Abstract: An ophthalmic cannula assembly may include a cannula having an outer cannula surface and an inner cylindrical bore. A hub adjoining a proximal end of the cannula may define a maximum outer hub diameter that is greater than an outer diameter of the cannula. An optical fiber may be attached to the outer cannula surface for at least a portion of a length of the cannula. A cover material may be in contact with the outer cannula surface, and may cover at least a portion of the optical fiber. A light diffuser may be disposed at a distal tip of the optical fiber.

Abstract: The invention relates to an eye surgical lighting unit for lighting internal ocular tissue. The lighting unit comprises a fiber having a proximal end and a distal end, for guiding a light beam to the distal end. The lighting unit also comprises a manual unit, provided with a cannula and a handle having an internal passage positioned in line with the cannula. The fiber is adjustable between an intraocular operational position in which the fiber extends through the internal passage of the handle and through the cannula, and a chandelier operational position in which the fiber is uncoupled from the manual unit.

Abstract: A lamp comprises an enclosure having a reflective surface and an exit surface through which light is emitted from the enclosure and a base. A plurality of LEDs are located in the enclosure and are operable to emit light when energized through an electrical path from the base. The reflective surface comprises a first reflective layer applied to the enclosure and a second reflective layer over the first reflective layer. The first reflective layer is a metalized surface. The second layer comprises a transparent carrier such as silicone mixed with a reflective media such as TiO2, Barium Sulfate and/or ZnO or silver.

Abstract: A thermally conducting reflector is employed to serve as dual-use thermal conductor and light reflector for collimating a multi-chip LED array. The thermally conducting reflector consists of a heat sink, item, a reflector made of a thermally conducting and optically reflective material such as aluminum, item, a transparent cover, item, and lamp base that is electrically isolating, item and a common lighting electrical connector, item, illustrated as an Edison type screw base. The novelty in the present invention is how the items are structured to work together to dissipate heat.

Abstract: There are provided a light emitting diode substrate module and a method of manufacturing the same, and a backlight unit and a method of manufacturing the same. A light emitting diode substrate module according to an aspect of the invention includes: a metal plate; an insulating film having a predetermined thickness and provided on an entire outer surface of the metal plate; a reflective film having a predetermined thickness and provided on an entire outer surface of the insulating film; and at least one light emitting diode package electrically connected to a driving circuit provided on the reflective film by pattern printing. Unnecessary material costs can be avoided by forming a predetermined driving circuit by pattern printing, and optical characteristics can be improved by stably maintaining reflection characteristics.

Abstract: An LED luminaire for normal or emergency lighting has a lamp section comprising a least one LED lamp, the LED lamp having an LED chip and a reflector section. The reflector section is formed of silver and is positioned to reflect light from the LED chip. A power section is coupled to supply power to the lamp section. A detector section has a silver-plated detector and is functional to detect sulfuration of the reflector section as a resistance value change. The power section is operable to adjust the power supplied to the lamp section upon detecting an increase in the resistance value at the silver-plated detector of the detector section.

Abstract: An LED lamp including a lamp housing, an LED light source, a heat sink and a control circuit. The lamp housing has an accommodating space, a plurality of air inlets and a plurality of air outlets, wherein the accommodating space joins an environment through the air inlets and the air outlets. The LED light source and the heat sink are disposed in the accommodating space and the heat sink is connected with the LED light source. The heat sink includes a pedestal and a plurality of heat dissipation fins connected to the pedestal. An air convection channel is located between any two adjacent heat dissipation fins. Air from the environment flows into the accommodating space, passes through the air convection channel, and leaves the accommodating space via the air outlets sequentially. The control circuit is disposed in the accommodating space and connected to the LED light source.

Abstract: A weather resistant road light comprises a top cover and a ballast mounting surface disposed on a top surface of the top cover. The ballast mounting surface defines a ballast compartment lower surface. At least one wire aperture seat is disposed on the ballast mounting surface. A ballast is mounted to the at least one wire aperture seat. Wires from the ballast pass through the wire aperture seat. A ballast compartment cover covers the ballast compartment. The ballast compartment cover fits over the top of the ballast mounting surface disposed on the top cover. At least one securing member secures the ballast to the ballast mounting surface. A bottom tray mates with the top cover, and the bottom tray has a lens opening. A reflector assembly has a socket for receiving a bulb. The reflector assembly is mounted on the bottom tray.

