Abstract: A lamp has a light housing and a light cover intended to restrict dazzle, wherein the lamp cover comprises at least one areal element having a pre-selectable light transmission and made of elastic material which extends between the end walls of the lamp housing and is fixable in complementary recesses in the face walls via coupling lugs after an elastic deformation resulting in a shortening and a subsequent relaxation.

Abstract: An optical element for deflecting light beams is formed form a plate-like core or element 1 of transparent material having tapered microprisms 2 one side, with furrows 7 formed between the microprisms, the furrows being covered with a reflective layer 12, and a foil 11 of transparent material arranged on a side of the reflective layer remote from the core or element 1.

Abstract: A double lamp utility light includes a vertically split light housing formed in two halves with an elongated upper light portion extending from a hollow lower handle portion. An electrical outlet is provided in a bottom surface of the handle. A pair of switches on the handle control respective ones of a pair of twin bulb fluorescent lamp assemblies. A lens assembly is releasably attached to the housing and can be removed and installed without tools for changing the lamp assemblies.

Abstract: A lighting fixture includes a fixture housing comprising a downward-facing concave reflector with elongated legs attachable to T-bar runners in a suspended ceiling grid, with one or more lampholders for supporting lamps in the reflector and connecting the lamps to a power source.

Abstract: In a preferred embodiment, a lighting fixture lens retainer for a lighting fixture of the type having a generally horizontally extending first lens held in upper and lower fixture members by insertion of first and second mounting flanges formed, respectively, along upper and lower edges of the first lens inserted into first and second mounting grooves formed, respectively, along the upper and lower fixture members, the lighting fixture lens retainer comprising: a retaining member being disposed within the lighting fixture and being movable between a first, open position in which the retaining member is spaced apart from an inner surface of the first lens and a second, securing position in which the retaining member bears against the inner surface of the lens in such manner as to secure the first mounting flange in the first mounting groove.

Abstract: A light tube for use over a light element, wherein the light tube comprises an elongated, generally tubular body having a first end, a second end, a length between the first and second ends, and a longitudinal axis extending from the first end to the second end, a longitudinal slot extending generally parallel to the longitudinal axis from the first end to the second end of the body, the slot having a first side and a second side, and at least a first notch adjacent the longitudinal slot, wherein the first notch extends from the first end of the body toward the second end of the body on one of the sides of the longitudinal slot. The light tube may further comprise a second notch adjacent the longitudinal slot, wherein the second notch extends from the first end of the body toward the second end of the body on the other side of the longitudinal slot.

Abstract: The invention relates to a lighting element (1), comprising at least one light source (4) and at least one base element (2) which is at least partially provided with a translucent material. The lighting element (1) can be freely put up and the at least one light source (4) is disposed within the base element (2). The lateral surfaces of the lighting element (1) are preferably completely provided with said translucent material, for example a PVC film, so that the light sources (4) within the lighting elements (1) are not visible from the exterior. The individual lighting elements (1) can be easily interconnected via suitable plug-in connectors (5, 8) so that the lighting elements can be simultaneously used as pieces of furniture, for example as room dividers.

Abstract: Watertight luminary for fluorescent lamps (1) with incorporated catoptrical, or diffusive reflector (2) for light direction for the increase of its luminary efficiency. The metallic base (3) of the electrical components of the watertight luminary (1) is fixed at the bottom of the plastic base (4) so that it has smaller dimensions and, consequently, less material and lower assembling time comparing to the metallic base which would be fixed as a cover (8) in the open upper side of the plastic base. With the support of the metallic base (3) at the bottom of the plastic base (4) of the luminary, there is ample space in the upper open side of the plastic base (4) that allows the placement of the reflector (2) at the optimal distance from the fluorescent lamps (5) so that the desirable concentration and direction of light can be achieved. The reflector (2) for the light direction is shaped from plastic film of at least one reflective surface in an integrate form.

