Abstract: A solid state light illuminator includes a solid state lighting element, a primary coil, and a secondary coil. The secondary coil and the solid state lighting element cooperatively form a circuit. The secondary coil couples electromagnetically with the primary coil. The primary coil is adapted for electrically connecting to an AC power source to generate an alternating magnetic field. The alternating magnetic field generates an induced electromotive force in the secondary coil to apply an electrical current to the solid state lighting element.

Abstract: An apparatus and method for reducing lumen depreciation caused by other than lamp lumen depreciation. In one aspect, manufacturing and assembly of the fixture uses clean-room light techniques. In another aspect of the invention, materials that have a propensity to outgas are shielded from direct exposure to light energy. Other aspects of the invention include other methodologies to eliminate causes for lumen depreciation.

Abstract: An underwater lamp includes a cylindrical shaped shell with two opposite ends being open, a lens being received at one of the two opposite ends of the shell, and a sink base attaching to the other one of the two opposite ends of the shell. An interior space is defined among the shell, the sink base, and the lens. A light generating element for emitting light is received in the interior space and thermally attached to the sink base. The light generating element has an emitting surface facing the lens. At least one opening is defined in the lamp for fluid flowing into the interior space.

Abstract: A lead frame includes a base material, a reflection layer formed on a part of the base material, and a characteristic sustaining layer formed at least on the reflection layer to cover the reflection layer for sustaining a characteristic of the reflection layer by isolating the reflection layer from an outside. The reflection layer includes the characteristic to exhibit a predetermined reflectivity to light with a predetermined wavelength, and the characteristic sustaining layer prevents a decrease in the reflectivity of the reflection layer and transmits light reflected by the reflection layer.

Abstract: An apparatus and method for reducing lumen depreciation caused by other than lamp lumen depreciation. In one aspect, manufacturing and assembly of the fixture uses clean-room light techniques. In another aspect of the invention, materials that have a propensity to outgas are shielded from direct exposure to light energy. Other aspects of the invention include other methodologies to eliminate causes for lumen depreciation.

Abstract: A waterproof portable lamp (10) comprises a housing (12); a light source (14) including a plurality of LEDs, a power supply (16) for said light source (14) and a switch (18) for energizing said light source (14) contained within said housing (12). An opening (20) is formed in said housing (12) permitting egress of light when said light source (14) is energized. A flexible, transparent cover (22) is peripherally sealed to said opening (20) in a watertight manner and a switch activator (24) is substantially centrally located on and fixed to said flexible, transparent cover (22). The lamp (10) is activated be depressing the center of the flexible cover (22), which moves the switch activator (24) into contact with the switch (18).

Abstract: An exemplary embodiment of an optical device may include a lead frame with a plurality of leads and a reflector housing formed around the lead frame. The reflector housing includes a first end face and a second end face and a peripheral sidewall extending between the first end face and the second end face. The reflector housing includes a first pocket with a pocket opening in the first end face and a second pocket with a pocket opening in the second end face. At least one LED die is mounted in the first pocket of the reflector housing, and a light transmitting encapsulant is disposed in the first pocket and encapsulating the at least one LED die.

Abstract: A light emitting assembly having a first light source and a second light source. The first and second light sources are oriented such that when the first and second light sources emit light, light emitted from the first and second light sources overlaps and is capable of forming white light. The light emitted from the first light source exhibits color coordinates different from the light emitted from the second light source. Also disclosed is a license plate illuminator having an LED device capable of emitting white light.

Abstract: A component assembly includes a first part having a transparent section. The first part defines an outer surface. A second part is fixedly secured to the first part at a portion of the transparent section. The first and second parts create a connecting seam through the portion of the transparent section. An optically covering surface extends between the connecting seam and the outer surface of the first part to cover the connecting seam from view from the outer surface.

Abstract: Disclosed is an underwater lighting apparatus securable in the transom drain hole of a vessel. The apparatus is formed from a support structure having a chamber for housing at least LED. An outer surface of the support structure is sized and arranged to sealingly secure to the transom drain hole of a conventional boat to prevent water passage. The apparatus includes electrical connections extending through the end of the support structure for coupling to a power source. Illumination behind the boat is provided by an LED, halogen or other high intensity lighting source.

