Liquid crystal display panel

Abstract

A liquid crystal display (LCD) panel includes an active device array substrate, an opposite substrate, a sealant, a liquid crystal layer, a black matrix, and a plurality of rough structures. The active device array substrate has a display area and a peripheral area surrounding the display area, and the liquid crystal layer and the peripheral area are surrounded by the sealant. The black matrix is disposed between the active device array substrate and the opposite substrate and distributed corresponding to the display area and the peripheral area. The rough structures are disposed on a portion of the black matrix and distributed corresponding to the peripheral area. Surface roughness of the rough structures is greater than surface roughness of the black matrix distributed corresponding to the display area.

1 . A liquid crystal display panel comprising:
 an active device array substrate;   an opposite substrate disposed above the active device array substrate;   a sealant disposed between the active device array substrate and the opposite substrate, wherein the active device array substrate has a display area and a peripheral area surrounding the display area, and the sealant surrounds the peripheral area;   a liquid crystal layer disposed between the active device array substrate and the opposite substrate and surrounded by the sealant;   a black matrix disposed between the active device array substrate and the opposite substrate and distributed corresponding to the display area and the peripheral area;   a plurality of first protrusions disposed between the active device array substrate and the opposite substrate and distributed corresponding to the display area; and   a plurality of second protrusions disposed between the active device array substrate and the opposite substrate and distributed corresponding to the peripheral area, wherein distribution density of the first protrusions is less than distribution density of the second protrusions.   
     
     
         2 . The liquid crystal display panel as claimed in  claim 1  further comprising a plurality of color filter patterns disposed on the active device array substrate. 
     
     
         3 . The liquid crystal display panel as claimed in  claim 2 , wherein the black matrix is disposed on the opposite substrate, and the second protrusions are located on the black matrix and protrude toward the active device array substrate. 
     
     
         4 . The liquid crystal display panel as claimed in  claim 3 , wherein a material of the second protrusions is substantially the same as a material of the black matrix. 
     
     
         5 . The liquid crystal display panel as claimed in  claim 3 , wherein a material of the second protrusions is substantially the same as a material of the first protrusions. 
     
     
         6 . The liquid crystal display panel as claimed in  claim 3 , wherein a material of parts of the second protrusions is substantially the same as a material of the black matrix, and a material of the other parts of the second protrusions is substantially the same as a material of the first protrusions. 
     
     
         7 . The liquid crystal display panel as claimed in  claim 2 , wherein the black matrix is disposed on the active device array substrate, and the second protrusions are located on the black matrix and protrude toward the opposite substrate. 
     
     
         8 . The liquid crystal display panel as claimed in  claim 7 , wherein a material of the second protrusions is substantially the same as a material of the black matrix. 
     
     
         9 . The liquid crystal display panel as claimed in  claim 7 , wherein a material of the second protrusions is substantially the same as a material of the first protrusions. 
     
     
         10 . The liquid crystal display panel as claimed in  claim 7 , wherein a material of parts of the second protrusions is substantially the same as a material of the black matrix, and a material of the other parts of the second protrusions is substantially the same as a material of the first protrusions. 
     
     
         11 . The liquid crystal display panel as claimed in  claim 7 , wherein a material of the second protrusions is substantially the same as a material of the color filter patterns. 
     
     
         12 . The liquid crystal display panel as claimed in  claim 7 , wherein a material of parts of the second protrusions is substantially the same as a material of the black matrix, and a material of the other parts of the second protrusions is substantially the same as a material of the color filter patterns. 
     
     
         13 . The liquid crystal display panel as claimed in  claim 7 , wherein a material of parts of the second protrusions is substantially the same as a material of the first protrusions, and a material of the other parts of the second protrusions is substantially the same as a material of the color filter patterns. 
     
     
         14 . A liquid crystal display panel comprising:
 an active device array substrate;   an opposite substrate disposed above the active device array substrate;   a sealant disposed between the active device array substrate and the opposite substrate, wherein the active device array substrate has a display area and a peripheral area surrounding the display area, and the sealant surrounds the peripheral area;   a liquid crystal layer disposed between the active device array substrate and the opposite substrate and surrounded by the sealant;   a plurality of first black matrices separated from one another, disposed between the active device array substrate and the opposite substrate, and distributed corresponding to the display area;   a second black matrix disposed between the active device array substrate and the opposite substrate and distributed corresponding to the peripheral area, wherein the second black matrix surrounds the first black matrices;   a plurality of first protrusions, each of the first protrusions being disposed on one of the first black matrices, respectively; and   a plurality of second protrusions disposed on the second black matrix.   
     
     
         15 . The liquid crystal display panel as claimed in  claim 14  further comprising a plurality of color filter patterns disposed on the active device array substrate. 
     
