	US 12,448,529 B2
	Coating with an ordered spatial distribution of nanoparticles
Kangning Liang, Santa Rosa, CA (US); Jaroslaw Zieba, Santa Rosa, CA (US); Alberto Argoitia, Santa Rosa, CA (US); and Johannes P. Seydel, Petaluma, CA (US)
Assigned to VIAVI SOLUTIONS INC., Chandler, AZ (US)
Filed by VIAVI SOLUTIONS INC., San Jose, CA (US)
Filed on Jan. 26, 2021, as Appl. No. 17/158,894.
Prior Publication US 2022/0235235 A1, Jul. 28, 2022
Int. Cl. C09D 7/40 (2018.01); B32B 5/16 (2006.01); B32B 27/08 (2006.01); B32B 27/14 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C09D 201/00 (2006.01)

CPC C09D 7/67 (2018.01) [B32B 5/16 (2013.01); B32B 27/08 (2013.01); B32B 27/14 (2013.01); C09D 201/00 (2013.01); B32B 2260/025 (2013.01); B32B 2260/046 (2013.01); B32B 2307/418 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01)]

13 Claims

1. An optical device comprising:

a substrate; and

a coating on the substrate, the coating including a first portion at a first edge and a second portion at a second edge opposite the first edge, the coating comprising an ordered spatial distribution of a plurality of nanoparticles in a polymer medium, wherein the ordered spatial distribution is non-random and based upon at least one of an electric field, a magnetic field, a gravitational field, or a refractive index of the plurality of nanoparticles,

wherein the ordered spatial distribution is not a uniform distribution within the polymer medium, wherein the ordered spatial distribution is a concentration of the plurality of nanoparticles along the second edge of the coating and the second portion includes a high physical concentration of the plurality of nanoparticles relative to the first portion, and

wherein the optical device is a light diffuser.