Abstract: Combination light fixture/HVAC duct/ad card holder for transit vehicle has roof mounted light fixture having a housing extending inboard to receive roof fasteners readily accessible through a cover strip. A single panel provides ad display serves as air duct with air vents and is supported by a detachable hinge at the light housing. In another embodiment the lamp housing is below the card panel. Combination outboard extrusions form a wiring trough and attachment for duct lower wall, and inboard extrusions form detachable hinge, supporting display panel and card holder. Upper bracket extrusion receives panel and card. Extrusions are attached to display panel by double-sided adhesive tape. Light fixture has ballast member accessible from inside lamp housing.

Abstract: A back light module disposed under a display panel has at least a light source generator for generating light beams, a diffusing plate for scattering the light beams to the display panel, a light guide plate for scattering the light beams to the diffusing plate, at least a light shading sheet with a plurality of light holes, and a reflecting sheet for scattering the light beams to the light guide plate.

Abstract: A zoned UV curing system for drying UV inks and coatings in printing presses. A plurality of linear UV lamps are spaced apart laterally across the travel path of substrates in a press. The axis of each lamp is aligned generally with the travel path, but may be slanted slightly so that every point on the travel path passes directly under at least one lamp. Power supply and control means allow selection of which lamps are powered, so that unneeded lamps may be turned off to save power. The power level of each lamp is variable. One transverse UV lamp may be placed upstream to initiate curing before substrates pass the zoned system. An IR heater may be placed upstream to preheat UV ink and coatings to enhance curing and to smooth coatings.

Abstract: The luminaire comprises a reflector body (1) which has a reflecting coating (2) on its reflection side (3), and means (4) for accommodating an electric lamp on the reflection side (3). The reflection side (3) has an area (31) with a metal reflecting surface. The area (31) may have a metal sheet cover (32). The cover (32) may follow the surface of the area (31), or it may be spaced apart therefrom. The luminaire benefits from the low absorption of light by the coating (2), and from the high specular reflection of metal in the area (31) to give a high light intensity in a direction determined by the position of the area (31) with respect to a lamp accommodated by the means (4).

Abstract: The present invention provides a backlight device that has a heat-generating light source, such as a fluorescent tube. This backlight device includes; fluorescent tubes that emit light when power is supplied to the fluorescent tube electrodes; and a light guide plate that guides the light emitted from the fluorescent tubes to a liquid crystal panel. In this backlight device, heat release members for releasing the heat from the fluorescent tube electrodes are provided at the corners of the light guide plate that face the fluorescent tube electrodes of the fluorescent tubes. With these heat release members, the light guide plate is prevented from melting.

Abstract: A lighting system and components are described for a lighting assembly, including a socket having a socket body and an electrical connector with a seal in the socket to seal around a light source. The socket is preferably configured to be independent of the mounting arrangement for the lighting assembly. An insulator is also disclosed for a lamp such as a fluorescent lamp having a body which protects the contact on the lamp so as to form a recessed lamp conductor. The combination of a socket and lamp insulator is also disclosed for providing a socket and insulator assembly for reducing the possibility of injury or damage due to high open circuit voltage, environmental effects and the like. Additionally, a lighting assembly is disclosed incorporating the insulator, socket and mounting arrangements.

Abstract: An air handling luminaire having a light diffuser, louver, or lamp shield made of a flammable material and mounted within a luminaire housing. Integral with the luminaire housing is a heat distortable support clip from which the light diffuser, louver, or lamp shield depends. The luminaire housing also has a ballast channel and at least one reflector mounted therein. The ballast channel and luminaire housing have a plurality of vents and air gaps for fluid communication with an air plenum. The heat distortable support clip non-permanently deforms or distorts when introduced to a predetermined temperature in order to release the lamp shield from the housing and prevent burning thereof.

