Organic electroluminescence element, display device and lighting device
View Patent ↗In an organic electroluminescence element which incorporates a substrate having thereon an anode and a cathode and which incorporates a plurality of organic layers between the aforesaid anode and cathode, wherein at least one of the aforesaid organic layers is a first organic layer incorporating a compound having at most 10 repeating units, the first organic layer being prepared by coating the compound having at least one polymerizable group, followed by polymerization.
1. An organic electroluminescence element comprising a substrate having thereon an anode, a cathode and a plurality of organic layers between the anode and the cathode,
wherein at least one of the organic layers is a first organic layer comprising a first oligomer compound having 2 to 10 repeating units; and
the organic electroluminescence element further comprises a second organic layer comprising a second oligomer compound stacked on the first organic layer, provided that the second oligomer compound has 2 to 10 repeating units; and
the first organic layer is an electron transporting layer and the second organic layer is a positive hole transporting layer.
2. The organic electroluminescence element of claim 1 , wherein the substrate is a transparent gas barrier film.
3. The organic electroluminescence element of claim 1 , wherein the organic electroluminescence element emits a white light.
4. A display device comprising the organic electroluminescence element of claim 3 .
5. A lighting device comprising the electroluminescence element of claim 3 .
6. A display device comprising:
a liquid crystal element as a display means; and
the lighting device of claim 5 .
7. The organic electroluminescent element of claim 1 , wherein the repeating unit in the first oligomer compound and the second oligomer compound is derived from at least one selected from the groups consisting of: