Liquid crystal display panel

Abstract

A liquid crystal display panel including an array substrate, an opposite substrate disposed opposite to the array substrate and liquid crystal medium between the opposite substrate and the array substrate is provided. The array substrate includes a passivation layer, an insulation layer and a first electrode. The passivation layer has a contact hole. The insulation layer is disposed on the passivation layer and has a concave at a portion overlapped with the contact hole. The first electrode is disposed on the passivation layer and the insulation layer, and has a main portion and stripe portions, wherein a gap is formed between the two adjacent stripe portions. Each stripe portion has a connection portion, at least one turning point and an extending portion. Each connection portion is directly connected to the main portion, and the contact hole is overlapped with at least one connection portion.

1 . A liquid crystal display panel, comprising:
 an array substrate, comprising:
 a passivation layer, having a first contact hole; 
 a first insulation layer, located on the passivation layer, wherein the first insulation layer has a concave at a portion overlapped with the first contact hole; and 
 a first electrode, located on the passivation layer and the first insulation layer, the first electrode having:
 a main portion; and 
 a plurality of strip portions, wherein a gap is formed between two adjacent strip portions, each of the strip portions has a connection portion, at least one turning point, and an portion, the turning point is located between the connection portion and the extending portion, each of the connection portions is directly connected with the main portion, and the first contact hole is overlapped with at least one connection portion; 
 
   an opposite substrate, disposed opposite to the array substrate; and   a liquid crystal medium, disposed between the array substrate and the opposite substrate.   
     
     
         2 . The liquid crystal display panel as claimed in  claim 1 , wherein an area between a connection line of the turning points of the strip portions and the main portion is overlapped with the first contact hole. 
     
     
         3 . The liquid crystal display panel as claimed in  claim 1 , wherein on a vertical projection plane, a shortest distance from a connection line of the turning points of the strip portions to the first contact hole is from 0 μm to 2 μm. 
     
     
         4 . The liquid crystal display panel as claimed in  claim 1 , wherein the array substrate further comprises:
 a scan line and a data line;   an active device, electrically connected with the scan line and the data line; and   a second electrode, wherein the first electrode is located above the second electrode, the first insulation layer is located between the first electrode and the second electrode, and one of the first electrode and the second electrode is electrically connected with the active device.   
     
     
         5 . The liquid crystal display panel as claimed in  claim 1 , wherein the array substrate further comprises a second insulation layer located below the passivation layer, and the second insulation layer has a second contact hole. 
     
     
         6 . The liquid crystal display panel as claimed in  claim 5 , wherein the first contact hole and the second contact hole are overlapped with each other. 
     
     
         7 . The liquid crystal display panel as claimed in  claim 6 , wherein the first contact hole and the second contact hole are in a concentric arrangement. 
     
     
         8 . The liquid crystal display panel as claimed in  claim 5 , wherein the first contact hole and the second contact hole are not overlapped with each other. 
     
     
         9 . The liquid crystal display panel as claimed in  claim 5 , wherein the array substrate further comprises a common line, the second electrode is electrically connected with the common line through the first contact hole and the second contact hole. 
     
     
         10 . The liquid crystal display panel as claimed in  claim 9 , wherein a material of the common line comprises metal. 
     
     
         11 . The liquid crystal display panel as claimed in  claim 1 , wherein the connection portion and the extending portion of each of the strip portions thin′ an obtuse angle ranging from 135 degrees to 160 degrees. 
     
     
         12 . The liquid crystal display panel as claimed in  claim 1 , wherein each of the extending portions is not overlapped with the first contact hole. 
     
     
         13 . The liquid crystal display panel as claimed in  claim 1 , wherein a pitch between the connection portions of two adjacent strip portions is greater than a pitch between the extending portions. 
     
     
         14 . The liquid crystal display panel as claimed in  claim 1 , wherein a thickness of the passivation layer ranges from 1.3 μm to 3 μm. 
     
     
         15 . A liquid crystal display panel, comprising:
 an array substrate, comprising:
 a passivation layer, having a first contact hole; 
 a first insulation layer, located on the passivation layer; and 
 a first electrode, located on the passivation layer and the first insulation layer, the first electrode having:
 a main portion; and 
 a plurality of strip portions, wherein a gap is formed between two adjacent strip portions, each of the strip portions has a turning point, and an area between a connection line of the turning points of the strip portions and the main portion is overlapped with the first contact hole; 
 
   an opposite substrate, disposed opposite to the array substrate; and   a liquid crystal medium, disposed between the array substrate and the opposite substrate.   
     
     
         16 . The liquid crystal display panel as claimed in  claim 15 , wherein on a vertical projection plane, a shortest distance from the connection line of the turning points of the strip portions to the first contact hole is from 0 μm to 2 μm. 
     
     
         17 . The liquid crystal display panel as claimed in  claim 15 , wherein the array substrate further comprises a second insulation layer located below the passivation layer, and the second insulation layer has a second contact hole.