Photocurable composition, barrier layer including the same, and encapsulated apparatus including the same

Abstract

A photocurable composition includes (A) a photocurable monomer and (B) a silicon-containing monomer or oligomer thereof, the silicon-containing monomer being represented by Formula 1

What is claimed is: 
     
         1 . A photocurable composition, comprising:
 a photocurable monomer; and   a silicon-containing monomer or oligomer thereof, the silicon-containing monomer being represented by Formula 1:   
       
         
           
           
               
               
           
         
         wherein, in Formula 1, 
         X 1  and X 2  are the same or different and are O, S, N—H, or N—R′; R′ is a substituted or unsubstituted C1-C20 alkyl group; R 1  and R 2  are the same or different and are a single bond, a substituted or unsubstituted C1-C20 alkylene group, a substituted or unsubstituted C1-C30 alkyl ether group, a substituted or unsubstituted C1-C30 alkylamine group, a substituted or unsubstituted C1-C30 alkyl sulfide group, a substituted or unsubstituted C6-C30 arylene group, a substituted or unsubstituted C7-C30 arylalkylene group, or a substituted or unsubstituted C1-C20 alkoxylene group; Y 1 , Y 2 , Y 3 , Y 4 , Y 5 , and Y 6  are the same or different and are hydrogen, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkyl ether group, a substituted or unsubstituted C1-C30 dialkylamine group, a substituted or unsubstituted C1-C30 alkyl sulfide group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C7-C30 aryl alkyl group, a substituted or unsubstituted C1-C30 alkylene group, a substituted or unsubstituted C1-C30 alkoxylene group, or a compound represented by Formula 2 or 3: 
       
       
         
           
           
               
               
           
         
       
       wherein * represents a binding site for Si in Formula 1; R 3 , R 4 , R 5 , R 6 , R 7 , and R 8  are the same or different and are hydrogen, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkyl ether group, a substituted or unsubstituted C1-C30 dialkylamine group, a substituted or unsubstituted C1-C30 alkyl sulfide group, a substituted or unsubstituted C6-C30 aryl group, or a substituted or unsubstituted C7-C30 aryl alkyl group; X 3  is O, S, N—H, or N—R′; R′ is a substituted or unsubstituted C1-C20 alkyl group; Z 1  and Z 2  are the same or different and are a compound represented by Formula 4: 
       
         
           
           
               
               
           
         
       
       wherein * represents a binding site for R 1  or R 2  in Formula 1, R 9  is hydrogen, or a substituted or unsubstituted C1-C30 alkyl group; and n is an integer, n being from 0 to about 30 or an average value of n being about 30 or less. 
     
     
         2 . The photocurable composition as claimed in  claim 1 , wherein the silicon-containing monomer includes one or more of 1,3-bis(3-(meth)acryloxypropyl)tetramethyldisiloxane, 1,3-bis(3-(meth)acryloxypropyl)tetrakis(trimethylsiloxy)disiloxane, or a monomer represented by Formula 5: 
       
         
           
           
               
               
           
         
         wherein Z 1 , Z 2 , R 1 , R 2  and n are as defined in Formula 1. 
       
     
     
         3 . The photocurable composition as claimed in  claim 1 , wherein the photocurable monomer includes a monomer having about 1 to about 30 of a substituted or unsubstituted vinyl group, about 1 to about 30 of a substituted or unsubstituted acrylate group, or about 1 to about 30 of a substituted or unsubstituted methacrylate group. 
     
     
         4 . The photocurable composition as claimed in  claim 1 , wherein the photocurable monomer includes one or more of a mono(meth)acrylate having a C1-C20 alkyl group, a di(meth)acrylate of a C2-C20 diol, a tri(meth)acrylate of a C3-C20 triol, or a tetra(meth)acrylate of a C4-C20 tetraol. 
     
     
         5 . The photocurable composition as claimed in  claim 1 , comprising:
 about 1 to about 99 parts by weight of the photocurable monomer and about 1 to about 99 parts by weight of the silicon-containing monomer or oligomer thereof based on 100 parts by weight of the photocurable monomer and the silicon-containing monomer or oligomer thereof in terms of solid content.   
     