     
         16 . The liquid crystal display panel as claimed in  claim 15 , wherein the first black matrices and the second black matrix are disposed on the opposite substrate, and the second protrusions are located on the second black matrix and protrude toward the active device array substrate. 
     
     
         17 . The liquid crystal display panel as claimed in  claim 16 , wherein a material of the second protrusions is substantially the same as a material of the first black matrices and a material of the second black matrix. 
     
     
         18 . The liquid crystal display panel as claimed in  claim 16 , wherein a material of the second protrusions is substantially the same as a material of the first protrusions. 
     
     
         19 . The liquid crystal display panel as claimed in  claim 16 , wherein a material of parts of the second protrusions is substantially the same as a material of the first black matrices and a material of the second black matrix, and a material of the other parts of the second protrusions is substantially the same as a material of the first protrusions. 
     
     
         20 . The liquid crystal display panel as claimed in  claim 15 , wherein the first black matrices and the second black matrix are disposed on the active device array substrate, and the second protrusions are located on the second black matrix and protrude toward the opposite substrate. 
     
     
         21 . The liquid crystal display panel as claimed in  claim 20 , wherein a material of the second protrusions is substantially the same as a material of the first black matrices and a material of the second black matrix. 
     
     
         22 . The liquid crystal display panel as claimed in  claim 20 , wherein a material of the second protrusions is substantially the same as a material of the first protrusions. 
     
     
         23 . The liquid crystal display panel as claimed in  claim 20 , wherein a material of parts of the second protrusions is substantially the same as a material of the first black matrices and a material of the second black matrix, and a material of the other parts of the second protrusions is substantially the same as a material of the first protrusions. 
     
     
         24 . The liquid crystal display panel as claimed in  claim 20 , wherein a material of the second protrusions is substantially the same as a material of the color filter patterns. 
     
     
         25 . The liquid crystal display panel as claimed in  claim 20 , wherein a material of parts of the second protrusions is substantially the same as a material of the first black matrices and a material of the second black matrix, and a material of the other parts of the second protrusions is substantially the same as a material of the color filter patterns. 
     
     
         26 . The liquid crystal display panel as claimed in  claim 20 , wherein a material of parts of the second protrusions is substantially the same as a material of the first protrusions, and a material of the other parts of the second protrusions is substantially the same as a material of the color filter patterns. 
     
     
         27 . A liquid crystal display panel comprising:
 an active device array substrate;   an opposite substrate disposed above the active device array substrate;   a sealant disposed between the active device array substrate and the opposite substrate, wherein the active device array substrate has a display area and a peripheral area surrounding the display area, and the sealant surrounds the peripheral area;   a liquid crystal layer disposed between the active device array substrate and the opposite substrate and surrounded by the sealant;   a black matrix disposed between the active device array substrate and the opposite substrate and distributed corresponding to the display area and the peripheral area; and   a plurality of rough structures disposed on a portion of the black matrix and distributed corresponding to the peripheral area, wherein surface roughness of the rough structures is greater than surface roughness of the black matrix distributed corresponding to the display area.   
     
     
         28 . The liquid crystal display panel as claimed in  claim 27  further comprising a plurality of color filter patterns disposed on the active device array substrate. 
     
     
         29 . The liquid crystal display panel as claimed in  claim 28 , wherein the black matrix is disposed on the active device array substrate, and the rough structures protrude toward the opposite substrate. 
     
     
         30 . The liquid crystal display panel as claimed in  claim 29 , wherein a material of the rough structures is substantially the same as a material of the color filter patterns. 
     
     
         31 . The liquid crystal display panel as claimed in  claim 29 , wherein a material of the rough structures is substantially the same as a material of the black matrix. 
     
     
         32 . The liquid crystal display panel as claimed in  claim 29  further comprising a plurality of protrusions disposed between the active device array substrate and the opposite substrate and distributed corresponding to the display area. 
     
     
         33 . The liquid crystal display panel as claimed in  claim 32 , wherein a material of the rough structures is substantially the same as a material of the protrusions. 
     
     
         34 . The liquid crystal display panel as claimed in  claim 28 , wherein the black matrix is disposed on the opposite substrate, and the rough structures protrude toward the active device array substrate. 
     
     
         35 . The liquid crystal display panel as claimed in  claim 34 , wherein a material of the rough structures is substantially the same as a material of the black matrix. 
     
     
         36 . The liquid crystal display panel as claimed in  claim 34  further comprising a plurality of protrusions disposed between the active device array substrate and the opposite substrate and distributed corresponding to the display area. 
     
     
         37 . The liquid crystal display panel as claimed in  claim 36 , wherein a material of the rough structures is substantially the same as a material of the protrusions.