Abstract: A light-emitting device for use in an image forming apparatus includes an apparatus body; a door disposed on and openably closable relative to the apparatus body; a lens mounted on the door; a light-emitting element that lights up the lens with light; and a bracket disposed on the apparatus body, configured to support the light-emitting element. The bracket is slidable in a direction in which the light-emitting element emits light. In a state in which the door is closed relative to the apparatus body, the bracket contacts at least one of a part of the door and a part of the lens, further movement of the bracket in the slidable direction is obstructed, and the light-emitting element and the lens are positioned adjacent to each other.

Abstract: Adjustable light emitting diode lighting assembly, kit and system and method of assembling an adjustable light emitting diode lighting assembly. The adjustable light emitting diode lighting assembly comprises a mounting can adapted to be mounted in a housing and an upper locking ring adapted to be mounted to the mounting can. A lower base ring is spaced-apart from the upper locking ring. An adjustable collar coupled to the upper locking ring and the lower base ring and interposed therebetween is provided for adjustably supporting a light emitting diode module over a plurality of light distribution angles. Conductive, radiative and/or convective heat sinks are provided for removing heat produced by the light emitting diode module to maintain luminous efficiency and service life of the light emitting diode module.

Abstract: A lighting assembly includes a light guide having opposed major surfaces between which light propagates by total internal reflection, a light input edge, and two light output regions of different optical characteristics and at least one of which is associated with a corresponding one of the major surfaces. The lighting assembly also includes a light source located adjacent the light input edge. The light source and the light guide variably positionable relative to one another to vary a location on the light input edge at which the light is input to the light guide such that the light is emitted from the light guide selectively apportioned between the light output regions so that a characteristic of the light output from the lighting assembly is modified based on the optical characteristics associated with the light output regions and the relative positioning of the light source and the light guide.

Abstract: An ambient lighting jig assembly generally includes a support assembly, a trim panel, an insert panel, and a light source. The support assembly defines an inner support cavity. The trim panel is configured to be coupled to the support assembly and at least partly defines a jig opening. The insert panel is configured to be rotatably coupled to the support assembly within the jig opening and has a reflective surface. The light source is configured to emit a light stream. Further, the light source is configured to be rotatably coupled to the support assembly within the inner support cavity at a plurality of angular positions so that the light stream is projected onto the reflective surface for use in determining an optimal angle for the insert panel and the light source.

Abstract: An illumination device includes a light source device, a uniformization optical system which uniformizes the illuminance distribution of light from the light source device on a region to be illuminated, and a diffraction optical element which is provided in an optical path between the light source device and the uniformization optical system, and rotates around a predetermined rotation axis. The diffraction optical element includes a first region which forms a first illuminance distribution, and a second region which is provided at a position different from the first region around the rotation axis, and forms a second illuminance distribution different from the first illuminance distribution.

Abstract: A lighting assembly including a semiconductor light source, a support with a recess within which the semiconductor light source is positioned, and a collimator having light entry and light exit openings joined together by at least one side wall. The collimator is moveable relative to the support. The collimator is attached to the support such that the light entry opening of the collimator and the recess are joined in a nested manner so that light emitted by the semiconductor light source within the recess enters the collimator through the light entry opening and exits essentially only through the light exit opening of the collimator for any position of the collimator over its range of motion. The lighting assembly further includes an actuator for moving the collimator over at least part of its range of motion. An automotive headlamp arrangement includes the lighting assembly, a reflector element and a secondary optic.

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

Abstract: A telescopic flashlight that includes a universally adjustable mirror unit for reflecting the light of the lighting unit over a universal range, which mirror unit is readily and easily attached and detached from the distal end of the flashlight apparatus via a metallic mounting collar that is magnetically retained by means of an annular magnet affixed to the distal end of the apparatus, which mounting collar itself is rotatable relative to the distal end of the flashlight apparatus in order to provide two of the three degrees of freedom on motion of the mirror proper.

Abstract: A gobo support assembly, for a stage lighting fixture, has a disk-shaped gobo; a gobo support having a first seat for housing the gobo; and a gobo carrier wheel rotating about an axis and having a second seat for housing the gobo support; the gobo carrier wheel and the gobo support being connectable in sliding manner in a direction substantially perpendicular to the axis, and being locked mutually by a reversible click-on locking mechanism to hold the gobo support in a given position inside the second seat.

