Abstract: An ornamental lamp having a colored coarse surface in the periphery of the bulb thereof, the colored coarse surface having a plurality of recessed and protruded ornamental lines extending in different directions and intersecting one another, showing a design.

Abstract: A light source device has a light shielding member having an aperture, a light source arranged on one side of the light shielding member, and a converging member arranged relatively with respect to the light source and the light source to thereby converge light emitted from the light source in the aperture or in a vicinity of the aperture. Another type of light source device has a single light source, and a converging member for converging light from the light source to thereby distribute the light to at least two points. Still another type of light source device has a light source, and a reflecting mirror arranged to enclose a side of a light emission direction of the light source, the reflecting mirror reflecting light emitted from the light source in a direction except the light source so that the light is radiated outside.

Abstract: A ceramic cup may be fitted in the neck of a reflector region to provide good reflection or blockage of the light incident on the reflector neck. Light is then prevented light from incorrectly exiting through the lamp neck or from heating the neck region. The ceramic cup can be cheaper than coatings or other shields. The ceramic cup shield can be more durable and electrically more compatible with the lead structure extending through the neck region. The cup shield can also help align and properly position the light source.

Abstract: The invention proposes an indicator light, in particular for a motor vehicle, of the type comprising a central optical axis, a light source and a solid optical piece, at least partly of revolution, which comprises at least:

Abstract: A reflector lamp is provided in which the lens is secured to the reflector by use of an addition-cure silicone adhesive.

Abstract: An optical assembly enables improved optical control of an uplight illumination component and a downward illumination component. The optical assembly includes a reflector/refractor and a shroud carried by the reflector/refractor. The reflector/refractor has a predefined shape and has a plurality of reflector/refractor prisms on an exterior body surface for reflecting and refracting light. The shroud has a plurality of prisms disposed proximate to the reflector/refractor prisms for providing optical control of incident light from the reflector/refractor. The shroud is formed substantially corresponding to the predefined shape of the reflector/refractor, surrounding and spaced from the reflector/refractor exterior body surface. The shroud is formed, for example, by vacuum forming or by injection molding technique. The shroud provides optical control of incident light from the reflector/refractor, generally refracting incident light from the reflector/refractor.

Abstract: A lighting module that projects various colors, hues and intensities of light, and that can change the divergence and distribution of light. The device includes a light source and a reflector to direct the light along an optic path in a generally parallel direction. The invention does not provide a beam that is parallel or even somewhat parallel. It is intended for applications in which a somewhat diffused beam is required. In addition to the light source, the module comprises a filter assembly with at least one filter therein, and a system diffusion optical element. The filter assembly controls the size and color of the light beam. The system diffusion optical element spreads the light in one or more desired directions so that fewer modules are required to light a given area.

Abstract: A headlight allowing easy adjustment of a delicate light distribution pattern during manufacturing is provided. The headlight includes a light source, a reflector surrounding the light source from its backside to reflect light incident from the light source frontward, and a front lens located in front of the light source and the reflector. The front lens is provided with at least two portions different in light transmission characteristic from each other.

Abstract: A design structure is provided in the effective luminous region of a lamp device. Moreover, there is provided a unit which allows the optical path of a reflected light from a reflector to avoid the design structure is provided on the reflector. Therefore, the design structure can be positively provided in the effective luminous region of the lamp device, without affecting the light distribution, thereby increasing the degree of freedom in designing of the lamp device.

Abstract: A surface lighting device includes a stick type light guide body. The stick type light guide body receives a light emitted from a light emitting surface of an LED fixed on a substrate from a side surface which faces to the LED and emits the received light from a side surface which faces to a light guide plate. The emitted light is incident from a side surface of the light guide plate and is emitted from an upper surface of the light guide plate. Then, the substrate is formed with a through hole, and the stick light guide is formed with a protrude portion on the lower surface thereof. By fitting the protrude portion into the through hole, the LED and the stick type light guide body are relatively positioned such that the light emitting surface of the LED and the side surface of the stick light guide are brought into close contact with each other.

