Abstract: A fluorescent lighting fixture having at least one elongated fluorescent light tube and a reflector having edges extending generally the length of the light tube. The reflector having a pair of concave reflective surfaces for each light tube, wherein the concave surfaces are separated by an apex generally aligned over each light tube. A cover is removably attached to the reflector's edges.

Abstract: A lighting device has light stick(s) housed in a hand-held receptacle. The nternal surface areas of the hand-held receptacle are reflective. An opening is formed in the hand-held receptacle such that illumination generated by the light stick(s) is transmitted via the opening. The device can be made entirely of non-magnetic materials for use in clandestine underwater operations. The opening can be sealed with an optically transparent cover. Valves can be included to provide an air-filled or evacuated medium surrounding the light stick(s).

Abstract: A cylindrical luminaire is provided whose components align easily, for quicker assembly, despite the lack of intrinsic preferred relative orientation in circular components. Circular end plates affixed in a desired alignment to the end of an elongated reflector have notches for alignment of a part-cylindrical cover and slots or pivotal brackets to receive a baffle. The reflector, cover and baffle are accordingly assembled in proper alignment. The baffle can be an optical baffle to alter the aesthetic appearance of the luminaire.

Abstract: The luminaire has a housing (1) with a light emission window (2), and side reflectors (5) and lamellae (7), which may constitute a louver (8), in the housing (1). The light emission plane (2) is closed during transport by means of a shaped plastic sheet (10), which has a base plane (11) and opposed walls (12) connected thereto. The shaped plastic sheet (10) enters the housing with its walls (12) and thereby keeps its position fixed. The shaped sheet (10) can easily be removed when there is no longer a risk of the louver (8) becoming polluted.

Abstract: A fluorescent light fixture that includes a lamp assembly having a circuit board therein where various components for the lamp's operation are provided; lamp fixing members for connecting the lamp by inserting them into both ends of the lamp assembly; an upper cover covering the top surface of the lamp assembly; a connector connected to the lamp fixing member through an installation groove at one end of the lamp assembly; and a coupler coupling a multiple connectors. Therefore, the lamp has an improved structure of the lamp assembly in order to allow the lamp itself to be replaced, and improved connections between the lamp assemblies.

Abstract: A display case having lenses mounted in the case that distribute or direct light emitted by fluorescent tubes located near the ends of display shelves toward the shelves in order to provide a more uniform light distribution along the length of the shelves. The lenses facilitate the illumination of items placed on the shelves near the front and middle of the shelves. Light-directing portions of the lenses distribute or direct light emitted from the fluorescent tubes located inside the lenses toward the display case shelves. In another embodiment of the display case, the lenses are mounted horizontally inside the case, and used to direct light toward the interior of the case and toward the shelves inside the case. In still another embodiment of the display case, the lenses are mounted vertically inside the case and at the corners of the case.

Abstract: The present invention comprises a light fixture including a housing, a light source, means to secure a light source to the housing, a lens and a reflector. The reflector and lens are positioned so as to direct light from the light source onto an unlit side of the housing.The light fixture is normally suspended from the ceiling or attached to a wall. A greater portion of the light from the light source is reflected off the ceiling or wall, whereas a smaller portion of the light from the light source is reflected off the reflector and onto the housing. After the smaller portion is reflected off the housing, the smaller portion and the larger portion are traveling in generally the same direction, thereby reducing the contrast between the housing and the ceiling or wall.The present fixture housing is very shallow, preferably less than about 3" deep.

Abstract: A lighting system for preferentially illuminating the seating area of a mass-transit vehicle includes a light fixture with a lamp housing longitudinally disposed above the seating area. An electrically-energized light source is mounted at at least one end of the light fixture. At least one solid-core semi-rigid light pipe extends from and is optically coupled to the light source. The light pipe receives light from the light source, transmits the light along its length, and emits the light laterally into the passenger compartment. The light pipe runs parallel to and is suspended from the lamp housing between the lamp housing and the seating area so that the lamp housing can direct laterally emitted light from the pipe into the seating area.

