Abstract: A hands free integrated personal task lighting system for dental or surgical use providing remote control light activation and selective adjustable light intensity output. A fixed output value light source on a headset has an electronically activated variable transmission glass which changes transparency to degrees of translucentness by varied electrical activation. The light system provides both remote light activation and illumination value control by variable control sensors in a hands-free environment including temperature sensing activation control.

Abstract: A gobo system for a light fixture. The rotating gobo system including a gobo, a gobo retainer, and a gobo carrier. The gobo retainer is coupled to the gobo and includes a tab. The gobo carrier is coupled to the light fixture. The gobo carrier includes a seat for supporting the gobo and a recess for receiving the tab of the gobo retainer. The gobo retainer is rotatable relative to the gobo carrier between a locked position and an unlocked position.

Abstract: A wavelength conversion module for being disposed on a light path of light of a projector is provided. The wavelength conversion module includes a driving module and a wheel. The wheel has an axial hole, a heat dissipation area and a complementary dissipation area. The axial hole is connected to the driving module, the heat dissipation area surrounds the axial hole, and the wavelength conversion area surrounds the heat dissipation area and the light is projected to the wavelength conversion area. The heat dissipation area includes a plurality of through holes penetrating through the wheel, in which the plurality of through holes has a plurality of first through holes and a plurality of second through holes. The plurality of first through holes is arranged circularly on the wheel around the axial hole. Each of the plurality of second through holes is arranged between every two adjacent first through holes.

Abstract: A phosphor wheel includes a substrate, at least a phosphor agent and a plurality of vortex generators. The substrate has a first region and a second region. The second region has a plurality of openings. The phosphor agent is disposed on the first region for converting the wavelength of waveband light. Each vortex generator includes at least a guide vane. Each guide vane is disposed on the second region, and the projection, which is on the second region, of each guide vane is corresponded to one of the openings, such that a vortex is generated during a rotation of the substrate. Therefore, the efficiency of heat exchange is enhanced, the temperature of light spot is reduced, and further the output efficiency of light of the phosphor agent is increased.

Abstract: An effects wheel assembly for a light fixture, in particular a stage light fixture, suitable to generate a light beam, has a supporting device which rotates about a first axis; and an effects wheel having a hub, which extends about a second axis, and an effects portion, which extends about the hub and is suitable to generate optical effects when intercepting the light beam; the supporting device and the effects wheel being selectively connectable to each other by means of jaws elastically operated to clamp the effects wheel when the hub is inserted between the jaws.

Abstract: A phosphor wheel heat-dissipating module for a laser projection system is provided. The phosphor wheel heat-dissipating module includes a phosphor wheel, a plurality of air vents and an impeller. At least one phosphor agent is coated on an outer-ring portion of a first surface of the phosphor wheel. The air vents run through the phosphor wheel. The impeller is disposed on a second surface of the phosphor wheel, and includes an inlet and a first outlet. A laser beam is projected on the outer-ring portion of the phosphor wheel. When the phosphor wheel is rotated at a high rotating speed, an airflow is inhaled into the impeller through the inlet. A first portion of the airflow is blown out through the first outlet, and a second portion of the airflow is transferred to the first surface of the phosphor wheel through the air vents.

Abstract: A wavelength conversion device comprising a plurality of regions. Each region for absorbing radiant energy and emitting light having a characteristic dependent upon which region of the device emits the light.

Abstract: A strobe reflector that includes a reflective material and a support structure. The support structure may be adjusted or moved into at least two distinct positions to provide two distinct shapes for the reflective material. The first position of the support structure shapes the reflective material in a first configuration (such as a half-hemisphere) and a second position of the support structure shapes the reflective material in a second configuration (such as a full hemisphere).

Abstract: An apparatus (10) for interrupting a light beam, in particular a laser light beam, with a light beam deflection device (24), wherein the light beam deflection device (24) is arrangeable in the light path of the light beam. An apparatus (10) is characterized in that the light beam deflection device (24) is arranged on a bendable material strip (18), wherein the material strip (18) is held on one side on one end and magnetizable or magnetic sections (20, 22) are arranged on the area facing away from the held end of the material strip (18), preferably on both sides of the material strip (18), wherein a magnet (40, 42) is provided for each section arranged on the material strip (18) and wherein the sections (20, 22) are or can be brought in engagement with the magnetic field of each magnet (40, 42).

