Abstract: Disclosed is a lamp for a vehicle including a light source part that irradiates light, and a shutter unit provided on a front side of the light source part and that shuts at least a portion of the light, the shutter unit includes a plurality of shutter members that are moved in a direction that crosses a forward/rearward direction (F), and the plurality of shutter members are spaced apart from each other along the forward/rearward direction (F).

Abstract: A variable-focus lighting device and a variable-focus lighting system have one light source and are used to adjust the position and focus of light that is emitted, among various positions in an interior space. An installation space on an interior roof is reduced and manufacturing costs are reduced.

Abstract: The lighting device includes a lens array having a plurality of lenses and a focal surface located at a focal distance from the lens array, a light source array having a plurality of light sources arranged to emit light towards the lens array with a light output distributed around a primary axis, and a cover layer having a light-transmissive surface portion delimiting light exit openings. The cover layer is positioned to substantially coincides with the focal surface. Each light source forms a combination with a closest lens, each combination having, in a plane perpendicular to the primary axis, a displacement length and a displacement direction, such that there are least two different displacement lengths and at least two different displacement directions.

Abstract: The invention relates to a device for testing a concentrated photovoltaic module comprising at least one assembly of a photovoltaic cell and of a concentrator, the device being characterized in that it comprises: a light source; a parabolic mirror coupled to the source so as to reflect the light emitted by the source in an almost collimated light beam toward the module to be tested, in a direction perpendicular to the surface of the module; and an intensity filter interposed on the path of the almost collimated beam upstream of the module to be tested, the filter comprising at least partially absorbent regions that have a neutral spectral density with respect to the light beam, the at least partially absorbent regions being arranged facing higher intensity zones of the beam, so as to attenuate differences in the intensity of the beam.

Abstract: A light source (25) for emitting collimated light (29) in particular for a large area luminaire (21) comprises a light guide unit (43) for guiding light by total internal reflection. The light guide unit comprises a plurality of localized light source regions (57) at a main front face (55A) for having light pass there through. The light source (25) further comprises a plurality of light emitting units (41) for emitting light into the light guide strips (91) through respective portions of the at least one coupling face (47) of the light guide unit (43), and a collimation unit (45) extending along the main front face (55A) and comprising a plurality of collimating elements. At least one light emitting unit (41) is configured as a light input coupling assembly (250) to receive collected natural light from a fiber (249) and to provide the received natural light to the light guide unit (43).

Abstract: A vehicle lamp includes a light source configured to draw a road surface, a projection lens configured to transmit light emitted from the light source, and a movable shade disposed in the vicinity of a rear focal point of the projection lens. The movable shade includes at least one plate-shaped shade which has a light-shielding surface along a direction orthogonal to an optical axis of the projection lens. The at least one plate-shaped shade is formed with at least one light-transmitting part having an enclosed shape.

Abstract: A lighting device includes a baffle extending about an optical axis to surround a light source, and a reflector module connected to the baffle. The reflector module includes a main reflector having a light exit opening from which a light output of the lighting device is projected towards a target area, the optical axis passing through the opening, and reflective surfaces adjacent to the opening for reflecting light incident thereon away from the opening. The reflector module further includes auxiliary reflectors for adjusting the shape of the light output of the lighting device. Each auxiliary reflector has a reflective surface, and is moveable relative to the main reflector between a stowed position and a deployed position in which at least part of the reflective surface of the auxiliary reflector is exposed, by the opening of the main reflector, to reflect light incident thereon away from the target area.

Abstract: A strobe reflector that includes a reflective material and a support structure. The support structure may be adjusted or moved into at least two distinct positions to provide two distinct shapes for the reflective material. The first position of the support structure shapes the reflective material in a first configuration (such as a half-hemisphere) and a second position of the support structure shapes the reflective material in a second configuration (such as a full hemisphere).

Abstract: The invention relates to a window (1), in particular, a building window, wherein the window comprises photoluminescent material (2) located within the window. The photoluminescent material (2) is preferentially a phosphorescent material provided on a sun blind which is located within a sealed space (5) between two transparent plates (3, 4) of the window. The photoluminescent material can be charged up by daylight and during the night the photoluminescent material can emanate light. Since the photoluminescent material is located within the window, the photoluminescent material is protected against environmental influences, in particular, against humidity, thereby increasing the lifetime of the photoluminescent material and, thus, of the window. The invention relates further to an object, in particular, a building, comprising the window, thereby giving the object an ambient glow.

