Abstract: An illuminating device for linearly illuminating a flat object, in particular a bank note, includes at least one or a plurality of linearly disposed light sources, a mirror arrangement serving as a reflector that extends in parallel to the linearly disposed light sources, with an optical axis perpendicular thereto. The mirror arrangement includes plane mirrors, with at least one first mirror having a structure, which images the light source to form at least one linear image in parallel to the mirror arrangement. At least one second mirror images the at least one linear image to form a linear illumination in parallel to the mirror arrangement on the optical axis or in the proximity of the optical axis.

Abstract: An LED light source is formed of an LED and an angle control lens. The angle control lens includes a transparent member in a shape of a rotational symmetry, and includes a center convex curved surface area (light-emission area) A1, a peripheral curved surface area (light-emission area) B1, a peripheral curved surface reflection area C1, a center concave curved surface area (light-incidence area) D, and a convex curved surface area E formed between the areas A1, B1. The convex curved surface area E is formed in a position for receiving direct incoming light from the LED (direct incoming light deviated from the center portion), and is optically constructed to anteriorly emit this received light (in a direction intended to be emitted as a result of a light-emission angle being controlled).

Abstract: A fluorescent lamp fixture includes a housing (10), an elongate reflector (30) on one side of the housing (10) with two sets of fluorescent lamp sockets (24, 26) extending from the reflector (30) and a refracting lens (52) extending over the reflector (30) and fluorescent lamp sockets (24, 26). A second reflector (44) is positioned to extend across and face the first reflector (30) with two fluorescent lamps (28) mounted between the two reflectors (30, 44). The second reflector (44) includes reflective longitudinal surfaces (46, 48) on either side of the reflector (44) to reflect light from the adjacent fluorescent lamps (28) laterally thereof. The principal reflector (30) is a diffuse reflector while the second reflector (44) is a specular reflector. The specular reflector (44) is mounted to the refracting lens (52).

Abstract: There is provided a multi-mirror-system for an illumination system, especially for lithography with wavelengths ?193 nm. The system includes light rays traveling along a light oath from an object plane to an image plane, and an arc-shaped field in the image plane, whereby a radial direction in the middle of the arc-shaped field defines a scanning direction. The first mirror and the second mirror are arranged in the light path in such a position and having such a shape, that the edge sharpness of the arc-shaped field in the image plane is smaller than 5 mm in the scanning direction. Furthermore, the light rays are impinging on the first mirror and the second mirror with incidence angles ?30° or ?60° relative to a surface normal of the first and second mirror.

Abstract: A luminaire for mounting on a vertical surface is provided, the luminaire including a housing having an aperture, a lamp disposed within the aperture and configured to emit light through the aperture to the vertical surface and to an associated worksurface, and a lamp distribution modifier disposed within the aperture proximate to the lamp, where the lamp distribution modifier is configured to intercept light rays emitted by the lamp in a direction toward an upper portion of the vertical surface.

Abstract: A light production system and apparatus for adjusting the uniformity of light is provided. The apparatus comprises a light reducing portion, having an area less than that of an exit of an integrator, for reducing the brightness of a central area of light emitted from the exit. The apparatus further comprises a mounting portion for mounting the light reducing portion in general longitudinal alignment with a center of the exit, the mounting portion enabled to transmit the light emitted from the exit.

Abstract: A light reflector assembly for providing selective direct and indirect lighting includes a first section reflecting light from a first light source in a first direction and a second section reflecting light from a second light source in a second direction. The first section and the second section are connected by a central section or by end caps. The first section substantially surrounds a first light source to provide direct lighting for the user, and the second section substantially surrounds a second light source to provide indirect lighting for the user, either at the same time or independently, as desired by the user. The position of the first and second section may be adjusted to control the light dispersed by the light sources as desired by the user, and may further include secondary reflectors or diffusers for adjustment of the light.

Abstract: A hand-held laser pointer is disclosed wherein the laser beam is isolated from unwanted hand tremor motions of the laser pointer housing. A laser beam is directed toward a pair of passively inertially stabilized mirrors disposed within the housing that are biased to a neutral position by a spring and damper. Both the laser beam that exits the housing and the laser dot appearing at a target are minimally affected by laser jitter associated with hand tremor.

Abstract: A display including a light source for generating light, an optical waveguide for receiving and evenly distributing light in a light propagation direction by total internal reflections and a matrix of picture elements constructed on the upper surface of the waveguide, the picture elements including electrically activated micro-mechanical actuators having optical properties for modulating light to produce an image.

