Signify Holding B.v.

Koninklijke Philips Corporation N.v.

Philips Lighting Holding B.v.

Asml Netherlands B.v.

Paulus Albertus Van Hal

Rifat Ata Mustafa Hikmet

Erik Paul Boonekamp

Bert Wouters

Ties Van Bommel

René Theodorus Wegh

Johannes Petrus Maria Ansems

Marcellinus Petrus Carolus Michael Krijn

Cornelis Reinder Ronda

Herfried Karl Wieczorek

Herbert Lifka

Martinus Petrus Joseph Peeters

Johan Lub

Coen Theodorus Hubertus Fransiscus Liedenbaum

Adrianus Hendrik Koevoets

Reinder Coehoorn

Hendrikus Hubertus Petrus Gommans

Matthias Simon

Cristina Tanase

Gabriel-Eugen Onac

Rob Franciscus Maria Van Elmpt

Henricus Marie Peeters

Helga Hummel

Jan Cornelis Kriege

Dirk Veldman

Patrick Zuidema

Joanna Maria Elisabeth Baken

Sylvain Loïc Jean-Luc Hamon

Huibert Wouters

Beatriz Seoane De La Cuesta

Cornelis Adrianus Maria Huijben

Sylvain Loic Jean-Luc Hamon

Method for producing a 3D item () by means of fused deposition modelling, the method comprising a 3D printing stage comprising layer-wise depositing an extrudate () comprising 3D printable material (), to provide the 3D item () comprising 3D printed material (), wherein the 3D item () comprises a plurality of layers () of 3D printed material (), wherein the 3D printing stage comprises: •—a vertical support providing stage comprising providing a first layer () of 3D printed material (), wherein the first layer () has a first layer top part () with a first layer top height (HI) relative to the substrate () and a first layer bottom part () with a first layer bottom height (H) relative to the substrate (), wherein the first layer () has a first layer height (HI) defined by the difference between the first layer top height (HI) and the first layer bottom height (H), wherein the value of the first layer bottom height (H) is at least equal to the value of the first layer height (HI), and •—an in-air printing stage comprising supportless depositing a second layer () of 3D printed material () adjacent to and in contact with the first layer (), wherein the second layer () has a second layer top part (), wherein at least part of the second layer top part () extends over at least part of the first layer top part () and is conformal therewith.

Method for printing objects with inclination angles less than 45° with respect to building plate

The invention provides a printer head () for a 3D printer, the printer head () comprising n distribution elements (), wherein n≥2, a combination chamber (), and a printer nozzle (), wherein the combination chamber () is configured downstream of the distribution elements () and upstream of the printer nozzle (), wherein each distribution element () comprise a flow-through chamber () with an inlet () and a plurality of k outlets () to the combination chamber (), wherein k≥4, wherein the outlets () of the distribution elements () are configured such that a plurality of outlets () of a distribution element () have outlets () of another distribution element () as nearest neighbors.

Method of 3D printing using color mixing nozzle with multiple distribution elements

The invention provides a reflector () comprising a reflector wall (), the reflector wall () comprising a first wall surface () and a second wall surface () defining said reflector wall (), the reflector wall () comprising a light transmissive material (), wherein the reflector wall () has a first dimension (d) and a second dimension (d) defining a first reflector wall area, wherein each wall surface () comprises a plurality of parallel arranged elongated corrugations (), wherein the corrugations have corrugation heights (h) relative to recesses () between adjacent corrugations () and corrugation widths (w) defined by the distance between adjacent recesses () at the respective wall surfaces (), wherein the corrugations () have curved corrugation surfaces () between said adjacent recesses () having corrugation radii (r) at the respective wall surfaces (), and wherein over at least part of one of the first dimension (d) and the second dimension (d) one or more of (i) the corrugation heights (h), (ii) the corrugation widths (w), (iii) the corrugation radii (r), and (iv) a shortest top-top distance (w) of corrugations tops () configured at different wall surfaces () vary over said wall dimension (d,d) for at least one of the wall surfaces (). The reflector () has a first end () and a second end (), wherein a third distance (d) between the first end () and the second end () is bridged by one or more reflector walls (), wherein the one or more reflector walls () are configured tapering from the second end () to the first end (), and wherein the reflector () has a reflector cavity ().

3D printed reflector and method for its manufacture

A substrate with a backside surface configured to provide a friction switch when the substrate is loaded onto a substrate holder in a substrate-loading cycle, wherein the substrate backside surface has a molecular assembly including at least one high-interaction region and at least one low-interaction region. Further, there is provided methods using such a substrate and methods for creating such a substrate.

Lithography apparatus

The invention provides method for producing a 3D item () by means of fused deposition modelling, the method comprising: &#x2014;a 3D printing stage comprising layer-wise depositing an extrudate () comprising 3D printable material (), wherein during at least part of the 3D printing stage the extrudate () comprises a core-shell extrudate () comprising a core () comprising a core material (), and a shell () comprising a shell material (), to provide the 3D item () comprising 3D printed material (), wherein the 3D item () comprises a plurality of layers () of 3D printed material (), wherein one or more of layers () comprises one or more core-shell layer parts (), wherein each of the core-shell layer parts () comprises a layer core () comprising the core material (), and a layer shell () comprising the shell material (), wherein the 3D item () has an item surface () defined by at least part of the 3D printed material (); &#x2014;an exposure stage comprising exposing at least part of the item surface () to a liquid (), wherein the core material () has core material solubility SCfor the liquid () and wherein the shell material () has a shell material solubility SSfor the liquid (), wherein SC&#x3c;SS

Printing method for FDM printing smooth surfaces of items

Printer head () for a 3D printer, the printer head () comprising n distribution elements (), wherein n&#x2265;2, a combination chamber (), and a printer nozzle (), wherein the combination chamber () is configured downstream of the distribution elements () and upstream of the printer nozzle (), wherein each distribution element () comprise a flow-through chamber () with an inlet () and a plurality of k outlets () to the combination chamber (), wherein k&#x2265;4, wherein the outlets () of the distribution elements () are configured such that a plurality of outlets () of a distribution element () have outlets () of another distribution element () as nearest neighbors.

