期刊
MRS BULLETIN
卷 28, 期 11, 页码 821-827出版社
MATERIALS RESEARCH SOCIETY
DOI: 10.1557/mrs2003.231
关键词
chemical synthesis; electrical properties; electro-optical materials; inkjet printing; liquids; polymers; solution processing
Based on the concept of a microliquid process, we have developed an organic electroluminescent display using conductive polymers, including light-emitting polymers. The technology of inkjet printing has progressed enough to be used for the microliquid process. First, we describe the process used to form a patterned thin film. This involves inkjet-related technologies, the self-patterning behavior of a microliquid on the substrate and the drying process that defines the thickness profile and film properties. Some microliquid behaviors and related phenomena, along with properties of the resulting film, were identified as distinct from those coming from a macroscopic liquid, as a result of size effects. By fully utilizing these unique properties of microliquids, we have succeeded in fabricating color-pixel arrays by direct patterning of polymer solutions. As a result, an organic electroluminescent display with a vivid full-color image-has been developed.
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