TANDEM WHITE OLED WITH EFFICIENT ELECTRON TRANSFER
First Claim
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1. 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.
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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.
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Citations
8 Claims
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1. A white-light-emitting tandem OLED device having spaced anode and cathode comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification