Claims
- 1. An alternating current electroluminescent device comprising:(a) a plurality of conductive electrodes; (b) an electroluminescent phosphor material located between a first dielectric layer and a second dielectric layer; (c) a conductive transparent electrode layer wherein at least a portion of, (1) said electroluminescent phosphor material and (2) at least one of said first and second dielectric layers are located between said conductive electrodes and said conductive transparent electrode layer, where said first dielectric layer is closer to said transparent electrode layer than said second dielectric layer; and (d) a non-uniform substantially non-conductive light absorbing material located between said conductive transparent electrode layer and said first dielectric layer.
- 2. The device of claim 1 wherein said phosphor material provides a broad white output.
- 3. The device of claim 1 wherein said electroluminescent phosphor material includes multiple layers.
- 4. The device of claim 1 wherein said absorbing material is patterned substantially around each pixel.
- 5. The device of claim 4 wherein each said conductive electrode includes a respective plurality of sub-pixels.
- 6. The device of claim 5 wherein at least two of said sub-pixels have a different output spectrum.
- 7. The device of claim 6 wherein said absorbing material is patterned substantially around each said sub-pixel.
- 8. The device of claim 7 wherein said absorbing material is non-overlapping with said conductive electrodes.
- 9. The device of claim 7 wherein said absorbing material is overlapping with said conductive electrodes.
- 10. An alternating current electroluminescent device comprising:(a) a plurality of conductive electrodes; (b) an electroluminescent phosphor material located between a first dielectric layer and a second dielectric layer; (c) a transparent electrode layer wherein at least a portion of, (1) said electroluminescent phosphor material and (2) at least one of said first and second dielectric layers are located between said conductive electrodes and said conductive transparent electrode layer, where said first dielectric layer is closer to said transparent electrode layer than said second dielectric layer; and (d) a non-uniform substantially non-conductive non-light absorbing material located between said transparent electrode layer and said first dielectric layer.
- 11. The device of claim 10 wherein said phosphor material provide s a broad white output.
- 12. The device of claim 10 wherein said electroluminescent phosphor material includes multiple layers.
- 13. The device of claim 10 wherein said non-light absorbing material is patterned substantially around each pixel.
- 14. The device of claim 13 wherein each said conductive electrode includes a respective plurality of sub-pixels.
- 15. The device of claim 14 wherein at least two of said sub-pixels have a different output spectrum.
- 16. The device of claim 15 wherein said non-light absorbing material is patterned substantially around each said sub-pixel.
- 17. The device of claim 16 wherein said non-light absorbing material is non-overlapping with said conductive electrodes.
- 18. The device of claim 16 wherein said non-light absorbing material is overlapping with said conductive electrodes.
- 19. An alternating current thin-film electroluminescent device comprising:(a) a plurality of conductive electrodes; (b) an electroluminescent phosphor material located between a first dielectric layer and a second dielectric layer; (c) a conductive transparent electrode layer wherein at least a portion of, (1) said electroluminescent phosphor material (2) at least one of and said first and second dielectric layers are located between said conductive electrodes and said conductive transparent electrode layer, where said first dielectric layer is closer to said transparent electrode layer than said second dielectric layer; and (d) at least one of said transparent electrode layer and said first dielectric layer is patterned with regions of substantially non-conductive light absorbing material and regions of substantially light transparent material.
- 20. The device of claim 19 wherein said phosphor material provides a broad white output.
- 21. The device of claim 19 wherein said electroluminescent phosphor material includes multiple layers.
- 22. The device of claim 19 wherein said absorbing material is patterned substantially around each pixel.
- 23. The device of claim 22 wherein each said conductive electrode includes a respective plurality of sub-pixels.
- 24. The device of claim 23 wherein at least two of said sub-pixels have a different output spectrum.
- 25. The device of claim 24 wherein said absorbing material is patterned substantially around each said sub-pixel.
- 26. The device of claim 25 wherein said absorbing material is non-overlapping with said conductive electrodes.
- 27. The device of claim 25 wherein said absorbing material is overlapping with said conductive electrodes.
Parent Case Info
This Application claims the benefit of No. 60/191,683, filed Mar. 23, 2000.
US Referenced Citations (6)
Provisional Applications (1)
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Number |
Date |
Country |
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60/191683 |
Mar 2000 |
US |