Antireflection film comprising a low refractive index layer and a hard coating layer
US10768342B2 · kind B2 · utility
4Cited by
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17Claims
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Key dates
| Filing date | Mar 3, 2017 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Jul 24, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K7/24
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An antireflection film including a low reflective index layer and a hard coating layer, the low reflective index layer including: a binder resin including a crosslinked polymer of a photopolymerizable compound and polysilsesquioxane having at least one reactive functional group substituted thereon; and inorganic fine particles dispersed in the binder resin, wherein a ratio of internal haze (Hi) to total haze (Ha) is 97% or less and a variation in color coordinate value (b*) before and after alkaline treatment is 0.7 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.