Abstract: Described herein are antimicrobial articles having improved antimicrobial efficacy and antireflective properties. Further described are methods of making and using the improved articles. The antimicrobial articles generally include an antimicrobial element and an antireflective element. The antireflective element, in some cases, can be disposed directly on a glass, glass-ceramic or ceramic substrate and the antimicrobial element is disposed on the antireflective element. The article can exhibit a reflectance of about 4% or less (and less than 1% in some cases) in the range of about 425 nm to about 725 nm. Further, the article can be characterized with an antimicrobial efficacy by exhibiting at least a 2 log reduction in a concentration of at least Staphylococcus aureus, Enterobacter aerogenes, and Pseudomonas aeruginosa bacteria under a Modified EPA Copper Test Protocol.

Abstract: A window with low frictive compositions and methods of making the same. The low frictive composition is applied to top portion of at least one glass bump contacting an opposing pane in a window. The low frictive composition may include an inorganic powder and a binder. The inorganic powder includes disulfide, molybdenum disulfide, tungsten diselenide, and molybdenum diselenide. The binder includes silsesquioxanes and alkali silicates.

Abstract: A composite coating having a high refractive index, high Abbe number, low haze and high transmittance, suitable for fabricating nanoscale optical surface features includes a resin with a crosslinked polymer matrix having polymers with repeat units derived from acrylic or methacrylic monomers or oligomers and inorganic nanoparticles disposed within the resin, wherein the composite coating has a refractive index equal to or greater than 1.7 and a glass transition temperature equal to or greater than 60° C.

Abstract: A method of making an antimicrobial glass article that includes the steps: submersing the article in a strengthening bath to exchange a portion of ion-exchangeable metal ions in the glass article with a portion of ion-exchanging metal ions in the strengthening bath to form a compressive stress layer extending from the first surface to a diffusion depth in the article; removing a portion of the compressive stress layer from the first surface of the article to a first depth above the diffusion depth in the article to define a new first surface and a remaining compressive stress layer; and submersing the article in an antimicrobial bath to exchange a portion of the ion-exchangeable and the ion-exchanging metal ions in the compressive stress layer with a portion of the silver metal ions in the antimicrobial bath to impart an antimicrobial property in the article.

Abstract: The disclosure is directed to a chemically strengthened glass having antimicrobial properties and to a method of making such glass. In particular, the disclosure is directed to a chemically strengthened glass with antimicrobial properties and with a low surface energy coating on the glass that does not interfere with the antimicrobial properties of the glass. The antimicrobial has an Ag ion concentration on the surface in the range of greater than zero to 0.047 ?g/cm2. The glass has particular applications as antimicrobial shelving, table tops and other applications in hospitals, laboratories and other institutions handling biological substances, where color in the glass is not a consideration.

Abstract: A method of manufacturing a doped polycrystalline ceramic optical device includes mixing a plurality of transition metal complexes and a plurality of rare-earth metal complexes to form a metal salt solution, heating the metal salt solution to form a heated metal salt solution, mixing the heated metal salt solution and an organic precursor to induce a chemical reaction between the heated metal salt solution and the organic precursor to produce a plurality of rare-earth doped crystalline nanoparticles, and sintering the plurality of rare-earth doped nanoparticles to form a doped polycrystalline ceramic optical device having a rare-earth element dopant that is uniformly distributed within a crystal lattice of the doped polycrystalline ceramic optical device.

Abstract: A method of manufacturing a doped polycrystalline ceramic optical device includes mixing a plurality of transition metal complexes and a plurality of rare-earth metal complexes to form a metal salt solution, heating the metal salt solution to form a heated metal salt solution, mixing the heated metal salt solution and an organic precursor to induce a chemical reaction between the heated metal salt solution and the organic precursor to produce a plurality of rare-earth doped crystalline nanoparticles, and sintering the plurality of rare-earth doped nanoparticles to form a doped polycrystalline ceramic optical device having a rare-earth element dopant that is uniformly distributed within a crystal lattice of the doped polycrystalline ceramic optical device.

Abstract: A method of making a glass article, for example a glass light guide plate comprising at least one structured surface including a plurality of channels and peaks. The glass article may be suitable for enabling one dimensional dimming when used in a backlight unit for use as an illuminator for liquid crystal display devices.

Abstract: The disclosure is directed to a chemically strengthened glass having antimicrobial properties and to a method of making such glass. In particular, the disclosure is directed to a chemically strengthened glass with antimicrobial properties and with a low surface energy coating on the glass that does not interfere with the antimicrobial properties of the glass. The antimicrobial has an Ag ion concentration on the surface in the range of greater than zero to 0.047 ?g/cm2. The glass has particular applications as antimicrobial shelving, table tops and other applications in hospitals, laboratories and other institutions handling biological substances, where color in the glass is not a consideration.

