Polarizer protective film and manufacturing method thereof
US12000979B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Feb 21, 2018 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Aug 29, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/035
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided are a polarizer protective film comprising a polymeric film and a coating layer formed on at least one surface of the polymeric film, where the coating layer has a plurality of concave embossed patterns and has a surface roughness of 2.0 nm to 20.0 nm, and a manufacturing method thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.