Abstract: A zoom unit (1) of a light engine (5), comprising at least one lens (2), at least one first reflector (3) and at least one second reflector (4), other at least one lens (2) receives a collimated beam (LI) from a light source unit (6) of the light engine (5), the collimated beam (LI) being incident on the first reflector (3) after being converged by the lens (2), and being incident on the second reflector (4) after being reflected by the first reflector (3), to produce an output beam (L4) with its beam angle changed.

Abstract: An LED lamp specially adapted for use in combination with a concave reflector and to replace the incandescent light sources normally used. The lamp includes two or more light emitting diodes or light emitting diode arrays, each with a specified angle of light radiation, mounted substantially perpendicular to the lamp support and spaced symmetrically around the longitudinal axis of the said lamp support to form a compact consolidated light radiation area with a specified length, width, and height. All of the light radiates outward in a 360 degree radial pattern around and horizontal to the longitudinal axis of the said lamp support and at a specified angle of radiation vertical to the longitudinal axis of the said lamp support. Substantially all of the light emitted impinges on, and is redirected by, the reflector to project a high intensity beam of light with all light rays radiating at the same angle.

Abstract: The present invention relates to an illumination device comprising a number of light sources generating light and a number of light collecting means adapted to collect the generated light and to convert the collected light into a number of light beams that propagate along an optical axis. The light sources are arranged in a first group and a second group of light sources and the first and second group of light sources emits light having different spectral distribution. The light sources and the light collecting means are movable in relation to each other and can be positioned in a number of mixing positions, where in the number of mixing positions the light collecting means are adapted to collect at least a part of the light emitted by the first group of light sources and at least a part of the light emitted by said second group of light sources and to convert the collected light into number of mixed light beams.

Abstract: A portable device having within it a multicolour illumination arrangement comprising: a surface; a plurality of light sources, at least one of the plurality of light sources being capable of generating two or more emission colours; and drive means for causing the emission colour of the at least one light source to vary; whereby the illumination arrangement can produce a varying illumination through at least part of the surface.

Abstract: One embodiment provides a lighting apparatus comprising a lighting base including one or more lighting elements, and a control module for controlling the lighting elements. The lighting apparatus further comprises at least one removable lighting accessory for adjusting light emitted by the lighting elements, and a mounting system comprising at least one removable mounting member. Each mounting member is shaped to engage with and securely mount a lighting accessory to the lighting base.

Abstract: A design of lighting fixture is presented whereby the outer glass lens—flat in prior art lighting fixtures—is bowed outward. The design of lighting fixture permits a plurality of LED modules to be contained therein, each with their own visor, without constraining the aiming angle of each due to interference between the outer lens and each individual visor. In this manner, an external visor may be omitted thereby obviating undesirable lighting effects such as uneven lighting while still maintaining a reduced effective projected area (EPA) as compared to prior art lighting fixtures with no external visor and a flat outer glass lens.

Abstract: A light source system includes two solid-state light sources, two filters, a rotary wheel, a first reflector, a second reflector and a multiband filter is provided. The rotary wheel has a first surface and a second surface opposite to the first surface. The two solid-state light sources and the two filters are disposed in front of the first surface. The first surface includes a first waveband converting region, a reflecting region and a transmission region. The second surface includes a second waveband converting region is symmetrical to the first waveband converting region. The first reflector, the second reflector and the multiband filter are disposed in front of the second surface. Furthermore, the multiband filter is disposed between and optically coupled with the first and the second reflectors. With these arrangements, the light source system could provide light beams of different wavebands to the light valve of a projector.

Abstract: An illumination system includes LED arrays (1, 2, 3) which are packaged on a heat dissipation plate and consist of several LED chips, an optical combining device (4) which can combine the light emitted by respective LED chips to one beam, a focusing lens (5) which can focus the light emitted by the optical combination device to a light-emitting window (11), a transmission type wavelength converter (7) and a control processing device. When white light is provided, the control processing device controls the LED chips with predetermined wavelengths to emit light and the transmission type wavelength converter is positioned into the light path to generate excited light.

