Abstract: Provided is an optoelectronic semiconductor chip including a semiconductor layer sequence having an active layer, a doped current spreading layer and an output coupling layer, which are arranged one above the other in this order. The active layer generates primary radiation during intended operation. The current spreading layer includes a larger lateral electrical conductivity than the output coupling layer. The output coupling layer includes output coupling structures for coupling out radiation on an exit side facing away from the active layer. The output coupling layer includes a lower absorption coefficient for primary radiation than the current spreading layer.

Abstract: In at least one embodiment, the optoelectronic semiconductor chip (100) comprises a semiconductor layer sequence (1) having an active layer (10), a doped current spreading layer (11) and an output coupling layer (12), which are arranged one above the other in this order. The active layer generates primary radiation during intended operation. The current spreading layer comprises a larger lateral electrical conductivity than the output coupling layer. The output coupling layer comprises output coupling structures (121) for coupling out radiation on an exit side (120) facing away from the active layer. The output coupling layer comprises a lower absorption coefficient for primary radiation than the current spreading layer.

Abstract: A method of producing a plurality of semiconductor chips includes a) providing a carrier substrate having a first major face and a second major face opposite the first major face; b) forming a diode structure between the first major face and the second major face, the diode structure electrically insulating the first major face from the second major face at least with regard to one polarity of an electrical voltage; c) arranging a semiconductor layer sequence on the first major face of the carrier substrate; and d) singulating the carrier substrate with the semiconductor layer sequence into a plurality of semiconductor chips.

Abstract: A method of producing a plurality of semiconductor chips includes a) providing a carrier substrate having a first major face and a second major face opposite the first major face; b) forming a diode structure between the first major face and the second major face, the diode structure electrically insulating the first major face from the second major face at least with regard to one polarity of an electrical voltage; c) arranging a semiconductor layer sequence on the first major face of the carrier substrate; and d) singulating the carrier substrate with the semiconductor layer sequence into a plurality of semiconductor chips.

Abstract: A carrier substrate includes a first major face and a second major face opposite the first major face. A diode structure is formed between the first major face and the second major face, which diode structure electrically insulates the first major face from the second major face at least with regard to one polarity of an electrical voltage.

Abstract: A photolithographic method which produces a structure in a radiation-emitting semiconductor component by providing a semiconductor wafer having a semiconductor layer sequence, applying a first photoresist layer to the semiconductor wafer, providing a mask, and arranging the mask relative to the coated semiconductor wafer, exposing the first photoresist layer and imaging the mask in the first photoresist layer, arranging the mask or a different mask relative to the semiconductor wafer at another position different from a first position and again exposing the first photoresist layer and imaging the mask in the first photoresist layer or applying a second photoresist layer to the first photoresist layer, arranging the mask or a different mask relative to the semiconductor wafer at a second position, and exposing the second photoresist layer and imaging the mask in the second photoresist layer, forming a patterned photoresist layer and patterning the semiconductor wafer.

Abstract: An optoelectronic semiconductor chip includes an active layer with a first and a second major face, including a semiconductor material which emits or receives radiation when the semiconductor chip is in operation; a patterned layer including three-dimensional patterns for outcoupling or incoupling radiation and arranged on the first major face in a beam path of the radiation, wherein the patterned layer includes an inorganic-organic hybrid material.

Abstract: A photolithographic method which produces a structure in a radiation-emitting semiconductor component by providing a semiconductor wafer having a semiconductor layer sequence, applying a first photoresist layer to the semiconductor wafer, providing a mask, and arranging the mask relative to the coated semiconductor wafer, exposing the first photoresist layer and imaging the mask in the first photoresist layer, arranging the mask or a different mask relative to the semiconductor wafer at another position different from a first position and again exposing the first photoresist layer and imaging the mask in the first photoresist layer or applying a second photoresist layer to the first photoresist layer, arranging the mask or a different mask relative to the semiconductor wafer at a second position, and exposing the second photoresist layer and imaging the mask in the second photoresist layer, forming a patterned photoresist layer and patterning the semiconductor wafer.