Abstract: Lighting module, for a headlamp, provided to produce a cut-off beam, this module admitting an optical axis and comprising: a folder arranged so as to allow the passage of the light rays originating from a first reflector, which intersect, in orthogonal projection in the substantially vertical plane comprising an optical axis, the optical axis of a second reflector between a focus and peak of the second reflector, and to reflect the rays originating from the first reflector which would intersect the optical axis of the second reflector on the side remote from the peak relative to the focus of this second reflector, with the second reflector located below the horizontal plane passing through the optical axis.

Abstract: A light fixture includes a lamp engine, an electronic module connected to the lamp engine and a photometric module mounted to the light engine. The electronic module is connected to the light source and an associated power source for providing power to the light source. The photometric module mounts to the light engine and creates a beam pattern that illuminates a substantial portion of an entire associated subject area. The method of illuminating a large area includes determining a subject area to be illuminated by a plurality of light sources and determining a desired lighting criteria for the subject area. A first light source is provided and light emitted from the first light source is directed to illuminate the subject area. Additional light sources are provided and directed to provide additional light to illuminate the same portion of the subject area until the desired lighting criteria are met.

Abstract: This invention relates to a luminaire (106), which has a housing (103) with an opening (111) at a light output side, a reflector (105) mounted in the housing, and facing the light output side, a louver (107) mounted at the opening of the housing, and LEDs (109) mounted in the louver, such that the emitted LED light exits the luminaire only after reflection against the reflector, thereby providing indirect light output.

Abstract: The invention provides an illumination system that can include a first reflecting mirror arranged on a rear side of a light-emitting portion of the illumination system including an arc tube, and a second reflecting mirror arranged on the front side of the light-emitting portion of an optical system.

Abstract: A light fixture for fixing to a building or building surface has a trough-shaped reflector having first and second side walls forming a light outlet and a reflective inner surface, each of the side walls having a planar section. A diffuser is mounted on the outlet. A plurality of LED's of different colors on the planar sections are positioned such that a predominant portion of the light emitted by the LED's on one of the side walls only reaches the diffuser element after reflection off the other side wall.

Abstract: A light source device includes: a light emitting tube having a light emitting portion that generates light by an electric discharge between a pair of electrodes and first and second sealed portions provided on either side of the light emitting portion; a main reflecting mirror provided along the first sealed portion of the light emitting tube and having a main reflecting portion that reflects light radiated from the light emitting tube so as to converge at a predetermined position; and a sub-reflecting mirror provided along the second sealed portion of the light emitting tube and having a sub-reflecting portion and a base portion, the sub-reflecting portion sending light radiated from the light emitting tube toward a side opposite to the main reflecting mirror back to the light emitting portion of the light emitting tube, and the base portion being provided at a side of the second sealed portion of the sub-reflecting portion and formed in a stepped manner with respect to the sub-reflecting portion.

Abstract: A light guiding apparatus for a computer bezel includes a panel (14), a guiding member (30), and a shielding member (50). The panel has a light-pervious member (144). The guiding member is attached to the panel for guiding light therein. The guiding member has a light-reflecting cavity with a mouth (37) coupled to the light-pervious member. The shielding member is situated between the panel and the light-pervious member. The shielding member includes a shielding board (56) for covering the mouth, and an axle (54) traverses the shielding board. The shielding member is pivotable with respect to the guiding member between a closed position where the shielding member is horizontal to cover the mouth and an open position where the shielding member is vertical to reveal the mouth.

Abstract: A light diffusion device permits a single light source to serve as both direct lighting and fill lighting for a photographic, theatrical or cinematographic subject. The light diffusion device partially reflects light emitted from a light source away from the subject, using a translucent panel. Additional translucent panels permit the reflected light to escape from the light diffusion device into the surrounding environment. The escaped light reflects from the surrounding environment, thereby creating fill light around the subject, thus reducing or eliminating undesirable shadowing.

Abstract: The invention relates to an illumination device which comprises a plurality of downlight reflectors (1) that are impinged upon by illumination means and that have respective front reflector openings (2) pointing in the direction of illumination. The invention is characterized in that at least two downlight reflectors can be impinged upon by a common illumination means (5) via respective rear reflector openings.

Abstract: A light fixture has an elongated housing having a floor and side walls defining a transversely open and longitudinally extending outlet and a light source extending longitudinally in the housing. A U-section asymmetrical primary reflector extending longitudinally in the housing between the source and the floor is oriented to reflect light from the source out through the outlet. Two longitudinally extending generally triangular-section secondary reflectors extend longitudinally spacedly adjacent one another between the source and the outlet. The secondary reflectors have outwardly concave first sides directed toward each other, concave second sides directed away from each other, and outwardly concave third sides directed toward the source. Thus light from the source is directed back toward the source and the first reflector by the third sides, is scattered outward through the outlet by the second sides, and is directed outward through the outlet by the first sides.