Abstract: It is an object to obtain a light source device and a projection type display device in which a fragment can be completely enclosed therein even if a discharge lamp bursts during lighting. During normal lighting of a discharge lamp (1), an internal space of a light source device (10) and an external space are spatially connected to each other through a vent hole (43) formed on a cutoff valve mechanism (45) and a vent hole (100) formed on a concave reflecting mirror (4). Cooling air is introduced and discharged between the internal space and the external space so that the discharge lamp (1) is cooled down. When the discharge lamp (1) bursts during lighting for some reason, a very strong impulsive pressure wave is generated in a moment of the burst. The pressure wave presses a movable valve (41) provided in the cutoff valve mechanism (45) through the vent hole (100).

Abstract: A lamp module and a back light device having the lamp module are provided. The lamp module includes a resilient holder, a lamp tube, and a support unit. The resilient holder has an accommodation portion, such as a cavity, for accommodating one end of the lamp tube. The support unit has a reception portion, such as a groove, for engaging with a plug portion of the resilient holder. The support unit has a ditch in one side and the lamp module further includes a conductive element disposed in the ditch for dissipating heat generated by the lamp tube.

Abstract: A backlight unit includes a light guide plate, a fluorescent tube having terminals at both ends thereof and disposed along a side surface of the light guide plate, a reflector plate fitted to a principal surface on one side of the light guide plate, and a reflector film fitted to the light guide plate so as to cover the fluorescent tube. Leads are soldered respectively to the terminals of the fluorescent tube, and heat-radiating plates are co-soldered to the solder portions. A temperature rise at the solder portion can be restrained by the heat-radiating plate, so that deterioration of the solder portions can be restrained, and contact failure between the terminals of the fluorescent tube and the leads due to deterioration of the solder portions can be prevented.

Abstract: An illuminating apparatus for an exhaust tail pipe includes an outer duct, an inner duct located in the outer duct, an illuminating means located between the outer duct and the inner duct, and a conductive wire linking the illuminating means to brake lights to enable the illuminating means to emit light synchronously with the brake lights. The illuminating means includes a front anchoring lid, a front insulation pad, at least one LED panel, a rear insulation pad, a rear anchoring lid, an asbestos heat insulation pad and a plug lid. Because the LED panel is sandwiched by the insulation pads on the front and the rear side, the front anchoring lid and the inner duct form an interval therebetween, and the plug lid and the outer duct have radiation openings formed on the periphery thereof and form a radiation space, the LED panel and the conductive wire may be prevented from damaging in high temperature.

Abstract: A lighting apparatus is provided that includes a bulb housing having a first surface, and a second surface, wherein the first surface is at an angle greater than zero degrees, but less than or equal to forty-five degrees from a second surface, and wherein the second surface is parallel to a plane on which the bulb housing is to be mounted, and a receptacle connected to the first surface. A quad-tube fluorescent bulb is accommodated within the receptacle. When the angle has a value of forty-five degrees, three tubes of the quad-tube fluorescent bulb are exposed and seventy-five percent of the lighting produced by the quad-tube fluorescent bulb is direct light and twenty-five percent of the lighting produced is indirect or reflected light.

Abstract: A lamp assembly comprising an elongate source of radiation, a reflector with an elongate reflective surface partly surrounding the source and having an opening for emission of radiation down towards a substrate for curing a coating thereon. The reflective surface has a generally concave profile and the source is located near the base of the concavity. The reflector includes two reflector elements each having a shaped surface which combines with the other when the elements are held in a first relative position to form a cavity in which the source is located and on the surface of which the reflective surface is provided. The source is mounted to be movable with one element to a second position relative the other element in which the source is located in a user accessible position.

Abstract: A high efficient tubular light emitting cylinder is disclosed. The high efficient tubular light emitting cylinder is especially an LED tubular light emitting cylinder which can be installed and maintained easily and has a high light emitting efficiency. The tubular light emitting cylinder has a plurality of light emitting segments. The light emitting segments are connected in series. The connected light emitting segments are installed in a tubular light emitting cylinder for improving the light emitting efficiency. The light emitting segments can be taken out from the light emitting cylinder easily so that the light emitting cylinder can be installed and maintained easily and conveniently.

Abstract: A grow light having an exterior shell with an air inlet and a hot air exhaust outlet, and a specular interior insertable into the shell. The sides of the specular insert are spaced apart from the walls of the shell so as to form a double-walled housing having air cooling chambers and vents which facilitate the movement and exhaust of air heated by high intensity light bulbs.

