Abstract: The present invention may comprise a reflector for a luminaire comprising: a first reflector means; a second reflector means structured as a ballast reflector; a third reflector means; and a fourth reflector means located and structured to reflect light reflected from the first reflector segment; wherein the reflectors precisely direct light into a desired candela distribution for illuminating surfaces evenly at desired angles.

Abstract: A lamp reflector having a substrate prepared by injection molding a bulk molding compound (BMC). The BMC has a matrix resin mainly including: an unsaturated polyester resin and glass fiber as a reinforcing inorganic filler, and hollow glass spheres in an amount of 10 to 40% by volume based on the BMC as an additional inorganic filler.

Abstract: The present invention is a combination structure for a hollow integration rod, wherein each reflective plate of the hollow integration rod has at least one convexity and at least one concavity. As the hollow integration rod is assembled, each two adjacent reflective plates are wedged by the corresponding convexity and concavity. At last, the structure of the hollow integration rod is fixed by a fixing component.

Abstract: A frontal surface of a light transmitting member disposed in such a manner as to cover a light emitting element from a front side thereof is made up of an ellipsoid of revolution which adopts an optical axis as a center axis thereof and a point on the optical axis which is near the light emitting element as a rear primary focal point thereof. A central region of the light transmitting member positioned near the optical axis is made as a light emitting surface which causes light from the light emitting element to be emitted forward. A circumferential edge region of the light transmitting member positioned outer circumferentially of the central region is made as a light reflecting surface which internally reflects light from the light emitting element so as to be directed towards a secondary focal point of the ellipsoid of revolution.

Abstract: A luminaire for distributing light rays from a light source may include a region configured to contain a lamp. The region may extend along a longitudinal axis of the luminaire. The luminaire may include first and second reflector portions disposed along the longitudinal axis. The first reflector portion may be configured to direct light rays in a direction away from the ceiling, and the second reflector portion may be configured to direct light rays in a direction toward the ceiling. The light source may be between the second reflector portion and the ceiling, with the second reflector portion defining a cusp disposed at a first side of the light source. The first reflector portion may extend through the second reflector portion and beyond the light source to a second side of the light source opposite to the first side.

Abstract: An LED headlamp array having discrete LED light source modules, where each light source module has an LED light source, optics dedicated to each LED light source, and a faceted reflector.

Abstract: A light fixture is shown and described is for illuminating building surfaces or portions thereof, comprising a generally cup-shaped arcuate reflector (10) having an interior (21) provided with a lamp emitting light at least partially reflected or dispersed by an inner surface (27) of the reflector to the building surface or portion to be illuminated, the inner surface of the reflector being subdivided into a plurality of structured segments (15a, 15b, 15c, 15d, 32, 38). The novelty is that the segments each have a surface (31a, 31b, 31c, 36, 37, 40) that is curved toward the interior.

Abstract: A light source bulb is fixedly inserted into a lateral direction to the optical axis Ax at a position below an optical axis Ax. Accordingly, a region lateral to the optical axis Ax on a reflection surface of the reflector can be effectively utilized for light distribution control. Furthermore, a first additional reflector having a reflection surface of substantially-spheroidal shape whose first focal point is at a position coincident with the light source is disposed at a position above the optical axis Ax. A second additional reflector 36 having a reflection surface of a substantially-parabolic vertical cross-sectional profile whose focal point is coincident with a second focal point of the first additional reflector is disposed at a position below the optical axis. As a result, light from the light source is illuminated forward without passing through a projection lens.

Abstract: A vehicular illumination lamp, including four light emitting devices 12 which are disposed in such a manner as to spread about a predetermined point A as a center, a reflector 14 having four reflecting surfaces 14a that are made up of ellipsoids of revolution Er1, which take light emitting centers of the respective light emitting devices 12 and the predetermined point A as primary focal points and secondary focal points thereof, respectively, and a light distribution control member 16, which controls the light distribution of light from the respective light emitting devices 12 that is reflected on the reflector 14 so as to cause the light so controlled to traverse to a front of the lamp, whereby light emitted from the respective light emitting devices 12 is made first to be reflected on the respective reflecting surfaces 14a and is then caused to converge on the predetermined point A.

