Abstract: A lighting device includes a housing, multiple light emitting diodes (LEDS), and multiple magnifier lenses. The multiple LEDS and the multiple magnifier lenses are located in the housing. Each of the magnifier lenses corresponds to a different one of the LEDS, and there are less magnifier lenses than LEDS. Each LED that has a corresponding magnifier lens is arranged with respect to its magnifier lens so that substantially all of the light emitted by the LED only traverses its corresponding magnifier lens. At least one of the LEDS emits light that does not traverse any of the multiple magnifier lenses.

Abstract: A system for leveling a lampshade comprising, a pivot member operative to engage a post of a lamp harp and support a spyder portion of a lampshade, and a retaining member operative to engage the post and induce a force on the spyder portion.

Abstract: The present application relates to a lighting applications. In particular, the present application describes examples of lighting fixtures and light bulbs containing a light transmissive optic. The orientation of the solid state emitters together with the contoured output surface of the light transmissive optic produce a tailored light output distribution over a designated planar surface. The light generated by the solid state light emitters is of a sufficient intensity to illuminate the designated planar surface.

Abstract: A lighting appliance with a reduced encumbrance for industrial environments, comprising a head (11), equipped with an upper support (10) for hooking the appliance to the ceiling of an industrial warehouse or building in general, and two reflectors which can be disassembled from the appliance structure, one (13) above or inside the head (11), with a complex faceted optical system, and one (12) lower or outside the head (11), with a segmented geometry; a vertical regulation system of the lamp (15) of the lighting appliance allows the illuminating engineering characteristics of the appliance to be varied, obtaining different photometric conditions according to the distance of the lamp (15) from the work surface.

Abstract: A light source unit includes a light source element; an optical-waveguide-formed element in which an optical waveguide is formed; a prism for turning back a light flux emitted from the light source and guiding the light flux toward an incident end of the optical waveguide; and a coupling optical system formed on the prism or provided as a separated body from the prism, for coupling the light flux emitted from the light source onto the optical waveguide.

Abstract: Three-digital micromirror devices (“DMD”) are used to alter the shape of light that is projected onto a stage. The DMDs each receive a primary color and selectively reflects some light of that color, thereby shaping the light that is projected onto the stage. The control for the alteration is controlled by an image. That image can be processed, thereby carrying out image processing effects on the shape of the light that is displayed. One preferred application follow the shape of the performer and illuminates the performer using a shape that adaptively follows the performer's image. This results in a shadowless follow spot.

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 luminaire housing designed to be installed to illuminate an illumination area, wherein a light source is oriented within the housing to direct a central axis of emitted light rays away from the illumination area and towards a reflective surface of a stationary reflector. In some embodiments the stationary reflector is oriented and contoured to reflect the light rays towards a light spread lens having one end positioned above at least a portion of a reflector lip and angled into the housing with respect to a light passageway. Optionally, the luminaire housing may be a recessed luminaire housing.

Abstract: A lighting device comprising a plurality of overlapping leaves hingedly attached to a base that can be manipulated to control the size of an opening through which light from a light source passes, and thereby the size and intensity of the light. In some embodiments the device includes an off-center lighting source whereby a light beam is emitted at an angle to an axis passing through the center of the opening formed by the leaves.

Abstract: Disclosed is a system for the support and rotation of a reflector onto a body of a fluorescent luminary. The luminary body has first and second longitudinal ends along an axis. The rotatable reflector support system comprises an elongated reflector having first and second longitudinal ends. The reflector has first and second arch-shaped fittings proximate to the first and second reflector ends, respectively. First and second bases are mounted on the luminary body and are proximate to the first and second ends of the body, respectively. The side of each base faces the lamp, when the lamp is mounted in the luminary, and is shaped to engage a plurality of serial portions of an associated arch-shaped fitting in a manner allowing serial portions of the fitting, when manipulated, to slide along an arch-shaped path transverse to said axis and to hold the fitting in place when the fitting is not manipulated.

Abstract: An under cabinet light fixture has a housing with outer surface portions thereof adapted to be positioned closely adjacent, spaced-apart from, and substantially parallel to a substantially planar support surface. The housing has a bottom access panel pivotally connected to it, with first and second panel portions so that the bottom access panel pivots between a closed operating condition and an open access condition. A reflector and lamp sockets are connected to the housing and the reflector is positioned to reflect and radiate light toward and through the second panel portion of the bottom access panel to provide enhanced visibility of light radiating from the support surface when the light fixture is in the operating position.

