Tandem white OLED with efficient electron transfer
AssigneeGlobal OLED Technology LLC
InventorsJeffrey P. Spindler, Tukaram K. Hatwar, William J. Begley
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Abstract
A white-light-emitting tandem OLED device having spaced anode and cathode including: first and second light-emitting units disposed between the anode and cathode; an intermediate connector including an n-type layer and a p-type layer disposed between the first and second light-emitting units; and a fluoranthene-containing electron-transporting layer adjacent to the n-type layer of the intermediate connector and including at least 25% of a 7,10-diaryl-substituted fluoranthene compound having no aromatic rings annulated to the fluoranthene nucleus.
Claims14
A white-light-emitting tandem OLED device having spaced anode and cathode comprising:
- a. first and second light-emitting units disposed between the cathode and anode;
- b. an intermediate connector comprising an n-type layer and a p-type layer disposed between the first and second light-emitting units;
- and
- c. a fluoranthene-containing electron-transporting layer adjacent to the n-type layer of the intermediate connector and comprising at least 25% of a 7,10-diaryl-substituted fluoranthene compound having no aromatic rings annulated to the fluoranthene nucleus.
Dependencies are inferred from the claim text.