Abstract: The invention describes a flexible lighting strip comprising a multitude of light-emitting diodes arranged in at least two groups. Each group comprises at least two light-emitting diodes arranged in an electrical series connection. The at least two groups are arranged in parallel to an anode track and a cathode track. The at least two groups are arranged in a longitudinal arrangement such that a last light-emitting diode of a first group is arranged next to a first light-emitting diode of a second group. The anode track and the cathode track each consist of a wire line having substantially circular wires that are bent to receive compressive and/or tensile stress. The electrical circuit provides a third wire line having a substantially circular wire as a center line arranged between the outer lines. At least one light-emitting diode of every group is mounted on an interposer which contracts all three wire lines.

Abstract: The invention relates to a light emitting device (LED), especially a LED at least partly embedded in transparent or translucent silicone fill, whereby the embedded LED is housed in a white silicone housing. Here and in the following, the wording transparent silicone fill always means a transparent or translucent silicone material. The invention further relates to a method for embedding the LED partly in a white silicone housing on the one hand and partly in transparent silicone fill on the other hand. The invention finally relates to the transparent silicone fill. The inner part of the LED device is at least partly embedded in transparent silicone fill, wherein the at least partly embedded LED device is housed in a white silicone housing comprising a white box silicone. A part of the inner part of the LED device is embedded in the white box silicone.

Abstract: The invention describes a flexible lighting strip for use in a vehicle signaling light. The flexible lighting strip comprises a multitude of light-emitting diodes. The flexible lighting strip is arranged to be bended around at least two, more preferably three linear independent axes. Light-emitting diodes of at least a first group of the light-emitting diodes are inclined with respect to a longitudinal extension of the flexible lighting strip such that surface normals of light exit surfaces of the first group of the light-emitting diodes enclose a first angle of more than 0° with corresponding surface normals of a light emission surface of the flexible lighting strip. The invention further relates to a light assembly comprising such a flexible lighting strip. The invention finally relates to a vehicle signaling light comprising such a vehicle light assembly.

Abstract: A vehicle light assembly comprising: a flexible lighting strip with a multitude of light-emitting diodes that are bent around at least two linear independent axes; an optically passive lighting strip terminator that is coupled to an end surface of the flexible lighting strip and is arranged such that light emitted by the light emitting diodes is at least partly recycled; a light guiding structure comprising a light receiving surface that receives light emitted by the flexible lighting strip and the lighting strip terminator and surface defines a bending of the flexible lighting strip and a primary light emission surface that emits at least a part of the light received via the light receiving surface; a coupling structure that mechanically couples the flexible lighting strip and the lighting strip terminator to the light receiving surface. The vehicle light assembly can further be comprised in a front or rear vehicle light.

Abstract: A vehicle light assembly comprising: a flexible lighting strip comprising a multitude of light-emitting diodes, wherein the flexible lighting strip is arranged to be bent around at least two, more preferred three linear independent axes; a light guiding structure comprising a light receiving surface and a primary light emission surface, wherein the light receiving surface receives light emitted by the flexible lighting strip, wherein the primary light emission surface emits at least a part of the light received via the light receiving surface, and wherein the light receiving surface is arranged to define a bending of the flexible lighting strip; a coupling structure that is arranged to mechanically couple the flexible lighting strip to the light receiving surface in accordance with the bending defined by the light receiving surface. The invention further describes a vehicle rear light or vehicle front light comprising the vehicle light assembly.

Abstract: A flexible lighting strip comprises a multitude of light-emitting diodes (LEDs) and is arranged to bend around at least two, preferably three, linear independent axes. The LEDs are arranged in at least two groups, wherein each group comprises at least two LEDs arranged in an electrical series connection. The groups are arranged in an electrical parallel connection to an anode and cathode track. The groups are arranged in a longitudinal arrangement such that a last LED of a first group is arranged next to the first LED of a second group, and are mechanically coupled via an electrically isolated coupling structure such that a stiffness of the flexible lighting strip between the last LED of the first group and the first LED of the second group is matched to a mechanical stiffness between neighboring LEDs comprised by one of the first or second.