Abstract: An elongate light source (1) having at least one elongate lamp (3) with two ends, which has a light-guiding element (2; 4; 5) at at least one end.

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

Abstract: A light column assembly including a hollow tube, a first endcap, a first optical lighting film, a second optical lighting film, and at least one light source is provided. The hollow tube includes a rear wall having an inner surface, a front wall extending opposite the rear wall, a first end, and a second end. The tube front wall also has an inner surface. The first endcap is coupled to the tube first end and includes a reflective inner surface. The first optical lighting film overlies the tube rear wall. The second optical lighting film overlies the tube front wall. The light source is coupled to the tube second end and positioned to direct a light beam having a predetermined beam spread angle toward the first endcap such that the light source light is substantially evenly emitted from the tube through the tube front wall.

Abstract: A light casing includes a top part and two side parts which are snapped to two ends of the top part. Each of the two side parts has a groove defined in an outer periphery thereof so that two rails are engaged with the two grooves. A mediate member is connected between the two side parts and two end plates are respectively connected to the two ends of the top part and the two side parts. Lamps are connected between the two end plates and located in the mediate member. Two light casings are able to be connected with each other by using a connection block engaged with two respective grooves of the two light casing.

Abstract: An illumination device (flash device), which is suited to cameras, includes a flash discharge tube, and an optical member having an entrance surface which a light beam from the flash discharge tube is made to enter and an exit surface from which the light beam having entered the entrance surface is made to exit, wherein a plurality of prism portions are arranged at the exit surface of the optical member, and wherein a part of the plurality of prism portions totally reflect a part of the light beam having entered the entrance surface. The totally-reflected light beam returns to the entrance surface or a reflector and is again reflected therefrom to be efficiently radiated toward the subject.

Abstract: A zoom strobe device is provided with a light emitting unit, which includes a light source and a reflector and a light collecting lens that collects the light emitted by the light emitting unit. The light emitting unit and the light collecting lens are movable relative to each other in a direction of an optical axis of the light collecting lens. The light collecting lens is configured such that a light emitting unit side surface has a positive power, and a surface opposite to the light emitting unit side surface (i.e., the object side surface) has a negative power. The light collecting lens has a positive power as a whole.

Abstract: A lamp assembly is provided which includes a low pressure discharge lamp disposed between a light bar and a housing. The light bar provides internal reflection of light reflected by the lamp from an input surface to an output surface. The light bar and the housing collect electro-magnetic interference generated by the lamp.

Abstract: A motor vehicle indicator light has an elongate light source, highly inclined with respect to a required beam spread direction and a reflector in which the source is mounted. The reflector includes a mirror able to create, from part of the source situated opposite it, a primary virtual light source parallel to the required direction of spread and means for concentrating the light radiation coming from the said primary virtual source in the vicinity of a plane containing the required beam spread direction.

Abstract: A light reflection member 16 for covering a light conductive member 13 is provided with a claw 16a. The claw 16a is a positioning means for setting the light conductive member 13 to a transparent substrate 2. The positional relation between the transparent substrate 2 and the light conductive member 13 is ensured by this claw 16a, whereby the assembling of a spread illuminating apparatus 1 is made easier, the positional shifting between the members due to aging is prevented and a desired brightness of the spread illuminating apparatus 1 is secured.

Abstract: There is provided a spread illuminating apparatus in which transmission efficiency of light is enhanced and in which a good liquid crystal display screen is provided. Positioning means (25, 25) are provided on a lower plate inner surface (15) of a frame (13) that covers a light conductive member (3). The positioning means (25, 25) push up the light conductive member (3) relative to a transparent substrate (2) in the direction of the thickness of the light conductive member (3) (light source (5)) (toward an upper plate inner surface (14) of the frame) by the thickness t of a reflection preventive film (20) attached to the lower surface of the transparent substrate (2). Thus, an exit surface (9) of the light conductive member (3) does not overlap the reflection preventive film (20), and a good display can be realized on the liquid crystal screen.

