Liquid crystal display including wire grid polarizer and manufacturing method thereof

Abstract

A liquid crystal display includes a first substrate. A plurality of fine metal lines is disposed on the first substrate. The plurality of fine metal lines including a plurality of small regions. A second substrate is aligned with the first substrate. A light blocking portion is disposed on the second substrate. The light blocking portion is disposed in a region between the small regions of the plurality of small regions of the plurality of tine metal lines.

What is claimed is: 
     
         1 . A method for manufacturing a liquid crystal display, the method comprising:
 stacking a metal layer on a first substrate;   stacking a photosensitive film layer on the metal layer;   forming a photosensitive film pattern on the photosensitive film layer by a nano-imprint method using a mold;   repeating the forming of the photosensitive film pattern multiple times while moving the mold between each repetition;   forming a plurality of fine metal patterns including a plurality of small regions that correspond to the mold by etching the metal layer using the photosensitive film pattern;   forming a light blocking portion on a second substrate; and   disposing the light blocking portion on boundary portions of the plurality of small regions by aligning the first substrate and the second substrate.   
     
     
         2 . The method of  claim 1 , wherein;
 in the plurality of small regions, each of the plurality of fine metal lines are disposed to have predetermined width and width in a predetermined direction.   
     
     
         3 . The method of  claim 2 , wherein:
 a plurality of pixel areas is disposed on the second substrate and the plurality of small regions is disposed in the plurality of pixel areas.   
     
     
         4 . The method of  claim 3 , wherein:
 the plurality of pixel areas include first pixel areas and second pixel areas,   in the first pixel areas, each the plurality of fine metal lines is formed to uniformly extend in a first direction, and   in the second pixel areas, each of the plurality of fine metal lines is formed to uniformly extend in a second direction different from the first direction.   
     
     
         5 . The manufacturing method of a liquid crystal display of  claim 4 , wherein:
 the second direction is perpendicular to the first direction.   
     
     
         6 . A method for manufacturing a liquid crystal display, comprising:
 stacking an etch control layer on a first substrate;   stacking a first photosensitive film layer on the etch control layer;   forming a first photosensitive film pattern on the first photosensitive film layer by a nano-imprint method using a first mold;   repeating the forming of the first photosensitive film pattern multiple times while moving the first mold between repetitions;   forming a plurality of etch control patterns by etching the etch control layer using the first photosensitive film pattern;   stacking a first metal layer on the etch control patterns;   forming a large area second mold including a plurality of first small regions corresponding to the first mold by separating the metal layer from the etch control patterns;   stacking a second metal layer on a second substrate;   stacking a second photosensitive film layer on the second metal layer;   forming a second photosensitive film pattern on the second photosensitive film layer by a nano-imprint method using the second mold;   forming a plurality of fine metal patterns including a plurality of second small regions of the second mold by etching the second metal layer using the second photosensitive film pattern;   forming a light blocking portion on a third substrate; and   disposing the light blocking portion at boundary portions of the plurality of second small regions by aligning the second substrate and the third substrate.   
     
     
         7 . The m method of  claim 6 , wherein:
 in the plurality of second small regions, each of the plurality of fine metal lines are disposed to have predetermined width and interval in a predetermined direction.   
     
     
         8 . A method of manufacturing a liquid crystal display, comprising:
 stacking an etch control layer on a first substrate;   stacking a first photosensitive film layer on the etch control layer;   forming a first photosensitive film pattern on the first photosensitive film layer by a nano-imprint method using a first mold;   repeating the forming of the first photosensitive film pattern multiple times while moving the first mold between repetitions;   forming a plurality of etch control patterns by etching the etch control layer using the first photosensitive film pattern;   stacking a first metal layer on the etch control pattern;   forming a large area second mold including a plurality of first small regions corresponding to the first mold by separating the metal layer from the etch control patterns;   stacking a second photosensitive film layer on a second substrate;   forming a second photosensitive film pattern on the second photosensitive film layer by as nano-imprint method using the second mold;   forming a plurality of fine metal patterns having a plurality of second small regions of the second mold by stacking a metal layer on the second photosensitive film pattern;   forming a light blocking portion on a third substrate; and   disposing the light blocking portion on boundary portions of the plurality of second small regions by aligning the second substrate and the third substrate.   
     
     
         9 . The method of  claim 8 , wherein:
 in the plurality of second small regions, each of the plurality of fine metal lines are disposed to have predetermined width and interval in a predetermined direction.