention of bonding defect and optical defect when the optical film is incorporated into various optical panels.

Abstract: This invention relates to an optical film cutting method, which includes: a laser beam generation step of performing a waveform shaping of a laser beam to generate a laser beam having a rectangular waveform, and a cutting step of irradiating an optical film with the laser beam obtained by the laser beam generation step and having a rectangular waveform to thereby cut the optical film; as well as to an optical film that is cut by the cutting method and having a size of a raised part generated on a cutting surface thereof of 30 ?m or less.

Abstract: [Objects] To make it possible to carry out automatically and accurately a laminating operation of an optical element to a sheet-shaped body. [Means for Accomplishing the Objects] A strip-shaped polarizing film has a protective film strip conformably adhered to one surface thereof and a releasable liner conformably adhered to the other surface thereof and delivered from a film delivering station 1. After an appearance inspection, a lamination of the protective film strip and the polarizing film strip F is half-cut using a laser unit 11 to form an array of laminations each consisting of a protective film and a polarizing film F, with the releasable liner being left intact. Then, the polarizing films F are fed to a peeling mechanism 4. The peeling mechanism 4 feeds a forwardmost one the polarizing films F to a laminating mechanism 5 while peeling off the releasable liner therefrom by a knife-edged member.

Abstract: An impact-absorbing pressure-sensitive adhesive sheet according to an embodiment of the present invention includes an impact-absorbing pressure-sensitive adhesive layer including an impact-absorbing layer. A side surface of the impact-absorbing pressure-sensitive adhesive layer includes a tapered surface; and the tapered surface has a taper angle of 65° or more.