22‐2: An Ultra‐thin Flexible Thin Film Encapsulation Structure with High Transmittance and Reliability

Abstract

We report an ultra-thin film encapsulation structure composited of atomic layer deposition layer and organic layer, which show a 4% improvement in transmittance with tandem TFE film, especially for blue region (94% up to 99%) and a 60% thickness decrease of inorganic layer. The TFE film shows an excellent flexibility performance, there was no crack after 60/90 500 hour static bending for R2. It also shows good reliability, storage for 85/85 500h, which indicates a great potential application in flexible display, especially for bendable display.

P‐78: An Adhesion Reinforced Structure for TFE of Flexible OLED Display

“…In the OLED device, electroluminescence (EL) materials consisted of the Van der Waals force which is much weaker than chemical forces. How to improve the mechanical performance and the durability of the flexible OLED device was attracts the attention of researchers [4][5] , especially the improvement related to the EL materials and the interface between EL materials and encapsulation structures. Interlayers were used in a prior work 6 to increase the adherence of EL materials to thin film encapsulation (TFE) layers.…”