US2005046775A1PendingUtilityA1

FFS mode liquid crystal display

Priority: Aug 26, 2003Filed: Jun 30, 2004Published: Mar 3, 2005
Est. expiryAug 26, 2023(expired)· nominal 20-yr term from priority
G02F 1/1343G02F 1/134363G02F 1/133512
40
PatentIndex Score
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Claims

Abstract

Disclosed is an FFS (Fringe Field Switching) mode liquid crystal display. The FFS mode liquid crystal display comprises: a lower substrate and an upper substrate; a gate line formed on the lower substrate; a data line crossing perpendicular to the gate line; a first ITO electrode formed in a region defined by the gate line and the data line; a second ITO electrode of a comb-teeth pattern formed on the lower substrate while being overlapped on the first ITO electrode; and a black matrix formed on the upper substrate, wherein, a wedge portion of the second ITO electrode is formed at a position spaced by a predetermined interval to the inside from an edge section of the black matrix.

Claims

exact text as granted — not AI-modified
1 . An FFS (Fringe Field Switching) mode liquid crystal display comprising: 
 a lower substrate and an upper substrate;    a gate line formed on the lower substrate;    a data line crossing perpendicular to the gate line;    a first ITO electrode formed in a region defined by the gate line and the data line;    a second ITO electrode of a comb-teeth pattern formed on the lower substrate while being overlapped on the first ITO electrode; and    a black matrix formed on the upper substrate, wherein, a wedge portion of the second ITO electrode is formed at a position spaced by a predetermined interval to the inside from an edge section of the black matrix.    
   
   
       2 . The FFS mode liquid crystal display as claimed in  claim 1 , wherein the wedge portion of the second ITO electrode is spaced by 0.5 μm or more to the inside from an edge section of the black matrix.  
   
   
       3 . The FFS mode liquid crystal display as claimed in  claim 1 , wherein the black matrix includes conductive material which has a resistance of 1×10E2 Ωcm to 1×10E7 Ωcm.  
   
   
       4 . The FFS mode liquid crystal display as claimed in  claim 1 , wherein the wedge portion of the second ITO electrode is formed with alternately-removed parts.  
   
   
       5 . The FFS mode liquid crystal display as claimed in  claim 1 , wherein the second ITO electrode has a bumpy shape.  
   
   
       6 . The FFS mode liquid crystal display as claimed in  claim 1 , wherein a width of the black matrix is 22 μm or less, and the second ITO electrode is symmetrically formed with respect to a center of a data line portion.

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