Patent ID: 11959000
Assignee: NITTO DENKO CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC C  G  Y | IPC C

Claim 14:
15. A method of producing a photon up-conversion film, comprising:
preparing a water-in-oil emulsion from an oily solvent solution of an oil-soluble resin, and an aqueous solution of a sensitizing component and a light-emitting component, or an aqueous dispersion thereof;
applying the water-in-oil emulsion to a substrate to form a coating film;
drying the coating film; and
forming, through the drying, a film, which includes a matrix including the oil-soluble resin and a pore portion, and in which the sensitizing component and the light-emitting component are present at an interface between the matrix and the pore portion.