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US 12,479,861 B2Granted
Organic electroluminescent materials and devices
AssigneeUniversal Display Corporation
InventorsPeter Wolohan, Tyler Fleetham, Jerald Feldman
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Abstract
Provided are boron-containing compounds. Also provided are formulations comprising these boron-containing compounds. Further provided are OLEDs and related consumer products that utilize these boron-containing compounds.
Claims20
An organic light emitting device (OLED) comprising:
- an anode;
- a cathode;
- and
- an emissive layer disposed between the anode and the cathode,
- wherein the emissive layer comprises a first compound and a second compound;
- wherein the first compound is a boron compound possessing a trigonal planar geometry;
- wherein the second compound is a Pt(II) complex possessing a square planar geometry;
- and
- wherein the first compound is an acceptor, and the second compound is a sensitizer.
6 more elements
Dependencies are inferred from the claim text.