Abstract: A dynamic mask adapted to an illumination system is provided. The illumination system includes at least one light source capable of emitting an illumination beam. The dynamic mask includes a board disposed in a transmission path of the illumination beam for adjusting a luminous flux of the illumination beam. The board has at least one strip-shaped opening. The strip-shaped opening has a first end and a second end opposite to the first end. The strip-shaped opening is mirror-symmetric with respect to a symmetrical axis, and the symmetrical axis is a straight line extending from the first end to the second end. A width of the strip-shaped opening increases from the first end to the second end, and the board is capable of moving along a direction parallel to the symmetrical axis. An illumination system using the dynamic mask is also provided.

Abstract: An LED lamp that includes a housing forming an open cavity, a plurality of LEDs configured to produce a light output disposed in the cavity, a lens disposed over the LEDs for focusing and/or diffusing the light output, and a redirection shield disposed in the cavity. The redirection shield includes a base plate with a plurality of apertures formed therein, and a plurality of shielding plates extending from a top surface of the base plate. The LEDs extend through the apertures. The shielding plates block a portion of the light output such that an overall light distribution of the light output from the LED lamp is asymmetric.

Abstract: Described are an improved automated multi source luminaire and luminaire systems. More particularly an multicolor LED array luminaire system with a series of lenses and light louvers to control the light beam.

Abstract: A lighting fixture for use in video conferencing and general illumination includes a housing forming an interior cavity. The housing has an opening in a bottom portion thereof. The lighting fixture also includes at least one light holder for holding at least one light source positioned within the interior cavity of the housing, at least one diffuser plate positioned over the opening of the housing, and a plurality of louvers adjacent to the diffuser plate over the opening of the housing. Each of the plurality of louvers is positioned at an angle such that light produced by the light source is directed to a specific area.

Abstract: An adjustable light beam lighting device, particularly for a flashlight, has in succession along an axis a light source, a collimator collimating the light into a collimated beam, and a first optical element and a second optical element provided with respective arrays of side-by-side lenses arranged according to a network pattern. The lenses of the first element face respective lenses of the second element and are shaped to, respectively, converge and diverge the light from the collimated beam. A mask between the elements is shaped to laterally screen the light exiting from each lens of the first element and to convey the light exiting from each lens of the first element only on the facing lens of the second element, thus screening the adjacent lenses. A movement mechanism translates the elements with along the axis to vary the width of the beam emitted by the device.

Abstract: A stage lighting fixture having a casing extending along a longitudinal axis; a light source housed in a closed end of the casing to emit a light beam substantially along an optical axis; an objective lens located at an open end of the casing; and beam size adjusting means located between the light source and the objective lens to intercept the beam. The beam size adjusting means have an optical element, in turn having a first region with a first concave beam incidence surface of first beam diffusion properties, and a second region with a second concave beam incidence surface of second beam diffusion properties.

Abstract: Movable lighting device for lighting interiors, characterized in that it consists of a three-dimensional geometric body that has translucent or transparent faces, inside which is a light source, and in that the lateral faces thereof have horizontal-slat Venetian-type blinds.

Abstract: The disclosure generally relates to switchable light extractors and in particular to switchable light extractors useful for extracting light from light ducts used for interior lighting of a building. The disclosure also relates to lighting systems that include the light extractors, and methods of extracting light from a lighting system. The switchable light extractors generally include a first and a second reflective film, each having a plurality of voids that can aligned to extract light from a light duct.

Abstract: The luminaire has concave side reflectors defining the width W of a light emission window. V-shaped lamellae are present between the side reflectors in the light emission window. Each outer edges of the lamellae has a central portion which is concavely curved and straight end portions which each have a length of 0.15 to 0.25 W. The lamellae louver is suitable for use in the luminaire.

