Abstract: A method and printing system for printing a three-dimensional structure, in particular an optical component, by depositing droplets of printing ink side by side and one above the other in several consecutive depositing steps by means of a print head. In each depositing step a plurality of droplets is ejected simultaneously by a plurality of ejection nozzles of the print head. The print head is moved relative to the deposited droplets in a moving step performed between at least two consecutive depositing steps in such a manner that the droplets deposited in the same position in the at least two consecutive depositing steps are ejected at least partly from two different ejection nozzles.

Abstract: The present invention refers to a printed three-dimensional optical component built up from layers of printing ink characterized in that the three-dimensional optical component comprises at least one foil between two consecutive layers. The present invention further relates to a corresponding manufacturing method.

Abstract: The present invention refers to a printed three-dimensional optical component built up from layers of printing ink characterized in that the three-dimensional optical component comprises at least one foil between two consecutive layers. The present invention further relates to a corresponding manufacturing method.

Abstract: A method and printing system for printing a three-dimensional structure, in particular an optical component, by depositing droplets of printing ink side by side and one above the other in several consecutive depositing steps by means of a print head. In each depositing step a plurality of droplets is ejected simultaneously by a plurality of ejection nozzles of the print head. After at least one depositing step, surface properties of a pre-structure built up by the deposited droplets are measured by a measuring unit in a measuring step. Ejection characteristics of the ejection nozzles are determined in dependency of the measured surface properties in a determining step and at least one following depositing step is performed in dependency of the determined ejection characteristics.

Abstract: A method for duplex printing a three-dimensional structure by depositing droplets of printing ink at least partially side by side and one above the other, including: depositing droplets of printing ink in a first printing step in order to build up an intermediate first pre-structure, depositing droplets of printing ink in a second printing step in order to build up an intermediate second pre-structure on at least one side of the first pre-structure, rotating the first pre-structure and arranging the first pre-structure on a support structure in a rearrangement step between the first and the second printing step, wherein an extension of the first pre-structure is arranged on a carrier substructure of the support structure and a main body of the first pre-structure is arranged on an deformation-control substructure of the support structure. The teachings further relate to a duplex printed three-dimensional structure as well as a duplex printer.

Abstract: A method for printing a three-dimensional structure by depositing droplets of printing ink at least partially side by side and one above the other, including steps of: depositing droplets of printing ink in a first printing step in order to build up an intermediate first pre-structure, depositing droplets of printing ink in a second printing step in order to build up an intermediate second pre-structure on at least one side of the first pre-structure, rotating the first pre-structure and arranging the first pre-structure on a support structure in a rearrangement step between the first and the second printing step, where the support structure includes a carrier substructure and a deformation-control substructure, and where the deformation-control substructure comprises a pressure chamber. The present teachings further relate to a corresponding duplex printed three-dimensional structure and a duplex printer.

Abstract: The present invention relates to a method for printing a three-dimensional light guiding structure (1) by curing droplets (7) of a printing material by light irradiation, wherein in a first step the droplets (7) of printing material are deposited by a nozzle (30) or a print head of an inkjet printer such that the droplets (7) of printing material form a layer (10) and in a second step light is directed from a light source to an array (5), wherein the array (5) comprises a plurality of mirror elements (6), wherein at least one mirror element (6) of the array (5) can be orientated such that the at least one mirror element (6) of the array (5) reflects in directly or directly light either onto a screen (3) or onto the layer (10) formed by the droplets (7) of printing material.

Abstract: A method for assembling a three-dimensional optical component from a base body, including providing the base body and loading the base body on a substrate into a printer in a providing step, depositing droplets of printing ink on a first surface of the base body in a first printing step in order to build up an intermediate first pre-structure, depositing droplets of printing ink on a second surface of the base body in a second printing step in order to build up an intermediate second pre-structure, rotating the first pre-structure and arranging the first pre-structure on a support structure in a rearrangement step between the first printing step and the second printing step, wherein the support structure includes a carrier substructure and an extension of the base body rests at least partially on the carrier substructure. The teachings further relate to an assembled optical component and an assembly kit.

Abstract: A method for printing an optical component, in particular an ophthalmic lens, by depositing droplets of printing ink side by side and one above the other in several consecutive printing steps by means of a print head, wherein the optical component is provided with an identifier indicating at least one lens parameter, wherein the identifier is structurally integrated into the optical component during at least one printing step. The present teachings further relate to a corresponding optical component.

Abstract: The present invention relates to a method for printing a three-dimensional structure comprising the steps of providing structural parameters defining the shape of the three-dimensional structure in a first step, converting the structural parameters into an intensity image having multiple pixels which are arranged in a two-dimensional pattern and which comprises at least different intensities in a second step and controlling the print head in dependency of the intensity image in order to print the three-dimensional structure in a third step, wherein the print head moves to a certain position and deposits at least one droplet of printing material when processing a certain pixel and wherein the number of droplets and/or the amount of printing material deposited at the certain position by the print head is chosen in dependency of the intensity of the corresponding pixel.