Abstract: A lighting assembly includes at least two LED elements arranged at a distance from each other. A diffusor element extends over the LED lighting elements. The diffusor element comprises first diffusion portions arranged in front of the LED lighting elements and second diffusion portions arranged in between the first diffusion portions. The first diffusion portions are disposed to cause a stronger optical diffusion than the second diffusion portions, thereby providing a more homogeneous appearance of light emitted from the diffusor element.

Abstract: A lighting device comprises at least one LED element for emitting light into an emission direction. A bendable light guide is arranged to guide light emitted from the LED element. The bendable light guide comprises at least a first portion formed of an elastic, light transmitting light guide material covering at least the emission direction of the LED element, and a second portion formed of an elastic, light transmitting light guide material. In order to be able to function under varying environmental conditions, the second portion is arranged spaced from the first portion in the emission direction by a separation space.

Abstract: A light conversion package for a semiconductor light source includes a light conversion block, a substrate, and an interconnector. The light conversion block is positioned to receive incident light from the semiconductor light source and acts to convert the incident light to light having a different spectral distribution. The interconnector attaches the light conversion block to the substrate and limits a thermal resistance between the light conversion block and the substrate so that the substrate can efficiently sink heat from the light conversion block. The interconnector and the substrate together may still provide high reflectivity.

Abstract: The invention describes an LED module comprising a number of light-emitting diodes arranged on a carrier; and an encapsulant covering the LEDs, which encapsulant comprises a translucent constituent and a metallic particle constituent, and wherein the constituents of the encapsulant are chosen to impart a desired degree of concealment to the LEDs in the inactive state of the LED module. The invention further describes a device comprising a device housing and at least one such LED module arranged to emit light through an aperture in the device housing, and wherein the constituents of the encapsulant of the LED modules are chosen according to a colour of the device housing. The invention further describes a method of manufacturing such an LED module.

Abstract: The invention describes a method of manufacturing an LED module, comprising the steps of providing a translucent encapsulant comprising a number of layers to enclose a number of LEDs of the LED module; modifying the surface structure of an outer surface of a layer to form at least one dense scattering region corresponding to the position of an LED of the LED module; to form at least one sparse scattering region that does not correspond to the position of an LED of the LED module; and to form a transition scattering region between a dense scattering region and a sparse scattering region. The invention further describes an LED module, and a device comprising a device housing and at least one such LED module.

Abstract: An elongated lead frame (100) for a plurality of solid state light emitters (116), an elongated lighting assembly and a method of manufacturing an elongated lead frame are provided. The elongated lead frame comprises a first patterned layer (310) of an electrically conductive material and a second patterned layer (320) of an electrically isolating material. The first patterned layer comprising two electrically conductive tracks (102) that comprise first structures (316, 316?) for a first layer of a stack of light emitter islands and two electrically conductive connections between the first structures, at least one of the electrically conductive tracks comprises in between pairs of neighboring first structures a winded portion for forming a flexible electrically conductive connection in between the pairs of neighboring first structures.

Abstract: The present invention relates to a method for providing a reflective coating to a substrate for a light-emitting device, comprising the steps of: providing a substrate having a first surface portion with a first surface material and a second surface portion with a second surface material different from the first surface material; applying a reflective compound configured to attach to said first surface material to form a bond with the substrate in the first surface portion that is stronger than a bond between the reflective compound and the substrate in the second surface portion; curing said reflective compound to form a reflective coating having said bond between the reflective coating and the substrate in the first surface portion; and subjecting said substrate to a mechanical treatment with such an intensity as to remove said reflective coating from said second surface portion while said reflective coating remains on said first surface portion.

