Display apparatus

Abstract

A display apparatus includes a first substrate, a first shielding layer, a first optical film, a second substrate, and a display medium. The first shielding layer is located on the first substrate and has a first alignment pattern. The first optical film is located on the first substrate. The first optical film has a second alignment pattern on a side edge of the first optical film. The first alignment pattern and the second alignment pattern are overlapped with each other. The second substrate is located opposite to the first substrate. The display medium is sandwiched between the first substrate and the second substrate.

What is claimed is: 
     
         1 . A display apparatus comprising:
 a first substrate;   a first shielding layer located on the first substrate, the first shielding layer having a first alignment pattern;   a first optical film located on the first substrate, the first optical film having a second alignment pattern on a side edge of the first optical film, wherein the first alignment pattern and the second alignment pattern are overlapped with each other;   a second substrate located opposite to the first substrate; and   a display medium sandwiched between the first substrate and the second substrate.   
     
     
         2 . The display apparatus according to  claim 1 , wherein the first shielding layer is a black matrix, and the first optical film is a polarization film. 
     
     
         3 . The display apparatus according to  claim 1 , wherein the first substrate is circular, and the first shielding layer comprises a circular ring-shaped pattern corresponding to at least one edge of the first substrate. 
     
     
         4 . The display apparatus according to  claim 1 , wherein the first alignment pattern and the second alignment pattern are overlapped with each other, such that a gap is formed between an edge of the first alignment pattern and an edge of the second alignment pattern. 
     
     
         5 . The display apparatus according to  claim 1 , wherein the second alignment pattern is a recess or a protrusion. 
     
     
         6 . The display apparatus according to  claim 1 , further comprising:
 a second shielding layer located on the second substrate, the second shielding layer having a third alignment pattern; and   a second optical film located on the second substrate, the second optical film having a fourth alignment pattern on a side edge of the second optical film, wherein the third alignment pattern and the fourth alignment pattern are overlapped with each other.   
     
     
         7 . The display apparatus according to  claim 6 , wherein the second shielding layer is a metal layer, the second optical film is a polarization film, and an optical axis of the first optical film is perpendicular or parallel to an optical axis of the second optical film. 
     
     
         8 . The display apparatus according to  claim 6 , wherein the second substrate is circular, and the second shielding layer comprises a circular ring-shaped pattern corresponding to at least one edge of the second substrate. 
     
     
         9 . The display apparatus according to  claim 6 , wherein the third alignment pattern and the fourth alignment pattern are overlapped with each other, such that a gap is formed between an edge of the third alignment pattern and an edge of the fourth alignment pattern. 
     
     
         10 . The display apparatus according to  claim 6 , wherein the fourth alignment pattern is a recess or a protrusion. 
     
     
         11 . A display apparatus comprising:
 a first substrate shaped as a circle;   a first shielding layer located on the first substrate, the first shielding layer having a first alignment pattern;   a first optical film located on the first substrate, the first optical film having a second alignment pattern, wherein the first alignment pattern and the second alignment pattern are overlapped with each other;   a second substrate located opposite to the first substrate; and   a display medium sandwiched between the first substrate and the second substrate.   
     
     
         12 . The display apparatus according to  claim 11 , wherein the first shielding layer is a black matrix, and the first optical film is a polarization film. 
     
     
         13 . The display apparatus according to  claim 11 , wherein the first shielding layer comprises a circular ring-shaped pattern corresponding to at least one edge of the first substrate. 
     
     
         14 . The display apparatus according to  claim 11 , wherein a gap is between an edge of the first alignment pattern and an edge of the second alignment pattern. 
     
     
         15 . The display apparatus according to  claim 11 , further comprising:
 a second shielding layer located on the second substrate, the second shielding layer having a third alignment pattern; and   a second optical film located on the second substrate, the second optical film having a fourth alignment pattern, wherein the third alignment pattern and the fourth alignment pattern are overlapped with each other.   
     
     
         16 . The display apparatus according to  claim 15 , wherein the second shielding layer is a metal layer, the second optical film is a polarization film, and an optical axis of the first optical film is perpendicular or parallel to an optical axis of the second optical film. 
     
     
         17 . The display apparatus according to  claim 15 , wherein the second shielding layer comprises a circular ring-shaped pattern surrounding at least one edge of the second substrate. 
     
     
         18 . The display apparatus according to  claim 17 , wherein a gap is between an edge of the third alignment pattern and an edge of the fourth alignment pattern. 
     
     
         19 . A display apparatus comprising:
 a display panel comprising:
 a first substrate shaped as a circle; 
 a color filter layer located on the first substrate; 
 a first shielding layer located on the first substrate, the first shielding layer having a first alignment pattern, the first alignment pattern being a black matrix; 
 a second substrate located opposite to the first substrate and shaped as a circle; and 
 a display medium sandwiched between the first substrate and the second substrate; and 
   a first optical film having a second alignment pattern on a side edge of the first optical film, wherein the first alignment pattern and the second alignment pattern are overlapped with each other.   
     
     
         20 . The display apparatus according to  claim 19 , wherein the display panel further comprises:
 an active array layer located on the second substrate, the active array layer having an active array and a second shielding layer, the second shielding layer having a third alignment pattern; and   a second optical film located on the second substrate, the second optical film having a fourth alignment pattern on a side edge of the second optical film, wherein the third alignment pattern and the fourth alignment pattern are overlapped with each other.