Claims
- 1. A composition comprising a polymer comprising repeat units selected from the group consisting of:
- 2. The composition of claim 1, wherein the luminescent metal ion or luminescent metal ion complex comprises a lanthanide metal ion.
- 3. The composition of claim 1, wherein the polymer is a copolymer.
- 4. The composition of claim 1, wherein the polymer is a dendritic or hyperbranched polymer.
- 5. The composition of claim 1, wherein the luminescent metal ion or luminescent metal ion complex comprises cerium.
- 6. The composition of claim 1, wherein the luminescent metal ion or luminescent metal ion complex comprises europium.
- 7. The composition of claim 1, wherein the luminescent metal ion or luminescent metal ion complex comprises terbium.
- 8. The composition of claim 2, wherein the polymer is a copolymer.
- 9. The composition of claim 1, wherein the luminescent metal ion or luminescent metal ion complex is present as part of an inorganic solid.
- 10. The composition of claim 9, wherein the inorganic solid is a nanosized powder with physical dimensions in the 1 to 1000 nanometer range.
- 11. The composition of claim 10, wherein the inorganic solid is a semiconductor.
- 12. The composition of claim 11, wherein the semiconductor is a II-VI semiconductor.
- 13. The composition of claim 1, wherein the luminescent metal ion or luminescent metal ion complex comprises a metal ion selected from the group consisting of chromium, manganese, iron, cobalt, molybdenum, ruthenium, rhodium, palladium, silver, tungsten, rhenium, osmium, iridium, platinum, gold, and uranium.
- 14. An electroluminescent device comprising the composition of claim 13.
- 15. The composition of claim 9, wherein the inorganic solid is a semiconductor.
- 16. The composition of claim 15, wherein the semiconductor is a II-VI semiconductor.
- 17. The composition of claim 1 having emission bands of 20 nm or less.
- 18. The composition of claim 1 having emission bands of 10 nm or less.
- 19. The composition of claim 1 having emission bands of 5 nm or less.
- 20. The composition of claim 1 having emission bands of 3 nm or less.
- 21. The composition of claim 1, wherein the luminescent metal ion or luminescent metal ion complex comprises a polarizable ligand.
- 22. The composition of claim 21, wherein the polarizable ligand is selected from the group consisting of:
- 23. The composition of claim 21, wherein the polarizable ligand is part of a polymer chain.
- 24. The composition of claim 23, wherein the polymer chain is a conjugated polymer chain.
- 25. The composition of claim 1, wherein the polymer is a crosslinked polymer.
- 26. The composition of claim 1, wherein the polymer is an oligomer.
- 27. The composition of claim 1, wherein the polymer is a branched polymer.
- 28. The composition of claim 1, wherein the polymer is a block co-polymer.
- 29. The composition of claim 1, wherein the polymer is a random co-polymer.
- 30. The composition of claim 1, wherein the polymer is a graft co-polymer.
- 31. The composition of claim 1, wherein the conjugation length of the polymer is controlled with non-aromatic spacer groups.
- 32. The composition of claim 31, wherein the spacer groups are selected from the group consisting of —O—, —S—, —NR—, —CR1R2—, (CH2)n—, —(CF2)n—, ester, and amide.
- 33. The composition of claim 31, wherein the conjugation length is between 2 and 50 conjugated rings.
- 34. The composition of claim 31, wherein the conjugation length is between 3 and 10 conjugated rings.
- 35. The composition of claim 32, wherein the conjugation length is between 3 and 6 conjugated rings.
- 36. An electroluminescent device comprising the composition of claim 1.
- 37. The electroluminescent device of claim 36, wherein the polymer is a crosslinked polymer.
- 38. An electroluminescent device comprising:
a first electrode; one or more charge transport materials; and an electroluminescent layer comprising the composition of claim 1 and a second electrode.
- 39. The electroluminescent device of claim 38, wherein one or both of said electrodes is a transparent electrode.
- 40. The electroluminescent device of claim 38, wherein one or both of said electrodes comprises tin oxide or doped tin oxide.
- 41. The electroluminescent device of claim 38, wherein one of the charge transport materials is a hole transport material provided as a distinct layer.
- 42. The electroluminescent device of claim 38 comprising two layers; a first layer comprising a hole transport material, and the electroluminescent layer which comprises an electron transport material.
- 43. The electroluminescent device of claim 38, wherein an electron transport material is provided as a distinct layer.
- 44. The electroluminescent device of claim 38 comprising two layers; a first layer comprising an electron transport material, and the electroluminescent layer which comprises a hole transport material.
- 45. The electroluminescent device of claim 38 comprising three layers, the electroluminescent layer sandwiched between a layer of electron transport material and a layer hole transport material.
- 46. The electroluminescent device of claim 45, wherein the layers are not distinct, but graded.
- 47. The electroluminescent device of claim 38 comprising a hole transport material and an electron transport material both of which are graded in the electroluminescent layer.
