OLED device
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United States of America Patent
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Apr 21, 2009
Grant Date -
Jul 27, 2006
app pub date -
Nov 30, 2005
filing date -
Jan 26, 2005
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Abstract
An organic light-emitting device (OLED) comprising an organic active region which emits electromagnetic radiation, a conversion material which converts a portion of the radiation into light of a certain spectral range, and a filter material which transmits said light.
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