Abstract: A laser weldable device housing substrate, device housing and related method are provided. The substrate includes a first surface, a second surface opposite the first surface, and a thin inorganic particle layer supported by the first surface. The inorganic particle layer includes a plurality of particles arranged in a layer on the first surface. The particles have an average diameter of less than or equal to 1.0 ?m, and the inorganic particle layer has an average thickness of less than or equal to 5 ?m.

Abstract: Disclosed herein are light guide plates comprising a glass substrate having an edge surface and a light emitting surface and a polymeric film comprising a plurality of microstructures disposed on the light emitting surface. At least one light source may be coupled to the edge surface of the glass substrate. The light guides disclosed herein may exhibit reduced light attenuation and/or color shift. Display and lighting devices comprising such light guide plates are further disclosed.

Abstract: Substantially alkali free glasses are disclosed which can be used to produce substrates for flat panel display devices. The glasses can have a loading of fluorine and ceria to achieve exemplary solarization and UV protection attributes when exposed to UV radiation. Methods for producing substantially alkali free glasses using a float or downdraw process (e.g., a fusion downdraw process) are also disclosed.

Abstract: An antimicrobial article having a substrate, and a coating on a surface of the substrate. The coating includes a silver-containing alkali silicate. The antimicrobial article has an antimicrobial efficacy of greater than or equal to about 90.0% according to EPA Test Method for Efficacy of Copper Alloy Surfaces as a Sanitizer. The coating may further include at least one of a boron-containing compound and an aluminum-containing compound. A method for forming antimicrobial articles includes coating a substrate with a mixture comprising an alkali silicate; curing the coating at a temperature from greater than or equal to about 300° C. to less than or equal to about 620° C. for a duration of greater than or equal to about 15 minutes to less than or equal to about 120 minutes; and contacting the coating with an antimicrobial medium comprising silver nitrate and an alkali nitrate.

Abstract: Disclosed herein are OLED devices comprising waveguides including at least one waveguide layer comprising at least one inorganic nanoparticle and at least one binder and having an RMS surface roughness of less than about 20 nm. Lighting and display devices comprising such OLED devices are further disclosed herein as well as methods for making the waveguides.

Abstract: A composite coating having a high refractive index, high Abbe number, low haze and high transmittance, suitable for fabricating nanoscale optical surface features includes a resin with a crosslinked polymer matrix having polymers with repeat units derived from acrylic or methacrylic monomers or oligomers and inorganic nanoparticles disposed within the resin, wherein the composite coating has a refractive index equal to or greater than 1.7 and a glass transition temperature equal to or greater than 60° C.

Abstract: A method of combining a first phosphor material and a second phosphor material and devices made therefrom. The method includes providing a first phosphor material, combining the first phosphor material with a host matrix to create a first phosphor mixture, curing the first phosphor mixture at one or more predetermined temperatures, and depositing the cured first phosphor mixture onto a substrate having a second phosphor material. The first phosphor material includes red emission phosphor particles and the second phosphor material includes yellow emission phosphor particles and the host matrix includes a silsesquioxane host material, silsesquioxane-silicate host material, a sol gel host material, or an alkali/silicate water glass host material.

Abstract: A composite coating having a high refractive index, high Abbe number, low haze and high transmittance, suitable for fabricating nanoscale optical surface features includes a resin with a crosslinked polymer matrix having polymers with repeat units derived from acrylic or methacrylic monomers or oligomers and inorganic nanoparticles disposed within the resin, wherein the composite coating has a refractive index equal to or greater than 1.7 and a glass transition temperature equal to or greater than 60° C.

Abstract: An antimicrobial article having a substrate, and a coating on a surface of the substrate. The coating includes a silver-containing alkali silicate. The antimicrobial article has an antimicrobial efficacy of greater than or equal to about 90.0% according to EPA Test Method for Efficacy of Copper Alloy Surfaces as a Sanitizer. The coating may further include at least one of a boron-containing compound and an aluminum-containing compound. A method for forming antimicrobial articles includes coating a substrate with a mixture comprising an alkali silicate; curing the coating at a temperature from greater than or equal to about 300° C. to less than or equal to about 620° C. for a duration of greater than or equal to about 15 minutes to less than or equal to about 120 minutes; and contacting the coating with an antimicrobial medium comprising silver nitrate and an alkali nitrate.

Abstract: The roof of a vehicle includes a passive cooling layer overlaying an outward facing surface of the roof such that the layer is exposed to sunlight exterior to the vehicle. The layer includes a polymer having molecular structures with Si—O—Si linkages. The layer has relatively high emittance over a peak spectrum for solar heating.

Abstract: Described herein are coated glass or glass-ceramic articles having improved smudge resistance. Further described are methods of making and using the improved articles. The coated articles generally include a glass or glass-ceramic substrate and an oleophilic coating disposed thereon. The oleophilic coating is not a free-standing adhesive film, but a coating that is formed on or over the glass or glass-ceramic substrate.