Abstract: A foldable reflector screen includes a flexible, cloth-like reflective element having an inside and an outside, a supporting and tensioning structure arranged to support the reflective element on the outside, and a carrier element including at least one lamp and mounting the supporting and tensioning structure. The reflector screen has an open state in which the reflective element forms an essentially rotationally symmetrical body having an axis of rotation and has a light outlet opening. The reflective element comprises at least two reflective sections. The two reflective sections have in each case a different geometrical shape in a section containing the axis of rotation of the reflective element.

Abstract: A metallic reflector device having one or an array of individual reflector elements for positioning over a corresponding one or array of light sources, preferably comprising one or more light emitting diodes (LEDs). The metallic reflector device includes a planar base and a plurality of the reflector elements. The planar base has one or a plurality of apertures, each aperture having an edge that defines a proximal rim of the reflector element. Each reflector element includes an annular sidewall having an inner surface that extends from the proximal annular rim to a distal annular rim. The proximal annular rim defines a first opening through which direct and reflected light from a light source is emitted. The distal annular rim defines a second opening through which the light source is disposed. The inner surface of the annular sidewall is formed from the material of the planar sheet by mechanically deforming the planar sheet, such as by stamping or drawing.

Abstract: An illumination system is provided, including a plurality of first illumination units, a plurality of second illumination units, a projecting adjusting module and a focus adjusting module. The projecting adjusting module is connected to the first illumination units to adjust the projection pattern. The focus adjusting module is connected to the first and second illumination units to adjust the focus position of the illumination units.

Abstract: Light reflectors and flood lighting systems for illumination and lighting. Each light reflector may include a housing having a plurality of facets, each of the plurality of facets having a shape that is a portion of separate ellipses sharing a common focus. First and second surfaces are defined by first and second planes intersecting along a line within a volume of the body. A light source is positioned near the first surface, at the common focus, and is angularly oriented thereto such that light emitted by the light source is directed into the housing, reflected by at least one of the plurality of facets, and exits the light reflector out of either the first plane or the second plane. The body of the light reflector may include a free-form surface that is generated as the best fit to the plurality of facets.

Abstract: A medical light solidifying device includes a housing box, a rotary work table, a lighting source reflection body, and an LED lighting source set. The rotary work table is rotatably located in the housing box for being placed with a target material. The lighting source reflection body includes at least two reflection masks. Each mask has a reflection wall surrounding the rotary work table. Each of the reflection walls of the two reflection masks respectively has at least one reflection surface. The LED lighting source set is located above the rotary work table and the lighting source reflection body, and includes a plurality of LED units for emitting a beam with a specific wavelength for solidifying the target material. Thereby, the dead zone of the LED lighting source set is reduced so that the usage efficiency thereof is increase, and furthermore the target material can be efficiently and uniformly solidified.

Abstract: An apparatus and method for high intensity lighting includes, in one aspect, a reflector frame having a main portion generally following a surface of revolution of the type that produces a converging beam and a second portion following a surface of revolution of the type that produces a different shape beam. Placement of the second portion in the reflector frame allows shifting of parts of the light beam in desired directions.

Abstract: A vehicle headlight has at least one lens module. The lens module, or each lens module, respectively has a lighting device and a projection lens. Accordingly, at least two lens modules are positioned one on top of the other and at least one reflector is positioned between, in each case, two lens modules which are positioned one on top of the other.

Abstract: In one aspect, a lighting system is disclosed that includes an inner reflector extending from a proximal end to a distal end along an axis, where the proximal end is adapted to receive light from a light source and the distal end provides an exit opening (aperture) for the received light. The system can further include an outer reflector that is axially positioned relative to the inner reflector. The outer reflector extends from a proximal end adapted to receive light from the light source to a distal end that provides an exit opening (aperture) for the received light. The inner and outer reflectors are axially movable relative to one another and are configured such that, beginning in a position with the inner reflector nested within the outer reflector, distal movement of the outer reflector (that is, a movement away from the inner reflector) along the axis about which the reflectors are disposed progressively reduces a flood spread produced by the lighting system.