Abstract: A compact fluorescent lamp comprises a plastic housing. The plastic housing includes a plastic cap and a plastic shell. A discharge tube extends from the plastic housing through openings formed in the plastic cap. The compact fluorescent lamp further comprises a tubulation which contains amalgam material and communicates with the discharge tube. A heat conducting means is integrally formed with the plastic housing which is suitable for receiving a heat conductive material forming a thermal bridge towards the tubulation.

Abstract: A system and method of cooling a bulb of a type that requires cooling in one part, but not in others. A deflector assembly is coupled through a reflector, to the bulb, to cool only one part.

Abstract: The present invention is a rope light structure, wherein several sets of light bulbs in series connection are disposed inside the hollow area of a transparent inner layer of polyvinyl chloride (PVC hereafter), the positive and negative pole terminals of the said several sets of light bulbs are connected in parallel with two core wires on two sides, an inner edge of transparent inner PVC layer is mounted with several arcuations, an outer layer thereof is covered by a transparent outer PVC layer disposed with several arcuations, thereby several arcuations are formed between the inner and the outer layers to define heat sink space for the light bulbs to facilitate the heat dissipation of the light bulbs so as to increase useful life of the light bulbs, to augment the brightness of the rope light so as to make multiple variations of refracting light.

Abstract: A flourescent lighting fixture includes a secondary housing member for ballast laterally offset from and to one side of a primary housing member for flourescent bulbing. A bridge assembly extends between the housing members. A dead air enclosure may be positioned to one side of the bridge assembly and within the primary housing member for heat transfer abatement purposes. A metallic diverter panel may be provided within the primary housing member, for example, as one wall of the dead air enclosure. The housing members include a series of exteriorly protruding fin plate means for defusing heat generated by the flourescent bulbing throughout and across the exterior of the housing members and away from the interior of the ballast assembly.

Abstract: A less costly bulb-shaped fluorescent lamp with improved assembly efficiency is provided which prevents the impairment of product quality due to the change in color of a holder or the slipping off of a fluorescent tube from the holder decreased in resin strength. The fluorescent lamp includes a set of fluorescent tubes, filament coils disposed at both ends of each fluorescent tube, a starter circuit for activating the fluorescent tubes, a holder for retaining the fluorescent tubes, and a case containing the starter circuit. The holder includes holes for receiving the fluorescent tubes, and a recess defined in a central portion of the holder and extended in the opposite direction of the fluorescent tubes.

Abstract: A portable HMI light fixture with integral ballast for use in the motion picture and television industries. The inventive HMI fixture includes: a housing having a front portion and a rear portion; a socket secured in the front portion for removably receiving an HMI bulb; a ballast secured in the rear portion; and a thermal barrier separating the front and rear portions. Preferably the thermal barrier includes a reflective forward surface to direct radiated energy away from the rear portion, provides thermal insulation between the front portion and rear portion, and restricts airflow between the front and rear portions.

Abstract: Sputtering of the cathodes of a cold cathode fluorescent lamp is reduced or eliminated by removing electrodes altogether from the sealed envelope containing the gaseous medium. Electric field is then applied by means of electrically conductive members outside the tube. Alternatively, the current passing between electrodes can be spread over multiple sub-electrodes so that the current flow and sputtering experienced by each individual sub-electrode will be reduced. Different designs are employed to facilitate heat dissipation for high power and high intensity cold cathode fluorescent lamp applications. Thus, a container for the fluorescent lamp tube may be omitted altogether and adjacent rounds of a spiral-shaped lamp may be attached together by an adhesive material. Alternatively, the container may be open at one end to facilitate heat dissipation. Or the container for the lamp and the housing from the driver may each contain a hole to allow air circulation to carry away heat.

