Abstract: Disclosed is a product comprising a luminous surface, the product comprising a light guide (10) providing said luminous surface, said light guide comprising a plurality of scattering elements (12) for producing a substantially homogeneous light output across said luminous surface; and a first solid state lighting element (20) arranged to emit a beam of light (30) into the light guide; wherein the light guide further comprises a body (40) arranged to create a region (50) in the light guide shaded from said beam.

Abstract: A luminaire comprises a first lighting module for providing a first lighting effect such as task lighting. The first lighting module has a front light exit face and a support structure with a rear reflective portion. A second lighting module is for providing a second lighting effect such as decorative lighting, directed to the reflective portion of the support structure. The luminaire is capable of producing the two different lighting effects in different directions.

Abstract: The invention relates to computer implemented method that enables the generation of a virtual design of a lighting device and that determines the components for the virtually designed lighting device. The computer implemented method comprises four main steps and will be performed on a computing device or system. First 100, the computing device receives desired lighting output information indicative of a desired lighting output. Then 102, it selects an initial virtual lighting device able to generate the desired lighting output. Subsequently 104, it adapts parameters of the initial virtual lighting device for generating the virtual design of the lighting device while retaining the desired lighting output.

Abstract: A lighting device is provided, a plurality of light sources are located within a housing of the lighting device. A sensor is also provided to determine an indication of the point of lowest potential energy and/or the point of highest kinetic energy. This sensor output is input to a controller that is configured to determine a change in the position or a movement of the point of lowest potential energy and/or the point of highest kinetic energy as the position of the lighting device changes based on the sensor output and to change a property of the light emitted by the plurality of light sources based on the change of position or a movement of the point of lowest potential energy and/or the point of highest kinetic energy.

Abstract: A lighting system comprising a track having a first and a second rail (5, 7), mutually extending equidistantly. Said first and second rail comprise a first respectively a second electrically conductive strip (13, 15), mutually electrically isolated. A lighting module comprising a first and second electrical contact, which lighting module in mounted position rests by gravitational force on the first and second rail. When mounted the first and second electrical contact are in electrical contact with a respective one of the first and second electrically conductive strip. The lighting module is dismountable from the track by a single displacement of the lighting module in a direction against the direction of the gravitational force.

Abstract: The present invention relates to assisting a user in selecting a lighting device (408) design through receiving an image of a scene, e.g. the user taking a picture using his/her smartphone of his/her living room (410) and analyzing this image in order to select or generate a lighting device (408) design. The analysis can comprise determining the presence of a pattern, material or color in the scene and a lighting device (408) design can be selected (e.g. from an electronic catalog) that comprises a similar pattern, material or color. As another example, a lighting device (408) design can be generated to match such a pattern, material or color. The invention further comprises a system and computer program product for implementation of this method.

Abstract: Various receiver electrodes for supplying power to a load connected in a capacitive power transfer system are disclosed. In one embodiment, the receiver electrodes include a first conductive plate (212) connected to a first sphere-shaped hinge (211), wherein the first sphere-shaped hinge is coupled to a first receiver electrode (210); and a second conductive plate (222) connected to a second sphere-shaped hinge (221), wherein the second sphere-shaped hinge is coupled to a second receiver electrode (220), the second receiver electrode being connected to an inductor of the capacitive power transfer system and the first receiver electrode being connected to the load, the inductor being connected to the load to resonate the capacitive power transfer system.

Abstract: A lighting system comprising a track having a first and a second rail, mutually extending equidistantly. Said first and second rail comprise a first respectively a second electrically conductive strip, mutually electrically isolated. A lighting module comprising a first and second electrical contact, which lighting module in mounted position rests by gravitational force on the first and second rail. When mounted the first and second electrical contact are in electrical contact with a respective one of the first and second electrically conductive strip. The lighting module is dismountable from the track by a single displacement of the lighting module in a direction against the direction of the gravitational force.

Abstract: A lighting system comprising a track having a first and a second rail (5, 7), mutually extending equidistantly. Said first and second rail comprise a first respectively a second electrically conductive strip, mutually electrically isolated. A lighting module (17) comprising a first and second electrical contact, which lighting module in mounted position rests by gravitational force on the first and second rail. When mounted the first and second electrical contact are in electrical contact with a respective one of the first and second electrically conductive strip. The lighting module is dismountable from the track by a single displacement of the lighting module in a direction against the direction of the gravitational force.

Abstract: Disclosed is a retractable lighting fixture having a retractable LED lighting layer. One or more optical layers (40, 240A/B, 340A/B, 440) may optionally be provided over the LED lighting layer (30, 230, 330, 430). The optical layer(s) and the LED lighting layer may optionally be movable relative to one another between at least being in an expanded spaced relation to one another and a compressed relation to one another. One or more LEDs (34, 134, 234A/B, 334A/B, 434) on the LED lighting layer may be individually controllable and such LEDs (34, 134, 234A/B, 334A/B, 434) may be selectively extinguished when they are in a retracted position.