Abstract: Methods and systems of emitting different light from a multiple mode light emitting device are disclosed. An exemplary embodiment has a LED portion with a plurality of first LEDs and a plurality of second LEDs arranged in a first ring centered about a central axis, and a rotatable portion with a plurality of light conditioning elements arranged in a second ring centered about the central axis. The plurality of first LEDs emit and the plurality of second LEDs emit different types of light. Each light conditioning element receives and conditions light from one of the plurality of first LEDs when the light conditioning element is in a first position. Each light conditioning element receives and conditions light from one of the plurality of second LEDs when the light conditioning element is in a second position. The light conditioning elements may be reflector cups or may be lens.

Abstract: A recessed light includes an enclosure with a cavity, an opening into the cavity and a mounting surface about the periphery of the opening. An intermediate light assembly including a peripheral frame and a lamp is mounted on the mounting surface of the enclosure. The peripheral frame includes a main frame and extension rings which can be stacked to extend the lamp away from the cavity. The lamp has an array of light emitting diodes on a substrate which is affixed to and thermally integral with a pivotally mounted reflector mounted to the peripheral frame. The reflector provides cooling fins for the array of light emitting diodes. A lens associated with a lens frame is attached to the intermediate lamp assembly.

Abstract: An apparatus, method, or system of lighting units comprising a plurality of individually positionable lighting elements, such as one or more LEDs, each element optionally having an associated optic. In embodiments of the present invention, one or more optics are developed using optimization techniques that allow for lighting different target areas in an effective manner by rotating or otherwise positioning the reflectors, refractive lenses, TIR lenses, or other lens types to create a composite beam. The apparatus, method, or system of lighting herein makes it possible to widely vary the types of beams from an available fixture using a small number of inventoried optics and fixtures. In some cases, by using a combination of individual beam patterns, a small set of individual optics would be sufficient to create a majority of the typical and specialized composite beams needed to meet the needs of most lighting projects and target areas.

Abstract: New optic control systems are provided that manage camera, user or environmental movement and other factors impacting optical and resulting image quality. In some aspects of the invention, a variably, directionally shadable semi-transparent matrix and actuating system is provided, which limits problematic glare for an observation point. In other aspects of the invention, a matrix creates directional light from a plurality of shiftable and angle-directable sources, which may aid in creating virtual, 3-D objects of greater realism than conventional 3-D imaging methods and aid in reducing the appearance of distracting interceding objects (e.g., finger blocking a touch screen). In still other aspects of the invention, electromagnetically actuated optical control techniques, including rotational lenses and sensors, are provided.

Abstract: The invention relates to a variable-spectrum solar simulator for characterising photovoltaic systems. The simulator can be used to obtain a spectrum adjusted to the solar spectrum, both for a standard spectrum or a real spectrum adjusted to local irradiation conditions. The simulator also allows the spatial-angular characteristics of the sun to be reproduced.

Abstract: The present invention relates to an optical light mixer providing a homogenized and uniform light beam where the optical light mixer is formed of a solid transparent material and light enters the optical light mixer through an entrance surface and is reflected through said body to an exit surface where said light exits said optical light mixer. The optical light mixer comprises a first part formed as a pyramid frustum where the top surface of the pyramid frustum forms the entrance surface and a second part formed as a cone frustum and where the bottom surface the cone frustum forms the exit surface. The present invention relates also to an illumination device comprising a number of light sources and such optical light mixer.

Abstract: An illumination assembly for a scanner comprising a light source, a primary reflector and a secondary reflector. The primary reflector comprises a lower member and upper member spaced away from the lower member. The upper member has a heatsink for dissipating the heat of the light source. The light source is positioned between the lower and upper members and is attached to the upper member allowing for decreased vertical height for the illumination assembly.

Abstract: A multi-beam light source device and a multi-beam scanning device including the multi-beam light source device are provided. The multi-beam light source device includes: a light source including: a cylindrical package having a side edge portion which extends in a rotational direction about a rotational axis line defined as a first direction; a plurality of light emitting units which are disposed in the cylindrical package and configured to emit laser light in the first direction; and a housing which holds the light source. The housing has a holder that holds the side edge portion of the cylindrical package to be relatively rotatable in the rotational direction. The holder is formed with at least one opening which exposes the side edge portion of the light source.