Abstract: The present invention relates to a daylight deflection system including an arrangement of louvers (5) which are aligned and formed to block daylight impinging from an outer side (3) at higher angles of incidence with respect to a horizontal direction (19), to deflect daylight impinging from the outer side (3) at lower angles of incidence with respect to the horizontal direction (19) towards an indoor ceiling, and to allow visual transmission in at least the horizontal direction (19). In this deflection system OLED's (8) or optical light guides (16) coupled to LED's (17) are attached to or integrated in the louvers (5), said OLED's (8) or light guides (16) being microstructured at a surface to deflect the daylight toward the indoor sealing. With this daylight deflection system indoor lighting combining daylight and artificial light is achieved in a compact manner.

Abstract: A reflector assembly for a lighting apparatus, the reflector assembly comprising two or more reflector modules configured for associating with one or more light sources, each reflector module comprising one or more reflectors for being located adjacent to a light source when the reflector module is associated with the one or more light sources, the one or more reflectors configured to reflect light from the adjacent light source. The reflector modules may further comprising a cover plate defining a plurality of light source apertures for allowing a light source to protrude through the cover plate, at least a first of the one or more light source apertures disposed adjacent to an overhead reflector and at least a second of the one or more light source apertures disposed adjacent to a lateral reflector.

Abstract: A dimming device for a searchlight for adjusting the brightness of a light field generated by a searchlight is provided. The dimming device comprising a plurality of different screening elements, which are formed and provided to partly or completely screen the light emitted by the searchlight. The screening elements are formed by different structured masks at least partly screening the light emitted by the searchlight, which include regularly arranged opaque or partly transparent regions and transparent regions. Means each are provided for incremental adjustment of the brightness of the generated light field of the searchlight either to bring the screening elements into the region of the light emitted by the searchlight, in order to reduce the brightness of the light field generated by one brightness level, or to remove the same from the region of the light emitted by the searchlight, in order to increase the brightness of the light field generated by one brightness level.

Abstract: A luminaire for mounting on a vertical surface is provided, the luminaire including a housing having an aperture, a lamp disposed within the aperture and configured to emit light through the aperture to the vertical surface and to an associated worksurface, and a lamp distribution modifier disposed within the aperture proximate to the lamp, where the lamp distribution modifier is configured to intercept light rays emitted by the lamp in a direction toward an upper portion of the vertical surface.

Abstract: A direct-indirect luminaire including a pair of sockets for receiving at least one tubular fluorescent lamp; a louver, arranged on one side of the lamp socket, for controlling downlight from the lamp; and a shutter, arranged on an opposite side of the lamp socket, for controlling uplight from the lamp. The shutter may include a plurality of adjustably sizeable apertures which may be formed by adjacent members that are slidable relative to each other, with matching patterns of overlapping openings. The adjacent members may further include nested concave surfaces facing the lamp, such as channel-shaped members with openings that are arranged on at least two walls of the channel. A positioner may also be provided for designating a size of the apertures. For example, the positioner may include a protuberance on one of the adjacent members for engaging a hole in the other of the adjacent members.

Abstract: A planar light source of the present invention includes a light source part, a light guide part for guiding light emitted from the light source part to form planar emission of the light, and a reflector for reflecting light emitted from the light source part to allow the light to enter the light guide part. The reflector has a member for controlling the amount of reflected light capable of controlling the amount of reflected light.

Abstract: A grid screen for an illumination device includes a honeycomb grid disc (5) mounted in a component (4) having an aperture (9). The grid screen is fastened to the component with spring clips (10). The spring clips (10) have cranked clip ends (11), which are directed towards the middle and rotated by 90°, so as to pass through the aperture (9) of the honeycomb grid disc (5) and hook under a bridge (3) of the illumination device. Keyhole-type cutouts (8) on both sides of the aperture (9) are positioned over the bridge (3) in a contactless manner. The deeply situated annular honeycomb grid disc (5) absorbs the glare rays (12) emerging from underneath a cap (2), while reflected useful rays (15) are passed through the honeycomb grid disc (5).