Abstract: A reflecting apparatus for a backlight module of a plane display is disclosed. The backlight module includes a light guide distal from the reflecting apparatus, and a plurality of diffusers. The apparatus comprises a light source, a reflector, and two substantially parallel sets of partially overlapped light deflectors wherein a gap exists between either two adjacent light deflectors of the same set or one light deflector and the reflector. A portion of emitted light is directed to the light guide after being reflected from the reflector. The remaining portion of light is directed to the light guide either after it has been deflected by the light deflectors or deflected by the light deflectors prior to being reflected by the reflector. Parallel light received at the light guide is deflected to the plane display as a backlight source of the plane display after passing the diffusers.

Abstract: The present invention comprises a method of enhancing illumination by a variety of lamp types through the use of reflective technologies, for example, replacement of expensive high intensity density or mercury vapor lamps with low wattage flourescent tubes having at least one and in some cases, up to three reflective surfaces for focusing otherwise lost light toward a target illumination area. Further, the placement of light sources at the focal point of said reflective surfaces aids in optimizing the amount of light focused in a desired direction.

Abstract: At an upper position of an optical axis Ax between a reflector and projection lens, a pair of left and right first additional reflectors are arranged and a pair of second additional reflectors are arranged on both the left and right sides of the pair of first additional reflectors. Each one of the first additional reflectors reflects light from the light source toward one of the second additional reflectors located on a side opposite to the one of the first additional reflector with respect to the optical axis. Each one of the second additional reflectors reflects, in a forward direction, the light reflected from the first additional reflectors without being transmitted through the projection lens.

Abstract: A projection system and a light tunnel applied in the projection system. The light tunnel comprises a first reflector, a second reflector, a third reflector, a fourth reflector, a light entrance, and a light exit. A distance between the third and fourth reflectors gradually changes from the light entrance to the light exit. The distance between the third and fourth reflectors at the light entrance and the light exit is less than length of each of the first and second reflectors. Thus, the light tunnel can be easily held and applied to various projection systems using various light sources and image generation devices.

Abstract: Light emitting assemblies include a multilayer light emitting panel member that receives light from at least one light source. The panel member may have at least one solid light conducting or transmitting layer and at least one hollow light conducting or transmitting layer.

Abstract: An LED (light emitting diode) illumination device that can generate a non-circular light output illumination intensity pattern. The illumination source including a reflector with a conic or conic-like shape. Further, an LED is positioned at approximately 90° with respect to a central axis of the reflector.

Abstract: A reflector device for a luminaire, said reflector device comprising a pair of resilient sheets positioned one to either side of a spine in the manner of the pages of a book, said sheets when in an unbiased condition lying substantially in two planes intersecting at an obtuse angle and when flexed and retained against the bias of their normal resilience having a doubly arched configuration which forms a reflective surface.

Abstract: A luminaire optical system (10) for an indirect light source including a tubular lamp (12) having a longitudinal axis (22), a first reflector assembly (14) extending parallel to and radially spaced directly above said lamp and a second reflector assembly (16) parallel to and radially spaced from said lamp directly below the lamp. Each of the assemblies includes symmetrical reflectors (22; 24; 30; 32) joining in an apex (26; 34) directly below and above the lamp. The bottom reflector (16) further may include two segments (30a; 30b; 32a; 32b) on each reflecting surface, the segments marking a sharp change in reflecting angle. Most such luminaires will typically also include perforations to maintain useful light profiles. The luminaire according to the present configuration increases the lighting efficiency by minimising any reflections passing back into the tube and ensuring an even spread of light throughout an area being illuminated.

Abstract: The invention provides an LED lighting device and method that produces high intensity, spatially uniform, white light in the near and far fields in a reduced package size that does not significantly heat the surrounding environment, wherein the white light is produced by using a phosphor layer in conjunction with a single LED.