Abstract: A structure of a flash movable decorating lamp comprises at least one first unit and at least one second unit. Each first unit is formed by a hollow tube with a high pressure converting circuit and an actuation circuit, stopping rings, rubber water-proof rings, plastic male threaded tube seats, connector fixing seats, water-proof rubber rings, a male threaded tube seat for assisting in fixing, connecting line fixing sleeves, a female threaded tube seat for assisting in fixing, a connector male seat, and plastic female threaded tube seats, etc. Each second unit is formed by a transparent tube with movable decorating lamp flash circuit, a plastic male threaded tube seat assisting a fixing, a connector fixing seat, a water-proof rubber ring, a male threaded tube seat for assisting in fixing, a connecting line fixing sleeve, a female threaded tube seat for assisting in fixing, a connector male seat, and a plastic female threaded tube seat, etc., thereby, no screw is necessary in fixing.

Abstract: A housing for a flourescent tube wherein the end caps are formed to interengage the end caps of an adjacent housing thereby enabling the formation of a variable length display panel. A large area advertisement can be removably secured to the panel which provides backlighting. Each end cap is provided with a removable section to permit access to the housing interior and replacement of the flourescent tube or ballast therein.

Abstract: A display case lighting system having a lens positioned inside a display case adjacent a light source inside the case for directing light across a viewing plane within the case and reducing contrasting illumination of items displayed within the viewing plane.

Abstract: The invention concerns a light ramp (1) comprising a base section (2) with two side wings and including at least: a transparent plastic section (3) in the longitudinal direction with two edges co-operating with the base section (2) side wings so as to completely cover them by enclosing them; and two aluminium covers (4) located at the ramp (1) ends so as to enclose the transparent section (3) and the base section (2) wing ends.

Abstract: An illuminated sign system provides uniform illumination over the lamp face by using partially transmissive lamp masks located between the lamps and the sign face. The sign face itself also diffusely reflects at least a majority of light incident on its second surface back towards the interior of the sign. The lamp spacing ratio in the illuminated signs can be increased, e.g., to a ratio of 3:1 or more, and, possibly, to a ratio of 4:1 or more.

Abstract: An LCD is provided, by which damage to an irradiating tube can be prevented, and the unevenness of light in a display section can be reduced. In the LCD, the display section and the light-generating section are detachably attached to each other. Elastic members for supporting the irradiating tube are provided in the light-generating section in a tightly contacting manner, and a light-transmitting member for transmitting the light from the irradiating tube is positioned at the light-emitting side of the light-generating section.

Abstract: A lighting apparatus is disclosed for illuminating side surfaces of objects or equipment including, for example, vehicles including boats, retail and/or store shelving and/or equipment, bars, desks, counters, walls, railings, steps, and/or any other object or surface, as desired. In some embodiments, the lighting apparatus includes a bumper. When so provided, the lighting apparatus may help provide a level of protection to objects and/or surfaces that are subject to bumping, sliding or other abuse.

Abstract: An illumination device (flash device), which is suited to cameras, includes a flash discharge tube, and an optical member having an entrance surface which a light beam from the flash discharge tube is made to enter and an exit surface from which the light beam having entered the entrance surface is made to exit, wherein a plurality of prism portions are arranged at the exit surface of the optical member, and wherein a part of the plurality of prism portions totally reflect a part of the light beam having entered the entrance surface. The totally-reflected light beam returns to the entrance surface or a reflector and is again reflected therefrom to be efficiently radiated toward the subject.

Abstract: A dual-surface lens for light fixtures and T-bar ceilings includes a first lens panel having a planar perimeter around a decorative or optical control area and a second lens panel having a planar perimeter resting on the planar perimeter of the first lens panel. In a preferred embodiment the first lens panel depends below the planar perimeter and the second lens panel extends above the planar perimeter at an angle of from 5° to 15°.