Abstract: The invention relates to a headlight or a light (1) for a vehicle, comprising a diffusing panel (2), a casing (5), light sources (3) mounted in the housing (5), reflectors (4) allocated to said light sources and a ventilation system comprising at least one air intake opening (10), an air outlet opening (15) and a blower (7). In order to avoid diminished headlight efficiency in a headlight with fogging plastic parts, the invention provides a blower (7) that is a suction blower suctioning the air from the causing (5). Air guiding devices (30, 31) are mounted inside the causing (5), in such a way that the blower (7) guides the air away from the diffusing panel (2) and directs it pass the hot air pockets towards the back part of the casing opposite to the diffusing panel (2).

Abstract: A light emitting diode (LED) includes a heat dissipation structure characterized by having a heat dissipating fluidic coolant filled in a hermetically sealed housing where at least one LED chip mounted on a metallic substrate is dwelled inside. The heat dissipation structure is configured with a metallic wall erected from the metallic substrate, which is used to hold a transparent cap of the sealed housing in correct position. Furthermore, the erected wall surrounds in proximity with the at least one LED chip, so that the joule heat generated therefrom can be quickly spread out, through the heat dissipating fluidic coolant, to the erected wall, and then diffused along the wall down to the metallic substrate which adjoins with a larger external heat sink for draining the heat, thus preventing the at least one LED from overheating.

Abstract: A linear illumination unit (30) has a line of unlensed LEDs (31) which emit light spreading out. The light is focused into a line by a Fresnel lens (33) which allows spread and mixing of light in the linear direction and limits spread in the ortliogonal direction. A Fresnel lens is particularly effective for this purpose. The housings 34 have slots 36 to help control light spread, and the housings are open-ended to allow spread of light in the linear direction beyond the confines of the, geometry of the units. Thus, units (30) may be interconnected to provide seamless linear light in a modular manner.

Abstract: The present invention features apparatus and a method for controlling luminance emitted from a back light module for a large, tiled, flat-panel, liquid crystal display (LCD). A mechanism is provided for achieving luminance stability of fluorescent lamps, high efficiency and long life through controlling and maintaining lamp tube wall temperatures. Air flow variations are controlled by a microprocessor and a network of electric fans. The lamps may also be dimmed selectively to obtain optimum lamp tube wall temperatures. There is also provided a mechanism for safely preventing overheating of the back light and display due to high ambient temperatures or component failures. Further, the controls can be used in conjunction with ambient light sensing or manual controls to maintain appropriate output light intensity.

Abstract: A less costly bulb-shaped fluorescent lamp with improved assembly efficiency is provided which prevents the impairment of product quality due to the change in color of a holder or the slipping off of a fluorescent tube from the holder decreased in resin strength. The fluorescent lamp includes a set of fluorescent tubes, filament coils disposed at both ends of each fluorescent tube, a starter circuit for activating the fluorescent tubes, a holder for retaining the fluorescent tubes, and a case containing the starter circuit. The holder includes holes for receiving the fluorescent tubes, and a recess defined in a central portion of the holder and extended in the opposite direction of the fluorescent tubes.

Abstract: A less costly bulb-shaped fluorescent lamp with improved assembly efficiency is provided which prevents the impairment of product quality due to the change in color of a holder or the slipping off of a fluorescent tube from the holder decreased in resin strength. The fluorescent lamp includes a set of fluorescent tubes, filament coils disposed at both ends of each fluorescent tube, a starter circuit for activating the fluorescent tubes, a holder for retaining the fluorescent tubes, and a case containing the starter circuit. The holder includes holes for receiving the fluorescent tubes, and a recess defined in a central portion of the holder and extended in the opposite direction of the fluorescent tubes.

Abstract: A heating lamp bracket for reaction chambers of evaporation coating machines uses paired and insulation means to mount a plurality of heating lamps to a chamber wall of a reaction chamber. The bracket includes a mounting frame that has an insulation outer surface and a mounting outer face opposing to the insulation outer surface. The insulation outer surface has at least one insulation member located thereon for fastening the mounting frame to the chamber wall. The mounting outer surface has at least two independent mounting spots for connecting respectively a connection end of the corresponding heating lamp. The independent mounting spots and non-encased type insulation members of the present invention can effectively resolve the problems of difficult replacement of the heating lamps and defective insulation that happens to the conventional heating lamp brackets.