Abstract: The invention provides an illumination system that can include a first reflecting mirror arranged on a rear side of a light-emitting portion of the illumination system including an arc tube, and a second reflecting mirror arranged on the front side of the light-emitting portion of an optical system.

Abstract: A module for projecting a light beam comprises a light source and a substantially flat support surface on which the source is arranged in a manner such as to emit light from only one side of the surface, and a reflector for reflecting the light emitted by the source. The reflector comprises a curved reflecting surface which extends on one side of the support surface, has a concavity facing towards the support surface, and can reflect the light coming from the source in a principal direction substantially parallel to the support surface of the source. An optical device for a module according to the invention and a vehicle front light assembly comprising a plurality of modules according to the invention form further subjects of the invention.

Abstract: An exemplary optical plate includes a transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a diffusion layer, and a lamp-receiving portion. The bottom surface is opposite to the light output surface. The diffusion layer is formed on the light output surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided.

Abstract: A lighting device can include at least one LED light source having at least one LED chip, the LED light source being configured to impart a certain directivity to light emitted from the LED chip in a direction of the optical axis of the light source. A first reflector can be disposed in front of the LED light source and upwards with respect to the optical axis. The first reflector can also extend forward and above the optical axis in an inclined manner from a first side to a second side so as to reflect part of light emitted from an upper part of the LED light source with respect to the optical axis. A second reflector can be disposed substantially in parallel to, and below, the first reflector. The second reflector can be configured to reflect light from the first reflector. A third reflector can be disposed in front of the LED light source and downward with respect to the optical axis.

Abstract: A vehicle headlight can project a low beam and a high beam in a reasonable and efficient fashion and does not require a maximum output during high beam illumination, which is low in frequency of use. A light source can be arranged so that a main optical axis thereof forms an angle of approximately 30° to 60° with respect to a front-to-back direction of a vehicle/vehicle headlight. An extremity of the light source can extend toward the front and side of the vehicle. Part of a first reflector can be arranged closer to the front and a center of the vehicle than the light source. A second reflector can be configured to collect light from the first reflector and reflect the same light to the front of the vehicle. The second reflector can be located behind and closer to the side of the vehicle than the light source is. A distribution pattern switching unit can be located between the first reflector and the second reflector.

Abstract: A light support comprising a base plate and a light-carrying plate comprising a proximal end mounted to the base plate and being adapted for mounting a light thereon. The base plate comprises an anchoring element, an anti-tipping assembly and a concave support-mounting face. The anchoring element is adapted to be anchored within a penetrable material. The support mounting face co-acts with a surface on which the light support is mounted to. The light support further comprises an auxiliary element that comprises an auxiliary mounting element or an auxiliary anchoring element that can be moveable or stationary.

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 cavity. The light source is a plurality of light-emitting diode that emits light, and a fraction of that light will exit the light-recycling cavity through an aperture. The light-recycling cavity 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: A bollard luminaire comprising a ground-mountable tubular vertical housing having a base portion and an upper portion, an annular lens member atop the housing in substantial axial alignment therewith, an upper reflector at the top of the lens member directing and reflecting light through the annular lens member, the housing and lens member being configured and the upper reflector positioned such that it receives upwardly directed light from below, and an LED module inside the base portion of the housing, the LED module being substantially centrally positioned, oriented for upward light emission, and having LED/optical-element sets themselves providing substantially vertically collimated light. In preferred embodiments, the housing is light-transmissive.

Abstract: A luminaire (1) is disclosed, comprising a main reflector (3) with a light emission window (5), and comprising a counter reflector (7) positioned opposite to the main reflector. Means (9) for accommodating at least one electric lamp (11) are provided in the luminaire in between the main reflector and the counter reflector. The counter reflector is provided with a light-transmitting cover (13), acting as an optical waveguide and positioned at a side (15) of the counter reflector facing away from the means (9). The cover is provided with diffusor bodies (21) which scatter the light coupled into the cover and transmitted through the bulk of the cover. Thus a desired distribution and appearance of the optical brightness of the cover is obtained.