Abstract: A dimming device for a searchlight for adjusting the brightness of a light field generated by a searchlight is provided. The dimming device comprising a plurality of different screening elements, which are formed and provided to partly or completely screen the light emitted by the searchlight. The screening elements are formed by different structured masks at least partly screening the light emitted by the searchlight, which include regularly arranged opaque or partly transparent regions and transparent regions. Means each are provided for incremental adjustment of the brightness of the generated light field of the searchlight either to bring the screening elements into the region of the light emitted by the searchlight, in order to reduce the brightness of the light field generated by one brightness level, or to remove the same from the region of the light emitted by the searchlight, in order to increase the brightness of the light field generated by one brightness level.

Abstract: A system (and its methods of use) for collecting and displaying images so as to create a visual effect and, more particularly but not by way of limitation, a three-dimensional visual effect.

Abstract: A modular filtering and reflective system for photographic use is herein disclosed which provides for the precise modification of virtually any type of light pattern. The system is particularly adapted for use with conventional soft boxes, or a bendable panel frame that is disclosed herein. The filtering system is comprised of a plurality of bendable panels of varying opacity and reflective or refractive color tones which are contiguously interconnectable in order to form a panel which is adapted for placement proximate the front opening of the soft box. Each bendable panel also includes a circumferentially disposed edge stiffener for retention of the shape thereof, yet sufficiently pliable to allow selective bending to any user desired shape. The bendable panels may be used as stand-alone hand held, or free standing devices and may also find utility as photographic flags, dots, or fingers.

Abstract: In a particular embodiment, the louver device includes a transparent layer of material having a first surface and, parallel thereto, a second surface. A plurality of shaped louver members are disposed within the transparent layer of material. The shaped louver members are aligned to receive light entering the first surface at a first angle relative to the first surface and direct the light out the second surface at a plurality of angles relative to the second surface.

Abstract: The invention relates to a transmitted-light base (1) for illuminating an object (15) for imaging through a zoom microscope (21), the transmitted-light base (1) comprising an integrated light source (3) having an associated electrical power regulation system (31) for generating a suitable radiation flux, and means (5, 6), capable of being added downstream, for generating a specified spectral intensity distribution. To allow compensation for brightness changes of low dynamic range, such as those occurring in particular during zooming, a continuously controllable mechanical brightness regulator (4) is proposed which is activatable by means of an associated adjustment device (41) in such a way that the illumination intensity of the transmitted-light base (1) is controllable with no change in the spectral intensity distribution.

Abstract: The luminaire has concave side reflectors (2) defining the width W of a light emission window (1). A plurality of V-shaped lamellae (10) is present between the side reflectors (2) in the light emission window (1). Their outer edges (11) each have a central portion (11a) which is concavely curved and straight end portions (11b) which each have a length of 0.15 to 0.25 W. The lamellae louver (20) is suitable for use in the luminaire. The occurrence of glare when the luminaire is used in an office environment is counteracted.

Abstract: An antiglare device comprises a housing for coupling to a headlight of a vehicle. Surfaces of the housing which face a passenger side of the vehicle are reflective to encourage reflection of light away from oncoming traffic while surfaces of the housing facing towards the driver side of the vehicle are preferably non-reflective to reduce the amount of light reflected towards oncoming traffic. Plates may be supported within the housing through which the light passes in which the plates similarly include reflective and non-reflective surface. The plates may be pivotal between a high beam position parallel to the direction of light projected through the housing and a low beam position in which the plates are deflected in the direction in which the reflective surfaces face towards the passenger side. The plates may instead be horizontal in the high beam position and deflected downwardly in the low beam positions.

Abstract: An apparatus and method according to which a louver member is coupled to a lighting device chassis.

Abstract: A large area lighting system, adapted for high mast highway or stadium lighting, for example, includes one or more elongated frames supporting plural light fixtures and elongated light baffles comprising respective sets of spaced apart slats. The respective sets of slats are supported on elongated rods connected to light fixture frame members and the slats are separated by spacers sleeved over the rods. The slats may be oriented at various angles by manual or motor driven adjustment to control the light projection from the lighting system. The slats may also be non-reflective or provided with a mirrored finish to effect control of light projection and/or diffusion.

Abstract: Described is a lamp which includes two fluorescent tubes arranged in parallel relationship and light distribution chambers which extend laterally therefrom on both sides, and a light-technical louver element arranged beneath the fluorescent tubes, for delimiting the light radiating angle of the fluorescent tubes downwardly, wherein arranged between the fluorescent tubes is an elongate trough which is in the form of a mirror on its outside, for accommodating the electronic operating elements for the fluorescent tubes (FIG. 1).