Abstract: A gobo holder with two gobos that are rotatable one relative to the other. The gobos are located with their patterned surfaces facing one another and very close to one another so that both can be in focus at the same time.

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 thin planar illumination device with a high light utilization efficiency is provided. In a planar illumination device 10, light source sections 15, 16, 17 and 18 each radiates laser light. The light guide members 19 and 20 polarize, by total reflection, light incident from side surfaces 19b and 20b on two opposite sides thereof, so as to be radiated from incident surfaces 19a and 20a, respectively. In a light guide plate 21, the light is incident from side surfaces beside the respective light guide members 19 and 20 so as to radiate irradiation light 24 from main surfaces 21a and 21b. The main surface of the light guide plate 21 is formed by a plurality of inclined surfaces, each being gradually thinned from the edge surfaces on two sides thereof toward a center thereof.

Abstract: A dichroic mixing flag for a multiparameter light is constructed that greatly improves the thermal shock tolerance of the flag and avoids having to use a more costly substrate material. The dichroic color mixing flag may be substantially circular in shape. The dichroic color mixing flag may be fixed to a mechanical component so that the flag cannot rotate with respect to the mechanical component. The dichroic color mixing flag may be fixed to the mechanical component so that the mechanical component can move the dichroic color mixing flag without moving any other dichroic color mixing flag.

Abstract: A lighting device includes a housing, multiple light emitting diodes (LEDS), and multiple magnifier lenses. The multiple LEDS and the multiple magnifier lenses are located in the housing. Each of the magnifier lenses corresponds to a different one of the LEDS, and there are less magnifier lenses than LEDS. Each LED that has a corresponding magnifier lens is arranged with respect to its magnifier lens so that substantially all of the light emitted by the LED only traverses its corresponding magnifier lens. At least one of the LEDS emits light that does not traverse any of the multiple magnifier lenses.

Abstract: A dimming device for a searchlight for adjusting the brightness of a light field generated by a searchlight is provided. The dimming device comprising a plurality of different screening elements, which are formed and provided to partly or completely screen the light emitted by the searchlight. The screening elements are formed by different structured masks at least partly screening the light emitted by the searchlight, which include regularly arranged opaque or partly transparent regions and transparent regions. Means each are provided for incremental adjustment of the brightness of the generated light field of the searchlight either to bring the screening elements into the region of the light emitted by the searchlight, in order to reduce the brightness of the light field generated by one brightness level, or to remove the same from the region of the light emitted by the searchlight, in order to increase the brightness of the light field generated by one brightness level.

Abstract: A dichroic color mixing flag for a multiparameter light is constructed that greatly improves the thermal shock tolerance of the flag and avoids having to use a more costly quartz substrate material. The dichroic color mixing flag may be substantially circular in shape. The dichroic color mixing flag may be fixed to a mechanical component so that the flag cannot rotate with respect to the mechanical component. The dichroic color mixing flag may be fixed to the mechanical component so that the mechanical component can move the dichroic color mixing flag without moving any other dichroic color mixing flag.

Abstract: A brightness control apparatus applied to an illuminating system of a projector includes a plate and a slot portion. The slot portion is formed in the plate for a light beam of the illuminating system passing through. The slot portion has two opposite edges located at two sides of an arc locus. The center of the arc locus is a rotating center of the plate. The distance between the two edges of the slot portion is changed with the arc locus. The arc locus has a start point and an arbitrary point which are relative to the center of the arc locus, so as to form a central angle. The mathematics relationship between the distance of the two edges at the arbitrary point and the central angle is a polynomial function. The degree of the term with the highest degree is equal to or more than six.

Abstract: The present invention provides an illumination optical system which illuminates an illumination target surface with a light beam from a light source, the system including a plurality of adjustment units each having one of a reflectance distribution and a transmittance distribution to adjust an incident angle distribution of the light beam which impinges on the illumination target surface, the plurality of adjustment units including an adjustment unit which adjusts differences between light amounts, in a first direction, of incident angle distributions of light beams at a plurality of points on the illumination target surface, and light amounts, in a second direction, thereof, and an adjustment unit which adjusts at least one of light amount differences, in the first direction, of the incident angle distributions of the light beams at the plurality of points on the illumination target surface, and light amount differences, in the second direction, thereof.