Abstract: A light diffusion composite comprises a light diffusion material disposed on a prism sheet, wherein the light diffusion material is obtained by laminating a light diffusion layer including 100 parts by weight of acrylic resin and 100-220 parts by weight of spherical particles of polymethyl methacrylate on a transparent support. The light diffusion composite has better luminance in the front direction than the conventional light diffusion sheet and also has good light diffusibility.

Abstract: A fluorescent tube lighting fixture includes a tubular main frame member which also acts as a conduit for routing wires between the ballast and the lamp holders. A frame extension the form of a Tee is threaded onto one end of the main frame member; and another portion of the Tee receives an adapter which secures the end cap to the fixture. Wire is routed through the adapter, and through the Tee into the main tubular frame member, all of which portions cooperate to act as a protective conduit for the power cord, with a single opening in the end cap. By removing a single compression nut, the end cap and lamp guard can be moved to gain access to the interior of the lamp for maintenance.

Abstract: A light guide structure has a base portion which is slidingly received and retained by a supporting member. The longitudinal edges of a light guide are secured within longitudinal slots formed in the base member. The supporting member is mounted upon a surface. The support structure allows for expansion and contraction of the light guide with temperature variations.

Abstract: A wide-dispersion indirect lamp assembly with an elongated lamp housing (14), symmetric to a central, vertical plane (26), and which prevents at least most of the light from escaping downward. The assembly includes two fluorescent tubes (28); and a reflector (30) above each of the tubes. Each reflector, seen in vertical cross section, slants upward and away from a point (32) on the upper half of the circumference of the fluorescent tube. The point (32) is preferably shifted away from the apex line (34) of the circumference of the fluorescent tube toward the central plane (26) of the lamp housing (14).

Abstract: A lamp combination includes a body member, a cover secured on top of the body member, two lamp shades secured to the side portions of the body member, one or more lamps secured to the bottom of the body member, and a plate secured to the lower portions of the lamp shades and the caps. The side portions of the body member each includes an upper and a lower engaging members. The lamp shades each includes an upper and a lower engaging members for engaging with the engaging members of the body member and for allowing the lamp shades to be easily secured to the body member. A pair of supports may be secured to the lower portions of the caps and of the lamp shades for supporting the lamp combination.

Abstract: A light fixture having a uplight shade with an elongate downlight aperture includes a removable baffle configured to cover the elongate downlight aperture to control the amount of downwardly directed light. The light fixture includes an elongate ballast/electronic housing having opposing ends, and elongate side panel having opposing ends, and a pair of end pieces supportingly engaging the opposing ends of the ballast/electronic housing and the opposing ends of the side panels. The housing and side panel are laterally spaced apart, and together with the end pieces define an elongate downlight aperture. The side panel is positioned and orientated with respect to a light source mounted between the end pieces to act as a shade which reflects light upwardly from the light fixture.

Abstract: A lighting device for mounting on a vehicles exterior door or other metal parts by means of magnetic strip. The lighting device includes a plastic coated light strip that is attached to magnets. The device includes a male power connector on one end for plugging to the vehicle's lighter socket and a female connector for multiple lighting devices to be mounted on the vehicle. Power cord holders installed along the dashboard will prevent the power cord from interfering with the vehicle's operation. The lighting device can be molded into any shape, design or words or can be left as straight strips.