Abstract: A method and printing system for printing a three-dimensional structure, in particular an optical component, by depositing droplets of printing ink side by side and one above the other in several consecutive depositing steps by means of a print head. In each depositing step a plurality of droplets is ejected simultaneously by a plurality of ejection nozzles of the print head. The print head is moved relative to the deposited droplets in a moving step performed between at least two consecutive depositing steps in such a manner that the droplets deposited in the same position in the at least two consecutive depositing steps are ejected at least partly from two different ejection nozzles.

Abstract: The present invention refers to a multifocal lens, in particular ophthalmic multifocal lens, being built in an inkjet printing process of depositing droplets of printing ink side by side and one above the other in several consecutive depositing steps and curing them in intermediate curing steps, wherein the multifocal lens comprises a first section providing a first optical function and a second section providing a second optical function that differs from the first optical function. The present invention further relates to a corresponding method.

Abstract: A method and printing system for printing a three-dimensional structure, in particular an optical component, by depositing droplets of printing ink side by side and one above the other in several consecutive depositing steps by means of a print head. In each depositing step a plurality of droplets is ejected simultaneously by a plurality of ejection nozzles of the print head. After at least one depositing step, surface properties of a pre-structure built up by the deposited droplets are measured by a measuring unit in a measuring step. Ejection characteristics of the ejection nozzles are determined in dependency of the measured surface properties in a determining step and at least one following depositing step is performed in dependency of the determined ejection characteristics.

Abstract: A method for duplex printing a three-dimensional structure by depositing droplets of printing ink at least partially side by side and one above the other, including: depositing droplets of printing ink in a first printing step in order to build up an intermediate first pre-structure, depositing droplets of printing ink in a second printing step in order to build up an intermediate second pre-structure on at least one side of the first pre-structure, rotating the first pre-structure and arranging the first pre-structure on a support structure in a rearrangement step between the first and the second printing step, wherein an extension of the first pre-structure is arranged on a carrier substructure of the support structure and a main body of the first pre-structure is arranged on an deformation-control substructure of the support structure. The teachings further relate to a duplex printed three-dimensional structure as well as a duplex printer.

Abstract: A method for assembling a three-dimensionai optical component from a base body, including providing the base body and loading the base body on a substrate into a printer in a providing step, depositing droplets of printing ink on a first surface of the base body in a first printing step in order to build up an intermediate first pre-structure, depositing droplets of printing ink on a second surface of the base body in a second printing step in order to build up an intermediate second pre-structure, rotating the first pre-structure and arranging the first pre-structure on a support structure in a rearrangement step between the first printing step and the second printing step, wherein the support structure includes a carrier substructure and an extension of the base body rests at least partially on the carrier substructure. The teachings further relate to an assembled optical component and an assembly kit.

Abstract: A method for printing a three-dimensional structure by depositing droplets of printing ink at least partially side by side and one above the other, including steps of: depositing droplets of printing ink in a first printing step in order to build up an intermediate first pre-structure, depositing droplets of printing ink in a second printing step in order to build up an intermediate second pre-structure on at least one side of the first pre-structure, rotating the first pre-structure and arranging the first pre-structure on a support structure in a rearrangement step between the first and the second printing step, where the support structure includes a carrier substructure and a deformation-control substructure, and where the deformation-control substructure comprises a pressure chamber. The present teachings further relate to a corresponding duplex printed three-dimensional structure and a duplex printer.

Abstract: The present invention refers to a printed three-dimensional optical component built up from layers of printing ink characterized in that the three-dimensional optical component comprises at least one foil between two consecutive layers. The present invention further relates to a corresponding manufacturing method.

Abstract: A printing system for printing a three-dimensional optical component, including a printing unit having a print head with ejection nozzles for ejecting droplets of printing ink, a measurement unit to measure optical properties of a pre-structure of the three-dimensional optical component, wherein the measurement unit includes at least one light source and at least one light detector, further including a process control unit for determining the difference between the measured optical properties of the pro-structure and target optical properties of the pre-structure. The present teachings further relate to a corresponding method.

Abstract: A method for printing an optical component, in particular an ophthalmic lens, by depositing droplets of printing ink side by side and one above the other in several consecutive printing steps by means of a print head, wherein the optical component is provided with an identifier indicating at least one lens parameter, wherein the identifier is structurally integrated into the optical component during at least one printing step. The present teachings further relate to a corresponding optical component.

Abstract: The present invention suggest a method for printing a three-dimensional structure, wherein in a first step a pre-structure is formed by droplets of printing material that are deposited by an inkjet print head, wherein in a second step the pre-structure is provided inside a curing oven for thermal curing, wherein the first step and the second step are repeated till the desired three-dimensional structure is built up.