Abstract: A shatter glass guard and venting effect design for a fixture of a luminaire adapted to provide adequate shatter guard protection for the purpose of preventing glass from a broken lamp from being released from the fixture. An annular ring of perforated material is attached to an open end of a reflector. A lens is attached to the outside surface of the annular ring and is dimensioned to expose a portion of the perforated material to allow for venting of heat from within the fixture. The lens and lamp can be installed or removed from the fixture after installation without access from the top of the light housing. The lens when mounted becomes integral with the reflector and moves with the reflector should the reflector need to be adjusted or tilted for aiming. The lens and annular ring combination provides adequate shatter guard protection and venting of the fixture.

Abstract: An embodiment of the present invention relates to the protection of electronic displays and includes a guard configured to protect a lighting means while providing an expanded field of view. The guard may include a first element and a second element each having at least a top surface and a wall. The lighting means may be positionable substantially between the first element and the second element such that the top surface of the lighting means is below the first top surface and the second top surface to protect the lighting means from incidental impact. A gap between the first and second elements provides a field of view. The field of view may include a substantially orthogonal line of sight to one side surface of the lighting means.

Abstract: A method for forming a reflector includes depositing a decoupling material on an ultraviolet light and infra-red light absorption layer that is supported by a substrate which is spun.

Abstract: To prevent scattering of broken pieces of a reflecting mirror even if a high pressure discharge lamp with a reflector bursts. A light source device according to the present invention is a light source device 10 that has an arc tube 1 and a reflector 2, and a cover glass 4 is externally fitted and fixed to the rear of the reflector 2 at opposite ends thereof with a gap S therebetween. With such a configuration, even if the arc tube bursts to cause a crack in the reflector, the cover glass prevents scattering of the broken pieces of the reflector.

Abstract: A substrate structure for light emitting diodes (LED) chips operation includes a heat spreader, chip holders arranged in the center of the heat spreader, transfer pads located near the chip holders for wire bonding interconnection between the LED chips, and a circuit layer having a gap dividing the circuit layer diagonally. The circuit layer includes a first insulation layer on top of the heat spreader, a metal trace layer on top of the first insulation layer, and a second insulation layer on top of the metal trace layer, wherein portions of the second insulation layer are removed at the opposite corners along the gap, and around the opening, and a conductive plating is plated on the second insulation layer around the opening. Furthermore, a spotlight cap is provided to focus the light emitted from the LED. A LED package includes the substrate structure and the spotlight cap is also provided.

Abstract: The present invention involves a method and apparatus of protecting a lighting element within a parabolic reflective housing. The apparatus involves a lighting element-protective member for use in within a light reflector housing cavity wherein lighting element protrudes into the cavity. A resilient body is provided and is selectively deformable to be frictionally engaged with the inner surface of the reflector housing. An aperture is formed in the resilient body for receiving the lighting element within said aperture. Thus the lighting element is protected within a foam sleeve which abuts the sides of the parabolic reflector for support. Also, method of protecting the lighting element is disclosed comprising the steps of: providing a selectively deformable resilient body; providing an aperture within the resilient body; and inserting the resilient body within the reflector such that the aperture receives and covers the lighting element.

Abstract: A utility lamp (1) comprises a curved reflector (2) having a spherically curved surface. An array of LEDs (3) is arranged in an electrical circuit on a thin substrate mounted via thermally conductive epoxy on a thermally-conductive base (4), which in turn forms an integral part of the reflector (2). The LEDs are mounted for efficient heat transfer by conduction to the reflector (2). The reflector (2) thus operates as both a light reflector and as a radiative heat sink. The heat radiating properties of the reflector are enhanced by integral fins (7) extending in the radial direction around the periphery of the reflector (2). The reflector (2) is of integral aluminium construction.

Abstract: A replaceable lamp assembly includes a lamp coupled to a lamp header; and a cap coupled to the lamp header that at least partially covers the lamp. The cap minimizes contamination of the lamp and is configured to allow selective exposure of the lamp.