Abstract: A light source device includes a solid light emitting element 1 having a reflection film on the back side, first and second reflection surfaces 2, 3 opposing each other in parallel and substantially perpendicular to a front surface of the solid light emitting element 1 and a third reflection surface 4 substantially perpendicular to the first and second reflection surfaces 2, 3 and opposing the front surface of the solid light emitting element 1. The third reflection surface 4 is inclined to the front surface of the solid light emitting element 1. The reflection film of the element 1, the first, second and third reflection surfaces 2, 3, 4 do constitute a closed polyhedron having an emission opening 5 smaller than a light emitting surface of the element 1. Light emitted from the element 1 is emitted to an outside through the emission opening 5.

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

Abstract: An illumination system is for providing a parallel illumination light beam. The illumination system includes two lamps, and each lamp includes a first lampshade, a burner and a reflector. The lampshade has a light outputting section. A first reflector is connected with the first lampshade, and a portion of the light outputting section is covered by the first reflector. A diverging light is provided by the burner. The diverging light is transformed into a parallel light beam by the lampshade and the first reflector, and the parallel light beam is outputted from a portion of the light outputting section without covering. The illumination system further includes at least one second reflector disposed between the lamps, on the optical path of at least one portion of the parallel light beam. The parallel light beams from the lamps are thereby combined into a parallel illumination beam by the second reflector.

Abstract: A method for transmitting light in an image display system includes generating a first cone of light from a first light source. The first cone of light includes a plurality of light beams. A first portion of the first cone is projected in an illumination path. A second portion of the first cone is projected at a surface of a reflector. The second portion of the first cone is reflected to project the second portion of the first cone in the illumination path. The first and second portions of the first cone are received at an entrance of an integrator rod. The second portion of the first cone increases the intensity of light received by the integrator rod.

Abstract: A light source lamp, in which reduction of the available amount of illumination light on an illuminated region side can be reduced or suppressed, heightens light utilizing efficiency. The light source lamp has a light emitting tube having a luminous part in which a pair of electrodes arranged along an illumination light axis are built, an ellipsoidal reflector which reflects light from the luminous part and emits its reflection light as illumination light to an illuminated region side, and an auxiliary mirror which is arranged on the illuminated region side of the luminous part, has a reflection concave surface of a nearly hemispherical shape, and reflects the light from the luminous part on the ellipsoidal reflector. A center Q of curvature of the auxiliary mirror is arranged in a position distant from a center P of the luminous part to the illuminated region side along the illumination light axis.

Abstract: A vehicular lamp assembly, such as a headlight, can be configured for attachment to a vehicle for providing illumination about the exterior of a vehicle. The lamp assembly can include a light source configured to emit light during use, a lens, first and second reflectors, and an actuator assembly. The first and second reflectors can be positioned to reflect light emitted from the light source through the lens and can be moveable with respect to the light source. The actuator assembly can be configured to move the first and second reflectors with respect to the light source in response to at least one control signal. The lamp assembly can be configured such that, during use, the first and second reflectors are positioned to reflect light from the light source through the lens. A vehicle including a control system and a headlight having multiple moveable reflectors is also provided.

Abstract: An illumination system including a plurality of lamps, a plurality of first light reflectors, a plurality of second light reflectors, and an output light guide. Each of the first light reflectors is arranged to reflect light output from one of the lamps onto an input of one of the second light reflectors, which in turn is arranged to direct light from an output of one the first light reflectors into an input of the output light guide, such that the outputs of each of the lamps is combined into a single output.

Abstract: A light source unit including an arc tube having a light emitting section, sealed sections, an elliptic reflector, and a secondary reflecting mirror to cover the front side of the light emitting sections and reflect a luminous flux radiated from the light emitting section toward the elliptic reflector. The center of discharging emission from the arc tube is disposed at a first focal position of the elliptic reflector, and the secondary reflecting mirror is configured as a separate member from the arc tube, so that the outer peripheral portion of the secondary reflecting mirror is accommodated within a circular cone connecting a second focal position of the elliptic reflector and the distal end of the front sealed section of the arc tube when being mounted to the front sealed section of the arc tube.

Abstract: An illumination system comprises a first light source device, a second light source device and a second reflecting portion. A first reflecting portion of the first light source device covers a part area of an opening of a reflecting shade, and the other area of the opening is formed a first light outlet. The second light source device is installed in front of the opening and has a second light outlet. A second reflecting portion is installed between the first and the second light source devices. After overlapping the optical routes of the multiple light source devices and integrating beams into a parallel light beam, the parallel light beam is then output out of the single light source device. Therefore, the brightness of entirety can be enhanced, and the uniformity of images on the screen is still maintained even one of the light source devices is damaged.

