Hard coating film and flexible display panel including the same
US11846755B2 · kind B2 · utility
0Cited by
2References
11Claims
0Family size
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Inventors
Key dates
| Filing date | Feb 10, 2020 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Jun 22, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided is a hard coating film. The hard coating film includes a base layer and a hard coating layer disposed on the base layer and having a pencil hardness of 4H or higher. A surface elongation at break of the hard coating film falls within a predetermined range, as measured by a certain method. The hard coating film shows excellent durability under high-temperature/high-humidity conditions, has no microcracks formed after repeated folding, and shows excellent pencil hardness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.