US2009122249A1PendingUtilityA1

Liquid crystal display having particular electrodes and a spacer

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Assignee: HITACHI LTDPriority: Feb 5, 1999Filed: Oct 14, 2008Published: May 14, 2009
Est. expiryFeb 5, 2019(expired)· nominal 20-yr term from priority
G02F 1/13394G02F 2201/40G02F 1/1303G02F 1/133512G02F 1/1339G02F 1/136G02F 1/134363G02F 2202/28
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Claims

Abstract

The present invention is to provide the multi-domain system IPS (In-Plane Switching mode) liquid crystal display which has high contrast and does not have an improper image display. According to an aspect of the present invention, there is provided a black matrix formed between a pair of substrates and formed over a plurality of drain lines and gate lines, a plurality of spaces arranged under the black matrix, wherein a plurality of liquid crystal molecules lined to a boundary direction of the black matrix in “OFF” state, and having a first group and a second group in “ON” state, wherein a switching angle of the second group is opposite to a switching angle of the first group.

Claims

exact text as granted — not AI-modified
1 . A liquid crystal display device comprising:
 first and second substrates with a liquid crystal layer therebetween;   a plurality of gate lines and a plurality of drain lines formed on the first substrate; and   a plurality of pixel region are defined by the gate lines and the drain line,   wherein the pixel regions are arranged into a linear shape in the direction along the drain signal line and are arranged at the position that shifted by half-pitch in a direction along the gate signal line,   a plurality of spacers are formed on the second substrate, and the spacer is arranged on a gate signal line.   
   
   
       2 . A liquid crystal display device according to  claim 1 , wherein a shading film is formed on the second substrate and the shading film is formed on the gate signal line and the drain signal line. 
   
   
       3 . A liquid crystal display device according to  claim 1 , wherein the gate signal line is formed into a linear shape, and the drain signal line is bent whenever the drain signal line crosses the gate signal line. 
   
   
       4 . A liquid crystal display device according to  claim 1 , wherein an orientation film is formed on the first and second substrate, an initial orientation angle is parallel to the gate signal line. 
   
   
       5 . A liquid crystal display device according to  claim 1 , wherein each pixel region has a pixel electrode and a reference electrode and drives liquid crystal by a In-Plane Switching mode. 
   
   
       6 . A liquid crystal display device according to  claim 1 , wherein the spacer is not formed by all pixel region.

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