Composite film and manufacturing method thereof, and encapsulation structure including the composite film

Abstract

The present invention discloses a composite film, a manufacturing method thereof and an encapsulation structure comprising the composite film. The composite film comprises at least one matrix membrane, each of which comprises at least one waterproof film. In the technical solutions provided by the present invention, the composite film comprises a matrix membrane comprising at least one waterproof film, and therefore, the composite film can be directly disposed on an OLED when the OLED is encapsulated by using the composite film. Accordingly, during an encapsulation process, the used process is simple, the process steps become less, the process time is short, and the required equipment is simpler, so that the production cost is reduced, and the production efficiency is improved.

1 . A composite film, comprising at least one matrix membrane, wherein each matrix membrane includes at least one waterproof film. 
     
     
         2 . The composite film according to  claim 1 , wherein, the number of the at least one matrix membrane is more than one, each of the matrix membranes comprises a plurality of waterproof films, and the waterproof films in adjacent matrix membranes are staggered with each other. 
     
     
         3 . The composite film according to  claim 2 , wherein a spacing is formed between any adjacent waterproof films in each of the matrix membranes, and each spacing in one of the matrix membranes is opposite to the waterproof film in a matrix membrane adjacent to said one of the matrix membranes. 
     
     
         4 - 15 . (canceled) 
     
     
         16 . The composite film according to  claim 2 , wherein the plurality of waterproof films in a same matrix membrane are arranged in a same plane. 
     
     
         17 . The composite film according to  claim 3 , wherein the plurality of waterproof films in a same matrix membrane are arranged in a same plane. 
     
     
         18 . The composite film according to  claim 2 , wherein the number of the matrix membranes is two to four. 
     
     
         19 . The composite film according to  claim 3 , wherein the number of the matrix membranes is two to four. 
     
     
         20 . The composite film according to  claim 1 , wherein the number of the at least one matrix membrane is one, the number of the at least one waterproof film is more than one, the more than one waterproof films are arranged in a plurality of layers, and the waterproof films in adjacent layers are staggered with each other. 
     
     
         21 . The composite film according to  claim 21 , wherein a spacing is formed between any adjacent waterproof films in each layer, and each spacing in one layer is opposite to the waterproof film in a layer adjacent to said one layer. 
     
     
         22 . The composite film according to  claim 1 , wherein a thickness of the matrix membrane is 1 μm-1000 μm. 
     
     
         23 . The composite film according to  claim 1 , wherein the matrix membrane is a flexible film, and the waterproof film is a rigid film. 
     
     
         24 . An encapsulation structure, comprising a substrate, an organic light-emitting diode and the composite film according to  claim 1 , wherein the organic light-emitting diode is located on the substrate, and the composite film is located on the organic light-emitting diode. 
     
     
         25 . The encapsulation structure according to  claim 24 , wherein, the number of the at least one matrix membrane is more than one, each of the matrix membranes comprises a plurality of waterproof films, and the waterproof films in adjacent matrix membranes are staggered with each other. 
     
     
         26 . The encapsulation structure according to  claim 25 , wherein a spacing is formed between any adjacent waterproof films in each of the matrix membranes, and each spacing in one of the matrix membranes is opposite to the waterproof film in a matrix membrane adjacent to said one of the matrix membranes. 
     
     
         27 . The encapsulation structure according to  claim 25 , wherein the plurality of waterproof films in a same matrix membrane are arranged in a same plane. 
     
     
         28 . A manufacturing method of a composite film, comprising a step of:
 forming at least one matrix membrane, and forming at least one waterproof film inside the matrix membrane in a process of forming the at least one matrix membrane.   
     
     
         29 . The manufacturing method of a composite film according to  claim 28 , wherein the step of forming at least one matrix membrane and forming at least one waterproof film inside the matrix membrane in the process of forming the at least one matrix membrane further comprises:
 a) forming a matrix membrane precursor layer;   b) forming at least one waterproof film on the matrix membrane precursor layer;   c) forming another matrix membrane precursor layer on the at least one waterproof film; and   d) performing a curing process to form one matrix membrane.   
     
     
         30 . The manufacturing method of a composite film according to  claim 29 , further comprising steps of:
 executing steps a)-d) repeatedly to obtain a plurality of matrix membranes, and laminating the plurality of matrix membranes to form a composite film comprising the plurality of laminated matrix membranes, wherein the waterproof films in two adjacent matrix membranes are staggered with each other.   
     
     
         31 . The manufacturing method of a composite film according to  claim 28 , wherein the step of forming at least one matrix membrane and farming at least one waterproof film inside the matrix membrane in the process of forming the at least one matrix membrane further comprises:
 e) forming a matrix membrane precursor layer; and   f) forming a waterproof film layer comprising at least one waterproof film on the matrix membrane precursor layer, and forming another matrix membrane precursor layer on the waterproof film layer;   executing step f) repeatedly until a required number of waterproof film layers are formed, wherein the at least one waterproof film in any one waterproof film layer and the at least one waterproof film in a waterproof film layer adjacent to said one waterproof film layer are staggered with each other; and   curing all the formed matrix membrane precursor layers and waterproof film layers to form the matrix membrane, so as to obtain a composite film comprising one matrix membrane.   
     
     
         32 . The manufacturing method of a composite film according to  claim 28 , wherein the curing process is performed through UV curing or thermocuring.