Abstract: A spread illuminating apparatus, in which a bar-like light conductive member brightened by a light emitting diode disposed at an end thereof is disposed close to the side of a transparent substrate made of light-permeable materials. The light conductive member is provided with a row of prism grooves as an optical path conversion means and an optical path conversion plate is disposed between the light conductive member and the transparent substrate. Light from the light emitting diode enters the light conductive member and is directed slantingly at the prism grooves to enter the optical path conversion means. Then, the light enters the transparent substrate straight to illuminate it efficiently.

Abstract: A light reflector (10) comprises a plastics reflector bowl (11) having an inner surface (21), an outer surface (23), a narrow aperture (14) and a wide lower diffuser lens (24). Mounting means (12) is provided at the narrow aperture for mounting the reflector on to a housing for control gear of a light source. The narrow aperture is adapted to house the light source. The reflector bowl (11) and mounting means (12) are formed as a single reflector unit by plastics moulding with at least one of the inner or outer surfaces being surface-metalized to a reflective finish. There is also provided an open version of the light reflector and a method of forming a light reflector.

Abstract: The invention relates to a lighting installation, in particular as a danger light, obstruction light or daytime and night-time marker, having at least one luminaire, at least one lighting means being arranged in a housing of the luminaire.

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 light source arrangement is used for providing illumination to an essentially planar area (405) in an electronic device. The arrangement comprises an encapsulated semiconductor light source (402) in the vicinity of an edge of an essentially planar light guide (404). Light emitted by the encapsulated semiconductor light source is to be coupled into the light guide through the edge. The encapsulated semiconductor light source comprises a semiconductor chip (301) encapsulated in an encapsulation block (302) that comprises a curved surface facing the edge of the planar light guide. The encapsulation block (302) has also a D-shaped cross section in a plane perpendicular to the plane of the essentially planar lightguide so that the arcuate part of the D corresponds to said curved surface. The encapsulation block extends to a predetermined distance in an extension direction locally perpendicular to the plane of said D-shaped cross section.

Abstract: An method and apparatus that generates light at various up-angles. A planar surface having a plurality of LEDs equally spaced in a circular arc directs light at a conical reflector, which redirects the generated light in a 360-degree arc of light (i.e., light beam) that is then concentrated by a magnifying lens. The light beam has a small vertical angle of divergence and appears to originate from a point light source in the center of the conical reflector. A base assembly has mounting positions to which the planar surface, conical reflector and magnifying lens are secured and maintains the lantern in an up-right position. The base assembly includes a plurality of mounting positions for securing the planar surface at various predetermined distances from the conical reflector, thereby directing the generated light beam at a corresponding predetermined up-angle.

Abstract: A surface light source device includes a linear light source, and a light emitted from the linear light source is incident onto one side surface of a light guide plate. The light is then emitted from an upper surface of the light guide plate. A display panel is provided so as to cover an upper surface of the light guide plate. The display panel has two display areas that its translucent rates are different each other. In addition, a light-shielding sheet is provided between the light guide plate and the display area to shield the light emitted from the light guide plate. A light-shielding effect of the light guide plate deteriorates with to a distance from the side surface of the light guide plate, and a luminance irregularity of the light emitted from the light guide plate is absorbed in the light-shielding sheet.

Abstract: A light assembly including a central axis along which a light source is intended to be located. A ring lens at least partially surrounds the central axis, the lens having a central projection along a projection axis for projecting the light passing through the lens along the projection axis. The central projection and projection axis are at an angle with respect to the central axis and the angle is not a right angle. The ring lens has a conical entry face which is at an angle with said central axis. Another embodiment of the light assembly includes a central axis on which a light source is located and a ring lens at least partially surrounding the central axis. The lens is constructed and arranged to provide collimated light horizontally about a plane which is at a right angle to the central axis, and non-collimated light vertically and in directions which are perpendicular to tangents at the exit points of the rays from the lens.

