Organic Light-emitting Device with a Phosphor-sensitized Fluorescent Emission Layer
The present invention relates to organic light emitting devices (OLEDs), and more specifically to OLEDS that emit light using a combination of fluorescent emitters and phosphorescent emitters. The emissive region of the devices of the present invention comprise at least one phosphor-sensitized layer which has a combined emission from a phosphorescent emitter and a fluorescent emitter. Ih preferred embodiments, the invention relates to white-emitting OLEDS (WOLEDs).
FORREST STEPHEN R [US]; KANNO HIROSHI [JP]
Type of Offer:
« More Optical Science Patents« More Electronics Patents