Display screen protector
US10917989B2 · kind B2 · utility
1Cited by
21References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2019 |
| Grant date | Feb 9, 2021 |
| Priority date | — |
| Expiry date | Apr 4, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2457/20
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed are device display screen protectors comprising a first strengthened substrate sized to cover a display screen of an electronic device, the first strengthened substrate having a central tension value in the range greater than 0 MPa and less than 20 MPa, a surface having a Knoop lateral cracking scratch threshold of at least 3 N.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.