OLED device with stabilized green light-emitting layer
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United States of America Patent
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Apr 3, 2012
Grant Date -
Sep 2, 2010
app pub date -
Feb 27, 2009
filing date -
Feb 27, 2009
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Abstract
The invention provides an OLED device including an anode, a cathode and a green light-emitting layer located therebetween, said light-emitting layer including an anthracene host, a bis-diarylamine 9,10-substituted anthracene and a stabilizer compound which is selected from a quinacridone or a biphenylstyrylamine. Devices of the invention provide improvement in features such as stability and efficiency while maintaining excellent color.
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