Abstract: Disclosed is a method of manufacturing a polyorganosiloxane-based stamp comprising providing a master including a transfer pattern surface; forming a first layer of a first curable composition onto the transfer pattern surface such that the first layer includes a relief pattern of said transfer pattern; partially curing the first layer; depositing a second layer of a second curable composition onto the partially cured first layer; co-curing the partially cured first layer and the second layer to form a cured first layer having a first Young's modulus, adhered to a cured second layer having a second Young's modulus smaller than the first Young's modulus; depositing a third layer of a third curable composition onto the second layer, and curing the third layer to form a cured third layer adhered to the cured second layer. Further disclosed is a polyorganosiloxane-based stamp obtainable from the method; use of the same for printing process; and an imprinting method using the same.

Abstract: Disclosed is a laminate (100) comprising an abrasion resisting layer (101) disposed on a surface (102) of an optically transmissive substrate (103), wherein the layer comprises a pattern of spatially separated protrusions (104) of a material extending away from the surface, and silica (105) interposed between the protrusions, wherein the material has a Knoop hardness measured according to ASTM E384 Knoop Hardness Standard which is greater than that of the silica. Further disclosed is a device comprising an optically transmissive component comprising the laminate, and a method of manufacturing the laminate.

Abstract: The present invention relates to a silicone rubber like material and a printing device including a stamp layer comprising such a material. The material is suitable for use in soft lithography as it enables stable features having dimensions in the nanometer range to be obtained on a substrate, and also allows for the accommodation onto rough and non-flat substrate surfaces. The invention also relates to methods for manufacturing the silicone rubber like material and stamp layer and use thereof in lithographic processes.

Abstract: Disclosed are imprinting ink compositions for use in imprinting techniques such as SCIL. The imprinting ink compositions comprise TMO nanoparticles stabilized by selected polymerization inhibitors that allow for the formation of a stable imprinting ink composition in which polymerization of the TMO nanoparticles is effectively suppressed and from which high refractive index patterned layers can be formed. Imprinting methods using such imprinting ink compositions, optical devices including patterned layers formed from such imprinting ink compositions and lighting devices, optical sensors and photovoltaic devices including such optical elements are also disclosed.

Abstract: The present invention relates to fluorescence imaging. In order to enhance compatibility with multiple fluorescence channels for calibrating a fluorescence microscope, a calibration slide is provided that comprises a substrate and a pixel layout. The pixel layout comprises a plurality of spaced apart metal nanostructures arranged on a surface of the substrate. The metal nanostructures are arranged to produce plasmon resonances that allow absorbing light at an excitation wavelength to produce photo-luminescence and/or fluorescence light for generating a fluorescent image. The fluorescent image comprises a plurality of pixel intensity values that are provided for calibration of a fluorescence microscope.

Abstract: Disclosed is a method and apparatus for contacting a relief stamping surface of a flexible stamp with a receiving surface of a substrate. The method and apparatus can be used in an imprinting method. During the method and with the apparatus, creation or breaking of contact near a contact front (border) of a preformed contact area in which a part of a locally bent relief stamping surface is in contact with the stamp receiving surface, the speed of such creation or breaking is varied for different parts of the flexible stamp such that this contact front moves over the stamp receiving surface with different speed at different locations along a contact front movement trajectory on the stamp receiving surface. This may be used to optimize throughput when using such method and apparatus.

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: The present invention relates to a light emitting device (100) comprising: a substrate (102); a light emitting diode structure (106) arranged on the substrate (102), the diode structure (106) comprising a first semiconducting layer (108), an active region (110) and a second semiconducting layer (112), wherein a light output surface of the diode structure comprises a plurality of protruding surface structures (104) each having a peak height, a sidewall slope (122) and orientation in relation to the substrate, the plurality of protruding structures (104) comprising a first set and a second set of protruding surface structures, the first set and second set of protruding surface structures differing by at least one of the peak height, sidewall slope and orientation in relation to the substrate. The invention also relates to a method for manufacturing a light emitting device where the protruding surface structures are formed by imprint lithography to form a three-dimensional pattern and subsequent etching.