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 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 guide panel according to the present invention includes at least one set of mutually opposing incident end surface portions through which light from light sources is introduced, a front surface portion through which light introduced from the set of the incident end surface portions is emanated, a back surface portion positioned on the opposite side to the front surface portion, and many light deflection portions formed on at least one between the front surface portion and the back surface portion. The rate of the light deflection portion per unit area along the other incident end surface portion from the one incident end surface portion is set to be two Gaussian distributions, and the peak of the first Gaussian distribution is biased to the side of the one incident end surface portion, and the peak of the second Gaussian distribution is biased to the side of the other incident end surface portion.

Abstract: A portable mounting light unit with provision for unit-to-unit interconnection comprising a housing having a mounting surface, at least two insulation displacement connectors mounted at diametrically opposite portions of the housing adjacent to the mounting surface, a lamp assembly, a diffuser cover for attachment over the lamp assembly, and at least one fastener access for attaching the housing to the supporting structure. The insulation displacement connectors allow for unit-to-unit interconnection with the ability to custom fit each interconnecting cord.

Abstract: The luminaire comprises a roof (20) and a transparent cover (30) as well as a plate (10) which supports internal functional elements (15, 45, 25) of the luminaire. The roof and the cover each have edges which correspond to one another, thus rendering possible an assembly by the edges with a joint (5). The plate (10) is held in place by clamping between the roof and the cover. The lateral walls of the roof have an inclined portion (3), and the edge of the plate is provided with a folded and inclined portion (2) which is pressed against the corresponding inclined portion of the roof.

Abstract: A fluorescent work light having a cover with restraining elements for restricting the movement of the fluorescent lamp. The restraining elements are inwardly projecting integral portions of the cover and restrict the lateral, rotational and axial movement of the fluorescent lamp. The work light also includes a rotatable socket with permits the cover to be threadingly engaged to the handle while rotationally engaging the fluorescent lamp. The distal end of the cover may consist entirely of transparent material to thereby permit light to be emitted from the distal end of the cover in all outward directions. The handle is provided with a removable end cover which is interchangeable with a plurality of different end covers.

Abstract: The apparatus disclosed and claimed herein comprises an outdoor lighting fixture having a post extending down into the ground, with a short length of the post extending up above the ground. A lighting fixture, which receives a lamp, is disposed on the upper rim of the ground post. An upper post or lens diffuser is in turn disposed on the fixture, and an outer post housing is disposed over or about the ground post, the fixture, and the upper post or lens diffuser. A lens is appropriately secured to the upper post and lens diffuser and to the outer post housing. If desired, the ground post may be disposed on the surface of the ground or on a hard surface, such as a deck, or the like. Moreover, a weed guard and stabilizer cylindrical element may be disposed about the housing and on the ground to help prevent inadvertent damage from lawn care equipment, inadvertent bumping, and the like. The fixture, of course, may use a compact fluorescent lamp, an incandescent lamp, or any other desired light emitting element.

Abstract: A lighting fixture according to which at least one reflector is pivotally mounted to a housing by at least one mounting member. A locking element is provided for locking the mounting member, and therefore the reflector, in one of a plurality of predetermined angular positions relative to the housing. A method of installing a reflector to a housing member of a lighting fixture according to which a mounting member is pivotally mounted to the housing member, the reflector is attached to the mounting member, and the mounting member, and therefore the reflector, are locked in one of a plurality of predetermined angular positions relative to the housing.

Abstract: There is proposed a luminaire (10) with which the exit angle of the light beams is restricted for the purpose of anti-dazzling. Further, in accordance with the invention there is attained in a simple manner and in particular without the employment of a light guide element a uniform emission of light over the entire surface of an optical element (14; 14-1, 14-2) arranged before or in the emission opening (13) of the luminaire (10). The optical element (14; 14-1, 14-2) has a plate-like core (16) of transparent material, which is occupied on one side with microprisms (17) which, with the formation of furrows (18)—starting from their roots—taper.