Abstract: The inventive ceiling-mounted light-fixture support assembly includes a mounting bracket having upper and lower surfaces, a length, and a width between two width sides. The assembly also includes a fixture attachment member having a top with portions defining a top opening which has a width narrower than the width of the mounting bracket. The fixture attachment member further has a recessed portion defining a slideway which (a) is in lateral communication with the top opening, (b) has a width wider than the width of the mounting bracket, and (c) is spaced sufficiently lower than the opening-defining portions of the top to receive the two width sides of the mounting bracket. In use, the fixture attachment member can be positioned so that the mounting bracket is at least partially within the slideway and then repositioned so that the mounting bracket is within the top opening for light-fixture support.

Abstract: A waterproof light has a socket, a lens, an LED connecting to two wires mounted in the lens, and may further have a partition mounted in the lens. The socket is formed by two casings corresponding and being mounted together to hold the lens. Each casing has a lens recess and two wire grooves, wherein a protruding grip is formed in one of the grooves and multiple ribs are formed in the wire grooves and on the protruding grip. The protruding grips hold and bend the wires in the socket to prevent the wire from being pulled out. The ribs of the two casings prevent water from entering the socket.

Abstract: An object of the present invention is to provide an illumination apparatus which includes an illumination fixture having an open-type reflector and a metal halide lamp, and can suppress a decrease in intensity and occurrence of glare. An illumination apparatus (10) of the present invention includes a metal halide lamp (14) and an illumination fixture (12). The metal halide lamp includes an arc tube (30) which has therein a pair of electrodes, an inner tube (32) which houses the arc tube and has a pinch seal part at one end, and an outer tube (34) which houses the inner tube and has a base at one end. The illumination fixture includes a reflector (16) having a concave reflecting surface (20), a socket, and an attachment (18). In the inner tube, a diffusing part (88) which diffuses light emitted from the arc tube is formed in an area closer to a lower end of the inner tube than a center between the pair of electrodes.

Abstract: A light emitting apparatus according to the present invention includes: a placement surface that includes an electrode; a light emitter that is placed on the placement surface; and a transparent sealing resin that seals the light emitter, and forms a concave surface that is a light-outgoing surface via which light outgoes. The concave surface faces a surface of the light emitter, from which surface light is emitted. The light emitter and the electrode are connected via a wire that is curved in such a way that a top section of the curved wire substantially coincides with a deepest section of the concave surface.

Abstract: Lamp devices, apparatus, methods of use, and methods of assembly which can be used with a single suspension lamp and/or with a plurality of suspension lamps. Each lamp can have a lamp seat mounted on a tubular member that is fixed to a main body. The lamp seat can be connected electrically to a circuit unit housed in the main body, and is mounted with a lamp bulb. A bowl-shaped upper lamp shade surrounds the lamp seat, is mounted on the tubular member, and is formed with heat-dissipating holes. A lower lamp shade is coupled detachably to a larger-diameter lower open end of the upper lamp shade, and cooperates with the upper lamp shade to define an accommodating space for receiving an assembly of the lamp seat and the lamp bulb. A bowl-shaped water-resistant cover is mounted on the tubular member, and is disposed above the upper lamp shade for covering the upper lamp shade.

Abstract: A lens for a wet environment lighting device that has a fixture with an interior that has an opening, and at least one light source located within the fixture interior. Light from the light source proceeds out through the opening. The lens is for location in front of the fixture and the light source located therein and the lens encloses the opening from the wet environment. The lens has a first light-directing area for directing light in a first beam pattern. The lens also has a second light-directing area, distinct from the first light-directing area, for directing light in a second beam pattern, distinct from the first beam pattern. The lens is positioned relative to fixture and light source therein to select from the distinct beam patterns based on the alignment of the light-directing areas relative to the light source resulting from a positioning of the lens.

Abstract: A light source device, including an alternating current high-pressure mercury lamp having a pair of electrodes opposite each other with a spherical light-emitting part having at least 0.15 mg/mm3 of mercury and halogen at 10?6 ?mol/mm3 to 10?2?mol/mm3, and cylindrical hermetically sealed parts extending from both ends of the light-emitting part. External leads protrude from the ends of the light-emitting part for receiving alternating current. A reflecting mirror having a concave reflecting part surrounds the light-emitting part and a cylindrical neck part. An adhesive for securing the mercury lamp and the reflecting mirror fills a periphery of the hermetically sealed parts of the mercury lamp. The distance L2 (mm) from a center in between the electrodes to the adhesive is set at a value of one of 16 mm or less and 20 mm or greater.

Abstract: An apparatus for illumination having a housing suited for in ground use, which contains at least one lamp which is surrounded by a reflector, a controller for controlling the lamp and light changing means. To reduce the content of moisture, air containing evaporated water is able to be released from the lamp to the surroundings and only air without moisture is allowed to enter the in-ground lamp.