Abstract: A luminaire for luminescent light sources includes: (i) an extruded tubular `U`-shaped housing having a longitudinal external male dovetail shoulder on one side, a longitudinal external female dovetail channel on its other side, a longitudinal external female dovetail channel on the bottom, two terminating longitudinal `C`-channel tracks one along the edge of each side leg, and two diametrically opposing interior longitudinal `C`-channels; (ii) a mounting plate secured by screws received within the internal `C`-channels at each end of the housing; (iii) electrical power mounting sockets secured to the end plates; (iv) luminescent light tubes mounted in the sockets extending longitudinally within the housing; (v) a reflector surface curling around the luminescent light tubes within the housing; (vi) retractable endcaps resiliently secured by spring biased screws to each endplate closing each end of the housing; and a longitudinal curved transparent lens element having beaded side edges shaped for capture by an

Abstract: A light fixture with extruded wire way cover mount for quick engagement and disengagement of the wire way cover and fixture housing. The fixture housing is extruded to form a recessed channel with a pair of elongated, opposing retainer lips extending over the opposite sides of the channel to define respective retainer slots therebetween. A flexible wire way cover is provided and includes a pair of flanges for receipt in the respective retainer slots. A diffuser is also provided and is likewise formed with mounting flanges for receipt in respective diffuser retainer slots formed in the lateral side walls of the housing in overlying relation with the wire way cover.

Abstract: Improved structures for housing assemblies for illuminated glass tubing are provided with this invention which comprises a housing assembly with a base section having wall portions forming an elongated channel having an open side; a central section having wall portions forming an elongated channel having an open side; and a light-transmitting cover section having wall portions forming an elongated channel having an open side; the central section secured to the cover section to form a light unit, the light unit being shorter than the base section; an elongated support plate for glass tubing, the wall portions of the central section including means adjacent the open side of the central section channel for supportably receiving the support plate in the channel; and the wall portions of the base section and the central section including means for securing the central section to the base section in snap-fit relation to close said open sides of said channels; whereby the longitudinal position of the light unit on t

Abstract: A lighting unit that reduces the effect of back lighting having a housing assembly containing an elongated bulb having a longitudinal axis which is horizontally aligned; a transparent and central section, the transparent portion containing the mounted bulb and having spaced apart tabs mounted on an inside surface thereof; and a sun shield attached to the housing assembly. The sun shield, which is positioned between a source of bright light independent of the housing assembly and the housing assembly, having a shield portion and a mounting portion, the mounting portion comprising a bracket portion perpendicular to the shield having a fastener receiving hole through which a fastener is passed to attach the sun shield to the housing assembly.

Abstract: A portable work light having a fluorescent lamp (fluorescent light bulb). The fluorescent lamp has a base which supports a translucent envelope that contains a gas for emitting light when energized by an electric input. Activation circuitry is contained within a base housing, as is a portion of the translucent envelope. A flexible, electrically and mechanically insulating material is injected into the base housing to stabilize and prevent movement of the actuation circuitry with respect to the base housing and translucent envelope, thereby preventing damage to the components of the fluorescent lamp. The portable work light has a transparent cover which supports a lamp. The cover has electrical connectors at one end for engaging the lamp. The cover has a bulb support mechanism which engages a lip on the base of a lamp to maintain the electrical contact of the lamp engaged with the electrical connectors and to inhibit movement of the base of the lamp relative to the cover.

Abstract: An apparatus for providing lighting for store fronts or advertising signs without areas of dimming comprising a channel member, at least one transition section which overlaps the ends of two adjacent elongated tube lights, two end sections, and lamp receptacles disposed in the transition sections and end sections. The transition sections can alternatively interconnect channel light trays to form a continuous channel member.

Abstract: Apparatus for lighting a lower tread of a stairway having the lower tread relatively parallel to and spaced a gap from an upper tread. The lighting apparatus includes illuminating means. A housing is positioned underneath the upper tread. The housing includes an open front face generally perpendicular to and facing a front portion of the lower tread. The housing defines an interior region adapted to contain the illuminating means and includes a wall having an opening sized to receive therethrough the illuminating means. The lighting apparatus includes a louver angularly overhanging the open front face of the housing so that light diffused from the illuminating means is directed downwardly to illuminate the lower tread. The louver includes a tab removably insertable into a pocket partially defined by a surface of the upper tread and a generally plane wall of the housing. The tab secures the louver in the overhanging position after the tab is installed in the pocket.