Abstract: A protective overhead light fixture kit is provided for use on an overhead light fixture having an electrical housing and a dome-shaped reflector. The kit includes a grid member, a band, two or more extension springs and a lanyard member. The grid member is situated generally across the open end of the reflector. The band member is placed generally around the outer perimeter of the light fixture reflector. The extension springs include two connection means where one of the connection means is capable of attachment to and outer portion of the grid member and the other of the connection means is capable of attachment to the band. The lanyard member also includes two ends where one end is capable of attachment to the outer portion of the grid member and the other end is capable of attachment to the band. This kit when installed can convert an unprotected overhead light fixture to a protected overhead light fixture.

Abstract: The reflector for a light of higher power has a base body made of glass or glass ceramic and a protective jacket provided on the outer surface of the base body. The base body is formed with a receptacle for a light source, especially a gas discharge lamp, and an interior mirror surface for reflecting light. The protective jacket includes a mat or is a mat-shaped body, i.e. a woven or knit textile fabric of natural or synthetic material. Preferably it is a glass-fiber-reinforced mat. In addition to preventing splinters from flying around, the protective jacket advantageously also provides temperature equalization throughout the reflector. It also helps to prevent scattered light. The protective mat or jacket may be attached to the base body with an adhesive, such as a water glass.

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: A grill for protecting light fixtures in a dome-type sports arena from being hit by balls. The grill comprises cross members mountable on a light fixture, upright members connected to the cross members, and a plurality of bows which surround the light on both ends, front, top, and bottom.

Abstract: A protective overhead light fixture kit is provided for use on an overhead light fixture having an electrical housing and a dome-shaped reflector. The kit includes a grid member, a band, two or more extension springs and a lanyard member. The grid member is situated generally across the open end of the reflector. The band member is placed generally around the outer perimeter of the light fixture reflector. The extension springs include two connection means where one of the connection means is capable of attachment to and outer portion of the grid member and the other of the connection means is capable of attachment to the band. The lanyard member also includes two ends where one end is capable of attachment to the outer portion of the grid member and the other end is capable of attachment to the band. This kit when installed can convert an unprotected overhead light fixture to a protected overhead light fixture.

Abstract: A motor-vehicle light comprises a hollow body with a transparent element facing a main reflective structure which reflects the light rays coming from a source arranged at one side of the main reflective structure towards the transparent element, an auxiliary reflective element being associated with the light source. The main reflective structure has a shell-like configuration, which is visible from the outside since the transparent element has no optical elements. The shell-like configuration comprises a plurality of optically active surface sectors alternated to connecting walls which are substantially radial with respect to the source. The optically active sectors are geometrically generated by translation or rotation of a family of generating curves each having undulations with a pitch substantially lower than the pitch of the distribution of the optically active surface sectors.

Abstract: A protective grill for use of the working light, wherein at least one end of an aligning rod is installed with a U-shaped hook portion, and the free end of such U-shaped hook portion is located on the front side; thus the present invention, with the design of the U-shaped hook portion, enables manufacturers to produce protective grills without considering the degree of precision, also the protective grills of the present invention can be installed easily and hard to be loosened from the working lights the protective grills attach to.

Abstract: A motor-vehicle headlight uses a gas-discharge lamp with a power-supply circuit, the lamp being mounted in a mirror. A screening device reduces interfering electromagnetic emissions. The power-supply circuit is in a housing to the rear of the lamp, and the screening device has a conducting material entirely surrounding the housing and able to provide electrical continuity between a screening braid of a power-supply cable arriving at the said housing and screening arrangements which are associated with the mirror. The invention also proposes a gas-discharge lamp incorporating such screening means.

Abstract: An angled illumination tube is capable of reducing a dark spot behind the reflector, while illuminating the tube uniformly over the length of the tube. The tube is used in combination with a light source providing a light beam and comprises an angled transparent tubular conduit having a first end and a second end on opposite longitudinal ends of the conduit. The conduit has a bend between the first and second longitudinal ends, and is used with the first end receiving the light beam from the light source in order to guide the light beam along the length of the conduit. A reflector is disposed within the bend to reflect the light beam from the first end to direct a reflected light beam towards the second end. The reflector defines an incident light axis along which the light beam is guided to the reflector, and a reflected light axis along which the reflected light beam is directed to said second end.