Abstract: A telescopic flashlight that includes a universally adjustable mirror unit for reflecting the light of the lighting unit over a universal range, which mirror unit is readily and easily attached and detached from the distal end of the flashlight apparatus via a metallic mounting collar that is magnetically retained by means of an annular magnet affixed to the distal end of the apparatus, which mounting collar itself is rotatable relative to the distal end of the flashlight apparatus in order to provide two of the three degrees of freedom on motion of the mirror proper.

Abstract: An optical system and method for illuminating an object under investigation with filtered light is disclosed. In one embodiment, the system comprises a filter wheel having a plurality of variable bandpass filters. The filter wheel is rotatable about two axis, whereby rotation about the first axis brings a selected filter in line with a collimated beam of white light and rotation about the second axis adjusts the angle of the filter relative to the light beam in order to adjust the bandpass frequencies. A second beam of white light, which may be from a second light source, can also be reflected off of the face of the filter in a manner that illuminates the object with substantially white light. In one embodiment, the object may be alternately or simultaneously illuminated with filtered light or with reflected white light. The filter can be used as a bandstop or band rejection filter to illuminate the object with white light that is missing a narrow frequency band.

Abstract: A ceiling mount lighting fixture includes a channel, a channel cover, and a light source including a plurality of light-emitting diodes. The channel cover includes two sides that intersect in a V-shaped base, with light-emitting diodes mounted on each side. The light-emitting diodes emit light at cone angles that overlap at the base of the channel cover. The fixture may include a diffuser and an end cap positioned on each end of the channel, each end cap including a groove. A plurality of strips may be located on the diffuser, each strip moveable from a first position on the diffuser a distance from the end caps to a second position in which the strip engages the groove on one of the end caps, thereby serving as a light trap to block light from exiting gaps between the diffuser and end caps.

Abstract: The invention relates to an illumination system (50), a beam-control element and a light source (30). The illumination system comprises the light source for emitting a light beam and a beam-control element for controlling the shape and/or direction of the light beam. The beam-control element comprises a resilient layer (2a) and a further layer (4a) being arranged substantially parallel to each other, the resilient layer comprising a relief (21) on a surface of the resilient layer arranged substantially parallel to the further layer, or the further layer comprising the relief on a surface of the further layer facing the resilient layer. The illumination system further comprises moving means (52) for moving the resilient layer and the further layer with respect to each other for reducing the relief by applying a pressure between the resilient layer and the further layer. The relief controls the shape and/or direction of the light-beam.

Abstract: An LED lamp or LED lighting assembly includes a light guide having opposed major surfaces configured to propagate light by total internal reflection and a light input edge extending between the major surfaces. A light source is adjacent to the light input edge and is configured to edge light the light guide. In some embodiments, the light source is moveable relative to the light input edge, and the spectrum of the light output from the light guide may be adjusted by movement of the light source relative to the light input edge.

Abstract: A light beam adjusting device includes a housing having a reflector, a light device disposed within the reflector for generating light which may be reflected partially upwardly and partially downwardly by the reflector. The light reflected downwardly by the reflector is allowed to emit out through the housing. A shielding panel is disposed in the housing, and an actuating device may rotate the shielding panel to open and block the lower portion of the housing, and to selectively open and block the light reflected upwardly by the reflector. The light reflected upwardly by the reflector may form a high beam together with the downwardly reflected light when the housing has not been blocked by the shielding panel.

Abstract: A headlamp assembly includes a simplified adjusting mechanism for adjusting the aim of a headlamp. The mechanism includes a gear screw that is snap fit into the headlamp housing, a grommet that positioned around the gear screw and snap-fit into the headlamp reflector, and an O-ring to ensure a good seal.

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 a wavelength-transforming device, a solid-state light-emitting element and a filter wheel. The wavelength-transforming device comprises a segment and a wavelength-transforming element disposed on the segment. The solid-state light-emitting element emits first color light in first waveband region to the wavelength-transforming device. The filter wheel is disposed on one side of the wavelength-transforming device for filtering lights via rotating. The first color light is excited as second color light in second waveband region by the wavelength-transforming device, so that the second color light is outputted with the rest of the first color light. The first and second color lights are transmitted through the filter wheel, such that three primary color lights are sequentially projected.

