Abstract: A magnetic track and lighting system is described. The present magnetic luminaire attaches to a track through magnetic connectors and provides easy mobility of the luminaires on the track without necessary mechanical attachment mechanisms. The magnetic luminaire incorporates the utilization of LED sources and provides in its design cooling and heat dissipation by the interface between the magnetic luminaire and the track.

Abstract: A light-emitting device comprises a light source adapted to emit light of a first wavelength range; a reflective body comprising a reflective layer; a wavelength converting layer comprising a wavelength converting material adapted to absorb light of said first wavelength range and to emit light of a second wavelength range, said wavelength converting layer and said light source being arranged mutually spaced apart; and light-scattering elements adapted to scatter light of at least said first wavelength range; wherein at least part of said light-scattering elements are arranged in the path of light from said light source to said wavelength converting layer. The light-emitting device according to the invention provides improved uniformity in color and also improved brightness uniformity.

Abstract: The invention relates to automatically verifying the possibility of rendering a lighting atmosphere from an abstract description, for example from a lighting atmosphere specified in XML (Extensible Markup Language) independent of a specific lighting infrastructure and of a room layout. A basic idea of the invention is to create for each addressable light unit of a light infrastructure a so called light infrastructure capability that generally describes the effect, measures the maximum possible effect and relates the effect to a location in a semantic area of a target environment. This allows to automatically verifying the possibility of rendering a lighting atmosphere from an abstract description in a lighting infrastructure at an early stage of the lighting atmosphere design process.

Abstract: The invention relates to a color-tunable illumination system (10), to a lamp and to a luminaire. The color-tunable illumination system comprises a light source (20) emitting light of a first predefined color (B), and comprises a luminescent material (30) for converting light of the first predefined color into light of a second predefined color (A). The color-tunable illumination system further comprises shielding means (40, 42) arranged for preventing at least part of the light emitted by the light source to impinge on the luminescent material. The light source, the luminescent material and/or the shielding means are changeable from a first situation to a second situation. In the first situation the color-tunable illumination system is arranged for shielding at least part of the luminescent material against impinging light of the first predefined color.

Abstract: The invention relates to an illumination device (10) for illuminating a surface, with a lighting element (20) and an illuminating body (30), wherein the lighting element (20) emits an artificial light (21,21?), a housing element (40) comprises the lighting element (20) and supports the illuminating body (30), the illuminating body (30) comprises a transparent light conductive material and is generally overlying the surface, being illuminated. The invention discloses, that the illuminating body (30) comprises a light extraction layer (50), configured to receive and to deflect the artificial light (21,21?) from the lighting element (20) onto the surface.

Abstract: A solid-state lighting device (500) includes a plurality of light-emitting elements (510, 525, 530) configured for generating light that are thermally coupled to a heat spreading chassis configured for coupling to one or more heat sinks (520). The lighting device further includes a mixing chamber which is optically coupled to the plurality of light-emitting elements and configured to mix the light emitted by the plurality of light-emitting elements. A control system is operatively coupled to the plurality of light-emitting elements, and configured to control operation of the plurality of light-emitting elements.

Abstract: This invention relates to a lighting module (101) comprising a carrier (103), a plurality of LED groups (109), arranged in an array on the carrier (103), a mesh (105), arranged at the carrier (103), and a front diffuser plate (107) arranged in front of the mesh (105). The mesh (105) has walls, which are arranged in a geometrical pattern forming a plurality of cells (113), such that the light emitted from at least some of the LED groups, which are adjacent to each other, is mixed before passing the diffuser plate.

Abstract: The invention relates to a light device comprising a light source (2), a ventilation unit (3) and a sealed transparent casing (4) sealing the inside (5) of the casing from the outside of the casing (4). The light source (2) and the ventilation unit (3) are located within the casing (4) and the ventilation unit (3) is adapted for generating a gas flow (6, 7) for transporting heat generated by the light source (2) to an inner surface (8) of the casing (4).

Abstract: A lamp cap (100) comprising a base part (101) defining a cavity (102) for receiving a socket (203) of a lamp, the base part (101) having a lateral wall arrangement (103) limiting the cavity (102) and a ring shaped bottom side (104) surrounding an aperture (105); an electrical insulating interface (106) fixed to the bottom side of the base part (104) in such a manner that it covers the aperture (105), a space (102) being defined between the electrical insulating interface (106) and the lateral wall arrangement (103); and an electrical connector assembly (120) extending through the electrical insulating interface (106) to provide an electrical connection between the lamp socket (203) and an electrical power supply. A method of and apparatus for manufacturing a lamp cap is also described.