Abstract: A light-emitting device includes a light-emitting section, a lens, and a movement control section, the movement control section changing an illumination position and a spot size of a laser beam in the light-emitting section by changing a relative position of the lens with respect to the light-emitting section.

Abstract: The present invention relates to an illumination device comprising at least one light source and a reflector system forming a spotlight (1), one or several actuators (5) arranged to pivot the spotlight (1) relative in a mounting base (4) for varying an illumination angle, and a camera (13) attached to the spotlight (1) and aligned to acquire images of an illumination region (7) to which the spotlight (1) is directed. The spotlight (1) is designed to comprise a central region from which the illumination region (7) is visible and which does not reflect or emit light of the light source towards the illumination region (7), wherein the camera (13) is arranged in said central region on an optical axis (14) of the spotlight (1). With the proposed illumination device an exact aiming of the spotlight (1) can be achieved even in applications in which the illuminated region (7) is close to the spotlight (1) without causing undesired shadows in the illumination region (7).

Abstract: Presented is a design of modular LED lighting fixture whereby the steps of light directing and light redirecting are independent, but cooperative, so to promote a compact fixture design with low effective projected area (EPA), good thermal properties, and a selectable degree of glare control. A lighting system employing a plurality of said fixtures is highly customizable yet has the potential to be pre-aimed and pre-assembled prior to shipping, which reduces the potential for installation error while preserving the customized nature of the fixtures.

Abstract: With a view to providing a light source device and a projector which can rearrange the light collection balance even in the event that the number of illuminated light emitting elements changes as a result of a change in the environment where they are used or in the specifications thereof, a light source device includes a holder 79 having element accommodating portions 79a which each accommodate one of a plurality of light emitting elements and an adjusting portion for moving mechanisms including an optical system such as reflection mirrors and the holder 79 which translate in parallel a center of a whole of optical axes of pencils of light emitted from the plurality of light emitting elements when light is not emitted from part of the plurality of light emitting elements.

Abstract: The invention is directed towards common focus energy emitters having a common focus energy source and including two or more energy source units each having a 3D concave primary reflector for reflecting energy into an energy beam focused at the common focus energy source, and a secondary optical element for shaping the energy beam into an exit beam component of the exit beam. The 3D concave primary reflectors bound a minor 3D concave section of an imaginary primary reflector ellipsoid of revolution having a primary reflector axis of revolution non-coaxial with the energy emitter axis. Each primary reflector axis of revolution includes a first focal point disposed at the common focus energy source and a second focal point where its associated energy source is disposed thereat.

Abstract: A plurality of light source sections each have a reflector and a light source that is a discharge lamp. The plurality of light source sections are in a positional relationship wherein all reflector center axes are orthogonal to each other and at least one reflector center axis is orthogonal to the optical axis of a projection optical system. Interchange means interchanges the locations of the plurality of light source sections when a light source section needs to be replaced. Reflection means guides, to a converging optical system, light from that light source section whose reflector center axis is perpendicular to the direction of gravity.

Abstract: There is provided a lighting device, comprising at least one light emitter, at least one reflector and at least one sensor. The sensor is positioned within a region which receives direct light from the light emitter when the light emitter is emitting light. In some embodiments, the light emitter comprises one or more light emitting diode. In some embodiments, the sensor is positioned between the light emitter and a power supply. In some embodiments, the reflector comprises at least one opening, and light emitted by the light emitter passes through the opening to the sensor. In some embodiments, the sensor is sensitive to only some wavelengths of visible light. Some embodiments are back-reflecting lamps, and some are forward-reflecting lamps.

Abstract: Configurable light fixtures are provided. The light fixture includes a housing having an opening. At least one reflector having at least a first and a second configurable throw pattern, is disposed within the housing proximate the opening. The reflector accommodates the post-manufacture installation of a number of reflective throw pattern adjustment members to provide first and second configurable throw patterns having subtended angles with the same or different values.