Abstract: A light source device has a light shielding member having an aperture, a light source arranged on one side of the light shielding member, and a converging member arranged relatively with respect to the light source and the light source to thereby converge light emitted from the light source in the aperture or in a vicinity of the aperture. Another type of light source device has a single light source, and a converging member for converging light from the light source to thereby distribute the light to at least two points. Still another type of light source device has a light source, and a reflecting mirror arranged to enclose a side of a light emission direction of thelightsource, the reflecting mirror reflecting light emitted from the light source in a direction except the light source so that the light is radiated outside.

Abstract: Disclosed is a luminaire including a housing for receiving light axially and having at lest one optical surface for emitting light. A lens is mounted in the housing and has a light input portion and a light output portion. A prismatic film is mounted in the housing onto which light output from the output portion of the lens is incident thereon wherein light is reflected by the prismatic film radially outwardly therefrom.

Abstract: A light scattering guiding light source device with a good directionality, having a simplified construction and usable for a backlight source of a liquid crystal display device and the like. A fluorescent lamp is arranged on one lateral surface side of a wedge shaped light scattering guide of an emitting directionality. A light emitting direction correcting element having a line shaped prism face is disposed on a light output surface side of the light scattering guide. A surface light source device using a flat surface of the light emitting direction correcting element as a brightened light can be obtained. Any particular treatment for producing an intensive light scattering such as a light dispersing ink pattern or an irregular diffusing surface or the like, is not provided on a back surface of the light scattering guide. A silver foil sheet is arranged opposing the back surface as a reflection portion having a regular reflection property.

Abstract: A light system composed of a plurality of lights with each light having different light emission properties. The component parts of each of the lights, such as optically effective components that influence the beam path of the light emitted by the lamp, and end cap reflectors are of a standard dimension so that lights of different configurations can use the same elements to reduce the number of different parts required for the group of different lights of the system.

Abstract: A lighting fixture that has a plurality of differently fashioned regions wherein different light emission properties occur. The fixture includes at least one hollow light guide having a cavity, one or more bulbs that emit light into the cavity of the hollow light guide, and at least one light output device having a light-refractive structure for outputting light from the cavity of the hollow light guide to a light exit face. The light output device forms at least a part of the wall of the hollow light guide and the light of at least one bulb that directs light into the hollow light guide is beamed out in different regions of the lighting fixture that have different light emission properties.

Abstract: A vehicle indicator lamp having a transparent cover that performs horizontal light radiation at a wide angle in which a reflecting surface of a reflector is formed so as to diffusion-reflect the light from a filament of the light source into a forward direction. Horizontal deflection lens portions are formed on the center area of the transparent plain cover and near the lamp's optical axis so as to horizontally deflection-permeate the direct light from the filament in a direction away from the lamp's optical axis.

Abstract: The invention relates to a flag-pole light provided by means of a luminous knob comprising a light source which is provided within a cover and emits light rays that are reflected from reflecting surfaces through a translucent lower portion of the cover. The luminous knob of the invention can be mounted on existing flag-poles in place of a conventional knob or on new poles during their manufacture.

Abstract: A headlight for a vehicle has a reflector, a light source, a lens through which a light reflected by the reflector passes, and at least one element which surrounds the lens at least over a part of its periphery and is at least partially light permeable so that the light emitted by the light source and not engaged by the reflector passes through the element and is collected, the element being provided with ring-shaped optical profiles which form a Fresnel lens.

Abstract: A light incident into a wedge type light scattering conducting element from a light incident surface of the light scattering conducting element is converted into a light flux having a directionality and is output from a light output surface. The output light is input to a wedge type emitting direction characteristic adjusting element arranged with a positional relationship complementary to the light scattering conducting element. A prism shaped irregularity for adjusting a propagating directionality of the light in longitudinal/transverse directions is formed on a light input surface/light output surface of the wedge type emitting direction characteristic adjusting element. The wedge type emitting direction characteristic adjusting element has a weakened scattering power depending on requirements, thereby a degree of directionality sharpness of the light emitted from a surface light source device is adjusted.