     
         6 . The photocurable composition as claimed in  claim 1 , further comprising a photopolymerization initiator. 
     
     
         7 . The photocurable composition as claimed in  claim 6 , comprising:
 about 1 to about 99 parts by weight of the photocurable monomer and about 1 to about 99 parts by weight of the silicon-containing monomer or oligomer thereof based on 100 parts by weight of the photocurable monomer and the silicon-containing monomer or oligomer thereof in terms of solid content, and   about 0.1 to about 20 parts by weight of the photopolymerization initiator based on 100 parts by weight of the photocurable monomer and the silicon-containing monomer or oligomer thereof in terms of solid content.   
     
     
         8 . A member for an apparatus, the member being encapsulated with the photocurable composition as claimed in  claim 1 . 
     
     
         9 . An apparatus comprising an encapsulated member, the encapsulated member including a barrier stack on the member, the barrier stack including an inorganic barrier layer and an organic barrier layer, the organic barrier layer having an outgas generation amount of about 2000 ppm or less. 
     
     
         10 . The apparatus as claimed in  claim 9 , wherein the inorganic barrier layer includes one or more of a metal, a metal oxide, a metal nitride, a metal carbide, a metal oxygen nitride, a metal oxygen boride, and wherein the metal is silicon, aluminum, selenium, zinc, antimony, indium, germanium, tin, bismuth, a transition metal, or a lanthanide metal. 
     
     
         11 . The apparatus as claimed in  claim 9 , wherein the organic barrier layer and the inorganic barrier layer are alternately deposited in the barrier stack. 
     
     
         12 . The apparatus as claimed in  claim 9 , wherein the organic barrier layer and the inorganic barrier layer are deposited a total of 10 times or less in the barrier stack. 
     
     
         13 . The apparatus as claimed in  claim 9 , wherein the organic barrier layer has a thickness of about 0.1 μm to about 20 μm and the inorganic barrier layer has a thickness of about 5 nm to about 500 nm. 
     
     
         14 . The apparatus as claimed in  claim 9 , wherein the member includes one or more of a flexible organic light emitting diode, an organic light emitting diode, an illumination device, a metal sensor pad, a microdisc laser, an electrochromic apparatus, a photochromic device, a microelectromechanical system, a solar cell, an integrated circuit, a charge coupled device, a light emitting polymer, or a light emitting diode. 
     
     
         15 . An apparatus comprising an encapsulated member, the encapsulated member including a barrier stack on the member, the barrier stack including an inorganic barrier layer and an organic barrier layer, the organic barrier layer having a water vapor transmission rate of about 4.0 g/m 2 ·24 hr or less as measured at 37.8° C. and 100% RH for 24 hours at a layer thickness of 5 μm in a thickness direction. 
     
     
         16 . The apparatus as claimed in  claim 15 , wherein the inorganic barrier layer includes one or more of a metal, a metal oxide, a metal nitride, a metal carbide, a metal oxygen nitride, a metal oxygen boride, and wherein the metal is silicon, aluminum, selenium, zinc, antimony, indium, germanium, tin, bismuth, a transition metal, or a lanthanide metal. 
     
     
         17 . The apparatus as claimed in  claim 15 , wherein the organic barrier layer and the inorganic barrier layer are alternately deposited in the barrier stack. 
     
     
         18 . The apparatus as claimed in  claim 15 , wherein the organic barrier layer and the inorganic barrier layer are deposited a total of 10 times or less in the barrier stack. 
     
     
         19 . The apparatus as claimed in  claim 15 , wherein the organic barrier layer has a thickness of about 0.1 μm to about 20 μm and the inorganic barrier layer has a thickness of about 5 nm to about 500 nm. 
     
     
         20 . The apparatus as claimed in  claim 15 , wherein the member includes one or more of a flexible organic light emitting diode, an organic light emitting diode, an illumination device, a metal sensor pad, a microdisc laser, an electrochromic apparatus, a photochromic device, a microelectromechanical system, a solar cell, an integrated circuit, a charge coupled device, a light emitting polymer, or a light emitting diode.