Display device

Abstract

The present invention provides a display device which has a narrow screen border, and excellent display equality. The display device according to the present invention comprises a display panel comprising a glass substrate and a source driver IC which is provided along the edge of the glass substrate. The FPC is connected between the source driver ICs. At the substrate end side of the source driver IC, a bump for GND, a bump for analog power supply, a bump for digital power supply, a bump for reference voltage at the positive polarity side, and a bump for reference voltage at the negative polarity side are formed sequentially from the outer side along the flow of current. These bumps for input and the FPC are connected with the lines for input on the glass substrate. The logic signal lines and are formed along the short side of the source driver IC and along the long side at the display area side.

What is claimed is:  
     
         1 . A display device, comprising: 
 a display panel comprising an insulation substrate;    a drive circuit disposed around a display area on the insulation substrate to output signals to the display panel;    a plurality of bumps formed on the drive circuit; and    a plurality of lines formed on the insulation substrate and connected with the bumps, wherein    adjacent two or more of the plurality of bumps are electrically connected on the drive circuit, and    the electrically connected two or more bumps are connected with one of the lines via an anisotropic conductive film.    
     
     
         2 . A display device according to  claim 1 , wherein the drive circuit is disposed along an edge of the insulation substrate, and the electrically connected bumps are formed substantially in parallel with the edge.  
     
     
         3 . A display device according to  claim 1 , wherein the drive circuit is disposed along an edge of the insulation substrate, and the electrically connected bumps are formed substantially perpendicular to the edge.  
     
     
         4 . A display device, comprising: 
 a display panel comprising an insulation substrate;    a plurality of drive circuits disposed with a space at an end portion of the insulation substrate along an edge of the insulation substrate to output signals to the display panel;    a line section placed at the end portion of the insulation substrate, between the plurality of drive circuits, comprising external lines for supplying signals or power to the plurality of drive circuits; and    a plurality of input lines formed on the insulation substrate and connected with corresponding lines of the plurality of external lines.    
     
     
         5 . A display device according to  claim 4 , wherein the external line corresponding to the input line for a highest current flow of the plurality of input lines is placed at a very side of the line section.  
     
     
         6 . A display device according to  claim 4 , wherein the drive circuit comprises a plurality of bumps for input formed at an edge side of the insulation substrate along the edge and connected with a line corresponding to the plurality of input lines, and a bump for input corresponding to an input line for a highest current flow of the plurality of input lines is placed at an outermost side of the drive circuit.  
     
     
         7 . A display device according to  claim 6 , wherein the bumps for input comprise a bump for GND, a bump for power supply and a bump for reference voltage, 
 the bump for GND and the bump for power supply are placed as one block at a side section and a center of the drive circuit, and    the bump for reference voltage is disposed between blocks.    
     
     
         8 . A display device according to  claim 7 , wherein the bump for GND and the bump for power supply are electrically connected with the bump for GND and the bump for power supply in a different block, respectively, in the drive circuit.  
     
     
         9 . A display device according to  claim 7 , wherein the bump for GND or the bump for power supply in one block comprises electrically connected two rows of bumps.  
     
     
         10 . A display device according to  claim 4 , wherein the line section is disposed at every other space between the drive circuits, and the line section is connected with the bumps for input of the drive circuits on both sides.  
     
     
         11 . A display device, comprising: 
 a display panel comprising an insulation substrate;    a plurality of drive circuits disposed with a space along an edge of the insulation substrate to output signals to the display panel;    cascade lines formed on the insulation substrate to connect the drive circuits next to each other; and    a plurality of bumps for cascade line formed on the drive circuit along a side to a display area and a side to an adjacent drive circuit and connected with the plurality of cascade lines.    
     
     
         12 . A display device according to  claim 11 , wherein the cascade lines comprise a clock signal line and a plurality of image data signal lines, and the clock signal line is disposed between the plurality of image data signal lines.  
     
     
         13 . A display device according to  claim 11 , further comprising bumps for output formed along a side of the drive circuit close to a display area to output signals to the display panel, wherein the bumps for output or bumps for a cascade line are placed in a staggered fashion.