Abstract: A vehicular lamp including a lamp body having a U-shaped recess portion defining a lamp chamber and an opening; a light source disposed in the lamp chamber; a lens covering the opening of the lamp body; a fish-eye lens portion formed of at least one fish-eye lens; a cylindrical lens portion formed of at least one cylindrical lens, the fish-eye lens portion and the cylindrical lens portion arranged on a surface of the lens with a thickness of the fish-eye lens portion being substantially equal to a thickness of the cylindrical lens portion.

Abstract: A lamp including a light source, a petaline reflector, and aspheric lenses. The petaline reflector is formed of a plurality of reflecting surface units combined radially around the center axis of the light source. Each of the reflecting surface units is obtained by cutting, radially around the center axis, a portion from a spheroid having a first focal point located on the center axis and adjacent the light source and a second focal point located on a line passing through the first focal point and tilted appropriately from the center axis such that the cut portion spans a range of 15.degree. to 60.degree. around the center axis. The aspheric lenses are disposed to correspond to the respective second focal points of the reflecting surface units of the petaline reflector and converge reflected light beams from the respective reflecting surface units. Shades for forming a light distribution pattern are disposed at the respective near-focal points of the aspheric lenses.

Abstract: A lamp with a faceted spiral reflector and a spiral faceted lens is disclosed. The lamp with spiral reflector and spiral lens yields a smooth circular beam pattern with a perceived sharp beam edge. The source image is well dispersed, and the beam illumination is visually smooth.

Abstract: A device is provided to diffuse a beam of light, the device consisting of a plurality of truncated cells nested together along their respective sidewalls for collecting and diffusing the light rays as they extend along the plurality of cells having an expansive, tapered interior volume. The device diffuses the main light beam in a headlamp, for example, thereby substantially reducing the glare experienced by oncoming drivers and permitting high beams of the headlamp to be used in the presence of the oncoming drivers. The device of the present invention is retrofitable to existing headlamps. In another embodiment of the present invention, a concave lens is disposed in the headlamp assembly to diffuse the main light beam prior to it entering the truncated cells, while each one of the cells of the dispersion device is also provided with its own respective concave lens to augment the diffusing effect.

Abstract: A lighting unit for examining the quality of a product, wherein the lighting unit can be easily assembled, has a small number of components, and emits light from a surface at a light intensity with little unevenness. An illuminant assembly of the lighting unit comprises a ring-shaped transparent body for light diffusion, and a plurality of illuminants such as light-emitting diodes that are positioned along the periphery of the transparent body and are capable of emitting light toward the center of the transparent body. Light emitted from the illuminants passes through the transparent body while being reflected and scattered, and is emitted uniformly from an underside surface of the transparent body, providing emission of light from a surface at an even light intensity.

Abstract: There is described a multi-configurational, multi-functional electrical lighting fixture for high-abuse application and structured for surface mounting. The fixture includes a lens of U.V. stabilized, high impact-resistant, injection molded polycarbonate plastics, integrally formed with two selective, separate and distinct, high-performance reflector/refractor surface systems carried by the single lens, as separate zonal areas. The first system generates a long and narrow "throw", and the second system a short and wide "throw". A molded, opaque "eyelid" provides optimum lamp shielding and controls light distribution. The lens surmounts a lens base to which it is secured by means of unique internal, integrally-molded lugs received in cooperating hook-shaped slots. An 0-ring gasket establishes a water-tight seal. Unlocking of the assembly is deterred by means of a single, tamper-resistant screw. The lens base is mounted on a deep casting, with or without an interposed cast aluminum baseplate.

Abstract: The present invention provides a substantially planar illuminating device, a visual display having an internal light source and a method of manufacture therefor. The illuminating device includes a transparent substrate having a pair of substantially parallel major surfaces and an entry point for accepting light from the light source wherein the substrate functions as a guide for the light. The device also includes a plurality of microelements located on one of the pair of surfaces. The microelements have a substantially planar surface with an average roughness less than one micron and a side wall abnormal to the planar surface. In advantageous embodiments, the side wall is curved. The planar surface is configured to re-direct a substantial amount of light received in the substrate from an external light source out of the substrate. The side wall is configured to re-direct light from the internal light source out of the substrate.

