LAMINATED STRUCTURE FOR DISPLAYING INFORMATION
The invention relates to: a laminated structure comprising at least successively a substrate, a phosphor first layer and an adhesive polymer material second layer; a process for preparing this structure; a laminated glazing comprising this structure.
1 . A laminated structure, comprising, at least Successively;
a substrate;
a first layer comprising a phosphor; and
a second layer comprising an adhesive polymer material.
2 . The laminated structure of claim 1 , wherein the laminated structure is transparent.
3 . The laminated structure of claim 1 , wherein the substrate is a mineral material or a polymer material.
4 . The laminated structure of claim 3 , wherein the substrate is a mineral material and the mineral material is a glassy material.
5 . The laminated structure in of claim 3 , wherein the substrate is a polymer material and the polymer material is a polycarbonate, an acrylic polymer, a polyolefin, a polyamide, an ionomer resin, any mixture thereof.
6 . The laminated structure of claim 3 , wherein the substrate is a polymer material, and the polymer material is an adhesive that is compatible with the adhesive polymer material of the second layer.
7 . The laminated structure of claim 1 , wherein the phosphor is a coumarin, a stilbene, a betaine, a complex of a rare earth element, a derivative of rhodamine, a derivative of fluorol, a derivative of terephthalate, naphthal, naphthalimide, oxazole, perylene, phenyl, pyrene, styryl, xanthene, or any mixture thereof.
8 . The laminated structure of claim 1 , wherein the first layer comprises an adhesive polymer material compatible with the adhesive polymer material of the second layer.
9 . The laminated structure of claim 1 , wherein the adhesive polymer material of the second layer is a polyvinyl butyral, a polyurethane, an ethylene/vinyl acetate copolymer, or any mixture thereof.
10 . The laminated structure of claim 1 , wherein the surface density of phosphor of the first layer is at least equal to 0.1 g/m 2 .
11 . The laminated structure of claim 1 , wherein the surface density of phosphor of the first layer is at most equal to 5 g/m 2 .
12 . The laminated structure of claim 1 , wherein the surface density of adhesive polymer material of the second layer is at least equal to 1 g/m 2 .
13 . The laminated structure of claim 1 , wherein the surface density of adhesive polymer material of the second layer is at most equal to 20 g/m 2 .
14 . The laminated structure of claim 1 , further comprising:
a sheet comprising a glassy material bonded directly to the second layer, or connected thereto with a third layer comprising an adhesive polymer material.
15 . The laminated structure of claim 1 , further comprising:
a sheet comprising a glassy material bonded directly to the substrate, or connected thereto with a fourth layer comprising an adhesive polymer material.
16 . A process for preparing the laminated structure of claim 1 , the process comprising:
depositing phosphor solution on the substrate, to obtain the first layer comprising the phosphor; and then
depositing an adhesive polymer material solution on the first layer.
17 . The process of claim 16 , wherein the phosphor and adhesive polymer material solutions each independently comprise, as a solvent, an alcohol, a cellosolve, a ketone, an amide, an ether, an aromatic hydrocarbon, or any mixture thereof.
18 . The process of claim 16 , wherein the phosphor solution comprises an adhesive polymer material, which is compatible with the adhesive polymer material solution.
19 . The process of claim 16 , wherein the deposition of each solution is carried out by spraying, screen printing, or inkjet printing.
20 . A laminated glazing, comprising the laminated structure of claim 1 .