Tandem Organic Electroluminescent Element and Use of the Same
First Claim
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1. A tandem organic electroluminescent element, comprising:
- an anode;
a cathode;
a first organic electroluminescent unit and a second organic electroluminescent unit disposed between the anode and the cathode; and
a connecting layer disposed between the first organic electroluminescent unit and the second organic electroluminescent unit, wherein the connecting layer comprises a bipolar organic compound and a conductive dopant.
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Abstract
A tandem organic electroluminescent element for use in an organic electroluminescent display is provided. The organic electroluminescent element comprises an anode, a cathode, a first organic electroluminescent unit, a second organic electroluminescent unit, and a connecting layer. Both the first organic electroluminescent unit and the second organic electroluminescent unit are disposed between the anode and the cathode. The connecting layer is between the first and second units, and comprises a bipolar organic compound and a conductive dopant.
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9 Claims
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1. A tandem organic electroluminescent element, comprising:
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an anode; a cathode; a first organic electroluminescent unit and a second organic electroluminescent unit disposed between the anode and the cathode; and a connecting layer disposed between the first organic electroluminescent unit and the second organic electroluminescent unit, wherein the connecting layer comprises a bipolar organic compound and a conductive dopant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification