Organic device with environmental protection structure

• US 7,355,204 B2
• Filed: 12/30/2004
• Issued: 04/08/2008
• Est. Priority Date: 12/30/2004
• Status: Expired due to Fees

• Current Assignee: E. I. du Pont de Nemours and Company (Corteva, Inc.)
• Original Assignee: E. I. du Pont de Nemours and Company (Corteva, Inc.)
• Inventors: Coe, Nigel Morton
• Primary Examiner(s): Purvis; Sue A.
• Assistant Examiner(s): Rodela; Eduardo A.
• Application Number:
  US11/026,263
• Publication Number:
  US 20060145596A1
• Time in Patent Office: 1,195 Days
• Field of Search: 257/72
• US Class Current: 257/72
• CPC Class Codes: H10K 50/841 Self-supporting sealing arrangements
• CPC Class Codes: H10K 50/8426 Peripheral sealing arrangements, e.g. adhesives, sealants
• CPC Class Codes: H10K 59/179 Interconnections, e.g. wiring lines or terminals

Abstract

An organic electronic device includes a first member including: a substrate; a first conductive layer formed on the substrate; an organic active layer deposited on a portion of the first conductive layer; and a second conductive layer deposited on the organic active layer and on the first conductive layer; and a second member coupled to the first member to form an enclosed space, the second member including: a lid; and a third conductive layer deposited on the lid, wherein the third conductive layer is electrically coupled to one or both of the first and the second conductive layers.

Claims

1. An organic electronic device comprising:

a first member including;

a substrate;

a first conductive layer overlying the substrate, wherein the first conductive layer extends to one or more edges of the substrate;

an organic active layer overlying a portion of the first conductive layer; and

a second conductive layer overlying the organic active layer and the first conductive layer; and

a second member coupled to the first member to form an enclosed space, the second member including;

a lid; and

at least one trace electrically coupled to the first conductive layer, the second conductive layer, or both the first and second conductive layers, wherein the at least one trace is the only electronic component within the second member.

2. The organic electronic device of claim 1, wherein the first conductive layer comprises:

first electrodes that overlie a surface of the substrate; and

leads that are electrically isolated from the first electrodes and overlie the substrate.

3. The organic electronic device of claim 2, wherein the leads extend to one or more edges of the substrate.

4. The organic electronic device of claim 2, wherein the at least one trace comprises:

a first set of traces; and

a second set of traces that are electrically isolated from the first set of traces.

5. The organic electronic device of claim 4, wherein the first electrodes are electrically coupled to the first set of traces and the leads are electrically coupled to the second set of traces.

6. The organic electronic device of claim 5, wherein the second conductive layer comprises second electrodes that are electrically coupled to the leads through vias in the organic active layer.

7. The organic electronic device of claim 4, wherein the first set of traces and second set of traces extend to an edge of the lid.

8. An organic electronic device comprising:

a first member including;

a substrate, a first conductive layer overlying the substrate, an organic active layer overlying a portion of the first conductive layer within a matrix, and a second conductive layer overlying the organic active layer and on the first conductive layer; and

a second member coupled to the first member, wherein an enclosed space lies between the first member and the second member, the second member including;

a lid;

a getter layer covering most of the matrix of the first member; and

a third conductive layer, wherein the third conductive layer is electrically coupled to one or both of the first and the second conductive layers; and

an electrically conductive sealant material comprising beads of electrically conductive material mixed with epoxy is located between the second member and the first member to electrically coupling the first conductive layer to the third conductive layer.

9. The organic electronic device of claim 8, wherein the electrically conductive sealant couples the lid to the substrate to form an enclosed space.

10. An organic electronic device comprising:

a substrate having a first conductive layer, an organic active layer, and a second conductive layer formed thereon;

a member including a nonconductive lid coupled to the substrate, the lid comprising a third conductive layer overlying a surface of the lid, wherein the second conductive layer is electrically coupled to the first conductive layer and the first conductive layer is electrically coupled to the third conductive layer,

wherein the organic electronic device is configured to emit light from only a single side of the organic electronic device.

11. The organic electronic device of claim 10, wherein the substrate is coupled to the lid with an electrically conductive sealant wherein the sealant electrically couples the first conductive layer to the third conductive layer.

12. The organic electronic device of claim 10, wherein the first conductive layer comprises leads and electrodes that are electrically isolated from each other, and wherein the second conductive layer is electrically coupled to the leads through vias in the organic active layer.

13. A method of making an organic electronic device comprising:

providing a first member with a first conductive layer;

depositing an organic active layer and a second conductive layer over the first conductive layer;

selectively removing the organic active layer to expose portions of the first conductive layer, wherein the exposed portions of the first conductive layer are electrically coupled to the second conductive layer;

depositing a third conductive layer over a lid;

placing a getter layer over a center of the lid, wherein a second member includes the lid, the third conductive layer, and the getter layer; and

coupling the second member to the first member with a conductive sealant such that the first member and the second member enclose the organic active layer and the second conductive layer, and the third conductive layer is electrically coupled to at least the first conductive layer.

14. The method of claim 13 wherein the first conductive layer comprises electrodes and leads, and wherein at least one or more of the electrodes and the leads extend to an edge of the first member.

15. The method of claim 14, wherein the third conductive layer comprises a first set of traces and a second set of traces that are electrically isolated from each other.

16. The method of claim 15, wherein the electrodes in the first conductive layer are electrically coupled to the first set of traces in the third conductive layer.

17. The method of claim 13 further comprising a getter material that is enclosed by the first member and the second member.

18. A method of making an organic electronic device, the method comprising:

providing a substrate;

forming a first conductive layer over the substrate;

depositing an organic active layer over a portion of the first conductive layer;

depositing a second conductive layer over the organic active layer and the first conductive layer;

forming at least one trace over a lid; and

combining the substrate with the lid using a conductive sealant comprising beads of electrically conductive material mixed with epoxy, wherein the conductive sealant electrically couples the at least one trace to the first conductive layer, the second conductive layer, or both the first and the second conductive layers,

wherein the organic electronic device is configured to emit light from only a single side of the organic electronic device.