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: A phosphor wheel for converting pump light to conversion light, on which a first phosphor for emitting conversion light of a first color and a second phosphor for emitting conversion light of a second color are provided. The light of first and second phosphors, which are arranged in a manner spatially separated from one another on the phosphor wheel, has the same hue in this case. Depending on the requirement, either the first or the second phosphor can thus be selected.

Abstract: A dual fluorescent wheel with two disk-shaped carrier elements which are interconnected by wing-type cooling ribs is disclosed. When the dual fluorescent wheel rotates, air flows in through an axial opening in one of the carrier elements, the air flows radially through the interspace between the carrier elements or the wing-type cooling ribs and flows out at the edge. This airflow improves the dissipation of heat which is produced when an excitation laser irradiates the annular fluorescent strips located on the two exterior faces.

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 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 light emitting diode (LED) lighting system and method is inherently configurable into a variety of new and retrofit lamp applications. This reduces fixture costs by incorporating the heat removal method, light guide system, and a chassis into one easy to assemble and install structure. It also allows for configuration of a lighting system for determining overall height, overall inner and outer radii, light directivity, lighting intensity, and thermal performance. In retrofit applications, the lighting system can be configured to minimize installation costs. In a preferred embodiment, a LED lighting system is comprised of sub assemblies of LED circuit strips or arrays conjoined to create a multifaceted structure. Each sub-assembly has LEDs mounted on a circuit substrate with conductors to electrically connect the LEDs. These circuits are thermally interfaced and attached to thermally conductive material selected, treated, or processed to obtain desired light reflecting properties.

Abstract: An electrical interface module (EIM) is provided between an LED illumination device and a light fixture. The EIM includes an arrangement of contacts that are adapted to be coupled to an LED illumination device and a second arrangement of contacts that are adapted to be coupled to the light fixture and may include a power converter. Additionally, an LED selection module may be included to selectively turn on or off LEDs. A communication port may be included to transmit information associated with the LED illumination device, such as identification, indication of lifetime, flux, etc. The lifetime of the LED illumination device may be measured and communicated, e.g., by an RF signal, IR signal, wired signal or by controlling the light output of the LED illumination device. An optic that is replaceably mounted to the LED illumination device may include, e.g., a flux sensor that is connected to the electrical interface.

Abstract: A wavelength conversion device comprising a plurality of regions. Each region for absorbing radiant energy and emitting light having a characteristic dependent upon which region of the device emits the light.

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 illumination chamber for illuminating an object with substantially uniform illumination and providing an image of the object, the illumination chamber includes a generally 6-faced polyhedron opaque housing, which encloses a light mixing chamber. The housing includes an object transparent glass sheet, an image transparent glass sheet and at least one light source disposed inside the housing. The object transparent glass sheet is disposed at a first of the two larger faces of the 6-faced polyhedron and image transparent glass sheet is disposed at the second large face of the 6-faced polyhedron, opposing the object glass sheet. The object to be imaged, typically a document, is disposed immediately adjacent to the external surface of the object transparent glass sheet. The image of the objects exits the housing through the image transparent glass sheet.

Abstract: The present invention provides a drive system for an optical light modulation system employing multiple light modulation element pairs. The each pair is driven by a single motor which drives one axis around which one element of the first pair rotates while the other element of the first pair free floats and rotates about a second axis. While the second axis drives the rotation of the first element of the second pair and the first axis provides a rotation pivot for the second element of the second pair. Thus the two pairs share the two axises providing a more compact drive system that can be used more flexibly in an optical train of an automated multiparameter lighting system.

Abstract: Diffused light projector comprising: a light source; a main lens acting on the beam of light coming from the light source, said main lens being a Fresnel lens or a plano-convex lens to diffuse incident beam or beams of light; at least one prismatic lens located between the light source and the main lens to condition the beam of light coming from said light source.

Abstract: A mounting surface for mounting a plurality of LEDs has a plurality of orientable lenses each individually affixed about a single LED. Each orientable lens has a primary reflector and a refracting lens that direct light emitted from a single LED to a reflective surface of the orientable lens that reflects the light off a primary LED light output axis.