Abstract: A luminaire has side reflectors having edges defining the width W of a light-emission window, and a plurality of lamellae, which have a concave outer edge in the light-emission window and an inner face remote from that window. In the centers of the lamellae, the lamellae have a distance ho between the outer edge and the inner face that is <0.1 W. As a result, the total surface area of the inner face is relatively small. Internal reflections are thereby reduced, and a higher light output is obtained. If the lamellae are solid and made of plastic, less material is required for their fabrication. In a preferred embodiment, ho<0.05 W, and the inner face may then be convex and even have the same contour as the outer edge. The lamellae louver has lamellae of ho<W, in which W is also the length of the lamellae.

Abstract: A light-collimating system for collimating light from a light source has a plurality of elements (2, 2?, . . . ), each element including at least a first wall (3, 3?, . . . ) and at least a second wall (4, 4?, . . . ). The first (3) and second wall (4?) of adjacent elements are spaced with respect to each other at a side of the light-collimating system facing the light source, the spacing defining an aperture window (5, 5?, . . . ) for admitting light into the light-collimating system. The first and second wall of said adjacent elements form a wedge-shaped structure widening in a direction facing away from the light source. The first and the second wall are provided with a specular reflecting surface at a side facing the wedge-shaped structure. According to the invention, the wedge angle (w of the first and second wall with respect to the normal on the aperture window are adjustable for enabling adjustable collimation.

Abstract: A headlamp assembly for producing high and low beam patterns includes a housing having a reflector. The reflector includes high and low beam reflector surfaces. A light source is disposed within the housing for producing light rays projecting towards the high and low beam reflector surfaces. A plurality of shafts extends alongside the light source. A drive is operatively connected to the plurality of shafts for rotation thereof. A shield is connected to the plurality of shafts. Activation of the drive rotates the plurality of shafts to selectively move the shield between an open position, in which the light rays project towards and reflect off of the high beam reflector surfaces to produce the high beam pattern, and a closed position, in which the light rays project towards and reflect off of the low beam reflector surfaces to produce the low beam pattern while the shield blocks a portion of the light rays from projecting towards the high beam reflector surfaces.

Abstract: A light fixture for mounting a light and one or more electrical devices to either the ground or a structural surface. The light fixture includes an integral rectangular base assembly with a plurality of vertical framing members. A light transmitting tube is slidingly carried over the vertical framing members and a plurality of louver members are slidingly carried over the light transmitting tube. The light fixture provides a weatherproof enclosure for enclosing the light, the electrical devices, and all associated electrical wiring.

Abstract: An electrical handlamp includes a casing molded in two sections which are secured together and cooperate to define a handle for housing a lamp socket and wire connections from a supply cord to the socket. One handle section is integrally molded to provide a closed half shell for partially surrounding and housing a lamp. A protective cage is mounted for rotation about an axis between a closed position protecting the lamp and an open position for replacing the lamp. A hook at the top of the half shell rotatably mounts the top of the protective cage, and the bottom of the cage is rotatably received on the socket. A clasp releaseably latches the cage to the half shell in the closed position of the cage.

Abstract: The present invention relates in general to a system (and its methods of use) for collecting and displaying images so as to create a visual effect and, more particularly but not by way of limitation, a three-dimensional visual effect.

Abstract: A laser lighting system which employs employ visible and reflective laser beam lighting sources to provide illumination of airport runways and taxiways, preferred approach and departure routes, seaplane base landing areas, marine waterways, as well as to assist in search and rescue operations. The lighting system includes handheld laser lighting units or flares particularly useful for search and which have an optic which emits a laser beam for generating a laser line which is uniformly illuminated from end to end. The handheld laser lighting units may have a pistol grip housing or a cylindrical housing, and may feature either a trigger switch, a plunger switch, or a rotary switch. The handheld laser lighting units are battery powered, and include waterproofing seals for protection from the elements.