Abstract: A receptacle structure for a fluorescent lamp, wherein a light refracting plate is arched upwardly and is provided beneath two wing plates of an elongated base of the receptacle structure, the inner bottom face of the refracting plate is in an undulated form and is arched in a contrary direction to that of an arched and undulated lamp shade, thus an elliptical hermetic space is provided for hidding a lamp pipe (which is secured by two end fixing-seats provided on the two ends of the elongated base) between the lamp shade (which is engaged by two end fixing-caps for preventing it from dropping) and the refracting plate, thereby light projecting through the refracting plate and the lamp shade can be more uniform, the lamp pipe will no more be exposed to be covered with dust, appearance of the whole lamp can be more beautiful.

Abstract: A longitudinally curved, modular housing assembly for the protective support of illuminated glass tubing, such as neon lights, characterized by interconnected base, central, and cover sections which are all curved and have equal radii of curvature. The configuration of the housing assembly is such that it permits combination thereof with other, similar, housing assemblies to provide continuous lighting systems having various shapes and outlines. The housing assembly preferably contains a transformer and wiring for connection to a power source.

Abstract: The signaling system contains a low-pressure rare gas discharge lamp having a tubular lamp vessel provided with electrodes. The lamp is accommodated in a housing having a light-emission window and light-reflecting means. The housing has a light-reflecting inner surface reflect light and an elongate converging lens, closing the light-emission window. The housing may have a niche in which the lamp is partially recessed countersunk and in which the lamp may be secured by an adhesive.

Abstract: A fluorescent light fixture includes an elongated housing for mounting on a wall or a ceiling. A fixed socket is attached to one end of the housing by a fixed connecting arm. A breakaway socket is movably attached to another end of the housing by a breakaway connecting arm. A tubular lens is secured between the sockets, and a fluorescent tube is centered within the tubular lens by a pair of centering rings. The fluorescent tube is completely surrounded by the tubular lens, which diffuses the light in a 360 degree circle. Electrical connectors arranged within the sockets are mated with corresponding terminals on the ends of the fluorescent tube. The breakaway socket is movable away from the housing for releasing the tubular lens and the fluorescent tube, so that the fluorescent tube may be removed and replaced in a limited space. The breakaway socket is movable against the housing for securing the tubular lens and fluorescent tube.

Abstract: A flash emitting apparatus has a straight-tube type flash discharge tube and a reflector for accommodating the flash discharge tube which condenses and reflects an emission of the flash discharge tube to direct light forward, the apparatus including: a pair of electrodes disposed on opposing end portions of said flash discharge tube; discharge tube supports for supporting the flash discharge tube on said reflector; a frame member having said flash discharge tube and said reflector disposed therein; and restriction members formed internally of said frame member for restricting movement of said flash discharge tube in a longitudinal direction coaxial with a line connecting the pair of electrodes so as to retain the flash discharge tube within a certain range with respect to the reflector.

Abstract: A lighting apparatus comprising an elongated tubular housing for closely receiving therein a charged gas lighting source, such as, a neon lighting assembly. A power source is connected to the lighting source by electric power cords. The lighting source includes at least one elongated glass tube containing a neon gas mixture having both ends of the tube bent back along itself such that the ends are secured within the housing. An adjustable length extension lighting assembly allows for any overall length of continuous lineal lighting. The housing can be comprised of a base and cover member slidingly received within the base, thereby forming a central opening therebetween for receiving therein the lighting source, wherein the side walls of the base and cover member substantially overlap for preventing electricity from passing therethrough. A bracket is used to hold the lighting apparatus in place, and can be used to facilitate the mounting of the apparatus.