Abstract: A vehicle with a compartment, a ventilation channel on the ceiling or in a side wall of the compartment running in the longitudinal or transverse direction of the vehicle and a lighting facility with lighting elements is such that the ventilation channel features a reflector box with a channel base, featuring openings that are at least in part transparent to light or light-admitting openings, fitted facing the interior of the passenger compartment, and the lighting elements of the lighting facility are situated inside the ventilation channel. As a result of lighting facility being integrated in the ventilation channel, the amount of space required is less and the ventilation channel with integral lighting can be in the form of a pre-assembled unit.

Abstract: A tasklight includes a first elongated cover portion defining a first elongated side edge. A second elongated cover portion is connected to the first cover portion, and defines therewith a housing having a lower side. The second elongated cover portion defines a second elongated side edge, and the second side edge is spaced-apart from the first side edge to define an open space between the first and second side edges that extends along a rear side of said housing. An elongated light source is positioned proximate the lower side of the housing. A reflective surface on the lower side of the housing has a shape configured to distribute light produced by the light source forwardly onto the worksurface. The reflective surface forms a passageway with the open space of the housing, and permits heat produced by the light source to escape through the open space of the housing by convection.

Abstract: A climate controlled, universally positionable enclosure having a clear glass projection window which may be used both indoors and outdoors to contain commercially available lighting fixtures which are not normally intended for outdoor use. The enclosure comprises a central light fixture/electronic component housing compartment, and means for directing and controlling the flow of air and moisture through the enclosure to prevent moisture from entering the housing compartment. The enclosure further comprises an electronic, multi-function climate control unit comprising heating and cooling devices which maintain the temperature and condensation inside the housing compartment within the light fixture's preferred operating range. The outside surface of the enclosure comprises a plurality of mounting channels to which brackets or bolts may be attached for universal mounting.

Abstract: The present invention features a system for uniformly distributing luminance and a high degree of collimation from a back light module for a flat-panel, liquid crystal display (LCD). A constant and uniform luminance output of the back light module is obtained through appropriate selection of lamps, geometry and optical components. An appropriate balance of lamps, lamp spacing, reflective light back plane, and diffuser and collimating optics are chosen to produce a high brightness back light module with very high intensity output over very large surfaces. Variations in intensity over the illuminated area are minimized using light recycling in conjunction with the collimating optics. Optimum geometries are determined for the purpose of maximizing light output at high efficiencies, while minimizing luminance gradients across the display. Finally, a precise collimator eliminates light beyond a defined angle, as required in a tiled, flat-panel LCD.

Abstract: A liquid crystal display is formed by a liquid crystal display panel for modulating light to form an image, and a back light unit including a lamp tube which is discharged by an electrode and is disposed behind said liquid crystal display panel, wherein said electrode is formed outside of said lamp tube. In this way, the liquid crystal display unit has a life span which can be increased without the need to replace the lamp tube or the back light unit.

Abstract: A halogen light fixture that houses at least one halogen lamp and is mountable to a support surface. The fixture includes an elongated housing having opposing ends and an interior space in which the halogen light source located. The fixture is mounted to a surface by mounts that secure the fixture to the support surface. The mounts are also opposingly located on the housing and are adapted to releasably engage a plurality of locations on a surface of the housing which causes the housing to tilt is a predetermined manner thereby allowing light to be directionally positioned.

Abstract: There is provided a spread illuminating apparatus with an enhanced efficiency of radiating heat generated by a spot-like light source. An enclosure (31) is formed at an end of a metal frame (27) so as to enclose a cover portion (14) which receives a spot-like light source (6). Dummy patterns (26) are provided on inner surfaces of the first, second and third face portions (18, 20, 22) of the cover portion (14). Since the enclosure (31) is made of metal, and therefore has a high heat conductivity, the enclosure (31) works as a sort of heat sink and easily conducts heat generated by the spot-like light source (6) outwardly for radiation. The enclosure (31) is integrally formed with the metal frame (27), so the number of components can be reduced in comparison with the case where the enclosure (31) and the metal flame (27) are separately formed. Thus, the structure is simplified, thereby improving the productivity.

