Low sparkle articles and display system stacks
US11454748B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2019 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Feb 2, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133331
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention describes articles comprising a substrate including opposed front and back surfaces, wherein the front surface and the back surface each comprise surface structures that are randomly oriented on each surface, wherein the front surface and the back surface each have a surface roughness and a gloss value, and wherein the surface roughness of the front surface does not equal the surface roughness of the back surface and/or the gloss value of the front surface does not equal the gloss value of the back surface. Display system stacks utilizing the described articles are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.