Abstract: A bulb-type LED lamp (1) has a bulb (3) mounted on a socket (5). A light source (7), comprising a plurality of LEDs mounted on a PCB (9), is arranged inside the bulb (3). The PCB (9) acts as and/or is connected to cooling means (21). The outer surface (15) of the bulb is formed both by light transmittable surface (22) and/or sub-areas (23) thereof and the cooling means (21), which cooling means extend from inside the bulb into the outer surface of the bulb. Surfaces are mutually flush at locations at the outer surface of the bulb where said surfaces of both the cooling means and the light transmittable sub-areas border each other. The spatial light intensity distribution of the lamp of the invention is significantly improved over the prior art bulb-type LED lamp.

Abstract: The present invention provides an illumination module comprising one or more light-emitting elements which are thermally coupled to one or more heat extraction elements. The one or more heat extraction elements are configured to transfer heat in substantially a first direction. One or more optical elements are further integrated into the illumination module, wherein the one or more optical elements are optically coupled to the one or more light-emitting elements and configured to redirect the light emitted by the one or more light-emitting elements in substantially the first direction.

Abstract: A lighting system includes a first and a second controllable light sources generating, respectively, a first and a second lights; a first detector configured to receive at least a portion of the first light and measure at least one attribute thereof in a first predetermined location proximate to the first controllable light source; a memory configured to store at least one of a specification of the second controllable light source and at least one operating parameter of the first controllable light source. The system also includes a processor configured to receive the at least one attribute of the first light, and to control the second controllable light source to generate the second light having an attribute that substantially matches the attribute of the first light in a predetermined second location.

Abstract: The invention provides an illumination device (10) with a light emitting diode (20), a transmissive support (50) comprising a luminescent material (51), and a translucent exit window (60). The ratio of the diffuser cavity cross section (212) and LED cavity cross section (211) is larger than (1). With the proposed illumination device (10), the lamp may in particular look white when it is in the off-state and illuminated with white light. Other advantages are that an intrinsically efficient system may be provided and that a warm white option may be provided.

Abstract: Proposed is a light emitting apparatus (1) comprising a light source (5) for emitting light and a collimator (40) for arranging the light emitted in an application specific distribution. The light source comprises (i) a semiconductor device (10) capable of emitting light, (ii) a body (20) having a bottom surface (21) adjacent to the semiconductor device (10) and an opposing top surface (22), and (iii) a reflector (30) positioned adjacent the top surface (22). The light emitting apparatus (1) is characterised in that the reflector (30) has a surface larger than the bottom surface (21) of the body (20). This is especially advantageous for creating a given light beam collimation with a smaller collimator or alternatively for creating a collimator producing a significantly narrower light beam.

Abstract: The invention relates to a thin illumination device (1, 10, 20, 30, 40, 50, 60). The invention also relates to a display device and a luminary device comprising such a thin illumination device. The thin illumination device comprises a translucent plate (2, 23, 31, 41, 51, 66, 73) provided with an array of light-emitting diodes (LEDs) (3, 32, 47, 61, 75) connected by an electric conducting pattern, and a reflector (4, 20, 22, 43, 53, 62, 74) arranged on a first side of the plate at a distance from the plate. Such a construction can be made thinner and works more efficiently than a conventional LED thin-film illumination device.

Abstract: The invention relates to a lighting device (101) comprising a blue light source, e.g. an LED (102), combined with a wavelength converting ceramic (106) and a collimating optical component (110). The ceramic (106) is mechanically carried by the optical component (110), for example by a glue or by insert moulding. Intermediate gaps between the light source (102) and the converter (106) are preferably filled with a material like silicone.

Abstract: The invention relates to an optical device for imparting an elongate shape to a light beam emitted by a LED, and to street luminaries which comprise such optical devices. The optical device comprises a lens (2) having an entry diopter (3) and an exit diopter (4) which comprises a first convergent section, a second convergent section and a divergent section bridging said first and second convergent sections.

Abstract: A heat dissipation assembly for an LED downlight, comprises an LED printed circuit board assembly having a first surface, a second surface and a plurality of LEDs on one of the first surface and the second surface, the LED printed circuit board assembly engaging a primary reflector on a second surface, wherein the LED printed circuit board assembly transfer thermal energy in a first mode to the heat sink and in a second mode to the primary reflector.

Abstract: A method for generating an electrode layer pattern in an organic functional device (101; 201) comprising a first transparent electrode layer (103; 203), a second electrode layer (104; 204) and an organic functional layer (102; 202) sandwiched between said first and second electrode layers (103, 104; 203, 204). The method comprises the steps of arranging (601) a laser (704; 804) to irradiate said organic functional device (701; 801) through said first transparent electrode layer (103; 203), selecting (602) a set of laser parameters in order to enable said laser (704; 804) to locally modify an electric conductivity of said second electrode layer (104; 204), and locally modifying, by said laser (704; 804) in accordance with said set of laser parameters, the electric conductivity of said second electrode layer (104; 204), thereby generating said electrode layer pattern.

Abstract: Methods and systems are provided for lighting systems, including high output linear lighting systems for various environments. The linear lighting systems may include power systems for driving light sources in high-voltage environments.