Anti-Glare Coatings with Ultraviolet-Absorbing Particles and Methods for Forming the Same
Embodiments provided herein describe optical coatings, panels having optical coatings thereon, and methods for forming optical coatings and panels. A substrate is provided. A coating is formed above the substrate. The coating includes a plurality of micro-particles including a UV-absorbing material and has a surfaces roughness suitable to provide the coating with anti-glare properties.
1 . A method for forming an anti-glare coating, the method comprising:
providing a substrate; and
forming a coating above the substrate, wherein the coating comprises a plurality of micro-particles and has an effective surface roughness of between 0.2 and 0.8 micrometers (μm), wherein each of the micro-particles within the plurality of micro-particles comprises an ultraviolet (UV) absorbing material, and wherein the UV absorbing material comprises a 2-hydroxyphenyl-s-trizine derivative, nano zinc oxide, nano titanium dioxide, nano cerium oxide, or a combination thereof.
2 . The method of claim 1 , wherein the plurality of micro-particles has a size distribution of between 0.1 and 10 μm.
3 . The method of claim 1 , wherein the plurality of micro-particles comprises zeolite micro-particles.
4 . The method of claim 1 , wherein each of the micro-particles within the plurality of micro-particles comprises a plurality of pores and the UV absorbing material is embedded into the plurality of pores.
5 . The method of claim 1 , wherein each of the micro-particles within the plurality of micro-particles comprises an outer shell and an inner core, and wherein the UV absorbing material is embedded into the inner cores of the plurality of micro-particles.
6 . The method of claim 1 , wherein the coating further comprises a matrix material, wherein the plurality of micro-particles is embedded within the matrix material.
7 . The method of claim 6 , wherein the matrix material comprises a second UV absorbing material.
8 . The method of claim 1 , wherein the forming of the coating above the substrate comprising applying a sol-gel formulation to the substrate.
9 . A method for forming an anti-glare coating, the method comprising:
providing a transparent substrate; and
forming a coating above the substrate, wherein the coating comprises a plurality of micro-particles and has an effective surface roughness of between 0.2 and 0.8 micrometers (μm), and wherein each of the micro-particles within the plurality of micro-particles comprises an ultraviolet (UV) absorbing material and zeolite,
wherein the UV absorbing material comprises a benzophenone derivative, a benzotriazole derivative, a 2-hydroxyphenyl-s-triazine derivative, a cyanoacrylate derivative, nano zinc oxide, nano titanium dioxide, nano cerium oxide, or a combination thereof, and wherein the plurality of micro-particles has a size distribution of between 0.1 and 10 μm.
10 . The method of claim 9 , wherein each of the micro-particles within the plurality of micro-particles comprises a plurality of pores and the UV absorbing material is embedded into the plurality of pores.
11 . The method of claim 9 , wherein each of the micro-particles within the plurality of micro-particles comprises an outer shell and an inner core, and wherein the UV absorbing material is embedded into the inner cores of the plurality of micro-particles.
12 . The method of claim 9 , wherein the coating further comprises a matrix material, wherein the plurality of micro-particles is embedded within the matrix material, wherein the matrix material comprises a second UV absorbing material.
13 . The method of claim 9 , wherein the forming of the coating above the substrate comprising applying a sol-gel formulation to the substrate.
14 - 20 . (canceled)
21 . The method of claim 9 , wherein the UV absorbing material comprises a 2-hydroxyphenyl-s-trizine derivative, nano zinc oxide, nano titanium dioxide, nano cerium oxide, or a combination thereof.