Patent ID: 6246384
Filing Date: 2001-06-12
Classification: G09G

Abstract:
An electroluminescence display apparatus for performing display operations by an electroluminescence device, which comprises an anode and a cathode, emitting light, comprising:a first thin-film transistor, having a source electrode connected to a holding capacitor, a drain electrode connected to a drain signal line, and a gate electrode connected to a gate signal line;a second thin-film transistor, having a drain electrode connected to a driving power supply of said electroluminescence device, and a gate electrode connected to the source electrode of said first thin-film transistor;a third transistor and a fourth transistor, connected between the source electrode of said second thin-film transistor and said anode of said electroluminescence device, for being switched in accordance with a predetermined external signal that is applied to respective gate electrodes; anda charging capacitor, which is connected between said third thin-film transistor and fourth thin-film transistor.