Abstract: The present invention relates to an optoelectronic device comprising a substrate, in particular a cover layer, an optoelectronically active layer and a contacting layer, the outer and/or inner surface of which has a patterned region with a dot structure of cones or inverse cones. With such a dot structure, the optical properties and wetting properties of the optoelectronic device can be advantageously adjusted in a targeted manner. In particular, it is possible to improve light coupling into or light extraction from optoelectronic devices and thus efficiency. The invention also relates to an optoelectronic module, a method of manufacturing an optoelectronic device and the use of a patterned substrate for an optoelectronic device.

Abstract: The present invention relates to the field of patterning substrates with periodic dot structures in the micro- and/or sub-micrometer range, in particular a patterned substrate and a method for patterning surfaces of a transparent substrate by means of laser interference patterning. The patterning produced in this way with periodic dot structures in the micro- and/or sub-micrometer range is characterized by pronounced anti-fogging properties.

Abstract: The present invention relates to the field of patterning substrates with periodic dot structures in the micro- or sub-micrometer range, in particular to an apparatus and a method for structuring surfaces and the interior of a transparent substrate by means of laser interference structuring. The pattern produced in this way with periodic dot structures in the micro- or sub-micrometer range is characterized by a pronounced anti-reflective property. In addition, the present invention relates to a patterned substrate with anti-reflective properties comprising a periodic dot structure.

Abstract: An optical arrangement for direct laser interference structuring. A laser beam is directed to a reflecting mirror with inclined surface and strikes a first beam splitter, it is divided into two partial beams and one partial beam is deflected to a focusing element. The second partial laser beam is directed to a first pentamirror and after multiple reflection and/or refraction, the focusing element, or it is directed to a second beam splitter and is divided into a first partial beam and a third partial beam. The partial beams are directed to the focusing element by the first pentamirror and are directed by the focusing element to the surface to be structured interfering with each other. The reflecting mirror is moved in a translational manner, maintaining a 45° angle parallel to the optical axes of the emitted laser beam influencing the interference period ?.

Abstract: An optical arrangement for direct laser interference structuring, a laser beam is directed to a reflecting element with inclined surface and strikes a first beam splitter, is divided into two partial beams and one partial beam is deflected to a focusing optical element. The second partial beam is directed to a first pentamirror and, after multiple reflection and/or refraction, the focusing optical element, or it is directed to a second beam splitter, and it is divided into a first partial beam of the second partial beam and a third partial beam. Said partial beams are directed to the focusing element by the first pentamirror and partial beams are directed by the focusing optical element to the surface to be structured interfering with each other. The reflecting element is moved in a translational manner, maintaining a 45° angle, parallel to the optical axis of the laser beam emitted by the laser beam source, influencing the interference period A.

Abstract: The present invention relates to a labeling element for items, which on a surface thereof is formed with a plurality of pixels with periodic lattice structures, in particular linear lattice structures. Lattice structures with in each case one structural period ? and an alignment of the structural elements, which are aligned to one another in particular in a linear parallel manner, at an angle ? with respect to an axis of reference are formed in individual pixels such that when the pixels constituting the labeling element are irradiated with electromagnetic radiation, preferably monochromatic electromagnetic radiation, an image of the labeling element is created on an detector array or a surface, by means of images of at least one order of diffraction of the electromagnetic radiation diffracted by pixels which can be used for identification of the respective labeling element.

Abstract: The present invention relates to a labeling element for items, which on a surface thereof is formed with a plurality of pixels with periodic lattice structures, in particular linear lattice structures. Lattice structures with in each case one structural period A and an alignment of the structural elements, which are aligned to one another in particular in a linear parallel manner, at an angle ? with respect to an axis of reference are formed in individual pixels such that when the pixels constituting the labeling element are irradiated with electromagnetic radiation, preferably monochromatic electromagnetic radiation, an image of the labeling element is created on an detector array or a surface, by means of images of at least one order of diffraction of the electromagnetic radiation diffracted by pixels which can be used for identification of the respective labeling element.