Abstract: A refrigerator capable of being internally illuminated wherein the illumination is provided by an edge-lit panel of a substantially transparent material having two opposed surfaces of which at least one is within the refrigerator and on which a matrix of dots is applied so as to produce a light piping effect internally in to the refrigerator and wherein the light source of the edge-lit panel is located within the enclosed space of the refrigerator. One or more edge-lit panels may be used, which may be shelf of the refrigerator, or its side panels, back panel or roof panel. The edge-lit panel may be form from a transparent acrylic sheet, preferably containing an optical brightner. Protective transparent or translucent layer and a light diffuser may be applied to the surface carrying the matrix of dots.

Abstract: A light having a shielded fixture housing which comprises a tapered reflector a halogen lamp at the narrowed end, a tempered glass shield at the light-emitting end at a selected distance from the halogen bulb, and vents disposed about the fixture to provide an airflow therethrough. Embodiments according to the present invention pass the Underwriters Laboratory “Cheesecloth Test” and provide a light with significantly reduced fire hazard. Further improvements include specifically disposed temperature sensors to interrupt the power to the lamp if the light is accidentally or intentionally misused.

Abstract: A work light includes a generally cylindrical, at least partly transparent housing, a first light source which is an elongated, rodlike bulb disposed within the housing, a second light source which is a narrow beam bulb disposed within the housing at one end face thereof, a connection of the first light source to an alternating current electrical main and a hangar hook projecting externally from the housing. Circuitry is also provided for converting alternating current of a first frequency from the main into direct current, for converting the direct current into alternating current of a second frequency substantially higher than the first frequency, and for selectively operating the first light source and the second light source with the alternating current of a second frequency.

Abstract: A working lamp with wire-winding device, including a working lamp, a light shade, a hanging hook body, a wire box and an adjustment ball. The light shade is made of opaque material and fitted on the outer tube. The outer tube with the light shade is passed through the hanging hook body, whereby the working lamp can be conveniently hung or stand in use. The light shade serves to shade the strong light directly projected onto the eyes of a worker. A front, a middle and a rear sections of the working lamp are fitted with collisionproof blocks. A pressing rod and a guide rod are disposed at the wire releasing port of the wire box. The adjustment ball is positioned therebetween. The working lamp is shockproof and collisionproof. When not used, the excessive wire is tidily collected in the wire box and stopped by the adjustment ball with a certain length of wire reserved for the working lamp. The working lamp can be conveniently and mobilely used without occupying much room.

Abstract: A display apparatus provided with display cells wherein LEDs are arranged in dot-like array within a case and molded by a mold portion within the case, and a unit portion accommodating therein a cell substrate on which the display cells are mounted. Further, there are provided ventilation holes formed so as to penetrate the display cells at prescribed positions in a direction from rear to front, a fan which is provided in an upper part of a rear surface of the unit portion can send cooling air into the unit portion and an opening portion formed at a bottom surface of the unit portion, thereby making it possible to discharge the cooling air sent by the fan to outside from the ventilation holes through the opening portion. Further, a penthouse unit is provided in front of the display cells and the cooling air discharged from the ventilation holes is caused to be returned to a side of the LEDs.

Abstract: A halogen light fixture that houses at least one halogen lamp and is mountable to a support surface. The fixture includes an elongated housing having opposing ends and an interior space in which the halogen light source located. The fixture is mounted to a surface by mounts that secure the fixture to the support surface. The mounts are also opposingly located on the housing and are adapted to releasably engage a plurality of locations on a surface of the housing which causes the housing to tilt is a predetermined manner thereby allowing light to be directionally positioned.

Abstract: A lamp head incorporated with an anti-combustion arrangement, which includes an upwardly directed pan, a reflecting disc disposed internally of the pan, and a holding means for electrically receiving a halogen light source. A shielding lens is mounted on the planar lip for closely covering the halogen light source, wherein a high temperature burning zone is formed above the concave reflecting surface and around the halogen light source. The anti-combustion arrangement includes a protective shelter and a supporting means. The protective shelter, which can be made of transparent glass having a plurality of ventilation holes or a wire frame, has a size adapted to entirely cover the halogen light source. The supporting means is adapted for supporting the protective shelter at a predetermined height right above the halogen light source to cover the high temperature burning zone and to define an air ventilation clearance between the protective shelter and the halogen light source.

