Glass item, glass item having luminescent-substance particles, device for producing a glass item, method for producing a glass item, and method for producing a glass item having luminescent-substance particles

A method for producing glassware the glassware comprising:

• a glass matrix having a surface,
• a first type of particles, and
• at least one second type of particles, wherein the particles of the second type have a higher refractive index than the particles of the first type;
• wherein the particles of the first type are completely surrounded by the glass matrix, such that the surface of the glass matrix is free of particles of the first type, and
• the particles of the second type are arranged above and/or between the particles of the first type at least partly in the glass matrix at the surface of the glass matrix in order to increase the refractive index of the glassware,
• the method comprising:
• providing a molten glass matrix having a surface,
• distributing particles of a first type in the molten glass matrix through the surface in such a way that the particles of the first type are completely surrounded by the molten glass matrix, such that the surface of the glass matrix is free of particles of the first type;
• distributing particles of a second type into the glass melt through the surface in such a way that the particles of the second type are arranged above and/or between the particles of the first type at least partly in the glass matrix at the surface of the glass matrix and the second particles have a smaller mean diameter than the particles of the first type.

An optoelectronic component comprising glassware, the glassware comprising:

• a glass matrix having a surface,
• a first type of particles, and
• at least one second type of particles, wherein the particles of the second type have a higher refractive index than the particles of the first type;
• wherein the particles of the first type are completely surrounded by the glass matrix, such that the surface of the glass matrix is free of particles of the first type, and
• the particles of the second type are arranged above and/or between the particles of the first type at least partly in the glass matrix at the surface of the glass matrix in order to increase the refractive index of the glassware,
• the optoelectronic component comprising:
• an optically active region for converting an electric current into an electromagnetic radiation and/or converting an electromagnetic radiation into an electric current;
• wherein the glassware is formed as a covering body of the optically active region and is arranged in the beam path of the electromagnetic radiation.

A method for producing an optoelectronic component,

• the optoelectronic component comprising glassware,
• the glassware comprising:
• a glass matrix having a surface,
• a first type of particles, and
• at least one second type of particles, wherein the particles of the second type have a higher refractive index than the particles of the first type;
• wherein the particles of the first type are completely surrounded by the glass matrix, such that the surface of the glass matrix is free of particles of the first type, and
• the particles of the second type are arranged above and/or between the particles of the first type at least partly in the glass matrix at the surface of the glass matrix in order to increase the refractive index of the glassware and
• the second particles have a smaller mean diameter than the particles of the first type,
• the optoelectronic component comprising:
• an optically active region for converting an electric current into an electromagnetic radiation and/or converting an electromagnetic radiation into an electric current;
• wherein the glassware is formed as a covering body of the optically active region and is arranged in the beam path of the electromagnetic radiation,
• the method comprising:
• forming an optically active region on or above the glassware and/or applying the glassware on, above and/or around the optically active region;
• wherein the glassware is arranged as an extraction structure and/or coupling-in structure with regard to the electromagnetic radiation absorbed or emitted by the optically active region in the beam path of the electromagnetic radiation.

A device for producing glassware, the glassware comprising:

• a glass matrix having a surface,
• a first type of particles, and
• at least one second type of particles, wherein the particles of the second type have a higher refractive index than the particles of the first type;
• wherein the particles of the first type are completely surrounded by the glass matrix, such that the surface of the glass matrix is free of particles of the first type, and
• the particles of the second type are arranged above and/or between the particles of the first type at least partly in the glass matrix at the surface of the glass matrix in order to increase the refractive index of the glassware,
• the device comprising:
• a transport path for a molten glass matrix, wherein the transport path is designed such that the molten glass matrix is cooled along the transport path;
• a first coater designed for distributing a first type of particles in the molten glass matrix in a first cooling region, wherein the first coater is arranged along the transport path in such a way that the molten glass matrix has a viscosity with regard to the particles of the first type in the first cooling region, and that the particles of the first type are completely surrounded by the glass matrix, such that the surface of the glass matrix is free of particles of the first type;
• and
• at least one second coater designed for distributing a second type of particles in the molten glass matrix in a second cooling region, wherein the second coater is arranged along the transport path in such a way that the molten glass matrix has a viscosity with regard to the particles of the second type in the second cooling region, and that the particles of the second type are arranged above and/or between the particles of the first type at least partly in the glass matrix at the surface of the glass matrix.