Abstract: A retro-reflective sign is provided having a front face member attached to a back member. The face member has a plurality of cube corners disposed along its back surface. The sign can be of any shape or color and provides superior light reflection at night as compared to conventional signs. Thus, the sign can be easily seen while driving at night. In an alternative embodiment, the cube corners are disposed along the inner surface of the back member. The front face member or the entire sign can be coated with a silicone material to provide added protection to the sign from scratching and vandalism. A side wall can be provided between the front face member and the back member to define a gap area therebetween. Several sign to a post attachment embodiments are also provided.

Abstract: An improved luminaire assembly having an HID lighting source with an upper reflector portion and a lower refractor portion. This luminaire assembly provides downlight control and glare control properties for a concentrated, narrowly spaced downwardly directed illumination. The downward light control below horizontal to uniformly distribute downward directing the light rays below horizontal to angle in the range between 30.degree. to 50.degree. vertical.

Abstract: An auxiliary vehicle light comprises a housing having an opening in the front wall thereof, a lens permanently mounted on the front wall and sealingly closing the opening therein, and a reflector in the housing sealingly mounted about the opening in the front wall and cooperable with the lens to provide laterally adjacent headlight and parking/turn signal light bulb receptacles are removably mounted on the reflector for supporting light bulbs in the two light chambers, and the receptacles are accessible through an opening in the rear wall for removal from the reflector and which access opening is sealingly closed by a door.

Abstract: In a light distribution system for producing a series of light beams remote from a quasi point source, a light collection means, a conveyance means having an axis, and a series of illumination directors are provided. The light collection means projects light from the quasi point source through the conveyance means to the series of illumination directors. The illumination directors are axially displaced from one another, and each illumination director directs a beam away from the system to provide illumination. At least one of the illumination directors comprises a beam splitting reflector having a predetermined ratio of reflection to transmission. Consequently, each illumination director in the series provides a measured amount of brightness in a predetermined ratio to the other illumination directors in the series. The light collection means and said illumination directors define brightness and size of the beams projected from the system.

Abstract: A reflector includes one closed end, one open end and highly reflecting curving walls. The walls are symmetrical about at least one axis of symmetry. The walls include a first segment and other segments. The first segment has a curved shape and is located at the closed end of the reflector. The first of segment directs most of the light rays incident on it across the axis of symmetry at crossover points, prior to the rays striking the associated target surface. Most of the light rays striking the walls of the first segment near the closed end of the reflector are having crossover points near the light source. Most of the light rays striking the walls of the first segment progressively further away from the closed end of the reflector are having crossover points located progressively closer to the associated target surface. The other segments direct nearly all of light rays incident on the walls of the other segments towards a portion of the associated surface.

Abstract: An illumination system with a prescribed output pattern comprising a light source and an optical lens redirecting the light of the source into an output beam, the lens with multiple surfaces at least one of which has a shape that is not a surface of revolution, the shape generated by the following method: on the Gaussian sphere of directions of the output beam exiting the surface of the lens, in accordance with the prescribed output pattern, establish a first grid of equal-flux zones of solid angle; on a portion of the Gaussian sphere of directions of the light emitted from the source into the interior of the lens, establish a second grid with the same number of equal-flux zones of solid angles as the first grid, with a coordinate-system topology congruent with that of the first grid, such that the zones of the second grid are in one-to-one correspondence with the zones of the first grid, with the flux of each zone in proportion to its corresponding zone of the first grid, according to the local transmittance

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 light radiation beam emitted by a source with finite dimension, integrated within a transparent plate, in contact therewith, is initially reflected inside the plate by a first reflecting or semi-reflecting planar surface towards a second planar reflecting surface. Both reflecting surfaces are constituted by portions with an irregular profile provided in the two faces of the transparent plate, without applying a reflective coating.

Abstract: An improved LED lamp having a uniquely shaped envelope to distribute the radiated light energy into a uniformly distributed spherical pattern. This novel lamp allows a 360 degree viewing angle in a horizontal plane about its central vertical axis, as well as, a 360 viewing angle about the vertical circle. The present invention utilizes a uniquely designed concave lens to establish a focal point within the envelope to re-radiate the radiant energy in a more efficient manner thereby creating a higher intensity without increasing the input power. Conventional LED's have a directional conical shaped pattern of concentrated light energy that provides suitable use in panel indicator lamp applications.