Abstract: A lighting fixture including a fluorescent lamp and a heat conductive member. One end of the heat conductive member contacts the fluorescent lamp and extends outside of the lighting fixture through a through hole. The cool spot of the fluorescent lamp can thus be efficiently cooled irrespective of the temperatures inside the main part of the lighting fixture.

Abstract: As regards a surface light source device for use with back-light or the like of a transmissive display panel, the efficiency of the cooling structure for the device will be improved and dust and dirt will be prevented from adhering.The surface light source device has a housing, a diffuser panel, a reflective plate, lamps, and an electric circuit portion. The housing has a window portion located ahead, a base portion located behind and side portions forming a flat space by connecting the two. The diffuser panel is mounted to the window portion of the housing. The reflective plate is supported by the side portions and partitions the flat space into a closed space ahead and an open space behind to be interposed therebetween. The lamps are housed in the closed space, and are positioned right above the reflective plate and right under the diffuser panel to radiate light toward the diffuser panel. The electric circuit portion is housed in the open space, and is electrically connected to the lamps to light them up.

Abstract: A lamp system with a very soft high-intensity output is provided over a large area by water cooling a long-arc lamp inside a diffuse reflector of polytetrafluorethylene (PTFE) and titanium dioxide (TiO.sub.2) white pigment. The water is kept clean and pure by a one micron particulate filter and an activated charcoal/ultraviolet irradiation system that circulates and de-ionizes and biologically sterilizes the coolant water at all times, even when the long-arc lamp is off.

Abstract: A lighting unit adapted to provide a sealed closure in an opening in a Clean-Room ceiling includes a housing which supports one or more light emitting means and has a perimeter structure for supporting the housing in place over the ceiling opening, and a substantially impermeable light diffuser sealingly mounted to the housing by a peripheral frame. A perimeter gasket is retained between and sealingly engages perimeter surfaces of the frame and the opening in the ceiling, and a reversibly adjustable retention device supports the frame and housing together to cause the gasket to sealingly engage the perimeter surface of the frame and the opening in the ceiling. The lighting unit is adapted to prevent or abate leakage of filtered, conditioned air from a room, e.g., a Clean-Room, and is adapted to prevent or abate infiltration of unfiltered, contaminated air into the room from the space above the ceiling.

Abstract: A polymerization apparatus includes a support plate for supporting a workpiece to be polymerized and a hood comprising a light source for guiding light to the workpiece such that the light impinges on at least two sides of the workpiece. The hood is liftable relative to the support plate so as to allow access to the workpiece when in a lifted position. A heat source for heating the workpiece is provided. A control device controls the function of the polymerization apparatus. A method for operating the polymerization apparatus includes the steps of heating the workpiece to a desired temperature after switching on the light source, maintaining the desired temperature for a desired polymerization cycle time period, and subsequently shutting down the light source and the heat source for a final polymerization cycle time period.

Abstract: A cooling device for a liquid crystal display monitor has a sealed container within which a light source is immersed in a thermally-conductive liquid coolant. The container is rigid and includes a transparent panel through which light travels from the light source to a display screen of the monitor. The liquid coolant transfers heat from the light source to the walls of the container, where it is transferred to the ambient environment. A flexible bladder is provided within the container, which is compressed by coolant volume increases resulting from heating of the coolant by the light source, thereby to protect the container from internal pressure stress. The bladder, filled with an easily compressible fluid, can be vented to the ambient environment, or can be fully contained within the container.

Abstract: A low pressure discharge lamp, particularly a compact fluorescent lamp, achieves substantially the same base-down lumen output as base-up lumen output. The lamp does so in a bent and bridged configuration, preferably in the shape of a plurality of vertically oriented bent tubes horizontally bridged together, where at least one of the tubes has at least one extended leg that defines a cold chamber within or adjacent the base.