Flexible display apparatus and manufacturing method thereof

Abstract

A flexible display apparatus, including a flexible substrate including a bending area and a non-bending area; a display unit on the flexible substrate; and an encapsulation unit covering the display unit, the encapsulation unit including a first inorganic film, a second inorganic film, and an organic film between the first inorganic film and the second inorganic film, the organic film having a first thickness in the bending area and a second thickness greater than the first thickness in the non-bending area.

What is claimed is: 
     
         1 . A display apparatus, comprising:
 a substrate including a bending area and a non-bending area;   a display unit on the substrate; and   an encapsulation unit covering the display unit,   the encapsulation unit including a first inorganic film, a second inorganic film, and an organic film between the first inorganic film and the second inorganic film,   the organic film having a first thickness in the bending area and a second thickness greater than the first thickness in the non-bending area.   
     
     
         2 . The display apparatus as claimed in  claim 1 , wherein:
 the non-bending area includes a first non-bending area and a second non-bending area, and   the bending area is between the first non-bending area and the second non-bending area.   
     
     
         3 . The display apparatus as claimed in  claim 1 , wherein:
 the bending area includes a first bending area and a second bending area, and   the non-bending area is between the first bending area and the second bending area.   
     
     
         4 . The display apparatus as claimed in  claim 3 , wherein:
 the first bending area has a first curvature, and   the second bending area has a second curvature smaller than the first curvature.   
     
     
         5 . The display apparatus as claimed in  claim 4 , wherein the organic film in the first bending area is thinner than the organic film in the second bending area. 
     
     
         6 . The display apparatus as claimed in  claim 1 , wherein the organic film is formed according to a liquid phase deposition process. 
     
     
         7 . A manufacturing method of a display apparatus, the manufacturing method comprising:
 providing a substrate including a bending area and a non-bending area;   forming a display unit on the substrate;   forming a first inorganic film covering the display unit;   forming an organic film on the first inorganic film, the organic film having a first thickness in the bending area and a second thickness greater than the first thickness in the non-bending area; and   forming a second inorganic film on the organic film.   
     
     
         8 . The manufacturing method as claimed in  claim 7 , wherein:
 the non-bending area includes a first non-bending area and a second non-bending area, and   the bending area is between the first non-bending area and the second non-bending area.   
     
     
         9 . The manufacturing method as claimed in  claim 7 , wherein:
 the bending area includes a first bending area and a second bending area, and   the non-bending area is between the first bending area and the second bending area.   
     
     
         10 . The manufacturing method as claimed in  claim 9 , wherein:
 the first bending area has a first curvature, and   the second bending area has a second curvature smaller than the first curvature.   
     
     
         11 . The manufacturing method as claimed in  claim 10 , wherein the organic film in the first bending area is thinner than the organic film in the second bending area. 
     
     
         12 . The manufacturing method as claimed in  claim 7 , wherein the organic film is formed according to a liquid phase deposition process. 
     
     
         13 . A display apparatus, comprising:
 a substrate including a bending area and a non-bending area;   a display unit on the substrate; and   an encapsulation unit covering the display unit,   the encapsulation unit including a first inorganic film, a second inorganic film, and an organic film between the first inorganic film and the second inorganic film,   the organic film having a first thickness in the bending area and a second thickness greater than the first thickness in the non-bending area, and   the first thickness of the organic film corresponding to the bending area is substantially constant.   
     
     
         14 . The display apparatus as claimed in  claim 13 , wherein:
 the non-bending area includes a first non-bending area and a second non-bending area, and   the bending area is between the first non-bending area and the second non-bending area.   
     
     
         15 . The display apparatus as claimed in  claim 13 , wherein:
 the bending area includes a first bending area and a second bending area, and   the non-bending area is between the first bending area and the second bending area.   
     
     
         16 . The display apparatus as claimed in  claim 15 , wherein:
 the first bending area has a first curvature, and   the second bending area has a second curvature smaller than the first curvature.   
     
     
         17 . The display apparatus as claimed in  claim 16 , wherein the organic film in the first bending area is thinner than the organic film in the second bending area. 
     
     
         18 . The display apparatus as claimed in  claim 13 , wherein the organic film is formed according to a liquid phase deposition process.