SEMICONDUCTOR DEVICE, AND MANUFACTURING METHOD THEREOF

摘要

IN A DISPLAY DEVICE SUCH AS A LIQUID CRYSTAL DISPLAY DEVICE, A LARGE-SIZED DISPLAY SCREEN IS REALIZED UNDER LOW POWER CONSUMPTION. A SURFACE OF A SOURCE WIRING LINE OF A PIXEL PORTION EMPLOYED IN AN ACTIVE MATRIX TYPE LIQUID CRYSTAL DISPLAY DEVICE IS PROCESSED BY WAY OF A PLATING PROCESS OPERATION SO AS TO LOWER A RESISTANCE VALUE OF THIS SOURCE WIRING LINE. THE SOURCE WIRING LINE OF THE PIXEL PORTION IS MANUFACTURED AT A STEP DIFFERENT FROM A STEP FOR MANUFACTURING A SOURCE WIRING LINE OF A DRIVE CIRCUIT PORTION. FURTHER, ELECTRODES OF A TERMINAL PORTION ARE PROCESSED BY A PLATING PROCESS OPERATION SO AS TO REDUCE A RESISTANCE VALUE THEREOF