Abstract: An optoelectronic semiconductor chip includes an active layer with a first and a second major face, including a semiconductor material which emits or receives radiation when the semiconductor chip is in operation; a patterned layer including three-dimensional patterns for outcoupling or incoupling radiation and arranged on the first major face in a beam path of the radiation, wherein the patterned layer includes an inorganic-organic hybrid material.

Abstract: A method relates to separating a component composite into a plurality of component regions, wherein the component composite is provided having a semiconductor layer sequence comprising a region for generating or for receiving electromagnetic radiation. The component composite is mounted on a rigid subcarrier. The component composite is separated into the plurality of component regions, wherein one semiconductor body is produced from the semiconductor layer sequence for each component region. The component regions are removed from the subcarrier.

Abstract: A carrier substrate includes a first major face and a second major face opposite the first major face. A diode structure is formed between the first major face and the second major face, which diode structure electrically insulates the first major face from the second major face at least with regard to one polarity of an electrical voltage.

Abstract: A method for producing an optoelectronic semiconductor component includes providing a first wafer having a patterned surface, wherein the patterned surface is formed at least in places by elevations having first and second heights, wherein the first height is greater than the second height; providing a second wafer; applying a photoresist to outer areas of the second wafer; patterning a surface of the photoresist facing away from the second wafer by impressing the patterned surface of the first wafer into the photoresist, wherein the elevations are impressed as trenches having a first and second depth into the photoresist; applying a patterning method to the patterned surface of the photoresist, wherein the structure applied on the photoresist is transferred at least in places to the outer area of the second wafer.

Abstract: A method for producing an optoelectronic semiconductor component includes providing a first wafer having a patterned surface, wherein the patterned surface is formed at least in places by elevations having first and second heights, wherein the first height is greater than the second height; providing a second wafer; applying a photoresist to outer areas of the second wafer; patterning a surface of the photoresist facing away from the second wafer by impressing the patterned surface of the first wafer into the photoresist, wherein the elevations are impressed as trenches having a first and second depth into the photoresist; applying a patterning method to the patterned surface of the photoresist, wherein the structure applied on the photoresist is transferred at least in places to the outer area of the second wafer.

Abstract: A method for patterning a semiconductor surface is specified. A photoresist is applied to an outer area of a second semiconductor wafer. A surface of the photoresist that is remote from the second semiconductor wafer is patterned by impressing a patterned surface of the first wafer into the photoresist. A patterning method is applied to the surface of the photoresist, wherein a structure applied on the photoresist is transferred at least in places to the outer area of the second semiconductor wafer.

Abstract: The invention relates to a spoon for receiving soft or liquid food. Said spoon has a handle with an attached mouthpiece constructed of soft and flexible material. The aim of the invention is to significantly simplify the manner in which food is received by small children and people with facial paralysis. The spoon has a practical shape in that the mouthpiece is trough-shaped and concave and has a level defining upper edge, whereby the thickness of the mouthpiece in the front and on the lateral side is proportional so that its concave shape can be inverted by the pressure of the tongue (Z) during swallowing and the mouthpiece can adapt to the arched shape of the hard palate (G) in a sagital and transversal direction.

Abstract: The invention relates to a spoon for receiving soft or liquid food. Said spoon has a handle with an attached mouthpiece constructed of soft and flexible material. The aim of the invention is to significantly simplify the manner in which food is received by small children and people with facial paralysis. The spoon has a practical shape in that the mouthpiece is trough-shaped and concave and has a level defining upper edge, whereby the thickness of the mouthpiece in the front and on the lateral side is proportional so that its concave shape can be inverted by the pressure of the tongue (Z) during swallowing and the mouthpiece can adapt to the arched shape of the hard palate (G) in a sagital and transversal direction.

Abstract: An oral hygiene appliance has a spring-elastic working piece, comprising a stamped element made from foam, on the head of an handle. The stamped element is made from closed-cell foam, and only the cells located on the stamping face are opened by the stamping process.