Liquid crystal display panel and method of manufacturing the same

Abstract

A method for manufacturing a liquid crystal display panel includes preparing first and second substrates having an active region, forming a sealant along a periphery of the active region on at least one of the first and second substrates, dispersing a liquid crystal material on the at least one substrate, the liquid crystal material having a photo-reactant material, attaching the first and second substrates, and irradiating ultraviolet light on an entire surface of the at least one substrate.

What is claimed is:  
     
         1 . A method for manufacturing a liquid crystal display panel, comprising: 
 preparing first and second substrates having an active region;    forming a sealant along a periphery of the active region on at least one of the first and second substrates;    dispersing a liquid crystal material on the at least one substrate, the liquid crystal material having a photo-reactant material;    attaching the first and second substrates; and    irradiating ultraviolet light on an entire surface of the at least one substrate.    
     
     
         2 . The method according to  claim 1 , wherein the sealant is an ultraviolet hardening sealant.  
     
     
         3 . The method according to  claim 1 , wherein the sealant is an ultraviolet and thermo-hardening sealant.  
     
     
         4 . The method according to  claim 1 , wherein the photo-reactant material includes one of a photo-reactive polymer and a photo-reactive oligomer.  
     
     
         5 . The method according to  claim 1 , wherein the ultraviolet light includes at least polarized ultraviolet light.  
     
     
         6 . The method according to  claim 1 , further comprising forming an alignment layer on at least one of the first and second substrates.  
     
     
         7 . The method according to  claim 1 , wherein the step of preparing the first substrate includes: 
 forming a plurality of gate lines and a gate electrode of a thin film transistor on the first substrate;    forming a gate insulating film on an entire surface of the first substrate;    forming a semiconductor layer on the gate insulating film;    forming data lines and source and drain electrodes on the semiconductor layer; and    forming a pixel electrode on the source and drain electrodes.    
     
     
         8 . The method according to  claim 1 , wherein the step of preparing the second substrate includes: 
 forming a light-shielding layer on the second substrate;    forming a color filter layer on the light-shielding layer; and    forming a common electrode on the color filter layer.    
     
     
         9 . The method according to  claim 1 , further comprising forming a spacer on at least one of the first and second substrates.  
     
     
         10 . The method according to  claim 9 , wherein the spacer includes a column spacer.  
     
     
         11 . A liquid crystal display device, comprising: 
 a first substrate;    a second substrate opposing the first substrate;    at least one sealant along a periphery of one of the first and second substrates; and    a liquid crystal layer between the first and second substrates, the liquid crystal material layer having a photo-reactant material.    
     
     
         12 . The device according to  claim 11 , wherein the sealant includes an ultraviolet hardening sealant.  
     
     
         13 . The device according to  claim 11 , wherein the sealant includes an ultraviolet and thermo-hardening sealant.  
     
     
         14 . The device according to  claim 11 , wherein the photo-reactant material includes one of a photo-reactive polymer and a photo-reactive oligomer.  
     
     
         15 . The device according to  claim 11 , further comprising an alignment layer on at least one of the first and second substrates.  
     
     
         16 . The device according to  claim 11 , wherein the second substrate includes a light-shielding layer, a color filter layer disposed on the light-shielding layer, and a common electrode on the color filter layer.  
     
     
         17 . The device according to  claim 11 , further comprising a spacer on at least one of the first and second substrates.  
     
     
         18 . The method according to  claim 17 , wherein the spacer includes a column spacer.  
     
     
         19 . A method for manufacturing a liquid crystal display panel, comprising: 
 forming at least one sealant along a periphery of an active region between first and second substrates;    dispersing a liquid crystal material in the active region, the liquid crystal material having a photo-reactant material; and    irradiating ultraviolet light on an entire surface of the first and second substrates.    
     
     
         20 . The method according to  claim 19 , wherein the sealant includes an ultraviolet hardening sealant.  
     
     
         21 . The method according to  claim 19 , wherein the sealant includes an ultraviolet and thermo-hardening sealant.