Abstract: An illumination apparatus includes a heat-conductive tubular housing. A lighting device includes: a heat dissipating plate positioned in the housing and disposed adjacent to an open front end of the housing; lighting units, each having a light emitting diode mounted on a circuit board in thermal contact with the heat dissipating plate, and a condensing member mounted on the circuit board and disposed around the light emitting diode; and a driving unit disposed fixedly in the housing, connected electrically to the circuit board, and coupled electrically to an external power source for activating the light emitting diodes. A seal washer is disposed among and abuts against the housing, a transparent plate in front of the lighting units, and an annular cap mounted on the front end of the housing, so as to establish a liquid-tight seal thereamong.

Abstract: The present invention relates to a light source assembly and a backlight module including the same. The light source assembly (10) includes a light source (12) and a light guide plate (16). The light source (12) includes a light-emitting layer (122). The light source assembly (10) further includes a transparent filling layer (14) is interposed between the light source (12) and the light guide plate (16). The light source assembly (10) can reduce reflection and refraction loss when the light beam enters the light guide plate (16).

Abstract: An LED package having a dual structure for lateral emission of light includes an LED chip, a lower structure, a lower lens and an upper lens. The lower structure includes a pair of electric connection parts, a package body, and a transparent encapsulant filled in the recess of the package body to seal the LED chip. The upper-hemispheric lower lens is fixed to an upper part of the lower structure with a bottom part thereof attached to an upper surface of the transparent encapsulant. The funnel-shaped upper lens is fixed to an upper end of the lower lens, and includes an axially symmetrical reflecting surface for laterally reflecting light from the lower lens, and an emitting surface for laterally emitting light reflected from the reflecting surface. The upper lens and the lower lens are separately molded and combined together to easily manufacture and efficiently install the LED package.

Abstract: A portable light device is capable of generating light that is substantially uniformly distributed at its surface. The light device includes a housing having at least a translucent portion formed of a translucent material A first light source is disposed within the housing and is adapted to generate light. A first optical structure is positioned to direct at least a portion of the light from the first light source toward the housing translucent portion, and a second optical structure is positioned between the first light source and the housing translucent portion, the second optical structure being adapted to diffuse at least a portion of the light for uniform distribution across the housing translucent portion.

Abstract: The present invention is a view port suitable for installation under the water line of a vessel wherein the view port comprises a flange made from a corrosion resistant material and a body made from a heat resistant material. An alternative embodiment of the invention is an underwater light in which a high intensity discharge (HID) light and ballast is completely installed into the above-described view port.

Abstract: A multiple position luminaire is described having a hinged lens frame and lens. The lens rotates about a hinge affixed to the luminaire housing, the lens frame being sealed against the luminaire housing with a double gasket seal, a first seal interposed between the lens frame and the housing and the second seal being a plurality of gasket fingers contacting an inner surface of the luminaire side wall.

Abstract: The invention provides a circuit device for controlling N light-emitting devices disposed in a sequence on an object, wherein N is an integer larger than 1, and each light-emitting device includes a respective light-emitting diode. The circuit device includes a water-proof enclosure, a motion-actuated switch, a controller, and a battery. Particularly, the controller is capable of driving the light-emitting diodes lighting up on the basis of a first predefined sequence and a consequent second predefined sequence when triggered by the motion-actuated switch.

Abstract: An LED apparatus including (a) a mounting board, (b) a plurality of LED packages thereon, (c) a lens member over each LED package, and (d) a safety barrier positioned over the mounting board, the barrier having sufficient thickness for enclosure of electrical elements on the mounting board and including a plurality of openings each sized to permit light from an LED package to pass therethrough and through a light-transmission portion of the lens member over such LED package to prevent finger-contact of electrical elements on the mounting board when the light-transmission portion is not present.

Abstract: An LED apparatus of the type having a mounting board, an LED package thereon with a primary lens, and a secondary lens member over the primary lens and establishing a light path therebetween, includes a resilient member against the secondary lens member in position other than in the light path, the resilient member yieldingly constraining the secondary lens member and accommodating secondary lens member movement caused by primary lens thermal expansion during operation.

