FILM-FORMING FORMULATIONS FOR SUBSTRATE PRINTING
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United States of America Patent
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Issued Date -
Sep 26, 2013
app pub date -
Sep 14, 2012
filing date -
Sep 16, 2011
priority date (Note) -
Abandoned
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Abstract
Film-forming formulations are provided that satisfy a plurality of criteria for inkjet printing, thermal printing, or both. Criteria for film-forming formulations are also provided for selecting vehicles, combinations of vehicles, and film-forming materials, based upon viscosity, surface tension, solubility, and properties of printed films formed by such formulations. Film-forming formulations useful in the fabrication of organic light emitting devices (OLEDs) are provided including formulations useful for the fabrication of OLED hole transport layers, hole injection layers, electron transport layers, electron injection layers, and emissive layers, of an OLED. Methods of evaluating formulations for suitability in inkjet printing, thermal printing, or both, are also provided.
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