Abstract: A perimeter lighting fixture has housing and a separate trim piece. The trim piece is attached to a wall. A wall compound, such as plaster, is smoothed over a blend area or band on the wall just below the trim piece, and also onto a transition section of the trim piece. The housing and/or a reflector of the perimeter lighting fixture is positioned in contact with the trim piece. The trim piece compensates for waviness or uneven wall surfaces. As the trim piece is straight, the variances in wall straightness are corrected. This allows the lighting fixture to be placed against or closely adjacent to the wall, without creating unsightly dark gaps between them, and without highlighting the imperfections in the wall.

Abstract: A light emitting device comprising a reflection cap, a substrate, a light source, a first wavelength transformation layer, a second wavelength transformation layer, a cover and a reflection device is provided. The substrate is disposed on the reflection cap. The light source is disposed on the substrate. The first wavelength transformation layer disposed on the substrate surrounds the light source. The second wavelength transformation layer disposed on the substrate surrounds the first wavelength transformation layer. The cover is fixed on the reflection cap. The reflection device comprises a reflection angle adjustment mechanism and a reflector. A ratio of the light reflected by the reflector to be incident on the first wavelength transformation layer to that being incident on the second wavelength transformation layer is adjusted through the angle adjustment of the reflector by the reflection angle adjustment mechanism to generate light with different color temperature.

Abstract: A lamp including a light source, a reflective unit and a light modulation module is provided. The light source provides an illuminating light, and the reflective unit reflects the illuminating light. The light modulation module is disposed between the light source and the reflective unit. In the light modulation module, a region where movable light absorbing materials exist is a light absorbing region, and a region where the movable light absorbing materials are absent is a light penetration region. By applying different electrical fields to the movable light absorbing materials, sizes and locations of the light absorbing region and the light penetration region can be changed. A portion of the illuminating light irradiating the light penetration region penetrates through the light penetration region, is transmitted to the reflective unit, being reflected by the reflective unit, and penetrates through the light penetration region again sequentially.

Abstract: A stage light fixture is provided with a main body extending along a longitudinal axis and having an outer surface; a light source arranged inside the main body at a first end of the main body and suitable to emit a light beam substantially along the axis; and with an objective lens arranged at a second end of the main body; the main body is provided with a plurality of inserts to fix to the outer surface, by means of a magnetic coupling, a filter suitable to intercept the light beam which crosses the objective lens; the inserts are made of a magnetic material and/or of a metallic material suitable to be attracted by a magnetic material.

Abstract: A display apparatus is provided. The display apparatus includes a transparent display panel, a reflector disposed in the display apparatus and configured to reflect light and provide the reflected light to the transparent display panel, a light emitter configured to emit the light and project the emitted light to the reflector, and a control circuit configured to control the transparent display panel and the light emitter.

Abstract: The disclosure relates to an improvement of a marking light device for the emission of a standard light plane in, for example, a horizontal or a vertical direction. The aim of the marking light device is essentially to be able to produce a continuous standard light plane that has a higher accuracy than conventionally produced standard light planes. Furthermore, the disclosure relates to a method for producing a planar standard light plane by means of a marking light device.

Abstract: The present invention relates to a street lamp which uses LEDs as a light source and has a freely adjustable lighting direction and an adjustable lighting range. The street lamp of the present invention includes a housing 1; LEDs 10 arranged in the housing 1; heat radiation fins 20 formed on an upper surface of the housing 1; a lighting direction adjuster 30 arranged on the bottom surfaces of the heat radiation fins 30 in the housing 1; and a lens case 40 attached to an upper surface of the lighting direction adjuster 30 and equipped with a lens moving means for positioning a lens 49 arranged in the lens case wherein the lighting direction adjuster 30 includes a spherical rotating body 32; a receiving body 34 having a groove 35 for accommodating the spherical rotating body 34; and a cover plate 36 arranged on the rotating body 32.

Abstract: A reflector for flush installed lighting devices, adapted to eliminate possible undesired spots of light and unevenness of the produced light beam, said reflector being provided with a further reflective element, arranged on the surface of said reflector and essentially parallel to the lying plane of the greater opening of said reflector. Said further reflective element will preferably have a circular segment shape and dimensions which may vary according to the dimensions of said reflector and according to the inclination that the lighting assembly may assume with respect to the main body of the flush installed lighting device.