Abstract: A mounting surface for mounting a plurality of LEDs has a plurality of orientable lenses each individually affixed about a single LED. Each orientable lens may have a primary reflector and a refracting lens that direct light emitted from a single LED to a reflective surface of the orientable lens that reflects the light off a primary LED light output axis.

Abstract: A mounting surface for mounting a plurality of LEDs has a plurality of orientable lenses each individually affixed about a single LED. Each orientable lens has a primary reflector and a refracting lens that direct light emitted from a single LED to a reflective surface of the orientable lens that reflects the light off a primary LED light output axis.

Abstract: A light source apparatus includes a plurality of light sources arranged around a circumference; an optical unit for receiving illumination light emitted from one of the light sources disposed at a corresponding position by relatively rotating around a center axis about which the light sources are arranged; a motor for relatively rotating the light source unit and/or the plurality of light sources; a mode-setting unit for setting a first mode and a second mode; a motor controlling unit for controlling the rotational speed of the motor according to the first mode and the second mode; and a light-source controlling unit for controlling the illumination state of the light sources according to the first mode and the second mode, wherein, when the light sources are to be illuminated, the first mode is set, and when the light sources are to be extinguished, the second mode is set.

Abstract: A weapon mountable aiming system has a multi-laser assembly having a first visible laser pointer assembly, a second infrared laser pointer assembly, and an infrared laser illuminator assembly whose generated light beams extend outwardly through an opening in an actuator used to adjust the divergence of the infrared laser illuminator assembly. The multi-laser assembly being steerable by a set of adjusters in the weapon mountable aiming system to allow alignment of the generated light beams with a point of impact of a bullet with a target.

Abstract: Gobo wheel assembly has multiple gobo devices on a rotatable wheel. A central sun gear can rotate all the gobos. The gobos can be inserted and released from the wheel assembly.

Abstract: An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface opposite to the first surface, a plurality of elongated waved protrusions formed in the first surface, and a plurality of micro-depressions formed in the second surface. Each of micro-depressions has four connecting sidewalls. A transverse width of each sidewall progressively decreases with increasing distance from a bottom surface that is coplanar with the second surface. A backlight module using the present prism sheet is also provided.

Abstract: For lighting equipment for illumination of theatre and show stages and platforms there is designed an equipment for change of rotary gobos comprising a carrier disc supporting interchangeable segments with the gobos. The individual segments (2) are attached at the carrier disc (1) by central holding means, each segment (2) being provided with means for setting the segment (2) on the carrier disc (1). Each segment (2) is provided with a lamella (3) for attachment in the central holding mean holding means comprise a system of flexible fingers (10) in a fan-shaped arrangement, the fingers (10) being at inside ends fixed to the carrier disc (1) and on the outside free ends adapted to allow for insertion of the segment lamellas (3) between the fingers (10) and the carrier disc (1).

Abstract: A spotlight having a variable angle of radiation includes a light source and a converging lens. The converging lens is the front lens of the spotlight. The front lens is eccentrically arranged such that the principal optical axis of the front lens is not coincident with the principal optical axis of the spotlight. For example, the principal optical axis of the front lens is parallel to and spaced from the principal optical axis of the spotlight by a predetermined distance.

Abstract: An antiglare device comprises a housing for coupling to a headlight of a vehicle. Surfaces of the housing which face a passenger side of the vehicle are reflective to encourage reflection of light away from oncoming traffic while surfaces of the housing facing towards the driver side of the vehicle are preferably non-reflective to reduce the amount of light reflected towards oncoming traffic. Plates may be supported within the housing through which the light passes in which the plates similarly include reflective and non-reflective surface. The plates may be pivotal between a high beam position parallel to the direction of light projected through the housing and a low beam position in which the plates are deflected in the direction in which the reflective surfaces face towards the passenger side. The plates may instead be horizontal in the high beam position and deflected downwardly in the low beam positions.

Abstract: A dark-sky friendly lamp-housing combination is provided for use with a light fixture. The combination uses a standard lamp having a light element and a base section. The base section includes a neck attached to the light element and a connector that is received in a socket of a light fixture. A housing attached to the neck is adapted to direct light from the light bulb in a predefined direction to reduce light pollution. In one aspect, the housing is rotatable about the base section so that the direction of illumination can be adjusted as desired.

