Organic electroluminescent device having wiring lines under the partition walls and electronic apparatus using the same
View Patent ↗The invention provides an organic electroluminescent device, a method of manufacturing the organic electroluminescent device, and an electronic apparatus in which it is possible to make an entire display device compact as well as to reduce the manufacture cost. An organic electroluminescent device includes organic electroluminescent elements that each have a light-emitting layer between an anode and a cathode and that are formed on a substrate. The device includes lead-out wiring lines that are electrically connected to the cathodes.
1. An organic electroluminescent device, comprising:
a substrate;
organic electroluminescent elements, each having a light-emitting layer between a first electrode and a second electrode, formed on the substrate;
a partition wall separating adjacent light-emitting layers;
an insulating layer disposed under the partition wall and disposed partially over the first electrode; and
a lead-out wiring line electrically connected to at least one of the first electrode and the second electrode, the lead-out wiring line being disposed between the partition wall and the insulating layer.
2. The organic electroluminescent device according to claim 1 , the first electrodes being pixel electrodes, and the light-emitting layer being made of an organic electroluminescent material.
3. The organic electroluminescent device according to claim 2 , the second electrodes being provided so as to cover at least a part of each lead-out wiring line and a top face of the light-emitting layers.
4. The organic electroluminescent device according to claim 1 , the lead-out wiring lines being disposed so as not to overlap the light-emitting layers.
5. The organic electroluminescent device according to claim 1 , the light-emitting layers being formed by dividing a light-emitting layer, and the light-emitting layers being distributed horizontally; and
the lead-out wiring lines being disposed between the respective light-emitting layers.
6. The organic electroluminescent device according to claim 1 ,
at least two partition walls being provided between the light-emitting layers adjacent to each other; and
at least a part of each lead-out wiring line being disposed between the at least two partition walls.
7. The organic electroluminescent device according to claim 6 , further including connecting parts between the lead-out wiring lines and at least one of the first and second electrodes disposed between the at least two partition walls.
8. The organic electroluminescent device according to claim 1 , the first electrodes being anodes, and the second electrodes being cathodes.
9. The organic electroluminescent device according to claim 1 , the first electrodes being cathodes, and the second electrodes being anodes.
10. The organic electroluminescent device according to claim 1 , each of the lead-out wiring lines being made of a high molecular material.
11. The organic electroluminescent device according to claim 1 , each of the lead-out wiring lines being made of a low molecular material.
12. The organic electroluminescent device according to claim 1 , further including a transparent sealing substrate provided above the organic electroluminescent elements formed on the substrate; and
light emitted from the light-emitting layers including light transmitted through the sealing substrate as display light.
13. The organic electroluminescent device according to claim 1 , the substrate being transparent; and
light emitted from the light-emitting layers including light transmitted through the substrate as display light.
14. An electronic apparatus, comprising:
the organic electroluminescent device according to claim 1 .
15. An organic electroluminescent device according to claim 1 , the lead-out wiring line being disposed so as to overlap the first electrode.
16. An organic electroluminescent device, comprising:
a substrate;
organic electroluminescent elements, each having a light-emitting layer between a first electrode and a second electrode, formed on the substrate;
a partition wall separating the adjacent light-emitting layers;
an insulating layer disposed under the partition wall and disposed partially over the first electrode; and
a lead-out wiring line electrically connected to at least one of the first electrodes and the second electrodes and being disposed between the partition wall and the insulating layer, the lead-out wiring lines being provided between the partition walls and not being provided at a peripheral portion of the substrate.
17. An organic electroluminescent device, comprising:
a substrate;
organic electroluminescent elements, each having a light-emitting layer between a first electrode and a second electrode, formed on the substrate;
a partition wall separating the adjacent light-emitting layers;
a lead-out wiring line electrically connected to at least one of the first electrodes and the second electrodes and formed in a different layer from any of the first and second electrode; and
connecting parts between the lead-out wiring line and at least one of the first and second electrodes disposed between the partition walls, the lead-out wiring lines and at least one of the first electrodes and the second electrodes being connected to each other with a plurality of separated connecting parts.
18. The organic electroluminescent device according to claim 17 , the connecting parts provided between the corner of the diagonally adjacent electroluminescent elements.