Method and apparatus for producing film roll, and film roll

Abstract

A method for producing a film roll of a wound film substrate includes, a spacer placing step for placing belt-like spacers respectively at both sides of the film substrate and at a middle portion of the film substrate between the sides such that the spacers extend in a longitudinal direction of the film substrate, and a winding step for winding the film substrate together with the placed spacers.

1 - 8 . (canceled) 
     
     
         9 . A method for producing a film roll of a wound film substrate, comprising the steps of:
 placing belt spacers respectively at both sides of the film substrate and at a middle portion of the film substrate between the sides such that the spacers extend in a longitudinal direction of the film substrate; and   winding the film substrate together with the placed spacers.   
     
     
         10 . The method of  claim 9 , wherein the film substrate includes a plurality of display panel formation regions arranged in a matrix for forming display panels, and the spacer at the middle portion is placed between the display panel formation regions. 
     
     
         11 . The method of  claim 9 , wherein the spacer at the middle portion has a width smaller than that of each of the spacers at the sides of the film substrate. 
     
     
         12 . The method of  claim 9 , wherein each of the spacers has a width of about 1 mm to about 50 mm. 
     
     
         13 . The method of  claim 9 , wherein each of the spacers has a thickness of about 0.25 mm to about 1 mm. 
     
     
         14 . A film roll production apparatus for producing a film roll of a wound film substrate, comprising:
 a rotatable roll core arranged to wind the film substrate; and   spacer introduction reels on which respective belt spacers are to be wound and which are respectively located at positions corresponding to both sides and a middle portion of the film substrate that is to be wound around the roll core such that the spacers are introduced from the spacer introduction reels onto the film substrate that is to be wound around the roll core.   
     
     
         15 . The apparatus of  claim 14 , wherein each of the spacer introduction reels is slidable substantially parallel to a rotation axis of the roll core. 
     
     
         16 . A film roll of a wound film substrate comprising belt spacers placed respectively at both sides of the film substrate and at a middle portion of the film substrate between the sides such that the spacers extend in a longitudinal direction of the film substrate.