Abstract: A novel light modification device is described that includes an optical wheel having at least two light modification sections, the optical wheel being turned by an electric powered actuator and the electric power used to operate the actuator being provided by a light power to electric power converter. All of the optical wheel, actuator and light power to electric power converter being mounted on a housing. The housing being supported by a mounting mechanism so that light from a light source is aligned to illuminate the optical wheel and the light power to electric power converter.

Abstract: A self-aim light device. The light device includes a rotating light shield pivotally coupled to an axis. The light shield could include a mass on one end such that gravitational forces control movement of the light shield around a pivot point. The light device may be positioned within a vehicle and the light shield allows for self-aiming of a light output to conform to movement of the vehicle due to a gravitational force.

Abstract: A specialized lighting fixture, such as a framing projector provided with a plurality of adjustable framing shutters, is modified to incorporate a pair of locking rings, surrounding the body of the lighting fixture and positioned on opposite sides of outwardly projecting portions of the framing shutters. After initial adjustment of the framing shutters has been completed, the locking rings are tightly compressed together, as by locking screws positioned between adjacent pairs of framing shutters, to lock the shutters in position against unintended dislodgment. For lighting fixtures of non-uniform shape, the locking rings may be made in two parts, preferably hinged together, which are secured together after being positioned on the housing of the lighting fixture. The locking rings are particularly adapted for retrofit installation on lighting fixtures of existing design.

Abstract: A light-emitting apparatus able to dynamically produce lights of different wavelengths comprises a light source, a lamp holder surrounding the light source and having a notch, and a light-transmitting structure surrounding the lamp holder, wherein the light-transmitting structure can rotate around the lamp holder and includes a first section through which only a light in a first wavelength range is sent out, and a second section through which only a light in a second wavelength range is sent out. The first section and the second section can be rotated in turn to face the notch of the lamp holder, following the rotation of the light-transmitting structure.

Abstract: A lamp, in particular a motor vehicle lamp, comprises a light distribution device (14, 14?) into which the light of at least one light source (6) is fed in such a way as to produce a light flux which is firstly propagated through the light distribution device substantially parallel to a light exit surface defined thereby. Components are deflected out of the light flux by means of coupling-out structures (16, 16?) for delivery through the light exit surface.

Abstract: Lighting apparatus includes an effect wheel which is mounted on a rotation mechanism. The rotation mechanism is mounted on a mechanism which moves the effect wheel from a position outside of the light path to a position in which the effect wheel intersects the light path to provide a continuous wheel effect. The translation mechanism can move the effect wheel between positions in which the effect wheel crosses the light path in a horizontal direction and in a vertical direction, respectively. The apparatus allows a continuous wheel effect to be added to a multi-purpose luminaire and also allows the direction of travel of the continuous wheel effect across the illuminated field to be continuously varied.

Abstract: A spotlight with perimetrical delimitation of the emitted light beam, comprising a light source for emitting a light beam, an optical element that can move axially with respect to the light beam in order to adjust the breadth of the light beam, and a Fresnel lens for diffusing the light beam. Beam adjusting elements are provided for delimiting perimetrically the light beam which are associated with the optical element and can move axially with it.

Abstract: A color changing apparatus adapted to be installed between the reflector assembly and front barrel assembly of a theatrical ellipsoidal spotlight. The color changing apparatus includes a housing for connecting to the spotlight components. Contained within the housing are a plurality of color filters, preferably dichroic color filters, serially arranged perpendicular to the light path. The color filters may include constant or variable density patterns of any desirable color and are transported into the light path to effect a change in lighting conditions. The color changing apparatus is also preferably equipped with a control system enabling remote actuation and control of the system.

Abstract: A landscaping light fixture including a housing containing a lamp such as an incandescent lamp or LED, that produces light when powered, a lens through which light from the passes and a multi-colored wheel, strip or shutter juxtapositioned between the lamp and lens such that the light emitted from the lamp shines through the color wheel, strip or shutter and then through the lens, the wheel, strip or shutter including a translucent material of different segmented color or of a graduated color and being operatively positioned within the housing of the landscaping light fixture to be movable to align the colored segment or graduation of the wheel, strip or shutter into alignment with the lamp such that the light emitted from the lamp shines through the color wheel, strip or shutter prior to shining through the lens assembly.

