Synthesis Of Novel Small Molecular Fluorescent Compounds For Organic Light Emittting Diodes

Organic electroluminescence has made great progress with the development of organic thin film science and technology. Organic electroluminescent devices, which are also called organic light emitting diodes(OLEDs), are fabricated with organic electroluminescent materials between a metal cathode and a transparent anode, and emit light under a certain voltage applied on electrodes. OLEDs are of growing interest in various display application because of their active lighting, lower power, gently weight, higher quantum yield and lowercost than other flat panel displays.Structures, functions and factors that influence the performance of organic light-emitting devices were summarized, and principles, progress of light emitting interpreted. This thesis describes the design,synthesis as well as electroluminescence properties of three varieties of new organic small molecules. They are characterized by ~1HNMR,IR,Elemental analysis and UV-Vis. By the measurement of photoluminescence based method some compounds have shown relatively strong fluorescence properties.