Transparent electrodes
First Claim
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1. A cathode, comprising:
- (a) an electron injection layer disposed over an organic operative layer of an opto-electronic device;
(b) an organic buffer layer disposed over the electron injection layer;
(c) a conducting layer disposed over the organic buffer layer;
(d) a transparent conductive oxide layer disposed over the conducting layer.
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Abstract
A cathode adapted for use in an organic optoelectronic device is provided. The cathode has an electron injection layer, an organic buffer layer, a conducting layer, and a transparent conductive oxide layer disposed, in that order, over the organic operative layers of the optoelectronic device. A method of fabricating the cathode is also provided.
1123 Citations
41 Claims
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1. A cathode, comprising:
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(a) an electron injection layer disposed over an organic operative layer of an opto-electronic device;
(b) an organic buffer layer disposed over the electron injection layer;
(c) a conducting layer disposed over the organic buffer layer;
(d) a transparent conductive oxide layer disposed over the conducting layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A cathode, comprising:
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(a) a layer of LiF adapted to be physically and electrically connected to an organic operative layer of an organic light emitting device;
(b) a layer of Al physically and electrically connected to the layer of LiF;
(c) a layer of CuPc physically and electrically connected to the layer of Al;
(d) a layer of MgAg physically and electrically connected to the layer of CuPc;
(e) a layer of ITO physically and electrically connected to the layer of CuPc.
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24. A device, comprising:
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(a) an anode disposed over a substrate;
(b) an organic operative layer disposed over and electrically connected to the anode;
(c) a cathode disposed over and electrically connected to the organic emissive layer, the cathode further comprising;
(i) an electron injection layer physically and electrically connected to the organic emissive layer;
(ii) an organic buffer layer physically and electrically connected to the electron injection layer;
(iv) a conductive layer physically and electrically connected to the organic buffer layer;
(v) a transparent conductive oxide layer physically and electrically connected to the conductive layer.
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25. A method of fabricating a transparent cathode, comprising the steps of:
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(a) depositing an electron injection layer over an organic operative layer of an organic optoelectronic device;
(b) depositing an organic buffer layer over the electron injection layer;
(c) depositing a conductive layer over the organic buffer layer;
(d) depositing a transparent conductive oxide layer over the conductive layer. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A transparent cathode fabricated by the steps of:
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(a) depositing an electron injection layer over an organic operative layer of an organic optoelectronic device;
(b) depositing an organic buffer layer over the electron injection layer;
(c) depositing a conductive layer over the organic buffer layer;
(d) depositing a transparent conductive oxide layer over the conductive layer.
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Specification