Abstract: An optical system for use in projection based displays includes a plurality of solid state light sources associated with a plurality of total internal reflection based compound hyperbolic emitters, a graduated dichroic filter based device for homogenizing light output from the plurality of solid state light sources, a ferro-electric liquid crystal on silicon device for illumination with light output from the array of solid state light sources, and a polarization diffuser for homogenization of light at the ferro-electric liquid crystal on silicon device, wherein the polarization diffuser is positioned at a point in space, in the optical system, where the size of a beam of light transmitted from the graduated dichroic filter based device is substantially at a maximum.

Abstract: A reflector for a vehicle headlight is described, capable of illuminating the surrounding space according to a predetermined light distribution. The reflector is formed of a plurality of sectors capable of reflecting the light beam emitted by a light source of the headlight and directing it into predetermined regions of said light distribution. The major part of the sectors of the reflector is delimited at least in part by an edge in which the divergence value of the light beam reflected at said edge portions is constant. The sectors delimited by edge portions having lower values of the angle of spread are arranged to direct the light beam reflected thereby into the regions of the light distribution having a higher spatial gradient of illuminance.

Abstract: Optical devices such as backlight assemblies, according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect light approaching at shallow angles as well as normal to the film.

Abstract: A reflector lamp or illumination system comprising a concave reflector having a parabolic or ellipsoidal front section and a spherical rear section with it's focal point just ahead of the focal point of the front section, and a finite light source located at the focal point of the front section. The reflector sections are dimensioned so that light rays from the finite light source which are reflected by the spherical rear section become re-reflected by the front section and distributed more evenly in said projected beam pattern with the energy rays filling back in from the edge to the center.

Abstract: A luminaire for providing increased illumination and efficiency comprising a plurality of reflectors, lamps and electrically connected lamp sockets arranged such that the light reflected off of a reflector is reflected at a generally uniform angle and does not reflect off of any other reflector or lamp surface. The luminaire results in an increased light distribution pattern and greater operational efficiency.

Abstract: Headlight for a motor vehicle comprising a reflector and a light source (S) running transversely to the optical axis (Y—Y) of the reflector and placed near the focal point of the reflector. The transverse light source (S) is placed near the internal focal point (Fi) of an ellipsoidal reflector (R1). The wall of the ellipsoidal reflector has a cutout (1) situated on one side of the plane passing through the geometric axis of the light source (S) and parallel to the optical axis (Y—Y) of the ellipsoidal reflector. A lens (2) with an optical axis parallel to or coincident with that of the ellipsoidal reflector (R1) is placed in front of this reflector, the focal point (3) of the lens being close to the external focal point (Fe) of the ellipsoidal reflector.

Abstract: Constructive occlusion type lighting systems utilize a reflective mask to cover a portion of an active optical surface, typically a Lambertian surface formed by the aperture of a diffusely reflective cavity, in order to distribute radiant energy with a tailored intensity distribution. Adjustment of the parameters of the constructive occlusion system enables the system designer to tailor the system performance to a wide range of applications. As disclosed herein, the constructive occlusion type distribution is combined with a diffuse distribution of a transmissive component, emitted through a wall of the system. For example, a diffusely reflective wall of the cavity may also be partially transmissive, to allow some energy to pass through and provide an additional illumination component, while continuing to maintain the characteristics to support the constructive occlusion component.

Abstract: A method, apparatus, and system including a reflecting device having a plurality of reflecting zones with associated reflectivities for reflecting light from a flash lamp, are described herein.

Abstract: The shape of a reflector is to be made conspicuous to improve the appearance of a headlamp assembly. A headlamp assembly includes electric bulbs, a reflector, a lens and a case. Between the reflector and the case are formed gaps which result from a difference in shape between the reflector and the case. Blindfold portions are formed integrally with the reflector for filling the gaps. The blindfold members are provided with reflecting surfaces which project a black portion of the ground or of an inner surface of the case. With the reflecting surfaces of the blindfold members, a contrast is created between the blindfold member and reflecting surfaces of the reflector to make the reflecting surface shape of the reflector conspicuous.

