Transparent film-forming coating liquid, substrate with transparent film, and display device
View Patent ↗A transparent film-forming coating liquid is provided which is capable of forming a transparent film that is excellent not only in scratch resistance, film hardness, scratch strength and adhesion to a substrate but also in haze and anti-glare properties. Also provided is a display device having a front panel constituted of a substrate with such a transparent film applied thereto. The transparent film-forming coating liquid comprises inorganic oxide particle groups, in each of which 2 to 10 inorganic oxide particles on an average are linked in the form of a chain, and a polar solvent. In the transparent film-forming coating liquid, the inorganic oxide particles have an average particle diameter of 4 to 200 nm. The inorganic oxide particles are silica particles, and the silica particles are porous particles and/or hollow particles each having a cavity inside.
1. A transparent film-forming coating liquid comprising inorganic oxide particle groups, in each of which 2 to 10 inorganic oxide particles on an average are linked in the form of a chain, and a polar solvent,
wherein the inorganic oxide particles are porous particles and/or hollow particles each having a cavity inside, and
wherein the inorganic oxide particles are silica particles or silica-alumina particles.
2. The transparent film-forming coating liquid as claimed in claim 1 , wherein the inorganic oxide particles have an average particle diameter of 4 to 200 nm.
3. The transparent film-forming coating liquid as claimed in claim 2 , wherein the inorganic oxide particles are silica particles.
4. A substrate with a transparent film, comprising a substrate and a transparent film provided on the substrate, wherein the transparent film is formed by the use of the transparent film-forming coating liquid of claim 2 .
5. The transparent film-forming coating liquid as claimed in claim 1 , wherein the inorganic oxide particles are silica particles.
6. A substrate with a transparent film, comprising a substrate and a transparent film provided on the substrate, wherein the transparent film is formed by the use of the transparent film-forming coating liquid of claim 5 .
7. A substrate with a transparent film, comprising a substrate and a transparent film provided on the substrate, wherein the transparent film is formed by the use of the transparent film-forming coating liquid of claim 1 .
8. The substrate with a transparent film as claimed in claim 7 , wherein a transparent conductive fine particle layer comprising conductive fine particles having an average particle diameter of 1 to 200 nm is provided between the substrate and the transparent film.
9. A display device having a front panel constituted of the substrate with a transparent film of claim 8 , wherein the transparent film is formed on a surface of the front panel.
10. A display device having a front panel constituted of the substrate with a transparent film of claim 7 , wherein the transparent film is formed on a surface of the front panel.