Abstract: An optical chassis utilizes optical couplers to convert the radial optical distribution of tube-shaped lamps into a more uniform optical distribution on planar illuminated surfaces. An optical chassis designed as an illumination source for emergency exit signs has two lamps and two optical couplers spaced apart on the optical chassis with a voltage converter disposed between the optical couplers. Illumination efficiency and uniformity is improved so that the optical chassis satisfies Underwriter's Laboratory standards for emergency exit sign retrofit kits.

Abstract: A shelf having a light rail extending along a front edge of the shelf which comprises a cover adapted to reflect light onto displayed merchandise while permitting light to pass through selected window portions to illuminate product and pricing information printed on transparent or translucent signage. Signage may also be supported on a sign strip behind the light rails, and along the front edge of the shelf board. In the preferred embodiment wire management is provided by a raceway formed between a cover support and a backing strip for the fluorescent tube. A receptacle in communication with the wiring within the raceway is adapted to receive a connector from the ballust transformer, so that all permanent wiring for the fluorescent tube is concealed within the raceway. The ballust transformer can be unplugged from the wall receptacle and from the raceway receptacle, to thus completely remove the ballust transformer from the shelf for repair or replacement.

Abstract: A tubular light has a hollow core 40, multiple light bulbs 50 and two wires 60. The core 40 has a pair of opposed notches 41 defined along the length of the core 40. Each of the notches 41 has a plurality of blind holes 411 defined in a bottom defining the notch 41. The hollow core 40 further has two slits 412 each oppositely defined along one of the notch 41. Each of the light bulbs 50 is received in one of the blind holes 412 with one blind hole 411 spaced apart and has two connection wires 51 extending toward opposite directions. Furthermore, the periphery of the casing 70 that covers the core 40, the light bulbs 50, the wires 60 in a water tight manner is polygonal so as to increase the refraction of the light from the light bulbs 50 and penetrating through the casing 70.

Abstract: A sheet-like light source device comprising a plurality of bar-shaped light sources, a diffusing plate for diffusing light emitted from the light sources, and a reflecting plate capable of mirror reflecting the light emitted from the light sources to the diffusing plate side. The reflecting plate is provided in a position opposite to the diffusing plate with respect to the light sources. The reflecting plate has at least one convex portion formed in parallel with the light sources in a space between the two adjacent light sources. It is possible to decrease or remove shield printing which has conventionally carried out over the diffusing plate, thereby enabling manufacture of a back light having a high efficiency.

Abstract: An apparatus is disclosed comprising a lamp which produces a first light which may be a white light; a first light valve, a second light valve, a first color separator, and a first aperture device. The first color separator receives the white light from the lamp, and separates the white light into a first color light and a first residual light. The first aperture device receives the first color light and the first aperture device can be controlled to modify a frequency of the first color light to the first light valve. The second light valve receives at least a portion of the first residual light. The first aperture device could also be controlled to substantially block at least a portion of the first color light.

Abstract: A lamp assembly for providing a safer means for handling of cold cathode fluorescent lamps wherein said lamp assembly comprises: (i) a cold cathode fluorescent lamp; (ii) a housing into which said cold cathode fluorescent lamp is placed; (iii) at least one end cap. In particular the present invention provides a lamp assembly for use with “EXIT” signage manufactured in accordance with recognized international codes or standards.

Abstract: A system of directional lights for use in office spaces, wherein each of individual directional lights is adapted to be plugged into electrical outlets and has a selectable directional indicator. The directional light has light transmitting windows in its front face which selectively transmit light to indicate a select direction. The directional lights thereby are portable and reconfigurable, and are mounted throughout an office area to direct occupants to a destination such as an exit or conference room.

Abstract: Improved linear illumination sources which utilize external, highly reflective enclosures containing one or more linear openings and thereby achieve improved source efficiency, output irradiance and/or output radiance. Such improved illumination sources may be combined with additional optical elements to produce more complex illumination systems.

