Enhanced efficiency of organic light emitting devices (OLEDs) by control of laser imaging condition

► The method to reduce a thermal deformation of OLED devices by laser imaging process. ► Comparison of OLED devices prepared with different dwell time during laser patterning. ► Effect of thermal annealing on device performances. ► High efficiency OLED devices fabricated by LITI process. ► Low operating voltage green OLED devices fabricated by LITI process.