Abstract: A light barrier and/or light reflector for PCB-mounted LED's has reflective walls defining interior chambers which redirect the light from the LED's in a substantially orthogonal direction and shield each LED from the light emitted by adjacent LED's. The device is particularly suited for redirecting light from LED's on a PCB to a status indicator panel thereby replacing conventional light pipes.

Abstract: A lamp unit (23) mounted above a front fender (7) for a wheel (6) of a motorcycle includes left and right head lamps (23a, 23b), a single lens member (23d) positioned forwardly of and covering the head lamps (23a, 23b), and a mirror finished body (29) positioned rearwardly of the lens member (23d). The mirror finished body (29) includes a first mirror surface area (29a) aligned with an intermediate portion of the lens member (23d) extending vertically, and left and right second mirror surface areas (29b) continued from the first mirror surface area (29a) extending horizontally along a lower edge of the lens member (23d). The mirror finished body (29) is formed to reflect an image of the fender (7) when viewed either from front or slantwise from front.

Abstract: A display device used for a display unit of portable electronic equipment, a light source device therefor and a light guide plate, suppressing dispersion in the brightness and featuring a high contrast and a good display quality. The constitution includes a light incidence surface on where light emitted from an LED falls, a light reflection surface formed facing the light incidence surface and reflects light from the light incidence surface, a light outgoing surface arranged between the light incidence surface and the light reflection surface, and has a circularly polarizing plate intimately adhered onto the surface thereof, and an opposing surface formed facing the light outgoing surface and in which there are alternately arranged first opposing surfaces for guiding the incident light to the light outgoing surface as well as to the light reflection surface, and second opposing surfaces for emitting the light reflected by the light reflection surface through the light outgoing surface.

Abstract: The headlamp is provided with a main reflector having a main reflecting surface, a light source, a projector lens, a first subreflector having a first sub-reflecting surface, a second subreflector having a second sub-reflecting surface, and a third subreflector having a third sub-reflecting surface.

Abstract: An LED illumination unit uses a first reflector comprising a reflecting surface formed as a surface of revolution about a first revolution axis. The LED emits light about a first LED axis towards the reflecting surface of the first reflector. The first LED axis is non-parallel to the first revolution axis and the light emitting area of the first LED unit is positioned substantially at a focus of the reflecting surface. The reflector may also have two or more reflecting surfaces for collecting and directing light from two or more respective LEDs.

Abstract: A fluorescent light fixture includes a housing having an elongated horizontal top surface with side edges and edges at opposite ends of the top surface. Oblique walls extend from the side edges of the top surface, and flare downwardly and outwardly from the side edges. The end walls extend downwardly from the top surface, the oblique and end walls joining to form a downwardly facing opening in the housing. A plurality of generally downwardly facing reflectors within the housing extend the length thereof. Fluorescent light bulbs are mounted parallel to each other in the housing beneath the reflectors, so that light from the light bulbs reaching the reflectors is reflected generally downwardly. The oblique walls and an end reflector are configured to direct a portion of light from one or more light bulbs under each end reflector in a generally upwardly direction to provide indirect lighting.

Abstract: A low-power high-intensity lighting apparatus includes a lamp base, a lamp housing, and a lamp unit. The lamp base includes a parabolic reflector. The lamp housing is mounted on the lamp base, and includes a surrounding wall and an optical condenser. The surrounding wall has a first open end, and a second open end opposite to the first open end. The optical condenser is mounted on the lamp housing at the second open end. The lamp unit is mounted on the lamp base, extends into the lamp housing through the first open end of the surrounding wall, and generates light that propagates toward the parabolic reflector and that is reflected by the parabolic reflector toward the optical condenser.

