Plastic substrate with improved hardness and display device including the same

Abstract

A plastic substrate includes: a plastic support member having light transmittance; and a first organic-inorganic hybrid layer on the plastic support member. The first organic-inorganic hybrid layer includes: a first organic-inorganic hybrid matrix; and ions implanted into the first organic-inorganic hybrid matrix at a side opposite to a side adjacent the plastic support member. An amount of the ions per unit area is in a range from about 2×10 13 /cm 2 to about 2×10 14 /cm 2 .

What is claimed is: 
     
         1 . A plastic substrate comprising:
 a plastic support member having light transmittance; and   a first organic-inorganic hybrid layer on the plastic support member, the first organic-inorganic hybrid layer comprising:
 a first organic-inorganic hybrid matrix; and 
 ions implanted into the first organic-inorganic hybrid matrix at a side opposite to a side adjacent the plastic support member, 
   wherein an amount of the ions per unit area is in a range from about 2×10 13 /cm 2  to about 2×10 14 /cm 2 .   
     
     
         2 . The plastic substrate as claimed in  claim 1 , wherein an implantation depth of the ions is in a range from about 300 nm to about 400 nm. 
     
     
         3 . The plastic substrate as claimed in  claim 1 , wherein the ions are implanted at an energy in a range from about 60 keV to about 80 keV. 
     
     
         4 . The plastic substrate as claimed in  claim 1 , wherein the ions comprise at least one of a boron (B) ion and a nitrogen (N) ion. 
     
     
         5 . The plastic substrate as claimed in  claim 1 , wherein the first organic-inorganic hybrid matrix comprises a silicone resin and a polymer resin. 
     
     
         6 . The plastic substrate as claimed in  claim 1 , wherein the first organic-inorganic hybrid layer has a thickness ranging from about 2 μm to about 20 μm. 
     
     
         7 . The plastic substrate as claimed in  claim 1 , wherein the plastic support member comprises at least one selected from the group consisting of: a polycarbonate (PC) film, a polyacrylic film, a polymethyl methacrylate (PMMA) film, a polyimide (PI) film, a polyethylene (PET) film, a polypropylene (PP) film, a polystyrene (PS) film, a polyamide (PA) film, a polyacetal (POM) film, a polybutylene terephthalate (PBT) film, a cellulose film and an acrylic-polycarbonate copolymer alloy film. 
     
     
         8 . The plastic substrate as claimed in  claim 1 , further comprising a first inorganic layer between the plastic support member and the first organic-inorganic hybrid layer. 
     
     
         9 . The plastic substrate as claimed in  claim 8 , further comprising a second organic-inorganic hybrid layer between the plastic support member and the first inorganic layer. 
     
     
         10 . The plastic substrate as claimed in  claim 1 , further comprising a first organic layer between the plastic support member and the first organic-inorganic hybrid layer. 
     
     
         11 . A method of manufacturing a plastic substrate, the method comprising:
 forming a first organic-inorganic hybrid matrix on a plastic support member, the plastic support member having light transmittance; and   implanting ions into the first organic-inorganic hybrid matrix,   wherein an amount of the ions per unit area is in a range from about 2×10 13 /cm 2  to about 2×10 14 /cm 2 .   
     
     
         12 . The method as claimed in  claim 11 , wherein an implantation depth of the ions is in a range from about 300 nm to about 400 nm. 
     
     
         13 . The method as claimed in  claim 11 , wherein the ions are implanted at an energy in a range from about 60 keV to about 80 keV. 
     
     
         14 . The method as claimed in  claim 11 , wherein the ions comprise at least one of a boron (B) ion and a nitrogen (N) ion. 
     
     
         15 . A display device comprising:
 a display panel; and   a window on the display panel, the window comprising:
 a plastic support member having light transmittance; and 
 a first organic-inorganic hybrid layer on the plastic support member, the first organic-inorganic hybrid layer comprising ions implanted at a side opposite to a side adjacent the plastic support member, 
   wherein an amount of the ions per unit area is in a range from about 2×10 13 /cm 2  to about 2×10 14 /cm 2 .