Composites of inorganic luminophores stabilized in polymer hosts
View Patent ↗A two and three dimensional display medium having a novel transparent polymer composite containing particles of crystals doped with Yb 3+ and other rare earth ions. The polymer composite creates homogeneously dispersed compositions without cracking or delamination of the film and can be used for various optical applications.
1. A polymer composition for display mediums, comprising:
a co-polymer composite of an alkyl material and a phosphonate material; and
luminescent metal ions dispersed in the composite, wherein the composition is used for displays.
2. The composition of claim 1 , wherein the alkyl material includes:
alkyl acrylate.
3. The composition of claim 1 , wherein the alkyl material includes:
alkyl methacrylate.
4. The composition of claim 1 , wherein the phosphate material includes:
dialkyl vinylbenzylphosphonate.
5. The composition of claim 1 , wherein the phosphate material includes:
alkyl vinylbenzylphosphonic acid monoester.
6. The composition of claim 1 , wherein the phosphate material includes: vinylbenzylphosphonic acid.
7. The composition of claim 1 , wherein the composite has a molar ratio of:
approximately 20% to approximately 95% acrylate material; and
approximately 80% to approximately 5% phosphate material.
8. The composition of claim 1 , wherein the luminescent metal ions include:
rare earth compounds.
9. The composition of claim 1 , wherein the luminescent metal ions include:
NaYF 4 :ErYb.
10. The composition of claim 1 , wherein the composite is:
phosphorylated polymethyl methacrylate(p-PPMA).
11. The composition of claim 1 , wherein the luminescent metal ions include:
rare earth ions co-doped with Yb 3+ in fluoride and orthophosphate crystalline hosts.
12. The composition of claim 11 , wherein the doping ion further includes:
Tm.
13. The composition of claim 11 , wherein the doping ion further includes:
Er.
14. The composition of claim 11 , wherein the doping ion further includes:
Ho.
15. The composition of claim 11 , wherein the doping ion further includes:
Nd.
16. The composition of claim 11 , wherein the doping ion further includes:
Pr.
17. The composition of claim 11 , wherein the doping ion further includes:
Ce.
18. The composition of claim 11 , wherein the crystalline hosts include:
NaYF 4 .
19. The composition of claim 11 , wherein the crystalline hosts include:
KYF.
20. The composition of claim 11 , wherein the crystalline hosts include:
YLF.
21. The composition of claim 11 , wherein the crystalline hosts include:
LuPO 4 .
22. A polymer composition for optical applications, comprising:
a co-polymer composite host of an alkyl material and a phosponate material; and
luminescent metal ions dispersed in the composite host without cracking and delamination of the composite host, wherein the composition is used for optical applications.
23. A method of making a polymer composition, comprising the steps of:
forming a co-polymer from an alkyl material and a phosphonate material; and
dispersing luminescent metal ions in the co-polymer without cracking and delaminating of the co-polymer.