Thermal transfer element and process for forming organic electroluminescent devices
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United States of America Patent
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Sep 18, 2001
Grant Date -
May 3, 2001
app pub date -
Dec 1, 2000
filing date -
Jan 15, 1999
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Abstract
Disclosed are thermal transfer elements and processes for patterning organic materials for electronic devices onto patterned substrates. These donor elements and methods are particularly suited for making organic electroluminescent devices and displays. The donor elements can include a substrate, and optional light-to-heat conversion layer, and a single or multicomponent transfer layer that can be imagewise transferred to a receptor to form an organic electroluminescent device, portions thereof, or components therefor, The methods offer advantages over conventional patterning techniques such as photolithography, and make it possible to fabricate new organic electroluminescent device constructions.
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