Abstract: A compact LED lighting unit, (1) for camera flash applications, comprising a reflective housing having (14) having a reflective base (15) and an open top (51); an LED (10) mounted within the reflective housing (14) and a beam shaping foil stack (12) provided over the open top of the housing (14); wherein, the foil stack (12) comprises first and second microstructured sheets (50, 52), each having an array of elongate locally parallel ridges (41) facing away from the LED, wherein the ridges of one sheet locally cross the ridges of the other sheet by an angle in the range 30 to 150 degrees.

Abstract: A lighting device is disclosed, which comprises a light transmitting element extending along a perimeter such that a hollow is defined by the light transmitting element. The light transmitting element comprises a light in-coupling surface adapted to couple light emitted by at least one light emitting element into the light transmitting element, and a light out-coupling surface adapted to couple light out of the light transmitting element. The lighting device is combined with a light reflecting envelope arranged to enclose the lighting device such that light emitted from the light out-coupling surface is reflected at an inner surface of the envelope. Thereby a reflected image may be produced, having an appearance resembling a candle flame.

Abstract: The present invention relates to a method for providing a reflective coating to a substrate for a light-emitting device, comprising the steps of: providing a substrate having a first surface portion with a first surface material and a second surface portion with a second surface material different from the first surface material; applying a reflective compound configured to attach to said first surface material to form a bond with the substrate in the first surface portion that is stronger than a bond between the reflective compound and the substrate in the second surface portion; curing said reflective compound to form a reflective coating having said bond between the reflective coating and the substrate in the first surface portion; and subjecting said substrate to a mechanical treatment with such an intensity as to remove said reflective coating from said second surface portion while said reflective coating remains on said first surface portion.

Abstract: A compact LED lighting unit, (1) for camera flash applications, comprising a reflective housing having (14) having a reflective base (15) and an open top (51); an LED (10) mounted within the reflective housing (14) and a beam shaping foil stack (12) provided over the open top of the housing (14); wherein, the foil stack (12) comprises first and second microstructured sheets (50, 52), each having an array of elongate locally parallel ridges (41) facing away from the LED, wherein the ridges of one sheet locally cross the ridges of the other sheet by an angle in the range 30 to 150 degrees.

Abstract: A light emitting arrangement is provided, comprising: an array of light-emitting elements (20) arranged on a carrier (10) having an inner surface (11) facing an interior space at least partially enclosed by said carrier, and an outer surface (12), and wherein the light emitting elements (20) are arranged to emit light towards the interior space, and a tubular wavelength converting member (30) having an envelope body comprising a light-receiving inner envelope surface (31) facing an interior space partially enclosed by said wavelength converting member, and an outer envelope surface (32), the wavelength converting member (30) being arranged adjacent said carrier (10) to receive light emitted by said light emitting elements (20) via said light-receiving inner envelope surface (31). The light emitting arrangement offers improved cooling and enables high lumen output without overheating.

Abstract: The present invention relates to a method for providing a reflective coating (114) to a substrate (104) for a light-emitting device (112), comprising the steps of: providing (201) a substrate (104) having a first surface portion (116) with a first surface material and a second surface portion (106, 108) with a second surface material different from the first surface material; applying (202) a reflective compound (401) configured to attach to said first surface material to form a bond with the substrate (104) in the first surface portion (116) that is stronger than a bond between the reflective compound (401) and the substrate (104) in the second surface portion (106, 108); curing (203) said reflective compound (401) to form a reflective coating (114) having said bond between the reflective coating (114) and the substrate (104) in the first surface portion (116); and subjecting said substrate (104) to a mechanical treatment with such an intensity as to remove (205) said reflective coating (114) from said secon

Abstract: An LED lighting unit comprising a support structure (14), an LED-based light emitting structure (10) mounted within the support structure and an optical beam shaping arrangement (50, 52) over the top of the support structure. The optical beam shaping arrangement comprises an optically transparent and thermally stable material, and the support structure supports the microstructured layer at a small height above the LED-based light emitting structure. This height may for example be less than 0.5 mm. The optical beam shaping arrangement enables a compact and low height lighting unit to be mounted on a carrier by reflow soldering without damaging the optical beam-shaping component.