Abstract: An elongated luminaire for illuminating objects in front of the luminaire, comprising a plurality of side emitting LEDs (1) in only one straight array mounted on an elongated base plate (2). The base plate (2) carries two elongated reflectors (3) extending on either side of the array of LEDs (1) and parallel to the array of LEDs (1). Each reflector (3) has a reflecting surface (4) directed towards the array of LEDs (1).

Abstract: An elongated luminaire for illuminating objects in front of the luminaire, comprising a plurality of side emitting LEDs (1) in only one straight array mounted on an elongated base plate (2). The base plate (2) carries two elongated reflectors (3) extending on either side of the array of LEDs (1) and parallel to the array of LEDs (1). Each reflector (3) has a reflecting surface (4) directed towards the array of LEDs (1).

Abstract: The illumination system has a plurality of light emitters (R, G, B) and a light-collimator (1) for collimating light emitted by the light emitters. Light propagation in the light-collimator is based on total internal reflection (TIR) towards a light-exit window (4) of the light-collimator. At least one light sensor (8) for optical feedback is placed outside the light-collimator and is arranged to receive light emitted by the light emitters exclusively through reflection at the light-exit window of the light-collimator. Preferably, the light sensor is placed substantially coplanar with the light emitters. Preferably, a side wall (35) of the light-collimator is provided with a protruding portion (9) for guiding the light reflected at the light-exit window of the light-collimator towards the light sensor. Preferably, the illumination system is provided with a reflector (12). Preferably, the illumination system comprises a holographic diffuser (17).

Abstract: The invention relates to a collimation arrangement (1, 2, 3, 4) for collimating light emitted by at least one light emitting diode (12, 14) arranged on a planar base (16). The collimation arrangement (1, 2, 3, 4) comprising a collimator (20, 22, 24) and a set of reflective surfaces (50, 52). The collimator comprises a light-ingress window (28, 30) for admitting light emitted by the at least one light emitting diode into the collimator (20, 22, 24), a light-egress window (32, 34) for emitting the light from the collimator (20, 22, 24), and comprises a first edge surface (36), a second edge surface (38), a third edge surface (40, 42, 44) and a fourth edge surface (46, 48).

Abstract: A light emitting diode (LED) assembly, comprising a metal substrate (1) which is partly covered on one side with a dielectric layer (2) on which an electric circuit (3) is present, and a multitude of LED units (5, 6, 7) each comprising a LED chip, wherein each LED unit is mounted in a gap in said dielectric layer on the metal substrate by a heat conducting adhesive layer (8), wherein electrical conductors (9) connect each LED unit with the electric circuit on the adjacent dielectric layer, and wherein at least two LED units are mounted together in one gap in the dielectric layer.

Abstract: Light system for a vehicle headlight unit, the system comprising a light source (11), a lamp reflector (12) and a substantially rod-shaped transparent light guide (2), wherein the reflector (12) projects light from the light source (11) into the light guide (2), the light guide comprises a glass guide part (21) and a plastic guide part (22), and the glass guide part (21) extends between the light source (11) and the plastic part (22).

Abstract: A light-guiding system comprising a plate-like light-emitting element (20) provided with means for emitting light through at least part of its front surface (22). Light is coupled in by a plate-like light-guiding member (21) connected to a lateral side of said lightemitting element (20). One or more interstices (25) are present between said light-emitting element (20) and said light-guiding member (21).

Abstract: The invention relates to the on-line analysis of meta-data that is received together with a video signal. This analysis results in an adaptation of the lighting surrounding the presentation device (110). One or more characteristics of the meta-data are filtered out and translated into lighting settings of one or more light elements (102, 104, 106, 108), which in turn can contain one or more light sources.

Abstract: The illumination system has a plurality of light emitters (R, G, B) and a light collimator (1) for collimating light emitted by the light emitters. Light propagation in the light-collimator is based on total internal reflection (TIR) towards a light-exit window (4) of the light-collimator. At least one light sensor (8) for optical feedback is placed outside the light-collimator and is arranged to receive light emitted by the light emitters exclusively through reflection at the light-exit window of the light-collimator. Preferably, the light sensor is placed substantially coplanar with the light emitters. Preferably, a side wall (35) of the light-collimator is provided with a protruding portion (9) for guiding the light reflected at the light-exit window of the light-collimator towards the light sensor. Preferably, the illumination system is provided with a reflector (12). Preferably, the illumination system comprises a holographic diffuser (17).

Abstract: A light-guiding system comprising a plate-like light-guiding member (1) provided with a lateral surface for coupling in light into said light-guiding member (1). The ends of a number of light transmission rods (6) are connected to said lateral surface, while said light-guiding member (1) and said light transmission rods (6) are one piece of the same material.

