Electroluminescent device having piezoelectric component
View Patent ↗An example embodiment there is provided an electroluminescent device comprising: an electroluminescent component, a first piezoelectric component, an alpha electrode and a first beta electrode, the electroluminescent component being located between the alpha electrode and the first piezoelectric component, the first beta electrode being in electrical contact with the alpha electrode and in electrical contact with the first piezoelectric component, the alpha electrode, first beta electrode, first piezoelectric component, and electroluminescent component being configured to generate a potential difference across the electroluminescent component responsive to a mechanical stress applied to the first piezoelectric component.
1. An electroluminescent device comprising:
an electroluminescent component, a first piezoelectric component, an alpha electrode and a first beta electrode, the electroluminescent component being located between the alpha electrode and the first piezoelectric component, the first beta electrode being in electrical contact with the alpha electrode and in electrical contact with the first piezoelectric component, wherein the alpha electrode, first beta electrode, first piezoelectric component, and electroluminescent component are configured to generate a potential difference across the electroluminescent component responsive to a mechanical stress applied to the first piezoelectric component, and further comprising:
a second piezoelectric component, and a second beta electrode that is in electrical contact with the alpha electrode and in electrical contact with the second piezoelectric component, the electroluminescent component being located between the alpha electrode and the second piezoelectric component, wherein the electroluminescent component, the alpha electrode, the second beta electrode, and the second piezoelectric component are configured to generate a potential difference across the electroluminescent component responsive to a mechanical stress applied to the second piezoelectric component and wherein the second beta electrode is located between the alpha electrode and the first beta electrode.
2. An electroluminescent device according to claim 1 , wherein the electroluminescent device comprises more than one second beta electrodes, and more than one second piezoelectric components.
3. An electroluminescent device according to claim 2 , wherein any one of the first piezoelectric component, or respectively any one or any combination of the first and second piezoelectric components comprises a multiplicity of piezoelectric particles.
4. An electroluminescent device according to claim 3 , wherein any one of the first piezoelectric component, or respectively any one or any combination of the first and second piezoelectric components comprises a multiplicity of piezoelectric nanoparticles.
5. An electroluminescent device according to claim 2 , wherein any one of the first piezoelectric component, or respectively any one or any combination of the first and second piezoelectric components comprises a multiplicity of contact piezoelectric particles, each contact piezoelectric particle being in electrical contact with a corresponding beta electrode.
6. An electroluminescent device according to claim 2 , wherein any one of the first piezoelectric component, or respectively any one or any combination of the first and second piezoelectric components comprises a multiplicity of substantially aligned piezoelectric particles.
7. An electroluminescent device according to claim 2 , wherein any one of the first piezoelectric component, or respectively any one or any combination of the first and second piezoelectric components comprises one or more of piezoelectric nanofilaments, piezoelectric nanotubes, or piezoelectric nanowires.
8. An electroluminescent device according to claim 1 , wherein the electroluminescent component is located between the alpha electrode and the first beta electrode, and wherein the first piezoelectric component is located between the electroluminescent component and the first beta electrode.
9. An electroluminescent device according to claim 1 , wherein the electroluminescent device further comprises a first dielectric component located between the alpha electrode and the first piezoelectric component.
10. An electroluminescent device according to claim 9 , wherein the first dielectric component is located between the electroluminescent component and the first piezoelectric component.
11. An electroluminescent device according to claim 9 , wherein the first dielectric component comprises a resiliently flexible dielectric material.
12. An electroluminescent device according to claim 9 , wherein the electroluminescent device further comprises a plurality of dielectric components.
13. An electroluminescent device according to claim 1 , wherein the first piezoelectric component comprises a resiliently flexible dielectric material.
14. An electroluminescent device according to claim 1 , wherein the electroluminescent device further comprises a second dielectric component located between the alpha electrode and the second piezoelectric component.
15. An electroluminescent device according to claim 14 , wherein the second dielectric component is located between the electroluminescent component and the second piezoelectric component.
16. An electroluminescent device according to claim 14 , wherein the second dielectric component comprises a resiliently flexible dielectric material.
17. An electroluminescent device according to claim 14 wherein the first piezoelectric component comprises a resiliently flexible dielectric material.
18. An electroluminescent device according to claim 1 , wherein the electroluminescent device further comprises a plurality of electroluminescent components, a plurality of alpha electrodes, a plurality of first beta electrodes.
19. An electroluminescent device according to claim 1 , wherein the device comprises a plurality of second beta electrodes, and a plurality of second piezoelectric components.
20. An electroluminescent device according to claim 1 , wherein the first piezoelectric component comprises a multiplicity of piezoelectric particles.
21. An electroluminescent device according to claim 20 , wherein the first piezoelectric component comprises a multiplicity of piezoelectric nanoparticles.
22. An electroluminescent device according to claim 1 , wherein the first piezoelectric component comprises a multiplicity of contact piezoelectric particles, each contact piezoelectric particle being in electrical contact with the first beta electrode.
23. An electroluminescent device according to claim 1 , wherein the first piezoelectric component components comprises a multiplicity of substantially aligned piezoelectric particles.
24. An electroluminescent device according to claim 1 , wherein the first piezoelectric component comprises one or more of piezoelectric nanofilaments, piezoelectric nanotubes, or piezoelectric nanowires.