Abstract: An illumination device includes a reflective cover, at least one light emitting diode (LED), a first electrical conductive body and a second electrical conductive body. The reflective cover has an opening, and the LED is disposed therein. The first ends of the first electrical conductive body and the second electrical conductive body are respectively electrically connected to the LED.

Abstract: A machine for magnifying a check with a freshnel lens, a front cover and back cover hingably connected, to hold a credit card bill or restaurant check, to hold a credit card, to hold a writing utensil, and to illuminate the credit card bill or restaurant check.

Abstract: A luminaire for indirect lighting has a main reflector, a counter-reflector with a light emission window in a plane T. The counter-reflector and reflector are oppositely arranged. The main reflector has a reflecting surface built up from a plurality of facets n having a curvature in cross-section. The curvature of each respective facet n is such that light coming from a light emission window and hitting a given facet n is reflected through an angle of reflection ?n<=?n??, in which, ? is a smallest angle of reflection with the plane T at which glare is just counteracted, and ?n is a greatest angle of reflection with the plane T at which reflected light just clears the counter-reflector.

Abstract: A luminaire for distributing light rays from a light source may include first and second reflector sections. The first reflector portion may be configured to direct light rays in a first direction substantially perpendicular to a longitudinal axis of the luminaire. The second reflector portion is disposed along the longitudinal axis configured to direct light rays in a second direction. The second direction may have a directional component substantially normal to the longitudinal axis and the first direction.

Abstract: A light emitting diode light source including a reflective cover and a plurality of light emitting diodes is provided. The reflective cover has an inner surface and an opening for irradiating light. The light emitting diodes are disposed on the inner surface of the reflective cover. The light emitted from the light emitting diodes is incident upon the inner surface of the reflective cover and then reflected toward the opening from the inner surface.

Abstract: An LED light source using back-reflecting collection optics with a supporting structure and heat sink to block only a small amount of light. A reflector has a front and back side with an LED positioned on the front side of the reflector. A heat conducting body is positioned at least partially between the reflector and the LED. The heat conducting body provides a pathway for heat to flow from the LED toward the back side of the reflector.

Abstract: A light source for vehicles can include a base having a cavity formed on its upper surface, an LED chip mounted in the cavity of the base, a resin portion for sealing the LED chip in the cavity, an optical member disposed above the base and apart from the LED chip, a light shielding portion disposed on the inner surface of the optical member and which forms a cutoff suited for a light distribution pattern, and a fluorescent substance layer disposed at least in regions other than the light shielding portion on the inner surface of the optical member.

Abstract: A reflective lamp in which the light source is connected to the reflector through a stirrup and in which either or both the reflector and the light source can be axially adjusted but the light source lies externally of the reflector shell.

Abstract: The invention provides an illumination system that can include a first reflecting mirror arranged on a rear side of a light-emitting portion of the illumination system including an arc tube, and a second reflecting mirror arranged on the front side of the light-emitting portion of an optical system.

Abstract: A luminaire includes at least two lamps and a main reflector whose outer edge defines a light emission window. A counter reflector is provided opposite the main reflector. Light originating from the lamps can only leave the luminaire through the light emission window after passing through a diffuser and/or a mixer which are positioned in a counter light emission window of the counter reflector and on an edge of the counter reflector, respectively. Homogeneously mixed light can thus be obtained from the luminaire when two lamps of different color temperatures are used.

Abstract: An LED is mounted on a circuit substrate, the LED is encapsulated by a transparent resin layer. A reflection layer is provided on the resin layer for reflecting and transmitting lights emitted from the LED.

Abstract: A light source apparatus includes a lamp, an ellipsoidal mirror collecting a part of light radiated from a light transmission plane of the lamp, and a spherical mirror collecting another part of the light radiated from a light transmission plane not collected by the ellipsoidal mirror and reflecting it on the ellipsoidal mirror, in which a reflection plane of the ellipsoidal mirror and the reflection plane of the spherical mirror are in a form of non-rotation symmetry to an optical axis connecting a focal position F1 corresponding to a source of luminescence of the lamp to a focal position F2 of the light collected by the ellipsoidal mirror respectively. The distance between the reflection plane of the spherical mirror and the source of luminescence of the lamp is shorter than the distance between the source of luminescence and the focus of the light collected by the ellipsoidal mirror, and a part of the reflection plane of the ellipsoidal mirror is formed around the optical axis.

Abstract: A vehicle illumination lamp having a light-emitting element including an optical axis, a first reflection surface, a second reflection surface, and a third reflection surface. The third reflecting surface is formed on a plane intersecting the optical axis in such a manner as to include a first focal point and a second focal point of the first reflecting surface.