Abstract: A flat refractive collimator assembly including a light guide and a light source, for example, an LED. The sides of the light guide defines a collimating reflective surface having a paraboloidal shape with a collimating focal point placed on the axis of the light guide. The central portion of the light guide defines a main reflective surface having a virtual focal point, which is substantially similar to the collimating focal point. The collimating reflective surface is a paraboloidal surface or is formed as a plurality of paraboloidal segments having various focal lengths and having a common collimating focal point. The collimating reflective surface can also include spread optics.

Abstract: An aircraft light for emitting light in a desired spatial angular region and with a desired light distribution, comprises a reflector having an upper reflector portion and a lower reflector portion both being symmetrical to a plane. A first row of LEDs are face away from the reflector. A second row of LEDs face towards the reflector. Each of the upper and lower portions of the reflector comprises first, second, and third reflective surfaces with the first reflective surface being convexly shaped, the second reflective surface being substantially flat, and the third reflective surface being partially parabolically shaped.

Abstract: A lighting device has a power-factor correction circuit 6, a step-down chopper circuit 8, a full-bridge circuit 10, control ICs for these circuits and a driving-voltage supply circuit 14. The supply circuit 14 supplies a driving voltage to the control ICs. The control IC outputs the on/off driving voltage to a switching element of the corresponding circuit 6 to 10. The lighting device also has a detector 16 and judgment equipment 18. The detector 16 detects the driving voltage supplied from the supply circuit 14. The judgment equipment 18 instructs the control ICs to start outputting the on/off driving voltages in the order from the control IC close to the power source 2 to the control IC close to the discharge lamp 4 when the driving voltage detected by the detector 16 reaches a predetermined value during the time when the driving voltage supplied from the supply circuit 14 rises.

Abstract: A light emitting diode (LED) lighting fixture includes a base plate having a front side and a rear side. A plurality of lighting strips is mounted on the front side of the base plate. A reflector is mounted to each of the lighting strips and desirably comprises multi-faceted side walls extending away from the light strip. Driver circuitry and control circuitry are mounted to the base plate, and are electrically coupled to a power supply for powering and controlling the plurality of LEDs. Each of the lighting strips includes a plurality of linearly-arranged LEDs, and each of the light emitting diodes has a diode base and a light emitting portion. The multi-faceted side walls of the reflector cause light produced by the plurality of LEDs to be amplified and formed into a bath or wash of light.

Abstract: A lighting system for an appliance is disclosed. In one embodiment, the lighting system includes a light shelf including a substantially planar light guide having a support member for releaseably coupling the light shelf to the appliance, a light injector coupled to a first end the light shelf, the light injector including a substrate having at least one light source disposed thereon and a housing for at least partially enclosing the at least one light source, wherein light emitted from the at least one light source is directed into the light guide, and an end piece coupled to a second end of the light shelf opposite the first end.

Abstract: An aircraft light, particularly for emitting light onto a runway during takeoff or landing and/or onto the ground during taxi, comprises a light source (30), a reflector (12), a support frame (18) for the reflector (12), and an adjustable bearing arrangement (20) including at least two joints (22) pivotably supporting the reflector (12). The adjustable bearing arrangement (20) comprises at least one extendable and retractable adjustment element (24) guided at the support frame (18) along a movement axis (26). At least one of the two joints (22) is formed as a ball-type joint. The ball-type joint (22), to compensate for a change of the distance (A,A?) between the at least two joints (22) of the bearing arrangement (20) upon movement of the adjustment elements (24) for tilting the reflector (12), slidably engages the reflector substantially orthogonal to the movement axis (26) of the adjustment element.

Abstract: The LED reading light, in particular for a passenger transportation vehicle such as, for example, an airplane, a bus, or a ship, is provided with two power supply connections (17) for connection to a power supply unit (16), an LED light means for giving off light with a desired light intensity, and a coding component (14), in particular a coding resistor, which is connected to at least one of the power supply connections (17), where the electrical parameter of the coding component (14) specifies the magnitude of a power supply current which can be provided for the LED light means by the power supply unit (16). Furthermore, the LED reading light is provided with a current controller (18) which is connected between the coding component (14) and the LED light means (12) and provides an operating current for the operation of the LED light means (12).