Abstract: An underwater light generally has a base having a light source housing chamber and a bottom tunnel. The base has at least two screw holes communicating the light source housing chamber with the bottom tunnel. A substrate for a light-emitting device is disposed in the light source housing chamber. A reflection cover is disposed over the substrate. A watertight upper cover is disposed over the reflection cover, and coupled to the upper edge of the light source housing chamber. The screw holes are connected respectively with two watertight walls to allow the insertion thereinto of at least two screw devices. A power strip is clamped in the bottom tunnel by a bottom plate to enable the watertight walls to pierce through an insulating casing of the power strip for electrifying the screw devices, whereby the underwater light has a stable power source and an excellent property of watertightness.

Abstract: A lighting unit for water fountains, ponds and the like, has a housing that is sealed at least relative to splashing water. A light source is arranged in the housing. A lens is arranged in the housing for alignment of light emitted by the light source. An additional lens unit is arranged in a light path of the light emitted by the light source for providing an additional alignment of the light emitted by the light source. A closure cap secures the additional lens unit by a self-centering action on the housing. The closure cap has an inner guide providing the self-centering action.

Abstract: A method of manufacturing a lighting module comprises: mounting one or more light emitting diode (LED) packages on a circuit board to define a lighting unit; and injection overmolding the entire lighting unit except the one or more LED packages using a single type of overmolding material. A lighting module comprises: one or more LED packages mounted on a circuit board; and an injection overmolding sealing the circuit board, the injection overmolding not having openings corresponding to piece holding pins, the injection overmolding not covering at least a light emitting portion of the one or more LED packages.

Abstract: A vehicle headlamp is provided. The vehicle headlamp includes a lampshade, a lamp base provided at the lampshade, a light source module provided at the lamp base, a light source adjusting mechanism connected between the lampshade and the lamp base and a heat dissipation module. Wherein, lampshade has an opening, and the light source adjusting mechanism can adjust the relative position between the lampshade and the lamp base. In addition, the heat dissipation module provided between the light source module and the lamp base can extend to the external side of the lampshade via the opening.

Abstract: A dock light for mounting in a void in the side of a floating dock. The light has a housing with a floor, sidewalls, lens and lid defining a chamber. The chamber houses a power source, such as a battery and photovoltaic cell, and a light source, such as a light emitting diode (LED). The lid is removably mounted to the sidewalls, and is flush with, or set beneath, the top surface of the dock when in an operable position. The lens extends from the void at a side opening when the dock light is in an operable position, and is flush with, or set beneath, the side surface of the dock. The light shines from the side of the dock, and is powered by collecting energy from the sun, thereby requiring little to no maintenance. The dock light is protected by the surrounding surfaces of the dock.

Abstract: A lamp assembly includes a reflector body having an integral crimping portion that extends inwardly over a channel formed in the reflector body, a seal feature arranged within the channel, a cathode assembly having an edge feature extending into the channel, and a resilient member held in a state of compression between the crimping portion and a first surface of the edge feature such that an opposing second surface of the edge member is held against the sealing feature thereby creating a hermetic seal between the cathode assembly and the reflector body wherein the crimping portion is configured to remain in contact with the resilient member if the hermetic seal becomes non-hermetic.

Abstract: An underwater light display system for providing a decorative light display on the surface of a container holding a body of water and/or objects located within a body of water is provided. An exemplary system comprises a shell and a light assembly. The shell comprises a bottom and a top portion. In accordance with an exemplary embodiment, the light assembly is preprogrammed to produce variable light patterns and is secured to the interior surface of the top portion so as to direct light downward. In accordance with an exemplary embodiment, the light assembly may further comprise a plurality of lenses configured to direct light. In accordance with an exemplary embodiment, the light assembly further comprises a weight having a lens configured to direct light.

Abstract: A method for manufacturing a vehicular lamp including a wire installation process that installs a wire (hearing wire) 6 in a flat resin plate 7 by heat; a shape-forming process that forms the resin plate 7 into a predetermined curved shape; a trimming process that trims the resin plate formed in the predetermined curved shape into a desired shape of the exterior contour of a front lens 3; and a fixing process that fixes the front lens to a lamp body 2 by optical welding.

Abstract: A decorative light system includes a base and a portable light device capable of communicating with each other to generate a light show. The system includes a base defining a receptacle and including a microcontroller, a transceiver operably coupled to the microcontroller and adapted to generate a control signal, a first power source operably coupled to the microcontroller, and a user interface operably coupled to the microcontroller and including at least one switch for activating the microcontroller.

