Abstract: The invention provides a method for the production of a 3D printed object (100), wherein the method comprises (i) a 3D printing stage, the 3D printing stage comprising 3D printing a 3D printable material (110) to provide the 3D printed object (100) of printed material (120), wherein the 3D printing stage further comprises forming during 3D printing a channel (200) in the 3D printed object (100) under construction, wherein the method further comprises (ii) a filling stage comprising filling the channel (200) with a curable material (140) and curing the curable material (140) to provide the channel (200) with cured material (150), wherein the cured material (150) has a lower stiffness than the surrounding printed material (120).

Abstract: The invention provides a 3D printing device (500) comprising a printer nozzle (502) for depositing a material on a support structure (550) for the formation of a 3D object (10), wherein the printer nozzle (502) and the support structure (550) are arranged to be translated relative to each other with a translation speed in a translation direction (52, 62), and a vibration actuator arranged for providing a vibrating motion (50, 60) of at least a first part of the support structure (550) relative to the printer nozzle (502) in a direction different from the translation direction (52, 62).

Abstract: Various improvements are provided to breathing training, monitoring and/or assistance devices. A portable device is provided which optionally includes a gas canister, a feedback system for implementing pressure control, and a visual output for indicating adherence to a breathing exercise to the user. The pressure control may provide regulation of different pressures for inhalation and exhalation.

Abstract: A breathing training, monitoring and/or assistance device is provided for home use. The device is for providing support and guidance during the training of breathing exercises. The device takes account of external data which relates to one or more of: the environmental conditions in which the device is being used; activity information in respect of the user; physiological sensor data about the user which is not related to breathing characteristics.

Abstract: A lighting device having a 3D-printed heat sink. The 3D-printed heat sink includes a stack of a core layer and at least one further layer stacked along a stack axis normal to the core layer. The core layer and the at least one further layer having a same polymer material each with a thermally conductive filler, wherein a concentration of the thermally conductive filler in the polymer material decreases, starting from the core layer, consecutively with each of the at least one further layer for improving resistance to mechanical failure and thermal conduction of said 3D-printed heat sink.

Abstract: Various improvements are provided to breathing training, monitoring and/or assistance devices. A portable device is provided which optionally includes a gas canister, a feedback system for implementing pressure control, and a visual output for indicating adherence to a breathing exercise to the user. The pressure control may provide regulation of different pressures for inhalation and exhalation.

Abstract: The invention provides a method for the production of a 3D printed object (100), wherein the method comprises (i) a 3D printing stage, the 3D printing stage comprising 3D printing a 3D printable material (110) to provide the 3D printed object (100) of printed material (120), wherein the 3D printing stage further comprises forming during 3D printing a channel (200) in the 3D printed object (100) under construction, wherein the method further comprises (ii) a filling stage comprising filling the channel (200) with a curable material (140) and curing the curable material (140) to provide the channel (200) with cured material (150), wherein the cured material (150) has a lower stiffness than the surrounding printed material (120).

Abstract: The invention provides a lighting device (10,40) comprising a 3D-printed heat sink (11,41). The 3D-printed heat sink (11,41) comprises a stack (13,43) of a core layer (15,45) and at least one further layer stacked along a stack axis normal to the core layer (15,45). The core layer (15,45) and the at least one further layer comprise a same polymer material (14,44) each with a thermally conductive filler, wherein a concentration of the thermally conductive filler in the polymer material (14,44) decreases, starting from the core layer (15,45), consecutively with each of the at least one further layer for improving resistance to mechanical failure and thermal conduction of said 3D-printed heat sink (11,41).

Abstract: Method for the production of a 3D printed object (100), wherein the method comprises (i) a 3D printing stage, the 3D printing stage comprising 3D printing a 3D printable material (110) to provide the 3D printed object (100) of printed material (120), wherein the 3D printing stage further comprises forming during 3D printing a channel (200) in the 3D printed object (100) under construction, wherein the method further comprises (ii) a filling stage comprising filling the channel (200) with a curable material (140) and curing the curable material (140) to provide the channel (200) with cured material (150), wherein the cured material (150) has a lower stiffness than the surrounding printed material (120).

Abstract: The invention provides a lighting unit (1000) comprising a lighting device (100), wherein the lighting device (100) comprises a light source (10) configured to provide light source light (11) and beam shaping optics (20) configured to shape the light source light into a lighting device beam (101), wherein the lighting device (100) comprises a window (30) comprising an upstream face (31) directed to the light source (10) and a downstream face (32), wherein the lighting unit (1000) further comprises a beam modifier (200) configured adjacent to the window (30) and configured to intercept at least part of said lighting device beam (101), wherein the lighting device (100) and the beam modifier (200) are configured to modify said lighting device beam (101) to provide a lighting unit beam (1001) downstream from said beam modifier (200), wherein the beam modifier (200) comprises a printed beam modifying element (210).

Abstract: Various improvements are provided to breathing training, monitoring and/or assistance devices. A portable device is provided which optionally includes a gas canister, a feedback system for implementing pressure control, and a visual output for indicating adherence to a breathing exercise to the user. The pressure control may provide regulation of different pressures for inhalation and exhalation.