Abstract: A lamp assembly includes a bottom seat and a lampshade. The lampshade includes a lamp cover holding a light emitting element therein, and a connecting arm having a first end connected to the lamp cover and a second end connected pivotally to the bottom seat at a pivot point thereof. The lamp cover and the connecting arm are integrally formed with each other as one-piece unit.

Abstract: Illumination surfaces according to the present invention eliminate or at least reduce linear “stitch” artifacts at edges between tiled illumination devices. As a result, light of substantially uniform intensity is emitted across the entire illumination system. This is achieved, in various embodiments, by reflecting, through the gaps between adjacent light-guide elements, light directed through the bottom surfaces of the elements.

Abstract: A mounting mechanism for a laser or reflector may consist of a gross adjustment mechanism and a fine adjustment mechanism. The gross adjustment mechanism may enable a laser or reflector to be oriented in an approximate orientation and locked in place. The fine adjustment mechanism may enable a fine and precise adjustment to be applied. The mounting mechanisms may include a mounting plate that may mount to the surface of a wall and protect the rest of the mounting mechanism from disruption, but may also allow the fine adjustment mechanism to be tuned. The mounting mechanisms may be used to create a durable yet easily adjustable laser maze amusement.

Abstract: A light source for machine vision applications includes a housing having a thermally conductive base plate which supports an array of high intensity LEDs. The LEDs are fitted with secondary lenses which are aimed such that the light beams from the LEDs illuminate fixed targets having a predetermined spatial relationship so that the light source produces a very uniform light field. After the lenses are aimed, they are secured in the desired position relative to their associated LEDs using a UV-curable adhesive.

Abstract: An adjustable warning light housing has a base, two adjustable shields respectively and pivotally connected to two opposite inner surfaces of the base, two positioning assemblies respectively mounted between the base and the adjustable shields and an upper shield mounted on the outer surface of the base adjacent to the adjustable shields. A lighting assembly may be mounted inside the base to emit warning signals. The adjustable shields and the upper shield allow the warning light housing to fit different kinds of windshields of vehicles simply and easily. Warning signals being emitted by the lighting assembly cannot reflect into the vehicles so do not disturb a drivers of the vehicles for improved safety.

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: 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 by the magnetic holding means. The magnetic holding means comprise a magnet (24) in attracted to a ferrous plate (23) attached to the carrier disc (1).

Abstract: A projector assembly having a light source and a reflector body positioned proximately to the light source for reflecting light forward along an axis of the projector assembly. Mounted to the reflector body is a lens. The lens is in front of and at a distance from the light source to focus the light into a beam pattern. An actuator is mounted to the reflector body and includes a pair of rotatable shafts extending from opposing ends along an axis that is perpendicular to and below the axis of the projector assembly. A light shield is mounted onto the rotatable shafts of the actuator and is rotatable between a first position, wherein substantially all of the light below the axis of the projector assembly is blocked, and a second position, wherein at least a portion of the light below the axis of the projector assembly is allowed to project forward through the lens.

Abstract: A vehicle headlamp is provided with a lamp unit including a light source bulb having a light source for emitting light, a main reflector for reflecting the light emitted from the light source, a shade for shielding apart of the light reflected by the main reflecting face, and a projector lens for forward projecting the light having passed the shades. The vehicle headlamp unit is further provided with a first sub-reflector for reflecting the light emitted from the light source, a second sub-reflector for forward projecting the light from the first sub-reflector through the shade and the projector lens when the first sub-reflector is situated at a first position and a third sub-reflector having a third sub-reflecting face for forward projecting the light from the first sub-reflector not through the projector lens when the first sub-reflector is situated at a second position.

Abstract: An exemplary illuminating apparatus comprises a light source holder, a linear light source and two elongated reflecting plates. The linear light source is mounted on the light source holder. The elongated reflecting plates are mounted on opposite sides of the light source holder. Each of the elongated reflecting plates is rotatable about a rotation axis relative to the light source holder.

Abstract: A diffuser-reflector assembly for use with a photographic flash lamp (800) comprises, in one aspect, an elastic base (100) having rigid first inserts (125 and 130), two arms (105 and 110), a shaft (135), a pivot assembly (150), and one or more frames (116, 121) that hold second inserts (115, 120). The diffuser-reflector assembly installs slidably onto the light-emitting end of a flash lamp (800). The second inserts can have various optical properties. They can be specular or diffuse reflectors, color or neutral density filters, or a combination. The frames and inserts can be swung on the arms and independently pivoted over a wide range of angles above the lamp, thereby providing a wide range of lighting effects. The frames and arms are held in place by friction and can be adjusted by manual force. The entire assembly can be made of simple parts that snap together.

