LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR REPAIRING DISPLAY DEFECT THEREOF

摘要

PURPOSE:To obtain the matrix type liquid crystal display device which can repair the display defects occurring in the defects of thin-film transistors (TFTs). CONSTITUTION:A conductive film is deposited on an insulating substrate 1 and a gate inorg. insulating film 3, a gate wiring 10 and a floating electrode 11 are formed. Two picture element electrodes 8 are formed so as to overlap on the floating electrode 11 via an insulating layer 4. The display defect point of the liquid crystal display device having such structure is detected and the defective TFT 2 is electrically disconnected from the picture element electrode 8 of the display defective part. The part where this picture element electrode 8 and the floating electrode 11 are overlapped is irradiated with a laser beam to connect the picture element electrode 8 and the floating electrode 11 indicating the display defect. The other end of the floating electrode 11 is similarly connected to the corresponding picture element electrode 8. Since the normal TFT is connected to the picture element electrode 8, the display defect is repaired.