Abstract: A light fitting (1) has a light source (4) which is arranged at the narrow side (18) of a plate-like light guide (3) from which light serving for room illumination is irradiated, at least from a part region of a broad side of the light guide (3). The light fitting (1) has a light fitting carrier (2) with at least two carrier elements (16b), lying opposite one another, for holding the light guide (3). The carrier elements are arranged on carrier parts (16, 16a). Also, a reflector arrangement (5) is associated with the light source (4) which at least partially surrounds the light source (4) in a free region neighboring the light guide (3).

Abstract: A light emitting diode light strip that uses a rigid hollow tube (20) sized to accommodate a printed circuit board (22) which has a positive and negative bus extending the full length of the board. One or more resistors (38) are in contact with the positive bus on one end and a series of light emitting diodes (44) on the other. The diodes are mounted through holes (34) in the board and the anode of the diode is in communication with a resistor while the cathode of the diode contacts an adjacent diode anode connecting them in linked series through traces on the bottom of the circuit board. The end cathode in each series, engages the negative bus forming a predetermined group of diodes electrically coupled to a single resistor on one end and the negative bus on the other. A pair of end caps (50) enclose the tube and an electrical cable (60) is connected through the caps to the busses on the circuit board.

Abstract: A light diffuser for directing light emitted from an elongated lamp toward an area desired to be illuminated, includes a curved member that is positioned between the lamp and the area desired to be illuminated. The curved member is generally parallel to a longitudinal axis of the lamp and is symmetric about a plane that extends through the longitudinal axis. The curved member includes a first curved portion on one side of the plane of symmetry and a second curved portion on the other side of the plane of symmetry. The first curved portion extends from a first end to a second end. The first end is disposed adjacent the plane of symmetry and spaced from the lamp while the second end is disposed adjacent the lamp and spaced from the plane of symmetry. The second curved portion extends from a first end to a second end. The first end of the second curved portion is disposed adjacent the plane of symmetry and adjacent the first end of the first curved portion.

Abstract: An outer light collecting portion 10 which sticks out of a light emission surface 14 to the light emission direction at the same time when a light guide plate is formed by resin forming with a mold. An area of a surface for collecting outer light is larger than that of a conventional light guide plate so as to collect outer light effectively. Light from a light source which is incidence through a light incident surface 12 reflects from a light reflection surface 13 and two side surface 11 of a light guide plate 1, and is emitted as synthesized light having the even directivity from a light emission surface 14.

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

Abstract: A mounting mechanism is provided for attaching a diffuser to a fluorescent lighting fixture. The mounting mechanism is coupled to the diffuser and includes an elongated latch member and an elongated second member. Each member of the mechanism is pivotally coupled to an end of the diffuser in a spaced apart relationship. The members are coupled to each other via a spring connected to each member below the member's pivotal point. The second member may also be a latch member of may be a hinge member. Each latch member penetrates a notch formed through the housing socket plate and latches on an upper surface of the socket plate. Each hinge member includes a hook portion having a tip. The hook portion penetrates a first notch formed on the socket plate in a first direction while the tip portion penetrates a second opening adjacent the first opening in a second direction opposite the first direction thereby hooking on the socket plate.

Abstract: The luminaire has a concave reflector (2) including a light-emission window (3) and a plane of symmetry S transverse thereto. The reflector (2) has first opposing walls (21) which extend along the plane of symmetry S, and second opposing walls (26) which extend at right angles thereto, and a top wall (27). The top wall (27) has an opening (28) which is covered with a reflecting shade (30) having first faces (31) along the plane of symmetry S, and second faces (36) at right angles to the plane of symmetry S, and a top face (37) opposite the light-emission window (3). A holder (4) positions an electric lamp e.1. in the opening (28) and in the plane of symmetry S. The luminaire is compact and suited to illuminate covered traffic areas.