Abstract
We present a novel integration process of all organic Thin Film Transistor (TFTs) and its electrical characterization. The test circuit is designed to drive an active matrix of organic light emitting diode (AMOLED). The process is performed in both plastic (Polyethylene naphthalene, PEN) and glass substrates. The basic circuit is formed by two pentacene-based transistors and a capacitor. All of these devices use parylene as dielectric. As a result of the electrical characterization, we show that this circuit can deliver up to 40 mu A. This current level is appropriate if we consider that the minimum required current to obtain 200 cd/m super(2) from a typical OLED is of 10 mu A.Original Abstract: Presentamos una nueva forma de integration y caracterizacion electrica de TFTs completamente organico. El circuito de prueba esta disenado para controlar una matriz activa de diodos emisores de luz organicos. El proceso es desarrollado tanto en substrates de plastico (Polyethylene naphthalene, PEN) como en substrates de vidrio. El circuito basico consiste de 2 transistores de pentaceno y un capacitor. En estos dispositivos empleamos perileno como dielectrico. Como resultado del proceso de caracterizacion electrica, reportamos que nuestro circuito puede proveer a cada OLED hasta 40 mu A. Este nivel de corriente es apropiado considerando que la corriente minima requerida para lograr 200 cd/m super(2) en un OLED es de 10 mu A.