Nanoparticle coater

1 . A glass article, comprising:

a glass substrate comprising a core having a first surface, an oppositely disposed second surface, and an edge located between the first surface and the second surface, wherein the first surface and the second surface form opposing outer surfaces of the glass article; and

at least one nanoparticle region located adjacent the first surface and at least one other nanoparticle region located adjacent the second surface, wherein the at least one nanoparticle region and the at least one other nanoparticle region comprises nanoparticles partially embedded into a body portion of the core of the substrate to secure the nanoparticles to the glass substrate, wherein at least a portion of the nanoparticles extend above the first surface and the second surface of the glass substrate to form a friction modification surface on the first surface and the second surface of the glass substrate, wherein the nanoparticles comprise a material having a lower coefficient of friction than the glass substate to provide the first surface and the second surface of the glass substrate with a surface having a lower coefficient of friction than would be present without the nanoparticles.

2 . The glass article of claim 1 , wherein the nanoparticles comprise titania.

3 . The article of claim 1 , including a first nanoparticle region and a second nanoparticle region adjacent the first surface and a third nanoparticle region and a fourth nanoparticle region adjacent the second surface and wherein the second nanoparticle region and the fourth nanoparticle region includes nanoparticles extending above the first surface and the second surface of the glass substrate and the first nanoparticle region and the third nanoparticle region include nanoparticles that are fully embedded into the body portion of the core of the substrate such that the nanoparticles are completely surrounded by the substrate.

4 . The article of claim 3 , wherein the first nanoparticle region is spaced from the second nanoparticle region and the first nanoparticle region, and the second nanoparticle region do not overlap.

5 . The article of claim 3 , wherein the third nanoparticle region is spaced from the fourth nanoparticle region and the third nanoparticle region, and the fourth nanoparticle region do not overlap.

6 . The article of claim 3 , wherein the nanoparticles of the first nanoparticle region are embedded to a depth in the range of 25 to 2000 nm from the first surface of the substrate and the nanoparticles of the third nanoparticle region are embedded to a depth in the range of 25 to 2000 nm from the second surface of the substrate.

7 . The article of claim 1 , including at least one light source adjacent the edge of the substrate.

8 . The article of claim 1 , wherein the at least one nanoparticle region comprises luminescent and/or phosphorescent nanoparticles.

9 . The article of claim 1 , wherein the at least one nanoparticle region comprises phosphors.

10 . The article of claim 1 , wherein the at least one nanoparticle region comprises luminous nanocrystalline nanoparticles.

11 . The article of claim 1 , wherein the nanoparticles are selected from the group consisting of alumina, titania, cerium oxide, zinc oxide, tin oxide, silica, and zirconia.

12 . The article of claim 1 , wherein the glass substrate comprises a glass ribbon formed by a float glass process or a drawdown process and the nanoparticles are embedded into the glass ribbon.

13 . A glass article, comprising:

a glass substrate having a first surface, a second surface, and an edge located between the first surface and the second surface, wherein at least one of the first surface and the second surface form an outer surface of the glass article; and

at least one nanoparticle region located adjacent at least one of the first surface and the second surface, wherein the at least one nanoparticle region comprises nanoparticles partially embedded in the glass substrate, wherein at least a portion of the nanoparticles extend above the at least one of the first surface and the second surface of the glass substrate to form a friction modification surface on the at least one of the first surface and the second surface of the glass substrate, wherein the nanoparticles comprise a material having a lower coefficient of friction than the substate to provide at least one of the first surface and the second surface of the glass substrate with a surface having a lower coefficient of friction than would be present without the nanoparticles, wherein the at least one nanoparticle region comprises a first nanoparticle region comprising first nanoparticles and a second nanoparticle region comprising second nanoparticles, wherein the second nanoparticle region comprises the at least a portion of nanoparticles forming the friction modification surface, wherein the first nanoparticle region is at a first depth, and the second nanoparticle region is at a second depth, and the first depth is deeper into a body portion of the glass substrate than the second depth, and wherein the first nanoparticles are completely surrounded by the glass substrate.

14 . The article of claim 13 , wherein the first nanoparticles are a different size or a different composition than the second nanoparticles.

15 . The article of claim 13 , wherein the first and second nanoparticle regions are spaced apart from one another and do not overlap.

16 . The article of claim 13 , wherein the first nanoparticles in the first nanoparticle region are embedded to a depth in the range of 25 nm to 2000 nm from at least one of the first surface and the second surface of the substrate.

17 . The article of claim 13 , wherein the glass substrate comprises a glass ribbon formed by a float glass process or a drawdown process and the nanoparticles are embedded into the glass ribbon.

18 . A glass article, comprising:

a glass substrate comprising a homogeneous body, the substrate having a first surface, an oppositely disposed second surface, and an edge located between the first surface and the second surface, wherein the first surface and the second surface form opposing outer surfaces of the glass article; and

at least one nanoparticle region located adjacent the first surface and at least one other nanoparticle region located adjacent the second surface, wherein the at least one nanoparticle region and the at least one other nanoparticle region comprises nanoparticles partially embedded into a body portion of the homogeneous body of the glass substrate to secure the nanoparticles to the glass substrate, wherein at least a portion of the nanoparticles extend above the first surface and the second surface of the glass substrate to form a friction modification surface on the first surface and the second surface of the glass substrate, wherein the nanoparticles comprise a material having a lower coefficient of friction than the glass substate to provide the first surface and the second surface of the glass substrate with a surface having a lower coefficient of friction than would be present without the nanoparticles.

19 . The article of claim 18 , wherein the glass substrate comprises a glass ribbon formed by a float glass process or a drawdown process to form the homogeneous body and the nanoparticles are embedded into the glass ribbon.

20 . The article of claim 18 , including a first nanoparticle region and a second nanoparticle region adjacent the first surface and wherein the second nanoparticle region includes nanoparticles extending above the first surface of the glass substrate and the first nanoparticle region includes nanoparticles that are fully embedded into the body portion of the homogeneous glass substrate such that the nanoparticles are completely surrounded by the glass substrate, and wherein the first nanoparticle region and the second nanoparticle region are spaced apart from each other and do not overlap.