Abstract: A vehicular lamp including a first lamp component having a first light source and a first reflector, and a second lamp component disposed behind the first lamp component and having a second light source and a second reflector, and front sides of the first and second lamp components being covered by an outer lens; and in this vehicular lamp, the first reflector having an overlapping area that covers the front of the second reflector so that the second reflector appears to be segmented in two or more portions; and light transmission holes through which light from the second lamp component passes being formed in the overlapping area of the first reflector.

Abstract: The invention is an apparatus and method for providing substantially uniform high peak irradiation of a three-dimensional object 12) with at least one curved surface (14).

Abstract: An adverse weather headlamp assembly that comprises a foreground shield with two sides that taper up from a bottom portion to form a triangular shaped shield. The foreground shield can be movable between a blocking position and a pass-through position. In combination with a cutoff shield, the foreground shield reduces the amount of emitted light that can be reflected off of a wet or icy road in adverse weather conditions in order to reduce glare, while still allowing enough light to be emitted for the driver to adequately see the road.

Abstract: A method for using LEDs to supplement natural light in a greenhouse and a support structure for attaching LEDs in a greenhouse so that the plants receive substantially even light distribution from the LEDs and minimal natural light is blocked by the lighting system. A narrow attachment rail is used to suspend a strip of LEDs from the frame structure of the greenhouse.

Abstract: A projection display system has at least one light-recycling illumination system and at least one imaging light modulator. The light-recycling illumination system includes a light source that is enclosed within a light-recycling envelope. The light source is a light-emitting diode that emits light, an a fraction of that light will exit the light-recycling envelope through an aperture. The light-recycling envelope recycles a portion of the light emitted by the light source back to the light source in order to enhance the luminance of the light exiting the aperture. The fraction of the light that exits the aperture is partially collimated and is directed to the imaging light modulator. The imaging light modulator spatially modulates the partially collimated light to form an image.

Abstract: An illuminating apparatus for improving brightness of light, a backlight assembly and an LCD device having the same are provided. The LCD device includes a backlight unit having a lamp for emitting a first light, a light guiding plate for guiding the first light, and a lamp reflector disposed adjacent to the lamp to partially cover the lamp and receiving the first light exited from the lamp, the lamp reflector having a plurality of protrusion portions for diffusing and reflecting the received first light to generate a second light; and a display unit for displaying images in response to the second light, the display unit having a lower substrate, an upper substrate opposite to the lower substrate, and a liquid crystal layer disposed between the lower and the upper substrates.

Abstract: A photon concentrator includes an imaging photon concentrator concentrating photons from a source to an image point and a non-imaging photon concentrator. The non-imaging photon concentrator (NIPC) has an entry aperture coupling to the imaging photon concentrator near the image point. The NIPC also includes an exit aperture wherein the entry aperture is larger than the exit aperture.

Abstract: A vehicle light can include a light source, a major reflecting surface, a projection lens, and a shutter. A first reflecting surface of an ellipse group reflecting surface preferably has a first focus on the light source and a second focus, capable of being inserted in or removed from an optical path from the light source to a second fixed reflecting surface. A first fixed reflecting surface of a parabolic group reflecting surface can include a focus on the second focus of the first reflecting surface, and at least two second reflecting surface elements. The second fixed reflecting surface can include a first focus on the light source and at least two third reflecting surface elements for reflecting light rays that have traveled an optical path from the light source thereto without being reflected by the first reflecting surface.

Abstract: An electromagnetic radiation assembly is described and which includes, a supporting substrate having a region through which visibly discernable electromagnetic radiation forming a signal may pass; first and second electromagnetic radiation emitters are provided and which are positioned adjacent to one of the surfaces defined by the substrate, and which, when energized, emit electromagnetic radiation; and a single reflector is disposed in eccentric reflecting relation relative to the first and second electromagnetic radiation emitters, and wherein emitted electromagnetic radiation is reflected by the single reflector and passes through the supporting substrate region which passes electromagnetic radiation, in different directions.