Abstract: A light fixture for lighting a wall, including a supporting base and at least one light emitting diode (LED) on the base emitting light in a cone having a central axis. A first reflector is curved between a first lip secured to the base adjacent the LED and a second lip spaced from the base, with the central axis of the cone intersecting the first reflector between the first and second lips. A second reflector defines a reflecting enclosure for and includes first and second generally flat surfaces on opposite sides of the LED and substantially symmetrical about a plane which includes the light cone central axis, and a third generally flat surface intersecting both of the first and second surfaces, whereby the first reflector is oriented to reflect light from both the LED and the second reflector in a beam having a selected shape.

Abstract: An electronic flash apparatus includes a flash device, a light emitting device which is different from the flash device, and a concave reflector configured to reflect light beams from the flash device and the light emitting device. The concave reflector includes a flash-device reflecting surface configured to reflect the light beams from the flash device and a light-emitting-device reflecting surface configured to reflect the light beams from the light emitting device. The flash device is disposed inside the concave reflector, and the light emitting device is disposed outside the concave reflector. The light-emitting-device reflecting surface is disposed at a position where a light path of the light beams from the flash device does not exist. The apparatus further includes a light guiding member configured to guide the light beams from the light emitting device to the light-emitting-device reflecting surface positioned inside the concave reflector.

Abstract: An LED lighting module includes a base, a plurality of first LEDs disposed on a top side of the base, and a plurality of reflectors disposed on the top side of the base. The reflectors correspond to the first LEDs, respectively, whereby light generated by the first LEDs can illuminate an area to which a bottom side of the base faces. A plurality of second LEDs are disposed on the top side of the base and located within the reflectors.

Abstract: An LED light-emitting unit comprises an LED element having an optical axis and a reflector covering the LED element. The reflector comprises a light-reflecting unit recessed downwardly from a top surface of a top wall of the reflector and located corresponding to the LED element. The light-reflecting unit has a reflecting face comprising two curved faces intersecting with each other at two lines. The curved faces have axes intersecting with each other. A distance between two intersecting points of the two lines with a cross section of the reflector which is parallel to the top surface of the top wall of the reflector is larger than that between any other two intersecting points of the reflecting face intersecting with the cross section of the reflector.

Abstract: A light source or signaling module for the emission of an illuminating or signaling beam along a main direction, of the type including a light source, a luminous flux recovery mirror made up of a set of reflecting tiles, each reflecting tile being formed of a conical segment with two focal points, the first of which is located on the light source and a second focal point which is located, with respect to the reflecting tile, in a direction parallel to the main direction, each reflecting tile forming an image of the light source. The parameters of the conical segments with two focal points made up of the reflecting tiles are adjusted to confer upon the second focal points pre-determined photometric characteristics, and the images from the light source are directly visible.

Abstract: A reflector emitter includes a combination reflector having at least one elliptical concave mirror shaped as an ellipsoid of revolution section having first and second focal points disposed outside and inside of the ellipsoid of revolution section, respectively. The reflector emitter includes at least one light source at the second focal point. The ellipsoid of revolution section is formed as an ellipsoid of revolution that is cut between its center and the first focal point in a longitudinal section plane and in a cross-sectional plane. An aperture is provided above an other concave mirror having at least one focal point that coincides with the first focal point of the ellipsoid of revolution section. The other concave mirror is formed as a hollow body cut in a sectional plane through its focal point. This sectional plane and the longitudinal section plane of the ellipsoid of revolution section share a common plane of reference and the concave mirrors have opposing faces.

Abstract: A lighting apparatus comprises a housing and a first reflector. The first reflector is mounted beneath the light source and includes a plurality of segmented reflectors, each having at its top, a installation hole and at its bottom, an opening wider than the installation hole. A second reflector is positioned beneath the first reflector. The height of the second reflector causes a first light shielding angle defined by a straight line passing through the installation hole and the bottom edge of the corresponding segmented reflector to be larger than a second light shielding angle defined by a straight line passing through the bottom edge of the segmented reflector and the bottom edge of the second reflector.

Abstract: A zoomable luminaire has a source of light, a primary reflector with entry and exit apertures, and at least one secondary reflector with entry and exit apertures. The source delivers light into the entry aperture of the primary reflector, and the primary reflector delivers the light at the exit aperture of the primary reflector. The luminaire has a retracted position for producing a beam of a first beam angle, where the primary reflector is nested within the secondary reflector and the secondary reflector does not substantially affect the distribution of the light. The luminaire has at least one extended position for producing a beam of a second width, where the exit aperture of the primary reflector is contiguous with the entry aperture of a secondary reflector so that the light is delivered at the exit aperture of a secondary reflector.

