Patent ID: 9618663
Date: 2017-04-11
CPC Classifications: B32B,G02B

Claim:
1. A retroreflective article, comprising: a retroreflective layer including multiple cube corner elements that collectively form a structured surface that is opposite a major surface; and a sealing layer having a first region and a second region, wherein the second region is in contact with the structured surface and wherein the second region surrounds the first region to form at least one cell with a cell size; and wherein the sealing layer includes a barrier layer disposed within the first region between the sealing layer and the retroreflective layer separating a low refractive index layer from the sealing layer; wherein the low refractive index layer is between the barrier layer of the first region and the structured surface of the retroreflective layer, wherein the first region has a cell size that is less than 1000 microns; and wherein the CAP-Y is greater than 55.