Abstract: A LED lamp with adjustable beam direction includes a housing, a lamp base attached to one end of the housing for insertion into a lamp socket, a heatsink shaft mounted within the housing, a LED attached to one end of the heatsink shaft, a parabolic or elliptical or multi-facet reflector having a light output front opening and an asymmetric elliptical shaped rear opening, a first actuator for rotating the reflector about the LED, and a second actuator for tilting the reflector about the LED.

Abstract: An improved filter wheel is disclosed, through embodiments, that comprises a plurality of reflector support structures formed as a unitized structure with a circular base member. In some embodiments, the filter wheel further comprises a plurality of light sources mounted on the filter wheel.

Abstract: A LED light projector (1), comprising: a plurality of LED light sources (3) capable of emitting a corresponding number of light beams (4); a box-like body (7) housing within it the light sources (3) and having interior walls (7a) painted white to mix the light beams (4) in such a way as to emit a single output beam (14); a frosted optical lens (8) located opposite the light sources (3); at least one reflecting surface (2) set at a variable pre-established distance (d) from the optical element (8) so that the single beam (14) strikes the reflecting surface (2), giving rise by reflection to a homogeneous light cone (6).

Abstract: A light source device and a display device in which wrinkle or warpage of sheet-shaped or film-shaped optical members is prevented or minimized. A light source device (2b) includes sheet-shaped or film-shaped optical members (26a, 26b, 26c) arranged to control properties of light that passes therethrough and a chassis (11b) to which the sheet-shaped or film-shaped optical members (26a, 26b, 26c) are attached, the chassis (11b) includes a plurality of fitting protrusions (hooks) (114a, 114b, 114c) that are vertically movable and are pushed upward by pushing mechanisms in a normal usage state, a plurality of fitting holes (261) each having a through hole shape are disposed adjacent to upper sides of the sheet-shaped or film-shaped optical members (26a, 26b, 26c) in the normal usage state, and the optical members (26a, 26b, 26c) are hung on the fitting protrusions (114a, 114b, 114c) of the chassis (11b) in the fitting holes (261).

Abstract: A lens arrangement for telescopic illuminator includes a reflector. The reflector has a cavity defined therein. An inner periphery of the cavity is annularly formed with a conical surface. The conical surface is inwardly inclined. A convex lens is disposed in the cavity and positioned in a middle part of the reflector. A tapered portion is annularly disposed on an outer periphery of the reflector and inclined toward the inner end of the reflector. A flat surface is formed on the inner end of the reflector. The flat surface has a receiving hole centrally defined therein and passing therethrough. A lamp movably is disposed adjacent to the reflector. The lamp is born by an aluminum board.

Abstract: A projector includes: an operating panel having a plurality of operating buttons which carry out various operations, is exposed in the external surface of an exterior housing; a projection optical device configured to project an image light into which an incident luminous flux has been modulated in accordance with image information; an image adjustment section configured to change the relative positions of a plurality of lenses configuring the projection optical device; and an image adjustment panel having image adjustment buttons which cause the image adjustment section to operate, wherein the image adjustment panel is disposed in a position independent of the operating panel.

Abstract: An optoelectronic component having a basic housing or frame and at least one semiconductor chip, specifically a radiation-emitting or -receiving semiconductor chip, in a cavity of the basic housing. In order to increase the efficiency of the optoelectronic component, reflectors are provided in the cavity in the region around the semiconductor chip. These reflectors are formed by virtue of the fact that a filling compound filled at least partly into the cavity is provided, the material and the quantity of the filling compound being chosen in such a way that the filling compound, on account of the adhesion force between the filling compound and the basic housing, assumes a form which widens essentially conically from bottom to top in the cavity, and the conical inner areas of the filling compound serve as reflector.

Abstract: Vehicle-mounted auxiliary lighting systems adapted to provide primary or auxiliary vehicle lighting using light emitting diodes (LEDS) are disclosed.

Abstract: A boresight collimating device using a novel way of achieving multiple source illumination of the pin hole/reticule using one moving part, a rotating elliptical mirror, while maintaining precision alignment of the device is disclosed.

