EL functional film and EL element
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United States of America Patent
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Jun 18, 2013
Grant Date -
Jan 18, 2007
app pub date -
Feb 27, 2004
filing date -
Feb 28, 2003
priority date (Note) -
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Abstract
An EL element 1 comprises EL functional layers 6, 10 comprising Ga2O3:Eu between a thick film insulator layer 16 and an upper electrode 12 provided on a substrate 2 on which a lower electrode 4 was formed and a light-emitting layer 8 comprising MgGa2O4 formed therebetween. The EL functional layers 6, 10 have the dual functions of insulating layers and electron doping layers. Due to this, the EL element 1 has a low drive voltage and high light-emitting brightness, and the structure of the EL element is simplified.
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