Very high efficiency organic light emitting devices based on electrophosphorescence

The invention relates to an organic light emitting device comprising an anode, a cathode, and an emissive layer, wherein the emissive layer is located between the anode and the cathode, and the emissive layer comprises a phosphorescent organometallic compound, wherein the phosphorescent organometallic compound is a cyclometallated iridium or osmium compound in particular including a cyclometallated ring having a carbon-metal bond.

Patents:
EP 2,306,495

Inventor(s): BALDO MARC A [US]; BURROWS PAUL E [US]; FORREST STEPHEN R [US]; THOMPSON MARK E [US]; LAMANSKY SERGEY [US]; DJUROVICH PETER [US]

Type of Offer: Licensing



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