Abstract: A stage lighting lamp unit includes a processor for receiving control data from a remote console. Beam orientation data for the lamp unit is passed to the lamp in the form of the x, y and z co-ordinates of a point in space through which the beam is to pass. The processor divides the required lamp travel into a number of stages dependent on execution duration data sent with the position data, and calculates, for each stage, a new value for pan and tilt angles for the lamp. These values are passed to pan and tilt controlling co-processors which control servo-motors for pan and tilt operation. The lamp unit also incorporates a rotatable shutter for interrupting the lamp beam when required. The shutters of all the lamps in a system can be instructed from the remote console to open and close in synchronism, thereby providing a stroboscopic effect.

Abstract: A light device includes a casing rotatably supported on a base and received in a stationary housing. A light member is received in the casing for generating light through the casing and the housing. A motor may be coupled to the casing with a gear and a pinion, for rotating the casing relative to the housing. The housing and the casing include patterns to be moved relative to each other when the casing is rotated relative to the housing by the motor. A cover may be secured on the housing and includes a circular passage for rotatably receiving top of the casing.

Abstract: A lighting structure includes a supporting member, a lampshade and an adjusting mechanism. The lampshade is connected on a top of the supporting member. The adjusting mechanism is arranged inside the lampshade, and respectively includes a guide track formed in the lampshade, two telescopic adjusting rods with an adjustable length, a flat column and a rail. The flat column and the rail are slidably arranged in the guide track, the length of the lampshade is thereby adjustable by means of the adjusting rods to be adequately positioned over an area to be illuminated.

Abstract: A lighting fixture projects a light beam for spot lighting in theater stages, cinema and television studios and the like. The fixture includes a light source at one end of a housing having a light beam exit aperture at the opposite end thereof, the light source and aperture being arranged generally concentric with a longitudinal or optical axis of the lighting fixture. One or more beam-shaping blades, and preferably also other light beam influencing elements, such as one or more lenses, an iris, and/or a pattern or gobo, are arranged along the path of the light beam along the longitudinal axis through the housing from the light source to the aperture. The position of the beam-shaping blade or blades, and preferably of all the light beam influencing elements, is adjustable relative to the longitudinal axis. The fixture produces a well-defined light beam or light cone with a geometry, angle of conicity and focal point that may be altered manually or by remote control.

Abstract: A light assembly includes a light device and a color member disposed in a housing. A driving device, such as one or more motors are disposed in the housing, and engaged with the color member for moving the color member relative to the light device to generate different colors when the color member is moved relative to the light device. The light device includes one or more peripheral light tubes, and a casing is secured in the housing. The color member is disposed around the casing and disposed between the casing and the peripheral light tubes of the light device.

Abstract: A toy for producing a three dimensional aesthetically pleasing illuminated image. The toy includes a handle, a light source, a rotary drive mechanism, and a plate-like member having an outer surface at least a portion of which is a holographic diffraction surface. The plate-like member is arranged to be rotated about a longitudinal axis so that light received by the holographic diffraction surface produces an aesthetically pleasing illuminated three-dimensional image. The plate-like member can be mounted so that it moves along the axis with respect to the handle as it is rotated and can include a transparent sphere containing a three dimensional object, e.g., a cartoon character, therein.

Abstract: A light assembly includes a light device and a color member disposed in a housing. A driving device, such as one or more motors are disposed in the housing, and engaged with the color member for moving the color member relative to the light device to generate different colors when the color member is moved relative to the light device. The light device includes one or more peripheral light tubes, and a casing is secured in the housing. The color member is disposed around the casing and disposed between the casing and the peripheral light tubes of the light device.

Abstract: A vehicle indicator lamp having a transparent cover that performs horizontal light radiation at a wide angle in which a reflecting surface of a reflector is formed so as to diffusion-reflect the light from a filament of the light source into a forward direction. Horizontal deflection lens portions are formed on the center area of the transparent plain cover and near the lamp's optical axis so as to horizontally deflection-permeate the direct light from the filament in a direction away from the lamp's optical axis.

Abstract: A planar illumination device has a light source that shines light into a light guide plate through one side face (i) thereof and a reflector member laid on the back face of the light guide plate opposite to the light emission face thereof. In the vicinity of another side face (ii) of the light guide plate opposite to the side face (i) thereof through which the light is shone into the light guide plate, a slit is formed so as to extend along that side face (ii). A portion of the reflector member is, by being bent into an L shape, formed into an insertion portion, and this insertion portion is inserted into the slit.