Touch display panel and fabricating method thereof

Abstract

A touch display panel including an active device array substrate, an opposite substrate and a liquid crystal layer is provided. The active device array substrate includes a first substrate, a black matrix, a touch-sensing device layer, a dielectric layer and an active device array layer. The black matrix is disposed on the first substrate. The touch-sensing device layer is disposed on the first substrate to cover a portion of the black matrix. The dielectric layer covers the touch-sensing device layer. The active device array layer is disposed on the dielectric layer. The touch-sensing device layer and the active device array substrate are located at two opposite sides of the dielectric layer. The liquid crystal layer is disposed between the active device array layer and the opposite substrate. Moreover, a fabricating method of the touch display panel is also provided.

What is claimed is: 
     
         1 . A touch display panel, comprising:
 an active device array substrate, comprising:
 a first substrate; 
 a black matrix, disposed on the first substrate; 
 a touch-sensing device layer, disposed on the first substrate to cover a portion of the black matrix; 
 a dielectric layer, covering the touch-sensing device layer; 
 an active device array layer, disposed on the dielectric layer, the touch-sensing device layer and the active device array layer are located at two opposite sides of the dielectric layer; 
   an opposite substrate; and   a liquid crystal layer, disposed between the active device array layer and the opposite substrate.   
     
     
         2 . The touch display panel as claimed in  claim 1 , wherein the opposite substrate comprises:
 a second substrate;   a color filter layer, disposed on the second substrate; and   a common electrode, disposed over the color filter layer, wherein the common electrode and the second substrate are located at the two opposite sides of the color filter layer.   
     
     
         3 . The touch display panel as claimed in  claim 1 , wherein the active device array layer comprises a plurality of pixels arranged in an array, a plurality of scan lines and a plurality of data lines, each of the pixels is electrically connected to the corresponding scan lines and the data lines respectively, and the black matrix comprises a mesh pattern and a frame pattern, the frame pattern surrounds the mesh pattern, and the mesh pattern is distributed corresponding to the scan lines and the data lines. 
     
     
         4 . The touch display panel as claimed in  claim 1 , further comprising a display driving circuit disposed on the black matrix. 
     
     
         5 . The touch display panel as claimed in  claim 1 , further comprising a backlight module disposed at one side of the opposite substrate, wherein the backlight module and the active device array substrate are located at the two opposite sides of the opposite substrate. 
     
     
         6 . A fabricating method of touch display panel, comprising:
 sequentially forming a black matrix, a touch-sensing device layer, a dielectric layer, and an active device array layer over a first substrate to form an active device array substrate;   bonding the active device array substrate with an opposite substrate; and   forming a liquid crystal layer between the active device array layer and the opposite substrate.   
     
     
         7 . The fabricating method of the touch display panel as claimed in  claim 6 , wherein the fabricating method of the opposite substrate comprises:
 sequentially forming a color filter layer and a common electrode over a second substrate.   
     
     
         8 . The fabricating method of the touch display panel as claimed in  claim 6 , wherein the fabricating method of the active device array layer comprises:
 forming a plurality of pixels arranged in array, a plurality of scan lines, and a plurality of data lines over the dielectric layer, each of the pixels being electrically connected with the corresponding scan lines and the data lines respectively, wherein the black matrix comprises a mesh pattern and a frame pattern, the frame pattern surrounds the mesh pattern, and the mesh pattern is distributed corresponding to the scan lines and the data lines.   
     
     
         9 . The fabricating method of the touch display panel as claimed in  claim 6 , further comprising:
 providing a display driving circuit disposed on the black matrix.   
     
     
         10 . The fabricating method of the touch display panel as claimed in  claim 6 , further comprising:
 providing a backlight module disposed at one side of the opposite substrate, the backlight module and the active device array substrate being located at the two opposite sides of the opposite substrate.