9.2: A Novel Lamination Process for Flexible AMOLED Encapsulation

Abstract

Abstract.In order to decrease the bending radius of flexible OLED, an ultra-thin barrier film (UTBF) was developed and applied on the 4.8 inch flexible AMOLED display for reduce the total thickness of the panel. Furthermore, a novel transfer lamination process assisted with a thermal release adhesive was applied into the encapsulation process with a high-precision alignment system. The cathode-peeling risk during display lift-off process and bending process declined remarkably. The storage lifetime of the AMOLED is more than 240 hours at 60℃ and 90% RH and the bending times reached to 10,000 times at a 4mmφ radius.