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US 8,951,627 B2Granted
Fluorescent fine particle films and display devices
AssigneeEmpire Technology Development LLC
InventorKazufumi Ogawa
Life of this patent
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Abstract
A patterned fluorescent fine particle film that retains the intrinsic functions of fluorescent fine particles and that can be formed on any substrate at a desired thickness, a method for manufacturing the patterned fluorescent fine particle film, and a display apparatus including the patterned fluorescent fine particle film are provided.
Claims18
A patterned fluorescent film, comprising:
- a substrate;
- a plurality of first alkoxysilane compounds linked to the substrate and configured to form a first film pattern on the substrate, each first alkoxysilane compound having a first end covalently linked to the substrate and having a first reactive group on a second, opposite end of the first alkoxysilane compound, the first reactive group being selected from the group consisting of epoxide, amine, and imine;
- a plurality of fluorescent particles;
- a plurality of second alkoxysilane compounds linked to each of the fluorescent particles, and configured to form a second film on each of the fluorescent particles, each second alkoxysilane compound having a first end covalently linked to a fluorescent particle and having a second reactive group on a second, opposite end of the second alkoxysilane compound, the second reactive group being selected from the group consisting of epoxide, amine, and imine;
- and
- a plurality of first crosslinking agents, the first crosslinking agents, each having a third reactive group on a first end and a fourth reactive group on a second, opposite end, each of the plurality of first crosslinking agents being selected from the group consisting of:
- compounds having two or more epoxy groups;
- compounds having two or more isocyanate groups;
- an imidazole derivative
- selected from the group consisting of 2-methylimidazole, 2-undecylimidazole, 2-pentadecylimidazole, 2-methyl-4-ethylimidazole, 2-phenylimidazole, 2-phenyl-4-ethylimidazole, 2-phenyl-4-methyl-5-(hydroxymethyl)imidazole, and 2-phenyl-4,5-bis(hydroxymethyl)imidazole;
- imidazole-metal complexes;
- heterocyclic compounds including at least two nitrogens selected from the group consisting of melamine, isocyanuric acid, triazine, barbituric acid, parabanic acid, uracil, and thymine;
- acid anhydride compounds;
- dicyandiamide compounds;
- and phenol derivative compounds,
- wherein the plurality of fluorescent particles are coupled to the substrate via a reaction between the third and fourth reactive groups of the plurality of first crosslinking agents and the first and second reactive groups of the plurality of first alkoxysilane compounds and the plurality of second alkoxysilane compounds to form the patterned fluorescent film, and
- wherein if the first and second reactive groups are an epoxy group, then the third and fourth reactive groups are one of an amino or imino group, or wherein if the first and second reactive groups are one of an amino or imino group, then the third and fourth reactive groups are an epoxy group.
14 more elements
A patterned fluorescent film, comprising:
- a substrate;
- a plurality of first film compounds linked to the substrate and configured to form a first film pattern on the substrate, each first film compound having a first end covalently linked to the substrate and having a first reactive group on a second, opposite end of the first film compound, the first reactive group being selected from the group consisting of epoxide, isocyanate, amine, and imine;
- a plurality of fluorescent particles;
- a plurality of second film compounds linked to each of the fluorescent particles, and configured to form a second film on each of the fluorescent particles, each second film compound having a first end covalently linked to a fluorescent particle and having a second reactive group on a second, opposite end of the second film compound, the second reactive group being selected from the group consisting of epoxide, isocyanate, amine, and imine;
- and
- a plurality of first crosslinking agents each having a third reactive group on a first end and a fourth reactive group on a second, opposite end, each of the first crosslinking agents being selected from the group consisting of:
- compounds having two or more epoxy groups;
- compounds having two or more isocyanate groups;
- an imidazole derivative
- selected from the group consisting of 2-methylimidazole, 2-undecylimidazole, 2-pentadecylimidazole, 2-methyl-4-ethylimidazole, 2-phenylimidazole, 2-phenyl-4-ethylimidazole, 2-phenyl-4-methyl-5-(hydroxymethyl)imidazole, and 2-phenyl-4,5-bis(hydroxymethyl)imidazole;
- imidazole-metal complexes;
- heterocyclic compounds including at least two nitrogens selected from the group consisting of melamine, isocyanuric acid, triazine, barbituric acid, parabanic acid, uracil, and thymine;
- acid anhydride compounds;
- dicyandiamide compounds;
- and phenol derivative compounds;
- wherein the plurality of fluorescent particles are coupled to the substrate via a reaction between the third and fourth reactive groups of the plurality of first crosslinking agents and the first and second reactive groups of the plurality of first film compounds and the plurality of second film compounds to form the patterned fluorescent film.
13 more elements
A patterned fluorescent film, comprising:
- a substrate;
- a plurality of first alkoxysilane compounds linked to the substrate and configured to form a first film pattern on the substrate, each first alkoxysilane compound having a first end covalently linked to the substrate and having a first reactive group on a second, opposite end of the first alkoxysilane compound, the first reactive group being selected from the group consisting of epoxide, amine, and imine;
- a plurality of fluorescent particles;
- a plurality of second alkoxysilane compounds linked to each of the fluorescent particles, and configured to form a second film on each of the fluorescent particles, each second alkoxysilane compound having a first end covalently linked to a fluorescent particle and having a second reactive group on a second, opposite end of the second alkoxysilane compound, the second reactive group being selected from the group consisting of epoxide, amine, and imine;
- and
- a plurality of first crosslinking agents, the first crosslinking agents forming a monomolecular film, each having a third reactive group on a first end and a fourth reactive group on a second, opposite end, the third and fourth reactive groups being selected from the group consisting of epoxide, amine, and imine
- wherein the plurality of fluorescent particles are coupled to the substrate via a reaction between the third and fourth reactive groups of the plurality of first crosslinking agents and the first and second reactive groups of the plurality of first alkoxysilane compounds and the plurality of second alkoxysilane compounds to form the patterned fluorescent film, and
- wherein if the first and second reactive groups are an epoxy group, then the third and fourth reactive groups are one of an amino or imino group, or wherein if the first and second reactive groups are one of an amino or imino group, then the third and fourth reactive groups are an epoxy group.
5 more elements
Dependencies are inferred from the claim text.