Touch Screen with Bacteria Inhibition Layer and Manufacturing Method Thereof

Abstract

The present invention is to provide a touch screen having a bacteria inhibition layer for prohibiting bacteria from growing thereon and a method for manufacturing the same comprising uniformly dispersing particles of nano metal material in a solution to be applied to a surface treatment so that the solution can have a concentration of 20 ppm to 500 ppm; evenly spray coating the solution on a screen of the touch screen; and subjecting the solution coated on the screen of the touch screen to a heat treatment until solvent in the solution is completely evaporated so that the particles of the nano metal material are densely adhered to the screen of the touch screen to form a bacteria inhibition layer thereon.

1 - 5 . (canceled) 
     
     
         6 . A method for manufacturing a resistive touch screen, the method comprising:
 providing an organic substrate;   forming a dispersing solution by uniformly dispersing particles of nano-sized metal material in a solvent;   forming a surface treatment solution;   mixing the surface treatment solution with the dispersing solution to form a mixed solution;   coating a surface of the organic substrate of the resistive touch screen with the mixed solution; and   heating the organic substrate of the resistive touch screen until the solvent in the mixed solution is completely evaporated, and then subjecting the organic substrate of the resistive touch screen to an UV radiation, so that the particles of the nano-sized metal material form a bacteria inhibition layer thereon.   
     
     
         7 . The method of  claim 6 , wherein the organic substrate is formed of PET (polyethylene terephthalate). 
     
     
         8 . The method of  claim 6 , wherein in the step of forming a dispersing solution, the particles of nano-sized metal material are weighted 0.1 g dispersed in the solvent. 
     
     
         9 . The method of  claim 8 , wherein in the step of forming a dispersing solution, the solvent comprises methylethylketone that is weighted 100 g. 
     
     
         10 . The method of  claim 8 , wherein in the step of forming a dispersing solution, the particles of nano-sized metal material comprise particles of nano-sized silver (Ag). 
     
     
         11 . The method of  claim 6 , wherein in the step of forming a surface treatment solution, the surface treatment solution comprises a UV hardener. 
     
     
         12 . The method of  claim 11 , wherein the UV hardener comprises polybutene acrylate monomers that are weighted 900 g. 
     
     
         13 . The method of  claim 6 , wherein in the step of subjecting the organic substrate of the resistive touch screen to an UV radiation, the UV radiation has a power ranged from 40 W to 60 W. 
     
     
         14 . The method of  claim 6 , wherein in the step of forming a dispersing solution, the particles of the nano-sized metal material are uniformly dispersed in the solvent by a milling method or an ultrasonic vibration method. 
     
     
         15 . The method of  claim 6 , wherein in the step of coating a surface of the organic substrate of the resistive touch screen with the mixed solution, the surface of the organic substrate of the resistive touch screen is coated with the mixed solution by a spray coating method. 
     
     
         16 . The method of  claim 6 , wherein the nano-sized metal material has a diameter in the range of about 10 nm. 
     
     
         17 . The method of  claim 6 , wherein in the step of heating the organic substrate of the resistive touch screen, the organic substrate of the resistive touch screen is heated by an infrared heating. 
     
     
         18 . The method of  claim 17 , wherein the organic substrate is heated for 5 minutes by the infrared heating.