Abstract: The invention relates to novel phosphor mixtures comprising three or more silicate phosphors. The invention furthermore relates to the use of these mixtures in electronic and electro-optical devices, in particular in light-emitting diodes (LEDs) for backlighting applications. The invention furthermore relates to LEDs comprising the phosphors.

Abstract: The present invention is directed to methods for patterning surfaces using contact printing and pastes, and products formed therefrom.

Abstract: The invention relates to novel phosphor mixtures comprising three or more silicate phosphors. The invention furthermore relates to the use of these mixtures in electronic and electro-optical devices, in particular in light-emitting diodes (LEDs) for backlighting applications. The invention furthermore relates to LEDs comprising the phosphors.

Abstract: The present invention is directed to methods for patterning substrates using contact printing to form patterns comprising a polymer, using the patterns formed therefrom as resists, and process products formed by the process.

Abstract: The present invention is directed to methods for patterning surfaces using contact printing and pastes, and products formed therefrom.

Abstract: A coated glass product includes a glass substrate and a porous antireflection surface coating including SiO2-based particles having a first particle fraction including a first characteristic particle size range and a second particle fraction having a second characteristic particle size range that is different from the first characteristic particle size range. In addition, a method for producing the coated glass product is provided.

Abstract: The present invention is directed to methods for patterning substrates using elastomeric stencils having removable backings and methods of preparing the stencils.

Abstract: The present invention relates to processes for the production of a structured surface on a substrate in which a substrate is introduced into a sol which has been set in vibration or a substrate which has been set in vibration is introduced into a sol which has optionally been set in vibration. The present invention likewise relates to substrates structured in this way and to the use thereof in optical applications.

Abstract: The present invention relates to processes for the structuring of surfaces of substrates in which a substrate is structured in a first step and, in a second step, coated by the sol-gel process for partial smoothing of the structuring, giving, in particular, a surface which scatters in a diffuse manner.

Abstract: The present invention is directed to methods for patterning surfaces using contact printing and pastes, pastes for use with the processes, and products formed therefrom.

Abstract: The invention relates to an optical layer system having antireflection properties, where a layer package comprising a first layer having a refractive index in the range from 1.20 to 1.37 and a second, smooth layer having a refractive index of from 1.40 to 1.48 is located on at least one surface of a transparent, planar substrate, to a process for the production thereof, and to the use thereof.

Abstract: Hybrid sol comprising [SiOx(OH)y]n particles, where 0<y<4 and 0<x<2, which consist of a mixture of a first fraction of particles having a particle size of 4–15 nm and a second fraction of particles having a mean particle size of 15–60 nm, water and a solvent; obtainable by hydrolytic polycondensation of tetraalkoxysilanes in an aqueous, solvent-containing medium with addition of a monodisperse silicon oxide hydroxide sol having a mean particle size of 15–60 nm and a maximum standard deviation of 20%, and the preparation and use thereof.

Abstract: The invention relates to thermally tempered safety glass comprising an non-abrasive and porous SiO2 layer which is stable during sintering and has a refractive index of between 1.25 and 1.40. The inventive safety glass can be obtained by coating standard soda-lime glass with an aqueous coating solution having a pH value of between 3 and 8 and containing between 0.5 and 5.0 wt. % of [SiOx(OH)y]n particles (0<y<4 and 0<x<2) having a particle size of between 10 and 60 nm, and a surfactant mixture. The coated glass is then dried, thermally hardened at temperatures of at least 600° C. for several minutes, and thermally tempered by a flow of air.

Abstract: Aqueous coating solution having a pH of from 3 to 8, comprising 0.5-5.0% by weight of [SiOx(OH)y]n particles, where 0<y<4 and 0<x<2, having a particle size of from 10 nm to 60 nm with a tolerance of ±10%, and from 0.005 to 0.5% by weight, based on the coating solution, of a surfactant mixture obtainable by hydrolytic polycondensation of tetraalkoxysilanes in an aqueous-alcoholic-ammoniacal medium at temperatures between 35° C. and 80° C., with subsequent removal of ammonia and alcohol from the resultant dispersion by steam distillation and subsequent addition of a surfactant mixture comprising 15-30% by weight of anionic surfactants, 5-15% by weight of nonionic surfactants and less than 5% by weight of amphoteric surfactants.

Abstract: The invention relates to an optical layer system having antireflection properties, where a layer package comprising a first layer having a refractive index in the range from 1.20 to 1.37 and a second, smooth layer having a refractive index of from 1.40 to 1.48 is located on at least one surface of a transparent, planar substrate, to a process for the production thereof, and to the use thereof.

Abstract: A coated glass product includes a glass substrate and a porous antireflection surface coating including SiO2-based particles having a first particle fraction including a first characteristic particle size range and a second particle fraction having a second characteristic particle size range that is different from the first characteristic particle size range. In addition, a method for producing the coated glass product is provided.

Abstract: Hybrid sol comprising [SiOx(OH)y]n particles, where 0<y<4 and 0<x<2, which consist of a mixture of a first fraction of particles having a particle size of 4-15 nm and a second fraction of particles having a mean particle size of 15-60 nm, water and a solvent; obtainable by hydrolytic polycondensation of tetraalkoxysilanes in an aqueous, solvent-containing medium with addition of a monodisperse silicon oxide hydroxide sol having a mean particle size of 15-60 nm and a maximum standard deviation of 20%, and the preparation and use thereof.

Abstract: The invention relates to thermally tempered safety glass comprising an non-abrasive and porous SiO2 layer which is stable during sintering and has a refractive index of between 1.25 and 1.40. The inventive safety glass can be obtained by coating standard soda-lime glass with an aqueous coating solution having a pH value of between 3 and 8 and containing between 0.5 and 5.0 wt. % of [SiOx(OH)y]n particles (0<y< and 0<x<2) having a particle size of between 10 and 60 nm, and a surfactant mixture. The coated glass is then dried, thermally hardened at temperatures of at least 600° C. for several minutes, and thermally tempered by a flow of air.

Abstract: Aqueous coating solution having a pH of from 3 to 8, comprising 0.5-5.0% by weight of [SiOx(OH)y]n particles, where 0<y<4 and 0<x<2, having a particle size of from 10 nm to 60 nm with a tolerance of ±10%, and from 0.005 to 0.5% by weight, based on the coating solution, of a surfactant mixture obtainable by hydrolytic polycondensation of tetraalkoxysilanes in an aqueous-alcoholic-ammoniacal medium at temperatures between 35° C. and 80° C., with subsequent removal of ammonia and alcohol from the resultant dispersion by steam distillation and subsequent addition of a surfactant mixture comprising 15-30% by weight of anionic surfactants, 5-15% by weight of nonionic surfactants and less than 5% by weight of amphoteric surfactants.