Abstract: A lamp head incorporated with an anti-combustion arrangement, which includes an upwardly directed pan and a reflector member disposed internally of the pan. The reflector member has a planar lip for supporting a reflecting disc and a holding means for electrically receiving a halogen light source. The reflecting disc has an inner concave reflecting surface positioned below the 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 transparent protective shelter and a supporting means.

Abstract: An elongated light fixture is disclosed which includes an elongated hollow transparent tube and a lens panel slidably mounted in the housing to disperse light and/or provide direct light from the fixture. An elongated reflector is mounted in the housing above the lens panel and has one or more light bulbs lighted thereon. The tube has open ends which are closed by caps secured thereto.

Abstract: A system for providing indirect lighting. The system has a U-shaped support that has an inner side with a mounting feature for readily mounting the U-shaped bracket to a surface such as a wall on hanging brackets. The bottom of the U-shaped support has a mounting feature for the mounting of a secondary bracket to support ancillary equipment such as drapery hardware, direct lighting systems and the like. A light source is mounted in the cavity of the U-shaped support to provide indirect lighting. The inner side and outer side of the U-shaped support are arranged to support a lens and a louver.

Abstract: A lamp for elongate lighting means in which the respective lighting means is arranged in the inner space of a flat, trough-like housing and an anti-dazzle unit is associated with the lighting means which consists of several mutually spaced apart grid surfaces of light permeable material which are likewise largely located in the inner space of the trough-like housing.

Abstract: An intensity equalizing element for placement between a number of individual fluorescent tubes in a light panel and the panel image display surface. The element includes a like number of curved surfaces in axial alignment with the individual tubes to reduce variation in observed intensity due to tube spacing. Each curved surface is provided with a non-uniform opaque dot pattern thereon to reduce variation in the intensity of light at the panel display surface and enhance uniformity of light intensity throughout an overlying image display.

Abstract: A flashing device having an optical panel 3 to converge light, emitted from a flashing discharge tube 1, and reflected from a reflector 2, the converged light being directed by the optical panel to a photographic object. The optical panel is placed in front of the flashing discharge tube 1 and reflector 2 so as to control the light distribution in a transverse direction perpendicular to the axis of the flashing discharge tube 1. Moreover, the optical panel has different optical characteristics at its central portion and circumferential portion in the transverse direction perpendicular to the axis of the flashing discharge tube 1.

Abstract: A backlighting device for a backlit graphic display used in an instrument panel of an automobile. The backlighting system involves the use of a fluorescent light source and a lightpipe which is tailored for use with the fluorescent light source so as to promote uniform transmission of light to the display, and to achieve a suitable level of light intensity when backlit by a minimal number of light sources. The backlighting system further involves forming the lightpipe from a material which readily transmits light, and preferably is sensitive to ultraviolet radiation, so as to enhance the lighting capability of the light source while also producing an aesthetically pleasing appearance for the display.

Abstract: A ceiling structure for retaining air filter panels having a grid of interconnected rails. Each rail has a recessed channel for containing a light fixture so that the light fixture does not hang below the ceiling surface. The structure may also include hanger hooks attachable to the rails for suspending fixtures, wall panels, and pivoting wall headers to permit angled arrangements of wall panels. The light fixture attached within the channel is an extruded panel that snaps into the channel and which includes standard light tube connectors.

Abstract: A lighting apparatus comprises a light source (12) and light reflecting surfaces from the source to the surrounding environment. One light reflecting surface (10) distributes light at least partly over a second light reflecting surface (11). The first surface (10) reflects the light rays striking thereon substantially towards regions of the second surface (11) receiving the rays directly from the source with an angle of incidence not greater than 20.degree., preferentially not greater than 12.degree. and most preferentially of 10.degree.. Advantageously, the second surface (11) is of generally semicircular plan with a substantially diametrical edge and exhibits a radial cavity (29) in the form of a triangular pyramid the base of which is directed towards the light source.