Abstract: In a lighting unit for projecting forward diverging light emitted from a light source, a prism is disposed forward of the center of the light source. The prism has a first light incident surface through which light emanating obliquely forward from the light source enters the prism, a total reflection surface which reflects forward in total reflection light passing through the first light incident surface, a second light incident surface which is a positive refracting surface and through which light emanating mainly forward from the light source enters the prism and a light emanating surface through which light passing through the second light incident surface and light reflected by the total reflection surface emanate from the prism. A reflecting mirror reflects mainly forward light emanating sideways and rearward from the light source.

Abstract: The invention relates to a light pipe which includes a more effective light collector which transmits a larger amount of illumination to a lens located adjacent the light pipe. A lamp assembly includes a housing having walls defining a chamber and an open front. A lamp is mounted in the housing as well as a lens which covers the open front of the housing. The lens has a portion which extends laterally of the housing chamber. A light pipe is mounted to the housing adjacent the lens for collecting and distributing the light from the lamp along the laterally-extending portion of the lens. For more effective transmission of the light in a light distribution portion of the light pipe, the light-distributing portion can be provided with grooves along a surface distal from the lens to direct light from the light-collecting portion toward the lens.

Abstract: An electric lighting device that uses a concave reflector to collect and concentrate the light emitted by a plurality of luminescent light sources. The cooperating relationship between the orientation of the light sources and contour of the reflector increases the parallelism of the light beams projected from the device so that they can combine to form a composite beam. The spatial relationship between the light sources and the inclusion of a light transmitting medium reduce overheating and increase the efficiency of the device.

Abstract: A pole light system for marine craft, which is easily mounted and dismounted and includes a base receptacle having a keyed socket, and a pole having a light assembly at one end and a plug at the other end which is keyed to be received in the socket, whereby insertion of the pole into the socket is limited to a preselected orientation which will permit the use of wiping, self-cleaning electrical contacts on the pole and receptacle. The light assembly includes a base which is securable to the pole, a planar reflector disposed on the base, a hemispherical Fresnel lens which, together with the reflector, define a volume wherein a light bulb is disposed via a two-part, wire form retainer. The reflector which is generally positioned below the lightbulb, in combination with a hemispherical Fresnel lens, efficiently utilize light emitted from the bulb, so that a lower wattage bulb requiring less energy and producing less heat can be used to achieve a desired illumination in a smaller light assembly.

Abstract: The optical receiving body for at least one LED has an optical member with a receiving chamber for receiving the at least one LED. The LED emits light in a main direction of light emission. The receiving chamber has an inner wall with a parabolic wall section. The parabolic wall section is a first reflective surface for light beams emitted by the at least one LED. The exterior surface of the optical member is provided with at least one second reflective surface.

Abstract: A neon light box which uses a C.C.F.L. and a light guide to provide a more uniform and brighter light source than in prior art devices. The neon light box has ferro-metallic bars on the window and the top cover, to which a transparent cover with magnetic bars fixed thereon is attached to provide a space for displaying an advertisement slide. The light box uses metal bars mounted to a top cover and window to compensate for the height difference between the top cover and the window, so as to create a smooth surface when used in conjunction with a transparent cover.

Abstract: An inpavement light fixture for mounting in an airport runway or a taxiway having a cover with a flat surface and one or two windows for the passage of a light beam. An optical prism is detachably mounted in a cavity formed in the cover beside and beneath each window. The prism has three flat sides forming an equilateral triangle with two of the sides sloping upwardly to a top edge positioned at a top of its window. A special sealing member fits over the prism and preferably covers one of the two sides which slope upwardly. This member extends about a lower portion of the prism and forms a water tight seal. An electric light is mounted in a bottom receptacle on which the cover is supported. A light channel is formed in the top of the cover and extends from each window towards an edge of the cover. This channel has a bottom which slopes at a small angle to the flat top.