Character type vertical alignment mode liquid crystal display device with wall layers

Abstract

In a character type vertical alignment type liquid crystal display device including first and second substrates opposing each other, a first electrode layer including a plurality of first electrodes provided at an inner side of the first substrate, a second electrode layer including a plurality of second electrodes provided at an inner side of the second substrate, and a vertical alignment mode liquid crystal layer provided between the first and second substrates, a wall structure is provided between the first and second substrates.

1 . A character type vertical alignment mode liquid crystal display device, comprising:
 first and second substrates opposing each other;   a first electrode layer including a plurality of first electrodes, provided at an inner side of said first substrate;   a second electrode layer including a plurality of second electrodes, provided at, an inner side of said second substrate;   a vertical alignment mode liquid crystal layer provided between said first and second substrates; and   a wall structure provided between said first and second substrates.   
   
   
       2 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 1 , wherein said wall structure comprises a grid-shaped wall layer. 
   
   
       3 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 2 , wherein, if the right direction viewed from the top of said device is 0°, the upper direction is 90°, the left direction is 180°, and the lower direction is 270°, a reference angle of said grid-shaped wall layer is 0°. 
   
   
       4 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 3 , wherein the reference angle of said grid-shaped wall layer is deviated from 0°. 
   
   
       5 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 2 , wherein a reference angle of said grid-shaped wall layer coincides with a polarizing angle of a polarizer of said device. 
   
   
       6 . The character type vertical alignment, mode liquid crystal display device as set forth in  claim 2 , wherein a line-width of said grid-shaped wall layer is 400 μm or less. 
   
   
       7 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 1 , wherein said wall structure has wall layers each with a shape along a periphery of one of display patterns formed by superposing said segment electrodes onto said common electrodes. 
   
   
       8 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 7 , wherein said wall structure further has additional wall layers having reduced shapes of said wall layers. 
   
   
       9 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 8 , wherein spacing between said wall layers and said additional wall layers is 400 μm or less. 
   
   
       10 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 1 , wherein said wall structure is provided on the side of one of said first and second substrates. 
   
   
       11 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 10 , wherein a height, of said wall structure is not, smaller than half of a height of said vertical alignment mode liquid crystal layer. 
   
   
       12 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 1 , wherein said wall structure is provided on the sides of both of said first and second substrates. 
   
   
       13 . The character type vertical alignment mode liquid crystal display device as set, forth in  claim 12 , wherein a total height of said wall structure on the sides of both of said first and second substrates is not smaller than half of a height of said vertical alignment mode liquid crystal layer. 
   
   
       14 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 1 , wherein said first electrodes comprise segment electrodes, and said second electrodes comprise common electrodes. 
   
   
       15 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 1 , wherein said first electrodes comprise common electrodes, and said second electrodes comprise segment electrodes. 
   
   
       16 . The character type vertical alignment mode liquid crystal display device as set forth in  claim 1 , wherein said wall structure comprises ultraviolet ray hardening resin.