Display panel, stacked substrate including the same, and method of manufacturing the display panel

Abstract

A display panel includes a base substrate having a first surface and a second surface opposing each other, a pixel part located on the first surface, and including a plurality of pixels, and a remaining part on the second surface to cover at least a portion of the second surface, and including a moisture absorption material having a moisture absorption property.

What is claimed is: 
     
         1 . A display panel comprising:
 a base substrate having a first surface and a second surface opposing each other;   a pixel part located on the first surface, and comprising a plurality of pixels; and   a remaining part on the second surface to cover at least a portion of the second surface, and comprising a moisture absorption material having a moisture absorption property.   
     
     
         2 . The display panel of  claim 1 , wherein the moisture absorption material comprises at least one of metal, metal oxide, silicon oxide, chloride, sulfur oxide, bromine compound, fluorine compound, or indium compound. 
     
     
         3 . The display panel of  claim 1 , wherein the remaining part entirely covers the second surface. 
     
     
         4 . The display panel of  claim 1 , wherein the base substrate comprises a resin. 
     
     
         5 . The display panel of  claim 4 , wherein the pixel part comprises:
 an array layer on the first surface of the base substrate, and comprising a plurality of thin film transistors;   a display element layer on the first surface of the base substrate, and comprising a plurality of organic light emitting diodes respectively connected to the plurality of thin film transistors; and   an encapsulation layer encapsulating the display element layer.   
     
     
         6 . The display panel of  claim 5 , further comprising a protection substrate below the base substrate,
 wherein the remaining part is between the protection substrate and the base substrate.   
     
     
         7 . A stacked substrate comprising:
 a carrier substrate;   a base part on the carrier substrate;   a moisture absorption layer between the carrier substrate and the base part, and comprising a moisture absorption material; and   a pixel part on the base part, and comprising a plurality of pixels.   
     
     
         8 . The stacked substrate of  claim 7 , wherein the moisture absorption material comprises at least one of metal, metal oxide, silicon oxide, chloride, sulfur oxide, bromine compound, fluorine compound, or indium compound. 
     
     
         9 . The stacked substrate of  claim 8 , wherein the moisture absorption layer defines at least one pore. 
     
     
         10 . The stacked substrate of  claim 7 , wherein the carrier substrate comprises a material that is different from a material of the base part. 
     
     
         11 . The stacked substrate of  claim 10 , wherein the carrier substrate comprises glass, and wherein the base part comprises a resin. 
     
     
         12 . The stacked substrate of  claim 7 , wherein the base part covers a top surface of the moisture absorption layer and side surfaces of the moisture absorption layer. 
     
     
         13 . A method of manufacturing a display panel, the method comprising:
 providing a carrier substrate;   forming a moisture absorption layer comprising a moisture absorption material on the carrier substrate;   forming a base part on the moisture absorption layer;   forming a pixel part comprising a plurality of pixels on the base part;   injecting moisture into the moisture absorption layer to deform the moisture absorption layer; and   separating the base part and the pixel part from the carrier substrate to form the display panel.   
     
     
         14 . The method of  claim 13 , wherein the moisture absorption material comprises at least one of metal, metal oxide, silicon oxide, chloride, sulfur oxide, bromine compound, fluorine compound, or indium compound. 
     
     
         15 . The method of  claim 13 , wherein the moisture absorption layer is deformed by the injected moisture to define at least one pore. 
     
     
         16 . The method of  claim 13 , wherein injecting moisture into the moisture absorption layer causes the moisture absorption layer to expand in volume due to the injected moisture. 
     
     
         17 . The method of  claim 13 , further comprising forming the base part through a solution process. 
     
     
         18 . The method of  claim 17 , wherein forming the base part comprises covering a top surface and side surfaces of the moisture absorption layer with the base part, the method further comprising:
 removing a portion of the base part prior to the injecting of the moisture to expose the side surfaces of the moisture absorption layer.   
     
     
         19 . The method of  claim 18 , wherein removing the portion of the base part comprises cutting the base part along a cutting line defined on the base part, the removed portion of the base part not overlapping the moisture absorption layer in a plan view. 
     
     
         20 . The method of  claim 13 , wherein the separating the base part and the pixel part from the carrier substrate comprises applying a vacuum to the carrier substrate or to the base part to pull the carrier substrate and the base part in opposite directions.