Abstract: A hands-free filter assembly suitable for use with a loupe light is described. The hands-free filter assembly includes a filter that moves between an in-use position, where it is filtering light from the loupe light, and a non-use position, where it is not filtering light from the loupe light. The filter can be moved between the in-use position and the non-position without manual manipulation.

Abstract: A touch electric fireplace comprises a housing, an imaging screen installed in the housing, a light source, a flame processing device, and a reflecting module. A window is defined on a front wall of the housing, a transparent insulator completely shields the window as well as a rim of the window, a touch area is arranged on the transparent insulator and along the rim of the window, and a touch panel is attached to a front side of the transparent insulator of the touch area; whereby, the electric fireplace is easily operated and controlled by simply touching the touch panel.

Abstract: A mirror module includes a mirror. The module includes a mirror housing. The module includes a mounting box that fits into the housing. The module includes a motorized element disposed in the mounting box. The motorized element having a mirror mounting plate which holds the mirror, and a base plate which is attached to the mounting box through an axis screw at a central axis of the module about which the motorized element rotates.

Abstract: A telescopic flashlight that includes a universally adjustable mirror unit for reflecting the light of the lighting unit over a universal range, which mirror unit is readily and easily attached and detached from the distal end of the flashlight apparatus via a metallic mounting collar that is magnetically retained by means of an annular magnet affixed to the distal end of the apparatus, which mounting collar itself is rotatable relative to the distal end of the flashlight apparatus in order to provide two of the three degrees of freedom on motion of the mirror proper.

Abstract: A rotation angle regulating device and a rotatable lamp using the same are provided. Through N passive rotating elements used for regulating the rotation angle, the rotation angle of the active rotating element relative to the fixing element is increased, wherein N is a positive integral equal to or more than 1. In addition, each passive rotating element has a first stopper and a second stopper. The active rotating element, when rotating, drives and makes the passive rotating elements rotating on the fixing element, so that the rotation of the lamp can be stopped at any designated angle through the operations of the first and second stoppers of each passive rotating element.

Abstract: An illumination device (100) is disclosed. The illumination device (100) comprises a collimation module (110) configured to collimate light, a lens assembly (120) configured to controllably focus/defocus light, and an intermediate module (130) arranged between the collimation module (110) and the lens assembly (120) such as to receive collimated light output from the collimation module (110), wherein at least some light output from the intermediate module (130) impinges on the lens assembly (120).

Abstract: A layered dimmer formed of different layers. The front layer may be a scattering layer, and the back layer may be a reflective layer. The light beam is scattered prior to reflecting, to avoid reflection back to form hotspots.

Abstract: An optical device having an optical axis (y-y) and comprising a source of light; a reflector which is associated with the source of light in order to form a light beam; and a rotary assembly which is designed to intercept the light beam, and can be rotated around an axis of rotation between first and second distinctive lighting positions. The rotary assembly comprises at least first and second shields associated respectively with the first and second lighting positions, in order to create a cut-off of the light beam. The first and second shields each comprise at least one ridge. The rotary assembly additionally is designed to permit progressive transition of the lighting between the first and second distinctive lighting positions.

Abstract: A gobo holder for a gobo wheel has a base element, a gobo fastening element rotatably mounted to the base element, and a resilient latching member on the base element. The gobo holder is mounted to a gobo wheel having a latching feature for such time until a mechanical latching connection is achieved between the resilient latching member of the gobo holder and the latching feature of the gobo wheel.

Abstract: A moving head light for stage lighting includes a light sources group having a plurality of light sources, a reflector group slantwise arranged at a circumference of the light sources group; and an angle-adjusting device for adjusting the relative angles between the reflectors and the light sources. Each reflector corresponds to each light source one by one, and the reflector group includes a plurality of reflectors. The moving head light for stage lighting uses the angle-adjusting device to adjust the relative angles between the reflectors and the light sources so that lights sent out from the light sources generate a special effect of scaling in a space after being reflected by the reflectors.

Abstract: A projector device includes: an image generation unit that generates an image; an irradiation unit that irradiates light for projecting the image generated by the image generation unit upon a projection surface; and a change unit that changes luminance of the light irradiated from the irradiation unit.

Abstract: The present invention relates to a light beam emission device for a measuring device for changing the optical properties of a light beam as well as to a corresponding method and to a measuring instrument which uses the light beam emission device, wherein the optical properties of the light beam can be changed automatically thereby from one state to another state.

