Liquid crystal display device

Abstract

A liquid crystal display device includes a plurality of pixels, a plurality of image signal lines for applying a plurality of gray scale voltages to the plurality of pixels, and an image signal line drive unit including a film substrate and a semiconductor integrated circuit device formed on the film substrate. The semiconductor integrated circuit includes a plurality of input terminals, a plurality of output terminals, a first terminal, and a second terminal. The film substrate comprises a plurality of first wirings, a plurality of second wirings, and a third wiring. The third wiring and the first terminal are connected between the semiconductor integrated circuit device and the film substrate, and the third wiring and the second terminal are connected between the semiconductor integrated circuit device and the film substrate.

1 . A liquid crystal display device comprising: 
 a plurality of pixels;    a plurality of image signal lines for applying a plurality of gray scale voltages to the plurality of pixels;    an image signal line drive unit comprising a film substrate and a semiconductor integrated circuit device formed on the film substrate;    wherein the semiconductor integrated circuit comprises a plurality of input terminals, a plurality of output terminals, a first terminal, and a second terminal;    wherein the film substrate comprises a plurality of first wirings electrically connected to the plurality of image signal lines and the plurality of output terminals of the semiconductor integrated circuit device, a plurality of second wirings electrically connected to the plurality of input terminals of the semiconductor integrated circuit, and a third wiring electrically connected to the first terminal and the second terminal of the semiconductor integrated circuit device; and    wherein the third wiring and the first terminal are connected between the semiconductor integrated circuit device and the film substrate, and the third wiring and the second terminal are connected between the semiconductor integrated circuit device and the film substrate.    
   
   
       2 . A liquid crystal display device according to  claim 1 , wherein the plurality of first wirings and the plurality of output terminals are connected between the semiconductor integrated circuit device and the film substrate, and the plurality of second wirings and the plurality of input terminals are connected between the semiconductor integrated circuit and the film substrate.  
   
   
       3 . A liquid crystal display device according to  claim 2 , wherein the third wiring is formed between the semiconductor integrated circuit device and the film substrate.  
   
   
       4 . A liquid crystal display device according to  claim 3 , wherein a power voltage of the semiconductor integrated circuit device is applied to the third wiring.  
   
   
       5 . A liquid crystal display device according to  claim 3 , wherein a clock signal of the semiconductor integrated circuit device is applied to the third wiring.  
   
   
       6 . A liquid crystal display device according to  claim 3 , wherein the semiconductor integrated circuit device comprising a longer edge and a shorter edge, and the third wiring extends in parallel with the longer edge.  
   
   
       7 . A liquid crystal display device according to  claim 3 , wherein the third wiring is electrically connected to an external device of the image signal line drive unit.