Abstract: There is provided an illumination device (100) comprising: a substrate (104); an optically transmissive first layer (106) arranged on the substrate; a photon emitting layer (108), arranged on the optically transmissive first layer and comprising a photon emitting material configured to receive energy from an energy source and to emit light having a predetermined wavelength; a periodic plasmonic antenna array, arranged on the substrate and embedded within the first layer, and comprising a plurality of individual antenna elements (114) arranged in an antenna array plane, the plasmonic antenna array being configured to support a first lattice resonance at the predetermined wavelength, arising from coupling of localized surface plasmon resonances in the individual antenna elements to photonic modes supported by the system comprising the plasmonic antenna array and the photon emitting layer, wherein the plasmonic antenna array is configured to comprise plasmon resonance modes such that light emitted from the plasm

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

Abstract: Embodiments of the invention include a semiconductor light emitting device for emitting a first light at a first wavelength and a wavelength conversion medium arranged to convert at least part of the first light into a second light at a second wavelength. The wavelength conversion medium is disposed between a periodic antenna array and the semiconductor light emitting device. The periodic antenna array includes a plurality of antennas. The periodic antenna array supports surface lattice resonances arising from diffractive coupling of localized surface plasmon resonances in at least one of the antennas.

Abstract: A method of manufacturing a patterned stamp for patterning a contoured surface is disclosed. The method comprises providing a pliable stamp layer carrying a pattern of features, forcing the pliable stamp layer onto the contoured surface with said pattern of features facing the contoured surface; applying a fluid support layer over the pliable stamp layer on the contoured surface; solidifying the support layer to form the patterned stamp; and removing the patterned stamp from the contoured surface. A corresponding patterned stamp, imprinting method and imprinted article are also disclosed.

Abstract: Illumination structure (100) and illumination devices comprising such illumination structure are described.

Abstract: A light emitting device (1) comprising a light source (2) adapted for, in operation, emitting light (13) with a first spectral distribution, a first light guide (3) comprising a first light input surface (31) and a first light exit surface (32) arranged opposite to one another, and further comprising an end surface (35) extending perpendicular with respect to the first light input surface (31), and a second light guide (4) comprising a second light input surface (41) and a second light exit surface (42) extending perpendicular with respect to one another.

Abstract: A method of manufacturing a patterned stamp (100) for patterning a contoured surface (10) is disclosed. The method comprises providing a pliable stamp layer (120) carrying a pattern of features (122), forcing the pliable stamp layer onto the contoured surface with said pattern of features facing the contoured surface; applying a fluid support layer (130) over the pliable stamp layer on the contoured surface; solidifying the support layer (140) to form the patterned stamp; and removing the patterned stamp from the contoured surface. A corresponding patterned stamp, imprinting method and imprinted article are also disclosed.

Abstract: The invention provides an organic light-emitting device (OLED) comprising: a transparent substrate; a first, transparent electrode layer arranged on said substrate; one or more organic light-active layers arranged on said first electrode layer; a second electrode layer arranged on said one or more organic light-active layers; and a discontinuous layer comprising discrete, randomly distributed nanometer-sized domains of a low refractive index material, arranged between said first electrode layer and said one or more organic light-active layers. The discontinuous layer of discrete, randomly distributed nano-sized domains increases the light extraction efficiency of the OLED.

Abstract: A method of manufacturing a patterned stamp (100) for patterning a contoured surface (10) is disclosed. The method comprises applying a layer (115) of a pliable material precursor over a master (50) carrying an inverse pattern (52) to form a desired pattern (112) in said layer; curing the pliable material precursor to form a pliable stamp layer (120) comprising said desired pattern; providing an intermediate stamp structure by adhering a porous pliable support layer (130) to the pliable stamp layer; releasing the intermediate stamp structure from the master; forcing the intermediate stamp structure onto the contoured surface with said pattern of features facing the contoured surface; forming the patterned stamp by filling the porous pliable support layer with a filler material to reduce the pliability of the support layer; and removing the patterned stamp from the contoured surface. A corresponding patterned stamp, imprinting method and imprinted article are also disclosed.

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: Illumination structure (100) and illumination devices comprising such illumination structure are described.

Abstract: Embodiments of the invention include a semiconductor light emitting device for emitting a first light at a first wavelength and a wavelength conversion medium arranged to convert at least part of the first light into a second light at a second wavelength. The wavelength conversion medium is disposed between a periodic antenna array and the semiconductor light emitting device. The periodic antenna array includes a plurality of antennas. The periodic antenna array supports surface lattice resonances arising from diffractive coupling of localized surface plasmon resonances in at least one of the antennas.