Optically colored body and optical structure
The present disclosure relates to an optically colored body comprising at least one micelle, wherein the micelle comprises a liquid medium and colloid microcrystals having aggregates of spherical nano-particles and a cosmetic composition comprising the optically colored body. The present disclosure also relates to an optical structure comprising at least one substrate, and at least one wall that covers the at least one substrate and has optical transparency, wherein the space between the at least one substrate and the at least one wall is filled with colloid microcrystals having arrays of spherical nano-particles. Further, the present disclosure relates to a cosmetic composition comprising at least one optically colored body and/or at least one optical structure and a method for producing the optical structure.
1. A cosmetic composition comprising at least one optically colored body comprising at least one micelle, wherein the at least one micelle comprises a liquid medium and colloid microcrystals having aggregates of spherical nano-particles, wherein the diameters of the spherical nano-particles are chosen from diameters ranging from 50 to 500 nm, wherein the spherical nano-particles are chosen from macromolecular polymer materials and inorganic materials, and wherein the liquid medium is selected from polar liquids, and wherein the cosmetic composition further comprises a cosmetically acceptable medium.
2. A cosmetic composition comprising an optically colored body according to claim 1 , wherein, under light irradiation, the colloid microcrystals select light and express color of a specific wavelength due to the photonic band effect.
3. A cosmetic composition comprising an optically colored body according to claim 1 , wherein the spherical nano-particles comprise a single material.
4. A cosmetic composition comprising an optically colored body according to claim 1 , wherein the spherical nano-particles have the same particle diameter.
5. A cosmetic composition comprising an optically colored body according to claim 1 , wherein the spherical nano-particles are optically transparent with respect to light of a specific wavelength.
6. A cosmetic composition comprising an optically colored body according to claim 1 , wherein the refractive index of the material of the spherical nano-particles is either greater or smaller than the refractive index of the liquid medium.
7. A cosmetic composition comprising at least one optical structure, wherein the at least one optical structure comprises at least one substrate and at least one wall that covers the at least one substrate and has optical transparency, wherein the space between the at least one substrate and the at least one wall is filled with colloid microcrystals having arrays of spherical nano-particles, and wherein said cosmetic composition further comprises a cosmetically acceptable medium.
8. A cosmetic composition comprising an optical structure according to claim 7 , wherein, under light irradiation, the colloid microcrystals select light and express color of a specific wavelength due to the photonic band effect.
9. A cosmetic composition comprising an optical structure according to claim 7 , wherein the at least one substrate is spherical or cylindrical in shape.
10. A cosmetic composition comprising an optical structure according to claim 7 , wherein the at least one substrate comprises a N-isopropylacrylamide (NIPA) gel material.
11. A cosmetic composition comprising an optical structure according to claim 7 , wherein the at least one wall is optically transparent with respect to the reflected light of a specific wavelength from the colloid microcrystals.