Color mixing nozzle

A body () is disclosed for obscuring a light source arrangement (). The body comprises a surface () including a plurality of optically reflective relief structures (&#x2033;), each relief structure comprising a first portion () and a second portion () adjacent to said first portion extending from said surface, wherein the first portion has a different optical reflectivity to the second portion and neighboring optically reflective relief structures are separated by an optically transparent medium contacting said neighboring optically reflective relief structures. Also disclosed is a luminaire comprising such a body and a method of manufacturing such a body.

Decorative light source shielding

A housing () for a lighting device is disclosed. The housing comprises an elongate base region () and opposing elongate sidewalls () extending from opposite elongate sides of the elongate base region towards respective terminal ends (), wherein each of the opposing elongate sidewalls () has an optically transmissive inner surface () separated from an outer surface () by a distance of 5 millimeters or less to form a cavity () for housing a reflective foil or a thermally conductive member. The inner surface () extends across the elongate base region (), and it comprises a recess () in the elongate base region () for housing a light engine (). Also disclosed is a luminaire () including such a housing () and a method of manufacturing such an optically transmissive housing ().

Lighting device housing, luminaire and method of manufacture

The invention provides a method for manufacturing a 3D item () by means of 3D printing. The method comprises the step of depositing, during a printing stage, 3D printable material () to provide 3D printed material (), wherein the 3D printable material () comprises a core-shell filament () comprising (i) a core () comprising a core material () having one or more of a core glass temperature Tg1 and a core melting temperature Tm1 and (ii) a shell () comprising a shell material () having one or more of a shell glass temperature Tg2 and a shell melting temperature Tm2, wherein one or more of the shell glass temperature Tg2 and the shell melting temperature Tm2 is lower than one or more of the core glass temperature Tg1 and the core melting temperature Tm1. The method further comprises the step of heating, during a finishing stage, the 3D printed material () to a temperature equal to or higher than one or more of the shell glass temperature Tg2 and the shell melting temperature Tm2, and equal to or lower than one or more of the core glass temperature Tg1 and the core melting temperature Tm1.

Method for manufacturing a 3D item

An illumination device includes at least one light source and at least one optical component formed by a stack of at least two biconvex cylinder lenses, each lens having an optical axis perpendicular to a stacking direction of the optical component. The optical component is manufactured using a 3D printing process using fused deposition modeling.

Lighting device having a 3D printed biconvex cylindrical lens array

The invention provides lighting device () configured to provide a beam of lighting device light (), the lighting device () comprising: (a) a light transmissive window () having a first window side () and a second window side (); (b) a reflector () comprising a reflector cavity (), the reflector cavity () comprising a first reflector cavity side (), a reflector cavity exit side (), a reflector cavity wall () bridging said first reflector cavity side () and said reflector cavity exit side (); wherein the reflector cavity wall () comprises a light reflective material (), wherein the recavity wall () comprises a 3D-printed cavity wall (); wherein at least part of the first window side () is configured as reflector cavity exit window () at the reflector cavity exit side (); (c) a light source () configured at the first reflector cavity side () and configured to provide light source light () within said reflector cavity (); and (d) a beam modifying element () configured at the first window side () within the reflector cavity (), wherein the beam modifying element () comprises a 3D-printed beam modifying element ().

Customizable 3D-printed lighting device

An optical component is disclosed including a plurality of layers, each layer comprising a first region in between a second region and a third region, the first region having a lower transmissivity than the second and third regions, wherein the layers are staggered such that the optical component comprises at least one passage defined by partially overlapping regions of higher transmissivity. A luminaire including such an optical component and a 3-D printing method for manufacturing such a component are also disclosed.

Optical component for generating a light effect

The invention relates to a method for producing a radiation detector used to detect ionizing radiation including a first inorganic-organic halide Perovskite material () as a direct converter material and/or as a scintillator material in a detector layer and to a radiation detector comprising a detector layer () produced by means of the steps of the method. In order to provide an approach for producing a thick layer (e.g. above 10 &#x3bc;&#x3b9;&#x3b7;) of Perovskite material suitable for a radiation detector, it is proposed to grow the material selectively on a seeding layer (), yielding in a thick polycrystalline layer. One suitable seeding layer () to grow lead Perovskite material is made of a bromide Perovskite material.

Method for producing a radiation detector and radiation detector

The invention provides a method comprising 3D printing a 3D item, the method comprising depositing during a printing stage 3D printable material and an optical fiber, to provide the 3D item with the optical fiber at least partly embedded in 3D printed material, wherein the 3D printable material during at least part of the printing stage comprises a light transmissive material, the method further comprising providing during the printing stage a light escape part comprising 3D printed material comprising the light transmissive material, where visible light propagating through the optical fiber can escape from the optical fiber via the 3D printed material comprised by the light escape part to external of the 3D item.

Growing community of inventors

Eindhoven, Netherlands

Paulus Albertus Van Hal