LCD and method of improving the brilliance of the same

Abstract

A TFT liquid crystal display device is disclosed, which includes two substrates and a liquid crystal layer provided in between the substrates, one substrate having a surface providing with a plurality of data signal lines, a plurality of scan lines, a plurality of pixel electrodes, and a plurality of functional components having source electrode, gate electrodes and drain electrodes. Moreover, the projection of one of the signal electrode and the drain electrode on the gate electrode having at least one bridging zone and one conducting zone. The width of the bridging zone in the direction in parallel to one side of the gate electrode is smaller than the width of the conducting zone in the direction in parallel to the side of the gate electrode.

1. A liquid crystal display device comprising:
 a first substrate;  
 a second substrate having a plurality of data lines, a plurality of scan lines, a plurality of pixel electrodes, and a plurality of functional components having drain electrodes, gate electrodes and source electrodes, wherein each source electrode and each drain electrode are disposed over one of said gate electrodes, and said source electrodes connect to the plurality of data lines, said gate electrodes connect to the plurality of scan lines and said drain electrodes connect to the plurality of pixel electrodes; and  
   a liquid crystal layer sandwiched and sealed between said first substrate and said second substrate,    
   wherein one of each source electrode and each drain electrode has at least one conducting zone and one bridging zone for connecting said conducting zone and other part thereof, and said bridging zone has an equal width in a direction parallel to one peripheral side of said gate electrodes, and the equal width of said bridging zone in the direction parallel to one peripheral side of said gate electrodes is smaller than a width of said conducting zone in the same direction parallel to said peripheral side of said gate electrodes;    
 wherein said gate electrodes, said signal electrodes and said drain electrodes don't directly connect each other, the projection of one of each signal electrode or each drain electrode on the surface of neighboring gate electrode having at least one conducting zone and one bridging zone for connecting said conducting zone and other part of said signal electrode and said drain electrode; and  
 a liquid crystal layer sandwiched and sealed between said first substrate and said second substrate;  
 wherein said source electrodes connect to said data lines, said gate electrodes connect to said scan lines, and said drain electrodes connect to said pixel electrodes; said source electrodes, said bridging zone has an equal width in the direction parallel to one peripheral side of said gate electrode, and the width of said bridging zone in the direction parallel to one peripheral side of said gate electrode is smaller than the width of said conducting zone in the same direction parallel to said peripheral side of said gate electrode .  
 
     
     
       2. The liquid crystal display device as claimed in  claim 1 , wherein the equal width of said bridging zone parallel to said peripheral side of said gate electrode  electrodes is greater than one fourth of the width of said conducting zone in the direction parallel to said peripheral side of said gate electrode  electrodes but smaller than the width of said conducting zone in the same direction parallel to said peripheral side of said gate electrode  electrodes. 
     
     
       3. The liquid crystal display device as claimed in  claim 1 , wherein the equal width of said bridging zone in the direction parallel to one peripheral side of said gate electrode  electrodes is equal to one half of the width of said conducting zone in the same direction parallel to said peripheral side of said gate electrode  electrodes. 
     
     
       4. The liquid crystal display device as claimed in  claim 1 , wherein said bridging zone and said conducting zone are integrated into a T-shaped zone. 
     
     
       5. The liquid crystal display device as claimed in  claim 1 , wherein said bridging zone and said conducting zone are integrated into a L-shaped zone. 
     
     
       6. The liquid crystal display device as claimed in  claim 1 , wherein said bridging zone and said conducting zone are integrated into a Z-shaped zone. 
     
     
       7. The liquid crystal display device as claimed in  claim 1 , wherein said bridging zone and said conducting zone are integrated into an II-shaped zone. 
     
     
       8. The liquid crystal display device as claimed in  claim 1 , further comprising an orientation layer coated between said substrate and said liquid crystal layer. 
     
     
       9. The liquid crystal display device as claimed in  claim 1 , further comprising a backlight module adapted for providing a light source for illumination. 
     
     
       10. A pixel, comprising:
   a data line and a scan line;        a functional component having a drain electrode, a gate electrode and a source electrode, wherein said source electrode is electrically connected to said data line and said gate electrode is electrically to said scan line; and        a pixel electrode is electrically connected to said drain electrode,        wherein one of said source electrode and said drain electrode has at least one conducting zone and one bridging zone for connecting said conducting zone and other part thereof, and a width of said bridging zone is smaller than a width of said conducting zone,        wherein said bridging zone has an equal width in a direction parallel to one peripheral side of said gate electrode, and the equal width of said bridging zone in the direction parallel to one peripheral side of said gate electrode is smaller than the width of said conducting zone in the same direction parallel to said peripheral side of said gate electrode.     
     
     
       11. The pixel as claimed in  claim 10 , wherein the equal width of said bridging zone parallel to said peripheral side of said gate electrode is greater than one fourth of the width of said conducting zone in the direction parallel to said peripheral side of said gate electrode but smaller than the width of said conducting zone in the same direction parallel to said peripheral side of said gate electrode. 
     
     
       12. The pixel as claimed in  claim 10 , wherein the equal width of said bridging zone in the direction parallel to one peripheral side of said gate electrode is equal to one half of the width of said conducting zone in the same direction parallel to said peripheral side of said gate electrode. 
     
     
       13. The pixel as claimed in  claim 10 , wherein said bridging zone and said conducting zone are integrated into a T- shaped zone, a L - shaped zone, a Z - shaped zone or an II - shaped zone.   
     
     
       14. A functional component, comprising:
   a gate electrode, a drain electrode and a source electrode, wherein said drain electrode and said source electrode are disposed over said gate electrode,        wherein one of said source electrode and said drain electrode has at least one conducting zone and one bridging zone for connecting said conducting zone and other part thereof, and a width of said bridging zone is smaller than a width of said conducting zone,        wherein said bridging zone has an equal width in a direction parallel to one peripheral side of said gate electrode, and the equal width of said bridging zone in the direction parallel to one peripheral side of said gate electrode is smaller than the width of said conducting zone in the same direction parallel to said peripheral side of said gate electrode.     
     
     
       15. The functional component as claimed in  claim 14 , wherein the equal width of said bridging zone parallel to said peripheral side of said gate electrode is greater than one fourth of the width of said conducting zone in the direction parallel to said peripheral side of said gate electrode but smaller than the width of said conducting zone in the same direction parallel to said peripheral side of said gate electrode. 
     
     
       16. The functional component as claimed in  claim 14 , wherein the equal width of said bridging zone in the direction parallel to one peripheral side of said gate electrode is equal to one half of the width of said conducting zone in the same direction parallel to said peripheral side of said gate electrode. 
     
     
       17. The functional component as claimed in  claim 14 , wherein said bridging zone and said conducting zone are integrated into a T- shaped zone, a L - shaped zone, a Z - shaped zone or an II - shaped zone.