Abstract: A light guiding member in a shape of a rod shape comprises a light receiving portion formed on an end thereof in an axial direction thereof, and a knurled recess portion which extends in the axial direction, is formed on a side face thereof, wherein the knurled recess portion has two or more recesses, a side face of each recess in a light receiving portion side is a reflective surface, the reflective surface of at least one of the recesses having a primary reflective surface and a secondary reflective surface.

Abstract: An LED light shaping device and illumination system are provided. According to one embodiment, a light shaping lens is configured to shape light emitted from a light source and direct the light on a display panel for projection. The light shaping lens comprises a light input surface configured to receive light emitted from the light source a reflective surface configured to reflect at least part of the light received by the light source; and a light output surface having a first curvature in a first direction and a second curvature in a second direction, wherein the light output surface is configured to emit the light that is received by the light input surface and reflected by the reflective surface, and wherein the first curvature and the second curvature are configured to shape the light such that the emitted light has an oval cross section.

Abstract: A light emitting diode illuminator includes a reflecting shell (120), a light emitting diode light source (140) and a transparent cover (160). The reflecting shell includes a plurality of sequentially connected hollow tapered bodies (122, 124) having different taper angles. The tapered bodies cooperatively form a receiving space (123). The light source is installed at an end of the receiving space. The transparent cover is disposed at an opposite end of the reflecting shell away from to the light source and configured for directing light emitted from the light source out from the light emitting diode illuminator.

Abstract: A lighting apparatus comprises a housing and a first reflector. The first reflector is mounted beneath the light source and includes a plurality of segmented reflectors, each having at its top, a installation hole and at its bottom, an opening wider than the installation hole. A second reflector is positioned beneath the first reflector. The height of the second reflector causes a first light shielding angle defined by a straight line passing through the installation hole and the bottom edge of the corresponding segmented reflector to be larger than a second light shielding angle defined by a straight line passing through the bottom edge of the segmented reflector and the bottom edge of the second reflector.

Abstract: An exemplary illuminating device comprises a light source module, a light reflective module, a lens array and a light transmissive module. The lens array is for expanding a light field of the illuminating device along a first direction and compressing the light field of the illuminating device along a second direction. The light transmissive module comprises a first surface facing towards the lens array and a second surface opposite to the first surface. The second surface has a plurality of microstructures formed thereon thereby expanding the light field of the illuminating device along the first direction.

Abstract: A vehicular headlamp unit using a light-emitting element as a light source includes a projection lens on an optical axis that extends in a vehicle longitudinal direction, and first and second light source units arranged rearward of the projection lens. The first light source unit includes a first light-emitting clement, a first reflector arranged to cover the first light-emitting clement from above and structured to reflect light from the first light-emitting element forward toward the optical axis, and a first mirror component having an upward-facing reflective surface.

Abstract: A light source (110) is fixed at a position and emits light in a direction away from an optical axis (A) of an objective lens. An outer reflecting mirror (an optical member) (130) and an inner reflecting mirror (an optical member) (140) are provided as a unit so that relative positions thereof are fixed. A reflecting mirror unit (120) can be moved in directions along the optical axis (A), i.e. up and down relative to the light source (110). A free-form curved surface portion (131) of the outer reflecting mirror (130) and a reflecting surface of the inner reflecting mirror (140) reflect light in different directions depending on a position of the light incident thereon.

Abstract: A system and method for lighting structure designs, for example LED packaging, reflector designs and optics in lighting fixture, has been illustrated. In one embodiment, the lighting structure has multiple reflective surfaces such that a first reflective surface and a second surface form a first angle less than 90 degree while the second surface and a third reflective surface forms a second angle of less than 270 degree. The method can be applied in both LEDs package designs and second level optical application designs of a light module.

