Abstract:
In an aspect, a lighting system (1) comprises a lighting unit (11) with a light source (31) and a dichroic light exiting surface (15), wherein the lighting unit (11) is configured for emitting dichroic light from the dichroic light exiting surface (15). The emitted dichroic light includes a directional light portion (37) of direct light (17) and a diffused light portion (39) of diffused light (19) with a another larger correlated color temperature. The lighting system further comprises an appearance affecting optical system (13) with a plurality of structural elements (40, 91, 93, 101, 105) that comprise surfaces that delimit a plurality of diffused light passages (14, 103, 107), and comprise direct light illuminated surface regions (25), which are subject to the illumination with direct light (17) from respectively associated affected direct light providing areas (81) of the dichroic light exiting surface (15). Moreover, the affected direct light providing areas (81) cover at least 70% of the dichroic light exiting surface (15), and the direct light (17) from at least one affected direct light providing area (81) and diffused light (19) propagate within at least one of the diffused light passages (14, 103, 107).
Abstract:
A high bay luminaire includes a heat sink having a substantially disc-shaped configuration. A light emitter is connected to the heat sink. A reflector is connected to the heat sink. A yoke is connected to the heat sink. The yoke has a first arm, a second arm, and a top bar. A driver is connected to the yoke so that the driver extends between the first arm and the second arm.
Abstract:
A portable solar light system is configured to move from outdoors during the day, wherein batteries are charge by photovoltaic cells, to indoors at night to provide lighting. A portable solar light system has a light fixture that has one or more solar light assemblies attached thereto. A photovoltaic cell is configured on a top surface of the light fixture and the light projects light from the bottom surface of the light fixture. In addition, a light fixture has a top and bottom connector to allow easy placement of the light fixture both outdoors and indoors. The top and/or bottom connectors have attachment features to allow a hook to be attached to enable the light fixture to be hung in a desired location and the bottom connector may be attached to a stand-base to form a floor lamp. An extension rod may be configured into the top or bottom connectors.
Abstract:
The present invention regards a modular lighting system comprising an modular lighting system comprising an elongated box-like support module (3) made integral in one piece comprising a lighting grid member (15), an interchangeable first end coupling fixture body (19) comprising a self-contained electrical supply means (37) and an electrical coupling member (35), which are electrically connected to each other and both being mounted to the interchangeable first end coupling fixture body (19). The electrical coupling member (35) is arranged for providing electrical contact with a light source (7) when the latter is fitted into the modular lighting system (1), wherein the interchangeable first end coupling fixture body (19) comprises a suspension means (44, 46, 97) adapted to suspension mounting.
Abstract:
An optical element 100 for use in front of a light source 102 for obtaining a skylight appearance, a lighting system and a luminaire are provided. The optical element 100 comprises a light transmitting cell which comprises a light transmitting channel 116, a light input window 106, a light exit window 110 and a wall 108. The light transmitting channel 116 collimates a part of light 104 emitted by the light source 102. The light input window 106 is arranged at a first side of the light transmitting channel 116 and receives light 104 from the light source 102. The light exit window 110 emits light with the skylight appearance. At least a part of the light exit window 110 is arranged at a second side of the light transmitting channel 116 opposite to the first side. The wall 108 is interposed between the light input window 106 and the part of the light exit window 110. The wall 108 encloses the light transmitting channel 116. At least a part of the wall 108 is reflective and/or transmissive in a predefined spectral range to obtain a blue light emission at relatively large light emission angles with respect to a normal to the part of the light exit window 110.
Abstract:
The invention relates to an optical element (9) for deviating light rays that are incident upon and then re-emerge from said optical element, in such a way that the angle at which they emerge is limited. Said optical element is suitable for use e.g. as a light cover and comprises a plate-shaped core (1), which consists of a transparent material and which is provided with microprisms (2) on one side. Said microprisms are tapered in such a way as to form furrows (7). The microprisms cover surfaces (4) in their entirety form e.g. the surface upon which the light is incident and the other side of the core (1) forms the surface from which the light emerges, the furrows (7) being covered with a layer (12) that is reflective on at least one side. A film (11) consisting of a transparent material is also provided and is located on the side of the reflective layer (12) that faces away from the core (1) of the element. The invention also relates to methods for producing the optical element (9) and the reflective element (10) with the reflective layer (12).
Abstract:
Lighting apparatus for use with fluorescent tubes. The apparatus disclosed is suited particularly for use with T5 type fluorescent tubes. Certain aspects of the invention relate to lighting units employing an extruded box-section housing providing the basis for a variety of types of light fittings and modular track-type lighting systems. Other aspects relate to light fittings and kits-of-parts enabling existing lighting installations employing, for example, T8 type fluorescent tubes to be converted for use with improved types of fluorescent tubes, such as T5 type.
Abstract:
Fluorescent lamp reflectors consisting of two elongated side plates (2) and of a number of cross pieces (4) are normally made of a very thin, blank anodized aluminum plate material, the cross pieces being shaped and bent into a V-shape and fixed to the side plates by means of protruding lugs (30 and 32), which are stuck through slots in the side plates and bent out along the outer side of the plates. Traditionally this process is done manually, requiring great care. The invention provides a method by which the production may be effected in a rapid automatic manner, the cross pieces (4) being produced by an integrated operation and transferred to a holder gauge (24), whereafter side plates (2) leniently fetched from a storage (34) are moved so as to be mounted onto all of the lugs (30, 32) simultaneously, and thereafter all the lugs are bent out in one operation by means of a special lug folding tool (42). For receiving the lugs by moderate precision requirements, rather wide slots (26, 28) in the side plates are used, and the insertion of the side plates is carried out with the cross pieces (4) slightly compressed. The cross pieces are brought back to a correct cross sectional shape when the respective lugs (30, 32) are pressed out towards the ends of the slots (26, 28) in connection with the folding out of the lugs.
Abstract:
A reflector for a lighting fitting or luminaire, especially for a fluorescent lamp or tube, is produced in a plant, which comprises a first production line (10, 12) for producing transversal fins of the reflector and a second production line (11, 13, 15) for producing side components (16, 17) of the reflector. A predetermined number of transversal fins are assembled or joined with two side components (16, 17) in an assembling unit (14) of the plant, in which assembling unit (14) the transversal fins are maintained in positions substantially corresponding to the arrangement of the transversal fins of the reflector by means of a fixation device. The projecting lugs of the transversal fins are then inserted through corresponding apertures of the side components and are bent for assembling the two side components and the transversal fins to a reflector.