Abstract: A light source device includes: a light-emitting tube including a light-emitting portion; a reflector including a neck portion provided with an insertion hole to which the light-emitting tube is inserted, and a reflecting portion integrally formed with the neck portion and having an ellipsoidal curved reflecting surface. The light-emitting tube has a sub-reflection mirror that covers substantially front half of the light-emitting portion. The reflector has a step formed between the peripheral edge of an opening end of the insertion hole near the reflecting surface. The external diameter of the step is larger than the external diameter of the sub-reflection mirror while the external diameter of the step is within the internal diameter of a valid reflection area of the reflector, the internal diameter being defined by a focal position on the front side of the reflector and the outer periphery of the sub-reflection mirror.

Abstract: A lamp has a deformed lamp reflector and a lamp front glass. The deformed lamp reflector is formed by deforming a paraboloid of revolution of a conventional lamp reflector to an aspherical reflection surface which is rotationally symmetrical with respect to an optical axis. The lamp front glass is obtained by deforming the incident plane of a conventional lamp front glass to an aspherical lens surface rotationally symmetric with respect to the optical axis. A light flux radiated from the center point of the light source of an illuminant is reflected by the deformed lamp reflector, and is output through the lens as a parallel light flux having a circular cross section equal in area to the lens.

Abstract: The invention proposes an illumination module (10) producing an illumination beam with cutoff, comprising, arranged from back to front along a horizontal optical axis (A—A), an elliptical reflector (12) which delimits a volume of reflection and which has an elliptical surface of reflection (18, 20), at least one light source (14) which is arranged in the vicinity of a first focus (F1) of the reflector (12), and a convergent lens (16) whose focal plane is arranged in the vicinity of the second focus (F2) of the reflector (12), characterized in that the reflector (12) has a horizontal flat surface (22), the upper face (24) of which is reflective, which delimits vertically towards the bottom the volume of reflection, and in that the flat surface (22) of the reflector (12) has a cutoff edge (28) which is arranged in the vicinity of the second focus (F2) of the reflector (12). The invention also proposes a lamp comprising such an illumination module.

Abstract: An illumination obscurement device for controlling the obscurement of illumination from a light source which is optimized for use with a rectangular, arrayed, selective reflection device. In a preferred embodiment, a rotatable shutter with three positions is placed between a light source and a DMD. The first position of the shutter is a mask, preferably an out of focus circle. This out of focus circle creates a circular mask and changes any unwanted dim reflection to a circular shape. The second position of the shutter is completely open, allowing substantially all the light to pass. The third position of the shutter is completely closed, blocking substantially all the light from passing. By controlling the penumbra illumination surrounding the desired illumination, DMDs can be used in illumination devices without creating undesirable rectangular penumbras.

Abstract: An apparatus and method are provided for providing substantially uniform illumination. The apparatus includes an elongate reflector housing with an inner surface having a substantially constant profile in cross section which is generally concave, an optical center being defined at a geometric focus of the profile of the inner surface. In a preferred embodiment, substantially uniform illumination is achieved by providing an elongate light source positioned within the elongate reflector housing such that a geometric center of the light source is situated preferably spaced outwardly from the optical center of the housing, away from the inner surface of the housing.

Abstract: A backlight unit includes a light guide panel where a holographic pattern is formed. A point light source emits light to an edge of the light guide panel. A refractive member is provided between the point light source and the light guide panel and reduces an azimuth angle of light incident on the light guide panel. The refractive member includes, from an optical axis of the point light source, a light transmission zone transmitting light as it is, a blaze zone where a blaze pattern having a saw-toothed shape in which one surface near the optical axis and substantially parallel to the optical axis is formed, and a prism zone where a triangular prism pattern is formed. The backlight unit may further include a diffusive member diffusing light emitted from the point light source to be incident on the refractive member.

Abstract: The invention relates to a lighting element comprising an insulating plate (2) and two rows of LEDs (3, 4) which are fixed to the top and bottom of said plate. The LEDs are connected in series or/in parallel and both ends of said plate are provided with electrical contacts (5, 6) which are connected to the LED branches and which are intended to be fixed to the electrical supply terminals (9, 10).