Abstract: A light-guiding device having a coupling-in surface (46) for coupling-in light radiation substantially in a first main direction (41) perpendicular to said coupling-in surface (26;46), and having a coupling-out surface (47,48,49) for coupling-out light radiation substantially in a second main direction (42) perpendicular to said coupling-out surface. The coupling-out surface has other dimensions than the coupling-in surface (46). The device comprises a number of plate-like light-guiding members (43,44,45), each having a substantially rectangular lateral coupling-in surface and a substantially rectangular lateral coupling-out surface (47,48,49). A number of the plate-like light-guiding members are stacked together to create the coupling-in surface (46) formed by said lateral coupling-in surfaces abutting each other at their long sides. The coupling-out surface (47,48,49) is created by said lateral coupling-out surfaces abutting each other at their short sides.

Abstract: The invention relates to a light emitting panel (1) to be mounted against the roof of the passenger compartment of a vehicle, comprising a transparent plate-like light guiding member (2) whereby light is coupled in through one or more side surfaces (21) of the member (2) and light is coupled out through the lower surface(22) of the member (2) for lighting said compartment. According to the invention a light transmitting cover (200) is attached to said lower surface (22) of the member (2).

Abstract: A light-guiding system comprising a plate-like light-emitting element (20) provided with means for emitting light through at least part of its front surface (22). Light is coupled in by a plate-like light-guiding member (21) connected to a lateral side of said lightemitting element (20). One or more interstices (25) are present between said light-emitting element (20) and said light-guiding member (21).

Abstract: A light-guiding system comprising a plate-like light-guiding element (20) having a substantially flat lateral surface and means for coupling in light through said lateral surface. Said means comprise a light-guiding member (1,21) substantially having a flat platelike and triangular shape, wherein a shorter side (2) comprises light-coupling means (5) for coupling in light into said light-guiding member (1,21). A longer side of the triangle comprises a coupling-out surface (7) which faces said lateral surface for coupling in light into said light-guiding element (20). The third side (8) of the triangle comprises a number of surfaces (10) that are positioned at an angle to the direction of said third side (8).

Abstract: A light-guiding system comprising a plate-like light-guiding member (1) provided with a lateral surface for coupling in light into said light-guiding member (1). The ends of a number of light transmission rods (6) are connected to said lateral surface, while said light-guiding member (1) and said light transmission rods (6) are one piece of the same material.

Abstract: The invention describes relates to the on-line analysis of a video signal that is presented to the user, typically on a screen (110). This analysis results in an adaptation of the lighting. One or more characteristics of the signal are filtered out and translated into lighting settings of one or more light elements (102, 104, 106, 108), which in turn can contain one or more light sources.

Abstract: The invention relates to the on-line analysis of meta-data that is received together with a video signal. This analysis results in an adaptation of the lighting surrounding the presentation device (110). One or more characteristics of the meta-data are filtered out and translated into lighting settings of one or more light elements (102, 104, 106, 108), which in turn can contain one or more light sources.

Abstract: A luminaire comprises a relatively thin and flat light-emitting panel (1) having a light-emitting window (2) and, opposite said light-emitting window, a rear wall (3) with opposed edge surfaces (4, 14). At least one of the edge surfaces (4) is light transmitting and associated with a plurality of light sources (5, 5′, 5″, . . . ). Light originating from the light sources (5, 5′, 5″, . . . ) is spread in the panel (1). The invention is characterized in that a plurality of deformities (7, 7′, 7″, . . . ; 8, 8′, . . . ) is provided in the panel (1) for extracting light from the panel (1) via the light emission window (2). The deformities (7, 7′, 7″, . . . ; 8, 8′, . . . ) are clustered so as to form at least one light symbol (27; 28). The configuration of the clusters (17; 18) of deformities (7, 7′, 7″, . . . ; 8, 8′, . . . ) corresponds to the shape of the light symbol (27; 28).

Abstract: The electric lamp has a light source (20) in an outer bulb (21). The light source (20) is secured in an envelope (1) by means of an insulator body (40) in which current connection conductors (43) are integrated and which is present in a lamp cap (10) of the reflector lamp. The lamp cap (10) is mechanically connected to a neck portion (5) of the envelope (1). The integrated insulator/current connector body (40, 43) enables electrical contacting, fixation, and mechanical adjustment of the light source (20) in the envelope (1).

Abstract: A luminaire comprises a relatively thin and flat light-emitting panel (1) having a light-emitting window (2) and, opposite said light-emitting window, a rear wall (3) with opposed edge surfaces (4, 14). At least one of the edge surfaces (4) is light transmitting and associated with a plurality of light sources (5, 5′, 5″, . . . ). Light originating from the light sources (5, 5′, 5″, . . . ) is spread in the panel (1). The invention is characterized in that a plurality of deformities (7, 7′, 7″, . . . ; 8, 8′, . . . ) is provided in the panel (1) for extracting light from the panel (1) via the light emission window (2). The deformities (7, 7′, 7″, . . . ; 8, 8′, . . . ) are clustered so as to form at least one light symbol (27; 28). The configuration of the clusters (17; 18) of deformities (7, 7′, 7″, . . . ; 8, 8′, . . . ) corresponds to the shape of the light symbol (27; 28).