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US 2006/0138939 A1Published application
Light emissive device
AssigneeCambridge Display Technology Limited
InventorMatthew Roberts
Life of this patent
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Abstract
An organic light emissive device including a cathode; an anode; and an organic light emissive region between the cathode and the anode, wherein the cathode includes a transparent bilayer comprising a layer of a low work function metal having a work function of no more than 3.5 eV and a transparent layer of silver.
Claims16
-13. (canceled)
An organic light emissive device comprising:
- a cathode;
- an anode;
- and
- an organic light emissive region between the cathode and the anode,
- wherein the cathode comprises a transparent bilayer comprising a layer of a low work function metal having a work function of no more than 3.5 eV and a transparent layer of silver.
2 more elements
Dependencies are inferred from the claim text.