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.

Abstract: There are provided a lighting device with which it is possible to avoid the problem of heat generation in parts subjected to the concentrated energy of irradiating light even when the parts are irradiated with high-energy light from a light source, and a projection type of image display device equipped with this lighting device. This lighting device comprises a light source and a rotary reflecting member that is disposed at an angle to light incident from the light source. The rotary reflecting member has on its periphery a portion that reflects incident light (first region) and a portion that does not reflect (second region).

Abstract: The downlight includes a seat, a depressor, a rotator, a deflector and a lamp module. The seat has a hollow and a flange therein. The depressor is fixed on the seat and corresponding to the flange. The rotator is disposed between the flange and the depressor and is capable of rotating against the seat. The deflector is received in the hollow and pivotally connected to the rotator. The lamp module is fastened to the deflector.

Abstract: According to an embodiment, a polyhedron may be provided. The polyhedron may include a first luminescent face; and a second luminescent face.

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: The disclosure provides a luminaire having an adjustable light reflector affording a selection of flood pattern lighting.

Abstract: A lighting device includes an optical lens, a scattering layer mounted on an outer surface of the optical lens, and a lighting module mounted on the optical lens and emitting a plurality light beams which are reflected and/or refracted by the optical lens and are reflected and/or refracted by the scattering layer. Thus, the light beams of the lighting module are initially reflected and/or refracted by the optical lens and are then reflected and/or refracted by the scattering layer so that the light beams of the lighting module are distributed in a two-stage manner by the optical lens and the scattering layer and are scattered and diverged in different angles and directions evenly and smoothly so as to provide a fully developed lighting effect, thereby enhancing the lighting efficiency of the lighting device.

Abstract: The invention provides an illumination device, preferably a reading lamp, which, on the one hand, has a compact design and, on the other hand, ensures a flexible illumination of objects, for which, in order to ensure an adequately high illuminance, high-power light sources can be used and which includes preferably a light source and a light-guiding element that can be pivoted and/or tilted around a pivoting/tilting point, which has at least one light-guiding axis and at least one light in-coupling surface as well as one light out-coupling surface, with the light-guiding element being arranged preferably in an axially displaceable manner in such a way that a free beam area can exist between the light source and the light in-coupling.

Abstract: A recessed luminaire with adjustable socket assembly comprises a housing having a sidewall, a top wall and a lower opening allowing light output, a socket adjustment assembly disposed in the housing, the socket adjustment assembly having: a lamp socket connected to a socket carriage, a track having a socket carriage movably positioned on the track, wherein the carriage moves along the track and the lamp socket is movable in at least one of a vertical or a horizontal direction.

Abstract: A system for illuminating an object is provided, the system comprising a coherent or semi-coherent light source and a first diffuser positioned relative to the coherent or semi-coherent light source so as to receive said coherent or semi-coherent light. The first diffuser may diffuse the light to produce diffused light. An actuator having a moveable element, such as a moveable reflective surface, may be positioned to project the diffused light onto an object, and may be moved to project light onto different portions of the object. This movement may be performed with such rapidity that it is not perceived by a person viewing the object. Rather, the entire object would appear to be illuminated. Movement of the element may be controlled by a computer, and may be performed according to a predefined routine.

Abstract: Disclosed is an optical unit wherein a rotating reflector rotates about a rotation axis in one direction, while reflecting light emitted from a light source. The rotating reflector is provided with a reflecting surface such that the light reflected by the rotating reflector, while rotating, forms a desired light distribution pattern, said light having been emitted from the light source. The light source is composed of light emitting elements. The rotation axis is provided within a plane that includes an optical axis and the light source. The rotating reflector is provided with, on the periphery of the rotation axis, a blade that functions as the reflecting surface.

Abstract: An adaptor (10) including a sensor (18), a gimbal housing (12) having a male connector (14) at one end and an female connector (16) at another end, wherein the male connector (14) is configured to connect with an electrical socket and the female connector (16) is configured to connect with an electrical device, and a circuit for selectively controlling the electrical device in response to the sensor (18). The gimbal housing (12) is adapted to rotate around the male connector (14) about a first axis and support the sensor (18) for independent rotation about a second axis perpendicular to the first axis so that the sensor (18) can be moved to a selectable sensing orientation.