A Floating-Gate OTFT-Driven AMOLED Pixel Circuit for Variation and Degradation Compensation In Large-Sized Flexible Displays

摘要

For the first time, we demonstrate an AMOLED pixel circuit on a 13-μm thick plastic film that applies floating-gate organic TFTs (FG-OTFTs) to compensate for OTFT driving current variations and OLED efficiency degradations. By programming V_(TH) of the FG-OTFTs, we can realize less than 5% spatial non-uniformity and 85% power reduction compared with voltage-programming.