Abstract: A neon lamp assembly includes a housing having a cavity with an aperture for emission of light, a neon lamp mounted within the cavity in the housing for emission of light through the aperture and a lens covering the aperture in the housing. Connectors are secured to opposite ends of the neon lamp. Each connector includes a resilient boot that is positioned in a recess in the housing. The resilient boot locates the lamp in the housing and cushions the lamp against shock and vibration. The neon lamp assembly further includes a light-transmissive, conductive mesh covering the aperture in the housing for substantially blocking the emission of RF energy from the housing, and an electrical conductor for coupling the conductive mesh to a reference potential, such as ground. The neon lamp is typically used as a stop light in a vehicle.

Abstract: A pivoted head lighting device for illuminating exhibit and display panels, display objects and work surfaces with substantially uniform spot-free spread of light. The device includes an elongated metal shell structure having an upper corner transition section and a lower front opening bearing a glass lens, a high intensity electric lamp tube positioned centrally within the shell structure, an elongated concave metallic light reflector within the shell structure between the lamp tube and upper corner transition section thereof, and an elongated support arm pivotally interconnected to the shell structure. The upper transition section includes integral internally-projecting tube gripping lip sections of semicircular configuration for holding a terminal cross-tubular swivel member for adjustable rotation therein. The internal cross-tubular swivel member is interconnected to an end of the support arm.

Abstract: This panel assembly (30) for a merchandiser (10) includes frame assembly (34) includes attached to the merchandiser and wall (22) and an aracuate translucent sheet (34). The frame assembly (34) includes opposed side retaining rails (36) receiving the flexed arcuate sheet (34) in retained relation, a lower base member (46) having an arcuate front wall (52), and an upper cap member (56) having an arcuate front wall (62). The panel assembly (30) includes a back-lighting assembly (80) for illuminating the translucent sheet (34).

Abstract: A reflector used in a strobe device has a rounded reflecting portion, a first pair of planar reflecting portions and a second pair of planar reflecting portions. A shape of the rounded reflecting portion is defined by a portion of a cylinder and by the rounded reflecting portion contacting a portion of an outer surface of a light source used in the strobe device. The first pair of planar reflecting portions is connected to the rounded reflecting portion, such that the first pair of planar reflecting portions is tangential to the outer surface of the light source. The second pair of planar reflecting portions is connected at a distal end of the first pair of planar reflecting portions. An opening of the reflector is defined between the distal ends of the second reflecting portions.

Abstract: The lighting apparatus including a cathode tube, a photoconductive member to which light from the cathode tube is conducted through an edge surface thereof, and reflecting means for reflecting the light from the cathode tube toward the edge surface of the photoconductive member. The reflecting means has on the inner surface thereof reflecting mirrors which are made of silver and arranged at uniform intervals. With this structure, even when the reflecting means and the cathode tube are disposed close to each other, it is possible to prevent a leakage current from flowing from the cathode tube to the reflecting mirrors because the reflecting surfaces are separated from each other. This stops the leakage current from lowering a driving current of the cathode tube, and it is therefore possible to maintain high light emitting efficiency in the cathode tube. Moreover, since silver is used for the reflecting surfaces, reflecting efficiency of the reflecting means is maintained.

Abstract: A device for protecting leading surfaces of a lens of an emergency vehicle warning light. The device has a replaceable, transparent shield adapted to be conformed to the profile of the leading surface. The shield is attached to the lens by upper and lower grooves formed in the lens. Notches are provided to assist with removal of the shield for replacement. Channels are provided to drain moisture from the lower groove. A first lens modified protector provides tracks, secured to the lens, for securing and conforming the shield to the lens. A second modified protector provides a thin, removable film for attachment to the lens by a pressure sensitive adhesive. A third modified protector provides a heating element attached to the shield for thawing, and for operably defrosting and preventing accumulation of frozen water products from and on the shield.