Abstract: A luminaire comprises a first lighting module for providing a first lighting effect such as task lighting. The first lighting module has a front light exit face and a support structure with a rear reflective portion. A second lighting module is for providing a second lighting effect such as decorative lighting, directed to the reflective portion of the support structure. The luminaire is capable of producing the two different lighting effects in different directions.

Abstract: A lighting device (1) is provided. The light device (1) comprises a first part (2) and a second part (2) which is flexibly connected to the first part (2) so that the lighting device (1) can be in at least two configurations. There is a sensor (7) which detects the configuration of the lighting device (1) and a controller for receiving the sensor signal from the sensor (7) and for providing an output to first light sources and second light sources.

Abstract: A lighting device is provided, a plurality of light sources are located within a housing of the lighting device. A sensor is also provided to determine an indication of the point of lowest potential energy and/or the point of highest kinetic energy. This sensor output is input to a controller that is configured to determine a change in the position or a movement of the point of lowest potential energy and/or the point of highest kinetic energy as the position of the lighting device changes based on the sensor output and to change a property of the light emitted by the plurality of light sources based on the change of position or a movement of the point of lowest potential energy and/or the point of highest kinetic energy.

Abstract: Disclosed are methods and apparatus related to a LED-based lighting fixture having a touch-sensitive light emitting surface that may be touched by a user to change light output characteristics of LEDs of the lighting fixture. The LED-based lighting fixture may include a flexible touch-sensitive layer and a flexible light emitting layer having a plurality of individually controllable LED groups. Touch events may be detected via input from the flexible touch-sensitive layer and at least one light output characteristic of the LED groups altered in correspondence with the touch events.

Abstract: The invention provides a sound attenuating panel (100) with controllable sound attenuation properties, the sound attenuating panel (100) comprising (a) a sound attenuating unit (200) with cavities (212) with variable dimensions and (b) an infrastructure (300) for controlling the dimensions of the cavities (212) in the sound attenuating unit (200). The sound attenuating unit comprises sound attenuating material with controllable sound attenuating properties, but may also have wave guiding properties, thereby allowing to combine in the sound attenuating unit 200 both sound attenuating properties and optical properties.

Abstract: A lighting system comprising: a first controllable light source (11) configured to provide light in a first direction; a second electrically controllable light source (16) configured to provide light in a second direction; a support structure (14) comprising at least one region of light diffusing particles configured to diffuse light provided by the second electrically controllable light source such that at least a portion of the light provided by the second electrically controllable light source is output in the first direction and is mixed with the light provided by the first controllable light source.

Abstract: A method for controlling an angular distribution of a light-beam emitted by a light-output device (102, 200) comprising a first set of light-sources (105, 211) comprising at least one light-source configured to emit light within a first angular range (221, 231, 241) and second set of light-sources (107, 210) comprising at least one light-source configured to emit light within a second angular range (222, 232, 242), wherein the first angular range is different from the second angular range. The method comprises the steps of: receiving (401) a dimmer setting (VDS) from a dimmer (101); controlling (404), if the dimmer setting is within a first predetermined range, the first set of light-sources to emit light within the first angular range; and controlling (405), if the dimmer setting is within a second predetermined range, the second set of light-sources to emit light within the second angular range.

Abstract: A non-transparent light-emitting construction element (100; 200; 300; 400), comprising: a construction element having a mounting side and a user-facing side (104; 204; 304) to be facing a user when the light-emitting construction element is used in a construction; and a light-emitter (108; 404) embedded in the construction element, wherein the light-emitter is embedded in the construction element in such a way that the light-emitter is non-visible in its off-state and light from the light-emitter escapes from the construction element when the light-emitter is in its on-state.

Abstract: Disclosed is a retractable lighting fixture having a retractable LED lighting layer. One or more optical layers (40, 240A/B, 340A/B, 440) may optionally be provided over the LED lighting layer (30, 230, 330, 430). The optical layer(s) and the LED lighting layer may optionally be movable relative to one another between at least being in an expanded spaced relation to one another and a compressed relation to one another. One or more LEDs (34, 134, 234A/B, 334A/B, 434) on the LED lighting layer may be individually controllable and such LEDs (34, 134, 234A/B, 334A/B, 434) may be selectively extinguished when they are in a retracted position.

Abstract: Methods and apparatus related to controlling illumination on a lighting unit (10). The method includes reading orientation data from an orientation sensor (17) on the lighting unit as well as reading distance data from a distance sensor (15) on the lighting unit. A controller (63) is provided to control various light output surfaces (12) on the lighting unit. Once the controller determines the orientation of the lighting unit as well as distance data of the lighting unit from external structures or luminaire structures, the controller adjusts various light output characteristics of the lighting unit. The method may additionally include a memory storage which allows the controller to compare read data with stored data to determine an associated light fixture type for automated commissioning. Alternatively, the lighting unit can reconfigure itself to output light in various orientations based upon said read data.