Abstract: The illumination system has an array of light sources (1, 1?, . . . ) such as an array of light emitting diodes arranged in a pre-determined manner in a first plane (11), wherein dsource is a characteristic dimension of the spatial arrangement of the light sources in the first plane. An array of associated lenses (2, 2?, . . . ) is arranged in substantially the same pre-determined manner in a second plane (12). Each lens has substantially the same focal distance flens. The array of lenses is provided at a plane distance dplane from the array of light sources. The plane distance dplane is substantially equal to the focal distance flens of the lenses. The illumination system has displacement means for displacing the array of lenses with respect to the array of light sources so as to obtain a plurality of directional light beams projecting spots on a projection plane arranged at a projection distance dprojection from the illumination system, wherein dprojection?10×dsource and dprojection?10×dplane.

Abstract: An energy saving lamp is provided. The energy saving lamp includes a main body, a circuit, an adjusting member, and a shielding device. The circuit includes a plurality of parallel loops, each parallel loop includes at least one light emitting member and a pair of open ends, the adjusting member is rotatably connected to the main body; the shielding device is fixed on the adjusting member; a conductive rod is fixed at the shielding device, and is received in an accommodating hole of the main body; when the adjusting member turns under a twisting force, it drives the shielding device to turn, the conductive rod moves in the accommodating hole to contact different number of the pairs of open ends to close the loops of the open ends, the light emitting members in the closed loops are thus turned on.

Abstract: A lighting system (10, 50, 70, 90) is provided comprising at least one light source (21, 91) and at least a first optical element (22, 92). The light source (21, 91) generates a light beam (12) and the first optical element (22, 92) refracts the light beam (12). The light source (21, 91) and the first optical element (22, 92) are arranged such that the light source (21, 91) and/or the first optical element (22, 92) are movable under the influence of a gravitational field in such a way that a distance between the light source (21, 91) and the first optical element (22, 92) is dependent on an orientation of the lighting system (10, 50, 70, 90) with respect to the gravitational field.

Abstract: A variable focus illuminator includes an array of light sources and a movable lens plate positioned immediately in front of the array of light sources. The lens plate includes a plurality of lenses that redirect the light produced by the light sources, such that different positions of the lens plate result in different sizes of the field illuminated by the variable focus illuminator. The lens plate may be movable in translation, rotation, or both. The variable focus illuminator may also include a cover plate in front of the movable lens plate, which may also include a plurality of cover plate lenses. The variable focus illuminator may be varifocal, or may include a zoom capability. The variable focus illuminator may be part of a system that includes a camera, and the system may also include a pan/tilt mechanism.

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: A system of digitally controlling light output by producing separate control signals for different colors of light. The light is contained in an optical waveguide, either prior to shaping or after shaping. Each of the control signals is coupled to a digitally controlled device which controls the shape of the light output. The digital controlling device can be digital mirror devices, for example.

Abstract: This invention relates to a light emitting device (100) having a movable collimating unit for adjusting the output direction of light being emitted from the light emitting device. The light emitting device comprises a base unit (110), and a light output unit (120) which is engaged with the base unit. The light output unit comprises at least one light source (121) for emitting light. The light emitting device further comprises a movably arranged collimating unit (130) for adjusting the direction of the emitted light, which is arranged such that it encompasses a light output portion (125), which is arranged on the light output unit.

Abstract: A plurality of light source sections each have a reflector and a light source that is a discharge lamp. The plurality of light source sections are in a positional relationship wherein all reflector center axes are orthogonal to each other and at least one reflector center axis is orthogonal to the optical axis of a projection optical system. Interchange means interchanges the locations of the plurality of light source sections when a light source section needs to be replaced. Reflection means guides, to a converging optical system, light from that light source section whose reflector center axis is perpendicular to the direction of gravity.