Abstract: A new and improved neon illumination apparatus and method for illuminating large and small areas, such as the exterior and interior of a motor vehicle and the like, with bright glowing light. The apparatus includes an elongated transparent tube holder member for receiving an elongated neon bulb and a high voltage power distribution system. The high voltage power distribution system is encapsulated with an end cap adapted to be secured to the tube holder member for insulating and sealing the neon bulb and distribution system from the exterior environment and for forming a unitary illuminating device. The end cap includes an electrical input arrangement adapted to be coupled to a conventional low voltage, direct current source, such as the low voltage electrical system of a vehicle.

Abstract: A conversion kit assembly for use with a light bulb such as a compact fluorescent bulb provides the light bulb with the appearance of a different type of bulb as well as the ability to adjust the illumination by varying the position of the conversion kit assembly on the light bulb. The conversion kit assembly includes a collar having a hollow interior for receiving the light bulb and resilient prongs for engaging the light bulb to maintain the collar in a desired mounted position on the light bulb. The resilient prongs can comprise wire loops formed at the opposite ends of a length of wire mounted within the collar, or leaf springs mounted within the hollow interior of the collar. A threaded base of the collar releasably receives the threaded base of a glass envelope having a hollow interior for receiving a portion of the light bulb mounted within the collar.

Abstract: A housing assembly for protective support of illuminated glass tubing of the neon tube type comprising a base section, a central section, and a transparent cover section, each having wall portions forming an open sided elongated channel, a support plate mounted in the central section, elongated glass tubing disposed in the cover section and supportably mounted on the support plate in fastening clips, the base, central, and cover sections being formed of resiliently deformable material, such as plastic, and being assembled in snap-fit relation with each other to enclose the open sides of the channels. End caps enclose ends of the cover and central channels and protect the glass tubing and an electrical transformer and wiring disposed therein against weather.

Abstract: A protective assembly for a standard fluorescent lamp includes a protective tube that is preformed from a semi-rigid, non-frangible polymeric transparent or translucent material that is stabilized against ultraviolet radiation and is received over the glass tube with its inner surface substantially uniformly spaced apart from the outer surface of the glass tube to form an air space for insulation of the lamp. The desired uniform spacing between the lamp tube and the protective tube is established by a spacer ring located adjacent each end of the glass tube and adhesively bonded to the glass tube. Each spacer ring is formed of band of a semi-rigid polymeric foam strip material that is resistant to heat and ultraviolet radiation. The foam spacer ring forms a snug fit with an inner surface of the protective tube but allows the protective tube to be slid lengthwise onto the lamp.

Abstract: A brilliance control apparatus of light source in an optical scanner particularly contemplating for a transparency scanner includes a generally rectangular lamp stand and a lamp shade which has an asymmetrical curvature surface and has a black reflector with a curved surface disposed therein. And is capable of performing filtering and darkening processes at the same time.

Abstract: An interior or courtesy light for a motor vehicle which provides general diffused light for the passenger compartment and which also provides directed concentrated light in selected areas of the passenger compartment. The lamp includes a fluorescent bulb defining a linear series of light sources and a plurality of louvers positioned beneath the bulb and selectively positioned to deliver concentrated light to selected areas of the passenger compartment. In a first embodiment, the louvers are fixed and are arranged in a first series directing light to the front passenger area and a second series directing light to the driver's area. In a second embodiment, the louvers are movable and may be selectively positioned by an occupant to provide directed concentrated light to a selected area of the passenger compartment.

Abstract: A fluorescent backlit display or the like embodying a generally planar light transmissive display panel, a back wall having a generally planar diffusely reflective surface facing, spaced from and parallel with the display panel an array of spaced parallel cylindrical lamps between and parallel with the display panel and back wall, improved light leveling means including masking means on the side of each lamp facing the display panel, and a light spreader associated with each lamp at the diffusely reflective back wall surface and effective to reflect laterally outwardly onto the back wall surface light flux directed thereat from the side of said lamps facing said back wall, whereupon the thus reflected light flux is directed forwardly toward areas of said display panel in front of the respective lamps.