Abstract: An underwater lighting unit (1) for marine or other underwater use incorporates LEDs (13) as the light source and provides an array of LEDs (13) mounted against the back wall (11) of a metal or thermally conductive plastic housing (10) which utilizes the cooling effect of direct contact between the water and the housing to dissipate the heat generated by the LEDs (13) in use. The LEDs (13) each have an associated collimator (20) protected from contact with the water in which the unit (1) is to be immersed by a sealed glass screen (22), and each LED may be from one to three watts or more in power. There may be 30 or more LEDs (13) and associated collimators (20) in each lighting unit (1). The lighting unit (1) may be mounted in a cofferdam (2) of a marine vessel, directly against or slightly forwardly of the back wall of the cofferdam, or may be surface-mounted on the hull (3) of the vessel directly against or slightly spaced from the hull (3) and below the waterline.

Abstract: A protective tubular light is proposed, which basically consists of a transparent light tube (10) in which a fluorescent lamp is positioned. The fluorescent lamp is carried by a lamp support. The light tube (10) can be tightly sealed on either end by a cover consisting of an outer cover part (60) and an inner cover part (80). Serving to produce the tight seal is a sealing ring (62), which is pressed against the inner wall of the light tube (10) by the axial movement of the inner cover part (80) in conjunction with a tension cone (83) furnished on the inner cover part (80). The electrical connection of the fluorescent lamp and the network cable is provided by plug and coupling parts (30, 40). To produce or break off the electrical connection the coupling part (40) is driven against or withdrawn from the plug part (30) by the inner cover part (80), which can be moved axially.

Abstract: It is a lighting apparatus 10 that has a light emitting element 16, a light emitting element housing 15 having a concave portion 28 that accommodates the light emitting element 16, and an optically transparent member 18 that airproofs a space B formed by the concave portion 28 and transmits light emitted from the light emitting element 16. The concave portion 28 is shaped to become wider toward the optically transparent member 18 from the bottom surface 28A of the concave portion 28. The lighting apparatus 10 is provided with a light shielding member 12 for shielding a part of light emitted from the light emitting element 16 is provided on the optically transparent member 18.

Abstract: Exemplary embodiments of the present invention include a second reflector attached to a sealing portion so that its reflection surface may surround substantially the front half of a light emitting portion, the heat capacity of a front-side electrode surrounded with the second reflector is made larger than that of a rear-side electrode, an electrode shaft which supports the front-side electrode surrounded with the second reflector is made thicker and/or longer than an electrode shaft which supports the rear-side electrode, the front-side sealing portion to which the second reflector is attached is made thicker than a rear-side sealing portion, and the front-side sealing portion, to which the second reflector is attached is coated with a heat radiation material which has a thermal conductivity higher than that of the material of this sealing portion.

Abstract: A light source, a flexible circuit carrier and a flexible reflector are disclosed. The flexible circuit carrier includes a flexible substrate having a first surface having a plurality of electrical traces formed thereon. A first LED die is disposed on the first surface and connected to two of the electrical traces. A plurality of external electrical connections for accessing the electrical traces are also included in the circuit carrier. The flexible reflector includes a layer of flexible material having at least one cavity extending through the layer of flexible material. The flexible layer is bonded to the first surface such that the cavity overlies the first LED die. The cavity has walls that reflect light generated in the first LED die. The flexible material and the flexible substrate can include silicone.

Abstract: A hydrological barrier plate for in-grade light fixture housings and a housing for use with light fixtures to prevent water entry into the water sensitive compartments of the light fixture. The barrier plate has a plate body with an opening in which is sealably disposed an anti-syphon wire pass-through valve for electrically connecting the components on one side of the barrier plate with the wires in the junction box on the opposite side of the barrier plate. The barrier plate is sealed around its outer edge against the housing wall. The pass-through valve is configured to prevent water from wicking along the wires and to prevent water from passing around the valve. The barrier plate is installed without tools and an effective seal is easily obtained. Using the barrier plate, water is prevented from migrating between the junction box and the primary housing compartments of the housing.

Abstract: A position lamp for watercraft or for placing ashore, in particular a multicolored lamp, having light to be emitted in at least two different directions and at least one light source per direction, the light passing optically refractive elements, and in which a dedicated optically refractive element is provided per light source, the optically refractive elements being held on a common housing body, the housing body also accommodating the light sources.