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

Abstract: A lighting fixture having a color-changing mechanism, such as a color wheel, for cycling through a plurality of colors, such as by rotating, at a first speed and a second speed. The second speed is faster than the first speed. A position pulse device, such as a position sensor, generates a reference position pulse when the color-changing mechanism is at a predetermined color or position. A circuit periodically generates a master pulse. A control device causes the color-changing mechanism to cycle through the colors at the second speed when the reference position pulse is generated after the master pulse.

Abstract: The present invention pertains to a night light assembly which plugs directly into an electrical wall receptacle to provide a beam of light that can be directed along different paths.

Abstract: A panel assembly for reflecting and shielding rays of a light source (20), includes a panel (10) and a light-reflecting member (30) pivotably mounted to the panel. The panel includes a base (11) and a bent plate (13) perpendicular to the base. A light-pervious board (131) is disposed on the panel. The light-reflecting member defines an opening (32) facing the light pervious area, for reflecting light rays to be incident on the light-pervious area through the opening, wherein the light-reflecting member is rotatable to change position of the opening of the light-reflecting member relative to the light-pervious area, thereby adjusting the brightness of the light-previous area.

Abstract: A diffuser-reflector assembly for use with a photographic flash lamp (800) comprises, in one aspect, an elastic base (100) having rigid first inserts (125 and 130), two arms (105 and 110), a shaft (135), a pivot assembly (150), and one or more frames (116, 121) that hold second inserts (115, 120). The diffuser-reflector assembly installs slidably onto the light-emitting end of a flash lamp (800). The second inserts can have various optical properties. They can be specular or diffuse reflectors, color or neutral density filters, or a combination. The frames and inserts can be swung on the arms and independently pivoted over a wide range of angles above the lamp, thereby providing a wide range of lighting effects. The frames and arms are held in place by friction and can be adjusted by manual force. The entire assembly can be made of simple parts that snap together.

Abstract: A lighting device (10) is provided which uses multiple LEDs to illuminate a target area. The lighting device includes first and second light emitting diodes (24, 26) spaced apart from each other. A first convex magnifier lens (34) is arranged in a light path of the first light emitting diode (24) for focusing light onto a target area. A second convex magnifier lens (36) is arranged in a light path of the second light emitting diode (26) for focusing light onto the same target area. The first and second magnifier lenses (34, 36) are supported relative to the first and second light emitting diodes (24, 26), respectively, by a cover (32).

Abstract: A panel assembly includes a panel (10), a mounting apparatus (50), a light-reflecting member (30) and a rotary member (70). The panel includes a light-pervious area (131) and an opaque area. The mounting apparatus is mounted in an inside of the panel. The light-reflecting member is pivotably coupled to the mounting apparatus. The light-reflecting member has an engaging member (371) and a light-pervious portion (35) for emitting light. The rotary member is rotatably attached to the mounting apparatus and accessible from an outside of the panel, and the rotary member being meshed with the engaging member of the light-reflecting member for driving the light-reflecting member to rotate between a first position where the light-pervious portion is aligned with the light-pervious area and a second position where the light-pervious portion faces toward the opaque area of the panel.

Abstract: Provided is a plurality of structures each having a number of ridges and formed in a long and thin plate shape or a long and thin film shape. The cross section of each of the ridges forms a portion of a substantial circle and a surface thereof is a practically specular surface. The structures are arrayed such that the ridges of each thereof become parallel to each other and respective adjacent surfaces thereof are corresponding to each other in parallel and apart from each other at a predetermined distance. When light is incident on a point of a surface of one of the structures at an incident angle, in either its reflection or transmittance, the light is diffused in circular conical plane whose vertex is the incident point and center axis is a line parallel to the ridges, by a diffraction effect caused by the arrayed ridges.

Abstract: A portable lamp for demonstration of a sports theme comprises: a) a base; b) a supporting member projecting from the base having an upper end portion; and, c) a generally spherical light source carrying lamp head, carried by the upper end portion of the upright shaft, having an outer segment and a diametrically smaller inner segment, said segments generally semi-spherical and having opposite end portions pivotally attached. Then the segments can be rotated closed to generally form a sphere, or alternatively rotated so that the sphere then has an open segment and the light source therein can radiate light therethrough. Light emitted through the open segment can be controlled by varying a width of said open segment. Most preferably the supporting member comprises an upright shaft capable of manipulation so that its upper end portion can be positioned at a selected angular orientation with respect to the base.

