Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2006-11-03
2010-10-05
Truong, Duc (Department: 1796)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C528S422000, C313S503000, C313S504000, C313S506000
Reexamination Certificate
active
07807276
ABSTRACT:
A light emitting layer for an organic LED, comprising at least one electron transporting compound, at least one hole transporting compound and a rare earth metal ion compound, whereby the light emitting layer furthermore comprises at least one exciton conducting compound.
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Koninklijke Philips Electronics , N.V.
Truong Duc
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