Abstract: The navigation lighting device for an aircraft, in particular a military aircraft and preferably a fighter aircraft is provided with several navigation light units with navigation lights, a power supply unit for the navigation tight units, and a central actuation unit for the actuation of the navigation light units in each one of several modes of operation. The navigation light units can be actuated for operation in a mode of operation by the central actuation unit sequentially in a predetermined sequence and thus with a time offset. Each navigation light unit comprises a control unit connected to the actuation unit for the actuation of its navigation light in the operation mode predetermined by the central actuation unit. The control units of the navigation light units comprise time-delay elements for the temporal delay of the actuation of the navigation lights on the receipt of an actuation signal of the central actuation unit.

Abstract: The invention relates to an LED light, particularly a reading or seat lamp for vehicles such as travel coaches or airplanes, said light being equipped with a housing (36), a plurality of LEDs comprising first LEDs (16) that transmit electromagnetic radiation in a first wavelength range, and an activation unit (12) for activating the first LEDs (16). The LED light further comprises a conversion material (24) that, upon excitation by at least part of the electromagnetic radiation from the first LEDs (1.6), emits electromagnetic radiation in a conversion wavelength range that is in the visible spectrum range and is at least partially different from the first wavelength range. The LEDs further comprise second LEDs (18) that, in order to shift the color of the electromagnetic radiation emitted by the conversion material (24) upon excitation by the electromagnetic radiation emitted by the first LEDs (16), emit electromagnetic radiation in a second wavelength range.

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

Abstract: An image projection lighting device including a base housing, a yoke, a lamp housing, and a video projector located inside the lamp housing, is disclosed. The video projector includes a video projector housing. The video projector housing can be moved into a first position and a second position in relation to the lamp housing. The first position is a video projector operating position in which the video projector cannot be serviced. The video projector can be serviced in the second position. A projector lamp cannot be accessed in the first position but can be accessed in the second position.

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

Abstract: The method for assembly of an LED lighting device comprising an LED module and a reflective and/or refractive optical unit and provided particularly as a reading or seat light for use in a vehicle such as, e.g.

Abstract: A theatre lighting apparatus comprising a base, a communications port, a processor, a memory, and a lamp housing is disclosed. The lamp housing may include a lamp, a reflector, an output lens, a motor, and a homogenizing lens. The homogenizing lens may be comprised of a plurality of radially arranged lenticular lenses. The processor may be programmed to enable a motor to vary a position of the homogenizing lens in relation to a position of the output lens. The homogenizing lens may be comprised of a first half and a second half, each of which may have a plurality of radially arranged lenticular lenses.

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

Abstract: A theatre lighting apparatus comprising a base, a communications port, a processor, a memory, and a lamp housing is disclosed. The lamp housing may include a lamp, a reflector, an output lens, a motor, and a homogenizing lens. The homogenizing lens may be comprised of a plurality of radially arranged lenticular lenses. The processor may be programmed to enable a motor to vary a position of the homogenizing lens in relation to a position of the output lens. The homogenizing lens may be comprised of a first half and a second half, each of which may have a plurality of radially arranged lenticular lenses.

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: An arc lamp apparatus is disclosed, which may include a base having a plurality of electrical connections, and a vessel. The vessel may include a plurality of electrodes, a gas filled bulb, and a plurality of pinches. An electrical arc that emits radiation may be formed within the plurality of electrodes. A first pinch may contain a first electrode of the plurality of electrodes. A second pinch may be fixed perpendicular to the base. The second pinch may contain a second electrode not fixed to the base. The second electrode may be connected to an external electrode connecting lead that routes in proximity to the gas filled bulb. The external electrode connecting lead may be shrouded by a reflective material.