Abstract: A light guide illumination system, which is used in transmitting illumination from a central source to a variety of remote locations, comprises an illumination source, a configuration of transfer lenses disposed around the illumination source, which are each adapted to focus emitted light from the illumination source in a generally outward direction from the illumination source, a plurality of condenser lenses, and at least one light guide. Each of the plurality of transfer lenses are adapted to focus light into a corresponding condenser lens, and the at least one light guide is adapted to receive light from the condenser lenses. The combination of the several elements of the inventive system results in a very efficient transfer of the energy of the light source to the fibers.

Abstract: A high voltage electric-discharge lamp is used as a light source of a headlight device for use in an automobile vehicle. Light from the discharge lamp is reflected on the curved surface of a reflector disposed at a back side of the discharge lamp, and projected forward. To reduce high frequency electromagnetic noises emitted forward from the device, which interfere with radios and televisions mounted on a vehicle driven ahead, a shade to intercept light emitted directly forward from the discharge lamp is disposed in front of the discharge lamp, and the shade is grounded. To further enhance noise reduction effects, a second grounding passage is provided. The second grounding passage is formed by grounding terminals attached to the shade and a wire connecting the terminals to the ground. Other components constituting the headlight device may be also grounded to secure a higher shielding effect.

Abstract: A protective screen structure adapted for use on floor lamps having a light source orienting upwardly, in particular a protective screen mounted above a lampshade to avoid contact of flammable objects with the light bulb inside the lampshade. A protective screen is provided with a retaining plate at one end of an edge thereof the retaining plate having an oval connecting hole. The protective screen further has a reed disposed at the other end of the edge. Both ends of the reed are bent to form respective positioning hooks that pass through through holes in an inner furled edge of the lampshade to pivotally connect the protective screen to the lampshade. Therefore, by pulling the retaining plate, the protective screen can be lifted pivotally from the lampshade to allow cleaning or replacement of light bulbs. The oval connecting hole of the retaining plate enables the protective screen to adapt to lampshades of different specifications.

Abstract: A halogen torchiere lamp diffuser apparatus has a reflective element situated directly under the halogen bulb within the lampshade. The reflective element has an elongated projection with a trapezoidal or triangular cross section and with a minimal top surface such that light, and thereby heat, is diffused outward towards the edges of the lampshade and not concentrated immediately above the bulb. In addition, the reflective element has a flat section extending outward from the projection and having curved cutouts therein to allow air to pass the bulb and convect heat away from the bulb. The apparatus further has a glass shield spaced at a critical distance above the bulb and its cylindrical glass cover, thereby allowing heat to be convected away from the bulb. The apparatus can be adapted as a "retrofit" apparatus that can be installed to an existing halogen torchiere lamp by a consumer.

Abstract: A illuminated surgical instrument (11) includes an optical fiber (21) with a proximal end and a distal end, a connector (15) disposed at the proximal end of the optical fiber, and a handpiece (13) disposed generally at the distal end of the optical fiber. The handpiece has a handpiece body and a needle (25) extending distally from the handpiece body, the optical fiber (21) extending generally through the handpiece and extending slightly past the distal end of the needle (25). The handpiece (13) is suitable for one-handed operation by a human user, and the needle (25) is of a size suitable for insertion into a human eye. The instrument (11) includes structures at the distal end of the optical fiber (21) for dispersing light passing from an illumination source through the cable to broaden the area on which light impinges, and a shield (47) disposed proximally of a portion of the dispersing structure to prevent light from impinging upon a predetermined area.

Abstract: A vehicle lamp having a discharge bulb which prevents radiation of electromagnetic waves toward the forward positions of the lamp. Radiation into the other directions is prevented by shielding members disposed around the lamp. A shade disposed in front of a discharge bulb attached to a reflector is made of metal and a stem of the shade is secured to the reflector in a state where the stem is electrically connected to a socket fixture. The shade is placed at ground potential through the fixture. Thus, the front portion of the discharge bulb is shielded and prevents radiation of the electromagnetic waves to positions in front of the lamp.