Abstract: A picture light comprising a fitting (12,13) for mounting the light on a wall or picture. An arm (9) pivotally attached by pivot (10) at one end to the fitting (11) and at its other end by pivot (8) to hood or shade (1) in which at least one bulb (30) is housed. Adjustable light directing means are mounted in the hood (1) in the form of a pair of spaced vertical plates (40,44) movable axially of the hood (1) on rotation of knobs (5,6) and a pair of horizontal plates (50,50A) mounted on the vertical plates 40,44. Movement of the plates 40,44 axially along the hood (1) adjusts the depth of the pool of light (76) falling on the picture (75) whereas pivoting the horizontal plates (50,50A) adjusts the width of the pool of light (76).

Abstract: An apparatus and method for providing uniform intensity light is disclosed. The apparatus comprises a transparent sheet, substantially transparent at a wavelength region of interest, and a line pattern, printed on a first side of the transparent sheet. The line pattern selectively blocks a portion of light transmitted through the transparent sheet, creating a substantially uniform light intensity for the transmitted light.

Abstract: A lamp shade together with a lamp base and light source which includes one or more flexible and stretchable translucent annular sheets with large and small ring elements on the edge portions of each sheet, one ring element of each pair being fixed to the lamp base and the other being movable so that the associated annular sheet can be located in a selected position in relation to the light source.

Abstract: A laser lighting system which employs employ visible and reflective laser beam lighting sources to provide illumination of airport runways and taxiways, preferred approach and departure routes, seaplane base landing areas, marine waterways, as well as to assist in search and rescue operations. The laser lighting system may be a laser lighting post or a laser lighting unit for providing radiation along a surface that includes at least one laser for producing a beam of coherent visible or reflective radiation, and a glass plano-convex cylindrical lens which has an aspherical convex cylindrical surface for generating a laser line which is uniformally illuminated from end to end. The laser lighting post includes a mounting column which has an access door for providing access to a tilt switch assembly and an AC/DC power adapter unit. The mounting column is attached to a base plate by a frangible coupling.

Abstract: The present invention relates to a pattern-changing structure for a projection light system comprising a base plate, a rotating disc, a motor, and a patterned disc, and the motor is mounted at one lateral side of the base plate, and the shaft center of the cam passes through the center of the base plate and the rotating disc, to form as a unit. A crankshaft having two ends is mounted to the base plate, and one end is mounted with a stopping region and the other end is mounted with a spring hook. The spring hook is connected to a pulling spring and a cavity hole is provided on the base plate for the protrusion of the stopping region. The rotating disc is also provided with a plurality of positioning teeth. When the motor rotates, the cam controls the crankshaft to protrude/extend or to retract, and the positioning teeth is either extended or retracted. Thus, the rotating disc is rotated intermittently and various pattern images are obtained.

Abstract: The present invention relates to a connecting accessory 10 for fluorescent amps, comprising two lampholders 16 constructed separately from one another and mutually spaced for holding the corresponding connecting ends of the fluorescent lamp 14. In this case, the lampholders 16 are each arranged in a holder receptacle 18. Moreover, the holder receptacles 18 each have an integrated device for the strain relief of electric connecting lines 22 leading to a ballast or coming therefrom.

Abstract: An apparatus for providing uniform light intensity is disclosed. The apparatus consists of a number of wires arranged diagonally and horizontally on a frame. The horizontal wires are arranged with variable vertical spacing to create eight different zones of light attenuation transmission. The apparatus is designed such that the zones having the highest light attenuation are placed in front of the most intense light from a source and the zones having the lowest light attenuation are placed in front of the least intense light from the source. By matching the zones of the apparatus to the intensity pattern of the light source a uniform light source is created.

Abstract: An illumination assembly for an optical viewing device that includes an optical subassembly for viewing an illuminated object plane. The illumination assembly includes a base member having an imaging window formed therethrough, a plurality of LEDs fixed to the base member in a plane substantially coplanar with the imaging window for projecting light upwardly away from the base member, and a non-mirrored reflector for redirecting light emitted from the LEDs back through the imaging window toward the object plane to illuminate the object plane. The non-mirrored reflector is positioned so as to house the LEDs, and includes a central aperture for providing optical communication between the illuminated object plane and the optical subassembly.