Abstract: Lamp devices, apparatus, methods of use, and methods of assembly which can be used with a single suspension lamp and/or with a plurality of suspension lamps. Each lamp can have a lamp seat mounted on a tubular member that is fixed to a main body. The lamp seat can be connected electrically to a circuit unit housed in the main body, and is mounted with a lamp bulb. A bowl-shaped upper lamp shade surrounds the lamp seat, is mounted on the tubular member, and is formed with heat-dissipating holes. A lower lamp shade is coupled detachably to a larger-diameter lower open end of the upper lamp shade, and cooperates with the upper lamp shade to define an accommodating space for receiving an assembly of the lamp seat and the lamp bulb. A bowl-shaped water-resistant cover is mounted on the tubular member, and is disposed above the upper lamp shade for covering the upper lamp shade.

Abstract: A pool light mounting system includes a circular band formed of resilient material. The band has first and second adjusting brackets at either end. The brackets have substantially planar surfaces located orthogonally to the band. The planar surfaces have first and second apertures penetrating the surfaces. The apertures are sized to fit slidably over a threaded stud. First and second nuts are threaded to fit the threaded stud and located on the stud located within the first and second apertures. First and second mounting brackets are attached to the band having third and fourth planar surfaces spaced forwardly from and parallel to a front edge of the band. The third surface has a receiving notch for a mounting hook. The fourth surface is located opposite the first mounting bracket along the band and has a threaded hole sized and shaped to accept a threaded mounting screw for a lighting fixture.

Abstract: Apparatus and methods for an environmentally resistant germicidal lamp are disclosed. A cover may have a material resistant to at least one of dripping, light splashing, light spraying of liquid and condensation. The cover may have a first section having an opening for receiving a base of a lamp, and an inner surface for encompassing and being slightly larger than an outer cross section of the base when the first section receives the base. The cover may have a second section having an opening for receiving a socket of an electric discharge lamp fixture, and an inner surface for encompassing and being slightly larger than an outer cross section of the socket when the second section receives the socket. The cover may shield and partially enclose electrical contacts of either the base or the socket from at least one of dripping, light splashing, light spraying of liquid and condensation.

Abstract: The object of the invention is a method of fixing a outer lens to the housing of a lighting and/or signaling device for an automobile, the housing being provided, in the area of joining with the outer lens, with a bonding groove, a method during which adhesive which is not totally hardened is disposed in the said groove, the foot of the outer lens is inserted in a groove so that it is outer lens with adhesive over a sufficient height, the adhesive hardens in particular to fix the foot of the outer lens in the bonding groove. At least one step of temporary fixing of the outer lens to the housing is provided, after the insertion of the foot of the outer lens in the bonding groove and after any hardening of the adhesive.

Abstract: A rope light track system houses a tubular flexible rope light string and can be mounted on or in various interior and exterior structures to protect the light string from damage and provide utilitarian and decorative lighting. The system includes a plurality of elongate rigid or semi-rigid tracks having a longitudinal generally rectangular U-shaped retention channel with an open end defined by laterally opposed side walls adjoined at one end by a transverse base wall and at least one retainer element near the open end. The tracks have side portions or a mounting flange portion extending outwardly from the retention channel to accommodate various mounting configurations. An elongate tubular flexible rope lighting string is removably mounted in the retention channel and retained therein to prevent accidental removal, and is disposed below the channel open end to protect it from being damaged and allow light emanating therefrom to be directed out of the channel open end.

Abstract: A light-emitting diode including a curved surface portion 14aA formed in the front face of a sealing member 14 with the cross-sectional shape of the curved surface portion being in the shape of an undulating curve that has a concave curve C1 near the optical axis and convex curves C2 on both sides of concave curve C1, thus allowing the light emitted from a light-emitting chip 12 at a small divergence angle centered on the optical axis Ax to reach the concave curve C1 and to be directed forward as diffused light deflected from the optical axis and further allowing the light emitted at a large divergence angle centered on the optical axis Ax to reach the convex curves C2 and to be directed forward as light deflected toward line L positioned at the divergence angle ?.

Abstract: A lighting fixture has a housing, a socket provided to the center portion of the housing, a reflector attached to the inner surface of the housing, and a lamp screwed into the socket. An annular band-shaped sealing plate, a disc-shaped cover plate, and an annular band-shaped locking plate are sequentially placed on the upper end of the housing, and the locking plate is placed on the periphery of the cover plate and is locked to the housing. A groove is defined in the inner surface of the skirt portion bent from the locking plate, the sealing plate is detachably fitted into the groove, an engagement projection is formed on the inner edge of the locking plate, and the cover plate is locked to the engagement projection, whereby a space is defined between the cover plate and the sealing plate. The locking plate and the cover plate have different colors.