P‐13: Large Subthreshold Swing of LTPS TFTs by Efficient Annealing Method for Light Emitting Diode Displays
Takao Saito, Y. Kanzaki, Masahiko Miwa, M. Yamanaka, Sun Yi, Seiji Kaneko, Yoshiharu Kataoka
Abstract
In the OLED backplane process, we have succeeded in controlling the TFT characteristics by optimizing the condition of hydrogenation annealing. This resulted in the good gray level control of the OLED display. We have finally developed the OLED smartphone display using this technology.
Topics & Concepts
OLEDThin-film transistorMaterials scienceOptoelectronicsBackplaneSubthreshold conductionAnnealing (glass)SwingDiodeComputer scienceTransistorElectrical engineeringComputer hardwareEngineeringVoltageNanotechnologyMechanical engineeringLayer (electronics)Composite materialThin-Film Transistor TechnologiesOrganic Light-Emitting Diodes ResearchColor Science and Applications