Abstract: A portable lamp for demonstration of a sports theme comprises: a) a base; b) a supporting member projecting from the base having an upper end portion; and, c) a generally spherical light source carrying lamp head, carried by the upper end portion of the upright shaft, having an outer segment and a diametrically smaller inner segment, said segments generally semi-spherical and having opposite end portions pivotally attached. Then the segments can be rotated closed to generally form a sphere, or alternatively rotated so that the sphere then has an open segment and the light source therein can radiate light therethrough. Light emitted through the open segment can be controlled by varying a width of said open segment. Most preferably the supporting member comprises an upright shaft capable of manipulation so that its upper end portion can be positioned at a selected angular orientation with respect to the base.

Abstract: A movable optical element such as a filter for a lamp includes a clamp for attaching the optical element to the lamp, and a frame for the optical element attached to the clamp with a hinge that allows the optical element to be positioned in, or out of the path of light from the lamp.

Abstract: A control of gobos defined by records in the gobo. The gobos are formed by menued shapes.

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: Luminaire with reflector of adjustable rotation comprises a luminaire housing, a reflector received in the housing and an assembled component at ends of reflector. Each longitudinal end of the luminaire has a recess and a projection on internal surface, the recess defining a circular arc, with center as longitudinal axis of a fluorescent lamp. Each assembled component has first and second axially outwardly protruding parts, cooperating with an associated recess and projection, respectively. The first part is received in the recess for guiding rotation of the reflector. The second part has a circular arced, toothed surface concentric with its associated recess, and cooperating with an associated projection that engages a respective one of a plurality of cavities of the toothed surface, to secure the reflector in a respective one of a plurality of rotational positions. Locations of recess and projection can be interchanged with locations of first and second parts.

Abstract: A light beam projector has a light source and a reflector arranged to have light generated by the light source converge into a light beam. The reflector has a hollow curved surface with a focal point where the light source is positioned, and a filter able to change the color of the light beam based on the angle of incidence of the beam on the filter. The filter has a plurality of filter elements arranged by sectors to form a diaphragm between the light source and the light beam outlet from the projector. In order to change the angle of incidence of the light beam on the filter elements, the sectors are able to rotate on their axes from a closed position, in which they fully intercept the light beam, to an open position, in which they do not intercept the light beam, as well as to all intermediate positions. The light beam projector has at least two filtering systems, one including at least one of the diaphragms, placed one after the other along the path of the light beam.

Abstract: A uniform light generating system for adjusting output brightness, including a light-generating unit, a light-transmitting unit, a hollow spheroid unit, a light-sensing unit, and a control unit. The light-generating unit has a light-emitting element for generating light beams and a brightness control element for adjusting the luminous flux of the light beam. The hollow spheroid unit is communicated with the other side of the light-transmitting unit for guiding the light beams into an external casing of the hollow spheroid unit. The light-sensing unit detects electric power values in the external casing. The control unit is electrically connected to the light-generating unit and the light-sensing unit. Thereby a user can obtain a real illumination value via adjusting the illumination values of the light beams that are projected from the hollow spheroid unit.

Abstract: A two piece adjustable trim for a sloped ceiling recessed downlight wherein the two piece trim has an upper element and a lower element hingedly connected to each other. A standard frame in housing may be utilized to receive the two piece rotatable trim, the trim and a lower element affixed to the mounting frame and pivotable relative to an upper trim element.

Abstract: A directional lighting fixture can receive an elongated lamp. The fixture has a spaced pair of connective devices each having a barrel with an electrical contact adapted to connect to opposite ends of the lamp. A tubular lamp cover has a light transmissive section and a light reflective section. Each section is contiguous to the other and trough-shaped. The lamp cover is rotatably mounted around the barrels of the connective devices.

Abstract: A portable lighting lamp 10 comprises an emitting module equipped with at least one light-emitting diode 11 for emitting a light beam, a fixing and connecting element 12 of said diode, and an optical focussing device 15 able to be moved in front of the diode 11 to make the visualization angle of the light beam vary. The optical focussing device 15 is advantageously constituted by one or more Fresnel lenses 16 mounted on a swivelling support 17 or a rotary knob designed to occupy either an inactive position situated outside the light emission field of the diode or an active position wherein said light beam passes through the lens so as to obtain either broad lighting with a short range or narrow lighting with a long range.