Abstract: An optical system includes an outer reflector and at least one inner reflector, wherein the inner reflector is disposed within the outer reflector. The outer reflector has a proximal end, a distal end, and an interior surface extending from the distal end to the proximal end. The inner reflector has a proximal end, a distal end, and an interior surface and exterior surface extending from the distal end to the proximal end. The proximal end of the outer reflector is positioned adjacent a light source, wherein the light source is surrounded by the outer reflector's proximal end. The light source emits narrow angle beams of light through the inner reflector and emits wide angle beams of light between the outer reflector's inner surface and the inner reflector's external surface. The positioning and dimension of the inner reflector prevents the light source from emitting wide angle beams of light directly to an illuminated surface.

Abstract: The present invention relates to a reflector for producing an elliptical light image, which is elongate in form, defines a reflector axis (X) and has pairs of side wall reflectors (3) and face wall reflectors (4) lying opposite one another which on their lower side delimit a light outlet opening, the face side reflectors (4) and the side wall reflectors (3) being in the form of simply spherically curved reflector segments, the reflector segments (3, 4) of each pair of reflectors having the same curvature radius, and the angle of inclination ? enclosed by the face wall reflectors (4) in the longitudinal section with the reflector axis (X) being 1.5 to 3 times as large as the angle of inclination ? enclosed by the side wall reflectors (3) with the reflector axis (X).

Abstract: An illumination system adapted for a projection apparatus is provided. The illumination system comprises a cooling air guiding apparatus, a lamp, and a cooling fan. The cooling air guiding apparatus comprises an air intake device and an adjustment device, while the adjustment device comprises an air-flow adjustment element and an air-flow guiding element. The cooling fan generates a cooling air, which flows from the exterior through the air intake device into the air-flow adjustment element. The air-flow guiding element guides the cooling air in the air-flow adjustment element out of an air-flow adjustment hole towards a specific direction. Since the adjustment device may move relatively to the air intake device, the air-flow adjustment hole is adapted to move from the first position substantially aligned with the opening to the second position constituting a substantial displacement with respect to the opening. The cooling air can cool the lamp no matter what angle the projection apparatus is disposed.

Abstract: A backlight unit includes a bottom cover having a bottom surface and side surfaces, a plurality of light emitting diodes installed within the bottom cover for emitting a plurality of lights, a reflection plate within the bottom cover, the reflection plate having a variety of angles for mixing the plurality of lights into a white light, and a diffusion plate attached to the bottom cover for diffusing the white light.

Abstract: The invention concerns a device for producing isotropic ambient light, comprising: at least one extended light source including several punctual light sources spaced apart along two orthogonal axes; a waveguide for propagating by total reflections in a propagating direction perpendicular to the plane, the light beams produced by the punctual light sources; and means for scattering the light in the waveguide output. The dimension of the waveguide along said propagating direction is further sufficient to allow the light intensity curve which is detected, for each light source, in the waveguide output along one of the two axes and in a detecting range corresponding to the waveguide output section along said axis, to have a maximum value (Imax) and a minimum value (Imin) which satisfy the following criterion of quasi-uniformity (Imax-Imoy) ?0.3Imoy and (Imoy-Imin) ?0.3Imoy, Imoy being the average value of the light intensity levels detected along said axis.

Abstract: An LED lamp for use in a display case includes a plurality of LEDs and an optic for redirecting the light to illuminate the contents of the display case.

Abstract: A reflector built in a down light includes a plurality of floodlight openings respectively exposing a plurality of light-emitting elements to a front surface side, a plurality of radial partition walls which respectively partition and surround these floodlight openings, and an inner circumferential partition wall. Each of the partition walls has a ridge line, and the reflector includes a plurality of reflection concave surfaces each which open and widen from a respective one of the plurality of floodlight openings towards ridge lines of the plurality of partition walls which respectively surround the plurality of floodlight openings. The plurality of radial partition walls extend from the center of the reflector towards the outer circumference, and the inner circumferential partition wall is located between the center and the outer circumference.

Abstract: An illumination system includes at least one illumination module and a mechanism. The illumination module includes a light source generating a light beam, a first reflector, in which the light source is positioned, including a first reflective surface to reflect the light beam to form a first beam, and a second reflector including a second reflective surface reflecting the light beam and the first beam to form a second beam and a third beam, wherein the second and third beams combine to generate a projection pattern. The mechanism adjusts the position of the second reflector relative to the light source to change the projection pattern.