Abstract: The present invention relates to a safety shield or protective cover for halogen lamps particularly halogen floor lamps, whereby the protective safety shield is mounted within an inverted shade device so that flammable objects are prevented from coming in contact with a very hot lighted halogen bulb. The safety shield comprises a substantially rectangular wire framework defined by an arcuate wire support base member that is fixedly attached to a halogen lamp fixture, and wherein the wire support base member includes at least two arcuate rod members transversely affixed thereto so as to cover the halogen lamp fixture, thereby preventing any foreign material from coming in contact with the halogen lamp bulb.

Abstract: A surgical illumination probe includes an optical fiber with a proximal end and a distal end, a connector disposed at the proximal end of the optical fiber (the connector being adapted for connection to a source of illumination and for holding the proximal end of the optical fiber in position to accept light from the illumination source), and a handpiece disposed generally at the distal end of the optical fiber. The handpiece has a handpiece body and a needle extending distally from the handpiece body, with the optical fiber extending generally through the handpiece and extending slightly past the distal end of the needle. The handpiece is of a size suitable for one-handed operation by a human user, and the needle is of a size suitable for insertion into a human eye.

Abstract: A wet niche light having a nonconductive forming shell 14 with a nonconductive housing 16 mounted therein. A double ended lamp is fixed within the housing in sockets which do not retain the lamp in friction engagement but rather hold the lamp by axial compression. A conductive reflector extends over the sockets and is grounded externally. A planar lens having vertical ribs is positioned within a bezel that attaches to the forward side of the housing by means of resilient clips. The nonconductive forming shell includes a conductive ring about the front opening of the shell with a conductor extending rearwardly for coupling with a pool grounding net. The lamp is positioned far enough within the housing such that no direct light from the lamp will strike the surface of the water in the pool at less than the critical angle of total reflection.

Abstract: An electric trouble light assembly including a shroud and a guard and with an opening in the shroud at a location out of line of vision from the bulb included in the assembly so that the user can look through the opening and view the work station. Magnifying lenses can be placed in the shroud opening, and there can also be a viewing opening in a guard on the front face of the assembly, and a magnifying lens can be supported on the guard. Finally, a cover is movably mounted on the shroud for movement into and out of a position of closing the shroud viewing opening.

Abstract: An illumination device having a reflecting plate, at least one linear light source arranged on a first side of the reflecting plate, a diffusing plate arranged on a second side of the reflecting plate, and a light quantity adjusting member formed integrally with the reflecting plate.

Abstract: An electric light fixture is disclosed which includes a lamp head housing, a lamp or bulb within the housing and an elliptical reflector for focusing light from the lamp to a predetermined focal point. A transparent lens is positioned across the open end of the housing and and extension ring is removably mounted on that open end of the housing and extends away from the housing and the lens. This ring creates an air space beneath the lens within the confines of the ring that traps heat generated from the bulg and reflected to a position within the ring whereby dust particles are deflected away from the lens by convection air flow created as a result of the heat trapped in such space.

Abstract: Containment means for a luminaire that captures hot particles created by the unlikely event of a pressurized lamp rupture is disclosed. In one embodiment, the containment means comprises a mesh interposed between the lamp and a refractor of the luminaire typically formed of an acrylic material. The mesh captures hot particles having a sufficient heat capacity and temperature to create excess heat damage to the refractor.

Abstract: A portable electric lamp of explosion-proof construction including an elongated hand grip, an elongated flourescent bulb having a U-shaped light-generating portion supported at one end of the hand grip and a transparent tube positioned about the light-generating portion of the bulb utilizes an elongated tubular protector element positioned about the transparent tube and which cooperates with the hand grip to maintain the transparent tube in position about the light-generating portion of the bulb. The lamp further includes a power cord routed through the end of the hand grip opposite the light-generating portion and the lamp includes an amount of magnesite base cement positioned in the hand grip and interposed between the light-generating portion and a section of the power cord entering the hand grip. The lamp further includes a ballast assembly having a ballast interconnected in the power cord at a location remote of the hand grip and wherein the ballast is encased in magnesite base cement.