Abstract: A breathing training, monitoring and/or assistance device is provided for home use. The device is for providing support and guidance during the training of breathing exercises. The device takes account of external data which relates to one or more of: the environmental conditions in which the device is being used; activity information in respect of the user; physiological sensor data about the user which is not related to breathing characteristics.

Abstract: Various improvements are provided to breathing training, monitoring and/or assistance devices. A portable device is provided which optionally includes a gas canister, a feedback system for implementing pressure control, and a visual output for indicating adherence to a breathing exercise to the user. The pressure control may provide regulation of different pressures for inhalation and exhalation.

Abstract: The invention provides a color conversion arrangement, a lighting unit, a solid state light emitter package, a luminaire and a specific use of a graphene layer. A color conversion arrangement (140) with the first aspect comprises a first luminescent layer (110), a supporting layer (106) and a first graphene layer (108). The color conversion arrangement (140) is for converting light of a first color to light of another color. The first luminescent layer (110) comprises a first luminescent material which absorbs a portion of light of a first spectral distribution comprising the first color and converts at least a portion of the absorbed light towards light of a second spectral distribution. The supporting layer (106) supports the luminescent layer (110). The first graphene layer (108) thermally conducts heat in a lateral direction such that temperature differences in the color conversion arrangement (140) are reduced. Different arrangements of the layers of the color conversion arrangement (140) are provided.

Abstract: The invention provides a lighting device comprising a light source and a light converter, wherein the light source is configured to provide light source light, wherein the light converter comprises a donor luminescent material able to convert at least part of the first light source light into donor light, and a acceptor luminescent material, wherein the donor luminescent material and acceptor luminescent material are configured as donor-acceptor luminescent materials which, upon excitation of the donor luminescent material by the light source light provide acceptor light having an acceptor light spectral distribution different from a donor light spectral distribution of the donor light, wherein the light converter further comprises a periodic plasmonic antenna array configured to enhance generation of said donor light, and wherein the lighting device is configured to provide lighting device light comprising said donor light and said acceptor light.

Abstract: An illumination device is manufactured by providing (101) a substrate (1) having a first side (1a), sealingly coupling (106) an at least partially light transmitting cover (2) to the substrate (1) such that an enclosed space (3) is defined by at least the first side (1a) of the substrate (1) and the cover (2), providing a through-hole (4) into the enclosed space (3), and introducing (107) a luminescent material into the enclosed space (3) via the through-hole (4). By hermetically sealing (108) the through-hole (4) after the introduction of the luminescent material, the enclosed space (3) becomes sealed and hence luminescent materials being relatively sensitive to e.g. water and/or oxygen become protected from exposure to the environment.

Abstract: The invention provides a lighting device comprising (a) a light converter comprising a light receiving face; and (b) a solid state light source configured to generate a light source light with a photon flux of at least 10 W/cm2 at the light receiving face, wherein the light converter is configured to convert at least part of the light source light into light converter light having a first frequency, wherein the light converter comprises a semiconductor quantum dot in an optical structure selected from a photonic crystal structure and a plasmonic structure, wherein the optical structure is configured to increase the photon density of states in the light converter resonant with the first frequency for reducing saturation quenching, and wherein the quantum dot has a quantum efficiency of at least 80%.

Abstract: A lighting assembly (100), a lamp, a luminaire, a manufacturing method and a manufacturing control program are provided. The lighting assembly comprises a light source (110) and an optical element (120). The light source comprises a solid state light emitter (112) and a luminescent element (114). The solid state light emitter is arranged to emit light of a first color into the luminescent element. The luminescent element comprises a light emission window (115) through which the light is emitted. The optical element is arranged for reducing a color over angle variation of the light emitted by the light emission window of the luminescent element. The optical element comprises a light input face, a light output face and at a plurality of locations a light transmitting wall (122) extending from the light input face to the light output face.

Abstract: The invention provides a lighting unit (1000) comprising a lighting device (100), wherein the lighting device (100) comprises a light source (10) configured to provide light source light (11) and beam shaping optics (20) configured to shape the light source light into a lighting device beam (101), wherein the lighting device (100) comprises a window (30) comprising an upstream face (31) directed to the light source (10) and a downstream face (32), wherein the lighting unit (1000) further comprises a beam modifier (200) configured adjacent to the window (30) and configured to intercept at least part of said lighting device beam (101), wherein the lighting device (100) and the beam modifier (200) are configured to modify said lighting device beam (101) to provide a lighting unit beam (1001) downstream from said beam modifier (200), wherein the beam modifier (200) comprises a printed beam modifying element (210).

Abstract: There is provided an illumination device comprising: a wavelength converting layer comprising a photon emitting donor configured to absorb energy to reach an excited state, and a photon emitting acceptor; an energy source configured to provide energy to the donor such that the donor reach the excited state; wherein the donor and the acceptor are selected and arranged at a distance from each other such that non-radiative transfer of excitation energy from the donor to the acceptor occur, and wherein the acceptor is configured to emit a photon at a second wavelength after the transfer of energy; the illumination device further comprising a periodic plasmonic antenna array, arranged on the substrate and embedded within the wavelength converting layer, and comprising a plurality of individual antenna elements arranged in an antenna array plane, the plasmonic antenna array being configured to support a first lattice resonance at the second wavelength, arising from coupling of localized surface plasmon resonances i