Abstract: A reflector assembly includes a frame that maintains the integrity and shape of a multi-member reflector for a recessed luminaire. The members of the reflector are arranged in a geometric form, such as a rectangle. The frame is disposed around the reflector. The frame includes at least one integral member manipulated around a joint formed between adjacent members of the reflector. For example, the integral member can include a clamp or tab. The frame and the integral member secure the positions of the members of the reflector relative to one another and prevent light from leaking through joints between the members. One or more connectors are coupled to the frame for connecting the reflector assembly to a lighting fixture. For example, each connector can include a torsion spring coupled to a lever configured to engage a corresponding catch of a collar on the lighting fixture.

Abstract: The elongate luminaire for creating colored illumination has a plane of symmetry S in which lamp holders (6,7) are present to accommodate lamps of different colors. A first and a second opposite concave reflector (1,2) have elongate flat facets (11,12,13,14; 21,22,23,24). A third reflector (5) bridging the first and the second reflector (1,2) is present opposite a light-emission window (4). The luminaire is capable of providing evenly colored illumination without the need for a diffuser.

Abstract: A lighting assembly utilizing a reflective body for use with a light source to uniformly disperse the light from the light source. The reflective body includes a lower array of first reflectors arranged about a central axis. Each of the first reflectors form an obtuse angle with the next adjacent first reflector. The reflective body also includes an upper array of second reflectors arranged about the central axis. Each of said second reflectors include a left face and a right face. The upper array defines obtuse angles between next adjacent second reflectors. Additionally, reflex angles are defined between the left and right faces of the second reflectors. The combination of angles evenly disperse the light supplied from the light source to provide a pleasant glow for illuminating an area below the lighting assembly without causing hot spots.

Abstract: An apparatus, method, and system for lighting target areas with bollard or pagoda style or type lights in a controlled and efficient manner. The apparatus includes a housing with a light source, optic system, and a control circuit. The light source and optic system are configured to produce a highly controlled output beam pattern and shield from normal viewing angles direct sight of the source. This enables control of glare and spill light which can improve effectiveness, efficiency, and energy usage.

Abstract: A diffusion plate having microstructures with two lengthy and slant faces and its relevant backlight module as well as optical device includes an optical base and a diffusion plate with pluralities of microstructures; wherein, the microstructures on the optical base are located by different allocation, and an angle is defined by the cooperation of two longitude and slant faces of each microstructure. The above arrangements substantially impinge on controlling the light return and transmission of the backlight module or the optical device including a brightness enhancement film, a light source, and a reflecting plate disposed thereon, thereby increasing the uniformity of backlight through the optical reflection and refraction.

Abstract: Disclosed are a light guide member and a keypad assembly including the same. The light guide member includes a light guide plate for guiding light propagated inside, and at least one recess formed in a direction perpendicular to a direction of guidance of light coupled to the inside of the light guide plate so that light guided by the light guide plate is reflected to the light guide plate. The keypad assembly includes a keypad having at least one key button and an elastic sheet fixing the key button, a light guide member positioned beneath the keypad, the light guide member having a light guide plate for guiding light coupled to an inside and at least one recess for reflecting light guided by the light guide plate to the light guide plate, and a switch pad positioned beneath the light guide member so as to establish an electric contact when the key button is pressed.

Abstract: A lighting device with a light emitter includes OLEDs of at least two different primary colors. The light emitter is followed by a primary optics, e.g. a collimator or a lens, and a tapered tubular reflector with a diameter that increases from its narrow end to its wide end. The light emitter may include concentric rings of different OLEDs.

Abstract: A substrate structure includes a substrate, a plurality of point light sources, a first wall and a plurality of convex members. The point light sources are disposed on the substrate. The first wall is on a long side of the substrate and substantially perpendicular to the substrate. The convex members extend from the first wall along a direction that is substantially perpendicular to the substrate. The convex members keep away the point light sources from optical sheets when installing the substrate structure into a frame. Moreover, a side-entrance lighting structure is disclosed.

Abstract: A reflector assembly for a lighting apparatus, the reflector assembly comprising two or more reflector modules configured for associating with one or more light sources, each reflector module comprising one or more reflectors for being located adjacent to a light source when the reflector module is associated with the one or more light sources, the one or more reflectors configured to reflect light from the adjacent light source. The reflector modules may further comprising a cover plate defining a plurality of light source apertures for allowing a light source to protrude through the cover plate, at least a first of the one or more light source apertures disposed adjacent to an overhead reflector and at least a second of the one or more light source apertures disposed adjacent to a lateral reflector.