- 48. The electroluminescent device of claim 38, wherein the emission bands are 20 nm or less.
- 49. The electroluminescent device of claim 38, wherein the emission bands are 10 nm or less.
- 50. The electroluminescent device of claim 38, wherein the emission bands are 5 nm or less.
- 51. The electroluminescent device of claim 38, wherein the emission bands are 3 nm or less.
- 52. The electroluminescent device of claim 38, wherein the electroluminescent layer comprises a nanosized powder with physical dimensions in the 1 to 1000 nanometer range.
- 53. The electroluminescent device of claim 38, wherein the turn-on voltage is less than 15V.
- 54. The electroluminescent device of claim 38, wherein the turn-on voltage is less than 10V.
- 55. The electroluminescent device of claim 38, wherein the turn-on voltage is less than 5V.
- 56. An electroluminescent composition comprising:
an aromatic hydrocarbon matrix; and a lanthanide metal complex having an aromatic ligand.
- 57. The composition of claim 56, wherein said aromatic ligand has a diaryl group.
- 58. An electroluminescent device comprising the composition of claim 56.
- 59. An electroluminescent device comprising:
a first electrode; one or more charge transport layers; and an electroluminescent layer comprising the composition of claim 60 and a second electrode.
- 60. The electroluminescent device of claim 59, wherein one or both of said electrodes is a transparent electrode.
- 61. The electroluminescent device of claim 59, wherein one or both of said electrodes comprises tin oxide or doped tin oxide.
- 62. The electroluminescent device of claim 59, wherein one of the layers is a hole transport layer.
- 63. The electroluminescent device of claim 59, wherein one of the layers is a hole transport layer and another of the layers is a mixed layer comprising a luminescent material and an electron transport material.
- 64. The electroluminescent device of claim 59, wherein one of the layers is an electron transport layer.
- 65. The electroluminescent device of claim 59, wherein one of the layers is an electron transport layer and another of the layers is a mixed layer comprising a luminescent material and a hole transport material.
- 66. The electroluminescent device of claim 59, wherein one of the layers is a hole transport layer, another of the layers is a luminescent layer, and another of the layers is an electron transport layer.
- 67. The electroluminescent device of claim 65, wherein the mixed layer is graded.
- 68. A composition comprising a polarizable matrix comprising discrete molecules and a luminescent lanthanide metal ion.
- 69. A composition comprising a polymer of the structure:
&Parenopenst;R-polarizable ligand-R&Parenclosest;&Parenopenst;Y&Parenclosest;; and one or more luminescent metal ions or metal ion complexes, wherein R is independently selected from H, D, F, Cl, Br, I, alkoxy, aryloxy, alkyl, aryl, alkyl ketone, aryl ketone, alkylester, arylester, amide, carboxylic acid, fluoroalkyl, fluoroaryl, polyalkalene oxy, any two of the R groups may be bridging, and Y is a polymer repeat unit.
- 70. The composition of claim 69, wherein the luminescent metal ion or luminescent metal ion complex comprises a metal ion selected from the group consisting of chromium, manganese, iron, cobalt, molybdenum, ruthenium, rhodium, palladium, silver, tungsten, rhenium, osmium, iridium, platinum, gold and uranium.
- 71. The composition of claim 69, wherein the polarizable ligand is selected for the group consisting of:
- 72. The composition of claim 69, wherein Y is selected from the group consisting of:
- 73. A composition comprising a polymer comprising repeat units selected from the group consisting of:
- 74. The composition of claim 73, wherein said polymer has a molecular weight greater than about 50,000 Daltons.
- 75. The composition of claim 73, wherein said polymer has a molecular weight greater than about 60,000 Daltons.
- 76. The composition of claim 73, wherein said polymer has a molecular weight greater than about 100,000 Daltons.
- 77. The composition of claim 73, wherein said polymer has a molecular weight greater than about 150,000 Daltons.
- 78. The composition of claim 73, wherein said polymer has a molecular weight greater than about 200,000 Daltons.
- 79. The composition of claim 73, wherein said polymer has an inherent viscosity of at least 1.8 dL/g.
- 80. The composition of claim 73, wherein said polymer has an inherent viscosity of at least 4.2 dL/g.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] The present application is a continuation of patent application Ser. No. 09/879,752, filed Jun. 12, 2001, which claims priority to provisional patent application No. 60/211,108, filed Jun. 12, 2000, entitled POLYMER MATRIX ELECTROLUMINESCENT MATERIALS AND DEVICES, the entire disclosures of which are expressly incorporated herein by reference.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
[0002] The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Contract No. N00014-02-C-0461, awarded by the United States Navy.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60211108 |
Jun 2000 |
US |
Continuations (1)
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Number |
Date |
Country |
Parent |
09879752 |
Jun 2001 |
US |
Child |
10737220 |
Dec 2003 |
US |