Abstract: A light emitting diode lighting system and kit includes a plurality of matched pairs of breakaway light emitting diode assemblies adapted to be mounted in a primary lamp holder where each individual matched pair assembly includes: (1) a light emitting diode coupled to a printed circuit board; (2) a break away housing adapted to be pressed fit over the light emitting diode; and (3) a breakaway lens adapted to be pressed fit into the housing to facilitate controlling the spread of light emitted by said light emitting diode from a wide range angle Ø to a narrow range angle ? at a user selected breakaway angle ? of between about A degrees to about B degrees.

Abstract: A multiparameter stage lighting apparatus is provided comprising a lamp housing, which may include a plurality of sets of light emitting diodes, each set of light emitting diodes having a plurality of colors, the plurality of sets of light emitting diodes forming an additive color mixing system. The multiparameter stage lighting apparatus may further include a plurality of pie shaped light emitting circuit boards, one light emitting circuit board for each set of the plurality of sets of light emitting diodes, each set of the plurality of sets of light emitting diodes mounted to its respective light emitting circuit board. The multiparameter stage lighting apparatus may further include a plurality of light emitting diode signaling circuit boards, one for each of the plurality of pie shaped light emitting circuit boards.

Abstract: An improved filter wheel is disclosed, through embodiments, that comprises a plurality of reflector support structures formed as a unitized structure with a circular base member. In some embodiments, the filter wheel further comprises a plurality of light sources mounted on the filter wheel.

Abstract: A LED light projector (1), comprising: a plurality of LED light sources (3) capable of emitting a corresponding number of light beams (4); a box-like body (7) housing within it the light sources (3) and having interior walls (7a) painted white to mix the light beams (4) in such a way as to emit a single output beam (14); a frosted optical lens (8) located opposite the light sources (3); at least one reflecting surface (2) set at a variable pre-established distance (d) from the optical element (8) so that the single beam (14) strikes the reflecting surface (2), giving rise by reflection to a homogeneous light cone (6).

Abstract: An electronic reading device includes a frame, a reflective display, and a lighting device connected to the frame. The lighting device includes a plurality of light emitters, and a light reflector. The light reflector includes a supporting member rotatably connected to the frame, a connecting member, and a reflective member that are rotatably connected in cascade. The reflective member includes a reflective surface, and the reflective member is capable of being rotated to a position to allow the reflective surface to reflect light emitted by the plurality of light emitters on the reflective display.

Abstract: Vehicle-mounted auxiliary lighting systems adapted to provide primary or auxiliary vehicle lighting using light emitting diodes (LEDs) are disclosed.

Abstract: An optoelectronic component having a basic housing or frame and at least one semiconductor chip, specifically a radiation-emitting or-receiving semiconductor chip, in a cavity of the basic housing. In order to increase the efficiency of the optoelectronic component, reflectors are provided in the cavity in the region around the semiconductor chip. These reflectors are formed by virtue of the fact that a filling compound filled at least partly into the cavity is provided, the material and the quantity of the filling compound being chosen in such a way that the filling compound, on account of the adhesion force between the filling compound and the basic housing, assumes a form which widens essentially conically from bottom to top in the cavity, and the conical inner areas of the filling compound serve as reflector.

Abstract: The present invention relates to illuminated trim members configured for use with homes, building or otherwise. In one exemplary embodiment, the present invention provides an illuminated decorative trim assembly including a trim member. The trim member includes an upper member, a lower member and a connecting member joining the upper and lower members. The upper member, lower member or both form a plurality of openings along a length thereof. The trim assembly further includes a light fixture assembly including a plurality of receptacles aligned with the plurality of openings formed on the upper or lower member. The trim assembly also includes a plurality of electrically connected illuminating devices disposed along the light fixture assembly and in the receptacles. The trim assembly still further includes one or more translucent members disposed along the length of the upper or lower member to cover at least a portion of the plurality of openings.

Abstract: A light emitting system (1) for outputting a light beam comprising: an optical arrangement comprising at least one light source, for emitting a light beam having a determinate width and a determinate length on a projection plane placed at a determinate distance from the optical arrangement, an optical device (2) movable into a plurality of angular positions, by rotation around a rotation axis (Z1), and comprising optical elements arranged for varying the width of the light beam when the optical device is rotated.