Abstract: The present invention discloses a backlight unit having a reflecting device to enhance light directivity. The backlight unit comprises a light source module, comprising at least one light source, and a reflecting device. The reflecting device is provided to surround the light source or light source module and comprises a first surface. Besides, the first surface comprises at least two planes where every two planes are connected with an included angle more than 90 degrees and less than 180 degrees.

Abstract: A lighting apparatus having a base member and a directional member are shown and described. The base member includes a first surface having a plurality of reflective elements extending therefrom. The base member also including a plurality of openings arranged in a pattern. Each openings is configured to receive a respective light source. The directional member has a portion of a reflective surface positioned relative to at least one opening to reflect light radiating from a lighting source disposed within the opening towards a portion of at least one of the reflective elements extending from the base member.

Abstract: A lamp reflector includes a reflector cup having an enlarged end and a narrow end being opposite to the enlarged end. The narrow end gradually is expanded toward the enlarged end. The reflecting cup has multiple tiers longitudinally formed thereon along the axis. Each tier has a convex surface annularly formed on an inner periphery thereof for scattering light beams emitted from different angles. Each convex surface has multiple concave faces respectively radially formed thereon for condensing light beams emitted from different angles.

Abstract: A cylindrical light source comprises multiple LEDs mounted on either the exterior or interior surface of the cylinder, with heat-sink fins respectively on its interior or exterior. The LEDs emit radially, but their emission is redirected along the cylinder axis by individual ellipsoidal reflectors.

Abstract: A backlight module unit and a backlight module are provided. The backlight module unit includes a first light source, a second light source, and an optical barrier. A light source interval is defined between the first light source and the second light source, while a barrier interval is defined between the optical barrier and the second light source. Because the barrier interval is substantially shorter than a half of the light source interval, the backlight module unit mixes the light evenly, and prevents the dark bands from forming due to the disposition of the optical barrier. Thereby, the backlight module that comprises the plural aforesaid backlight units will have no dark bands, mix light evenly, and be thin overall.

Abstract: An apparatus and method for high intensity lighting includes, in one aspect, a reflector frame having a main portion generally following a surface of revolution of the type that produces a converging beam and a second portion following a surface of revolution of the type that produces a different shape beam. Placement of the second portion in the reflector frame allows shifting of parts of the light beam in desired directions.

Abstract: A reflector for the lighting device and an illumination system of the projection apparatus are provided. The reflector comprises a first reflecting structure and a second reflecting structure disposed on the portion of the first reflecting structure. The reflecting surfaces of the first and second reflecting structures are formed with a distance therebetween. After the first portion of the light is reflected from the first reflecting surface and the second portion of the light is reflected from the second reflecting surface, the second portion of the light is adapted to remove the centrally dimmed area at the opening of the lighting device. Thus, the luminance performance can be improved.

Abstract: An LED includes a circuit board (1), a light emitter (3) mounted on the circuit board (1), and a reflector (4) mounted on the circuit board (1), the light emitter (3) including an LED element mounted on the circuit board (1) and a light-transmitting resin (2) to seal the LED element. The reflector (4) is configured to surround the light emitter (3) and includes an opening (5) which passes through an upper surface and a lower surface is provided at a central position to allow insertion of the light emitter (3), and an inclined inner surface in the opening (6) configured to be upwardly broadened. A reflection film (7) is provided on the inclined inner surface (6) of the opening in the reflector. A outer peripheral edge is a non-reflection film constituted area (8) and, simultaneously, a terminal position identification mark (10) adjacent to the non-reflection film constituted area (8) are provided.

Abstract: A light source lamp unit (10) includes a light source lamp (11), an ellipsoidal reflector (12) and a plate body (19). The plate body (19) is provided behind the reflector (12) with a gap kept therebetween, which has a shape corresponding to the profile of a reflecting portion (122) of the reflector (12). A cooling channel for passing a cooling air is formed between the plate body (19) and the reflector (12). The width of the cooling channel in a direction along an optical axis of the light source lamp (11) is minimized at a part near a neck portion (121) of the reflecting portion (122) and enlarged toward the peripheral edge of the reflecting portion (122) of the reflector (12).