Abstract: A lighting fixture is disclosed for accommodating a bulb parallel to its opening and that has a reflector made from a thin metal sheet located behind the bulb. At each socket housing location, the reflector is slit and an arc piece is formed from the released metal segment. The arc piece forms an effective shield over the socket and related components. Thus, the reflector and shield or shields are formable in a single action stamping step by appropriate manufacturing equipment.

Abstract: A reflector for use in dental or medical lighting devices includes a glass substrate of predetermined shape for reflecting light in a predetermined pattern. The reflector has a front surface and a rear surface. A cover plate is utilized for covering the rear surface of the glass substrate. A securing device is provided for fastening the cover plate to the glass substrate in a selectively removable manner.

Abstract: A medical examining lamp has a generally parabolic reflector, a socket for receiving an incandescent lamp and a removable shield mounted adjacent the open end of the reflector and in alignment with the socket. The reflector has a blue anodized surface to color correct the incandescent lamp.

Abstract: A heating luminaire has a slightly resilient spun metal housing with a rolled bead of larger diameter formed near the circular opening thereof. A wire guard having four extensions arranged to seat within the bead is inserted through the circular opening, which is of smaller diameter than the bead, by bending one of the extensions and distorting the resilient housing. The guard is locked in place by bending the extension back toward its original position.

Abstract: A trouble light is provided and consists of a reflector adjustably supported around an electric light socket for an electric light bulb with a guard to provide illumination, a device for turning the reflector around the socket in 360.degree. to direct the illumination from the bulb in any direction therefrom and a friction spring for holding the reflector in position after the reflector is turned. The guard is multi-sided so that it does not roll when laid down to rest.

Abstract: To prevent direct radiation from a halogen incandescent lamp-reflector un while permitting easy removal of the unit by grasping a holding element (8) for a radiation-preventing cap (6'), the holding element is made in the form of a flat sheet-metal strip (8) spanning the rim of the reflector (5). The flat sheet-metal element has a black surface finish and is secured to the reflector, for example by projecting flaps (10) engaging through slits (13) formed in the reflector, and twisted to secure the strip in position. The cap, likewise,is formed with slits (11, 11') engaged by projections (9, 12) and likewise held in position by twisting a central one (12) of the projections, the other projections preventing rotation of the cap with respect to the holding strip. The arrangement permits ready placement or exchange of the lamp from a fitting by grasping the holding strip, without thereby causing change in the optical characteristics of the halogen incandescent bulb (4)-reflector (5) combination.

Abstract: A luminaire has a spherical or ovoid reflector formed with asymmetrical voids that allow beams from the lightbulb in the reflector to emerge side-by-side through the voids in opposite directions after reflection from opposite internal surfaces of the reflector.

Abstract: This invention relates to a threshold and approach semi-flush light of the type which utilizes a high intensity lamp surrounded by a reflector which concentrates the light emitting from the lamp on a mirror located above the lamp. The mirror reflects the light through a prism in a predetermined pattern. The reflector comprises a pair of ellipsoidal surfaces of differing eccentricities joined together to form a composite reflector, such that the ellipsoidal section nearest the lamp filament has an eccentricity greater than the second ellipsoidal section spaced a greater distance away from the lamp filament.

Abstract: A headlamp has a shell containing a bulb and reflector. The shell has a front opening which is closed by a glass front lens, and a planar plastics protective screen. If the lens should be broken, the screen will normally prevent broken glass and other contaminants from reaching and damaging the reflector.

Abstract: An apparatus for releasably securing a drop light against rotation with respect to a connector from which the drop light depends, having a housing fixedly secured to the connector and an adaptor fixedly secured to said drop light. The housing is provided with a component having serrations which mate with corresponding serrations of a component of the adaptor when said drop light depends from said connector in an unrestrained manner.

Abstract: An adjustable trouble lamp support which includes a hook, a friction swivel and a clamping bracket for attaching the support to a trouble lamp. The hook includes a curved section and a shank section with the hook sufficiently large to substantially extend beyond the periphery of the trouble lamp cage at any angular position.The friction swivel includes a portion of the shank section that is attached on an incline to the center of a disc, a spring located around this portion of the shank section and a housing enclosing the spring and shank section whereby the spring is compressed and a frictional force is produced between the disc and housing.