A helicopter search light comprises a housing with a mounting portion, which is configured to be mounted to a helicopter, a light source support arranged within the housing and at least one optical system. Each optical system includes a group of at least two light sources with different light emission characteristics, which are arranged on the light source support; and a reflector, which is movable between at least two discrete positions, each position being associated with one of the at least two light sources, with the reflector in each position only reflecting light emitted by the associated light source. The helicopter search light further comprises at least one actuator, which is configured for selectively moving the reflector between the at least two discrete positions.

A multi-color spotlight has a housing having a lens on a first side, a rotational LED mechanism, a knob for actuating the rotational LED mechanism, and a power supply source within the housing operably coupled to the rotational LED mechanism, wherein the rotational LED mechanism comprises a rotatable rod having a plurality of substrates coupled around the circumference thereof, with each substrate being in a distinct geometric plane, each substrate having an LED chip in the center, and wherein only the LED chip that is positioned in the center beneath the lens is configured to receive power from the power supply source.

Stage light fixture provided with: a short arc lamp adapted to emit a light beam along an optical axis; a reflector associated to the short arc lampso as to concentrate light beam rays substantially at a work point; an output optical assembly, arranged at the most downstream point along the optical axis, having a focal point arranged between the light source and the output optical assembly and coinciding with the work point; at least one color assembly comprising a plurality of color devices configured to selectively color the light beam; the color assembly being arranged between the short arc lampand the work point (PL).

An apparatus for a theatrical lighting instrument including a light source, which emits light in a light path; a lens located in the light path, and which receives light from the light source and projects light from the light source; a computer memory; and a computer processor. The apparatus may also include first pluralities and second pluralities of cyan, magenta and yellow color filters, each filter including a variable density color filter operated upon by a motor configured to traverse each filter in and out of the light path. Each variable density color filter of the first pluralities of filters may include a high saturation color pallet. Each variable density color filter of the second pluralities of filters may include a low saturation color pallet. The computer memory may include software to multiplex the traversing of the first and the second pluralities of filters to one or more control channels.

A laser projection device has at least one laser light source and a plurality of gratings, each grating having a light receiving side and a light emitting side. The plurality of gratings are arranged in a ring-shape having at least one row with the light receiving side of each grating facing a center of the ring. The laser projection device also has a motor configured to rotate the plurality of gratings about a rotational axis passing through the center of the ring. The plurality of gratings each comprise a pattern for forming an image when light is passed through the pattern. The plurality of gratings are arranged around the ring such that the plurality of patterns are configured to project an animated image when the plurality of gratings sequentially receive light from the at least one laser light source upon rotation of the grating set.

A decorative lighting apparatus including a first light source generating a first light having a first color, a second light source generating a second light having a second color, a first stationary optical element having a diffraction grating and disposed in a first path of the first light generated by the first light source, a second stationary optical element having a diffraction grating and disposed in a second path of the second light generated by the first light source, and a motion assembly. The motion assembly including a first articulating optical element having a diffraction grating and disposed in a first path of the first light being generated by the first light source, a second articulating optical element having a diffraction grating and disposed in a second path of the second light being generated by the second light source, and at least one motor coupled to the first and second articulating element such that a movement generated by the motor drives the first and second articulating optical elements. The motion assembly being configured such that the movement driving the articulating optical elements by the motor causes the first light and the second light to move across a surface onto which the first light and the second light are being projected in a predetermined pattern.

Apparatus and methods are described herein for lighting control. A lighting unit (100, 200, 300, 400, 500) may include a base (104, 204, 304, 404) adapted to be inserted into a socket (106, 206, 306) of a luminaire/lighting fixture. The lighting unit may include one or more light sources (108, 208, 308, 408, 508) to emit light at least in a first direction and one or more reflective elements (110, 210, 310, 410, 510, 610) arranged to define an aperture (112, 212, 312, 412, 512, 612) through which a first spatial portion (114, 214, 314, 414, 514) of the emitted light continues in the first direction, prevent a second spatial portion (116, 216, 316, 416, 516) of the emitted light from continuing in the first direction, and reflect at least part of the second spatial portion of the light in a second direction different than the first direction.

A multi-color spotlight has a housing having a lens on a first side, a rotational LED mechanism, a knob for actuating the rotational LED mechanism, and a power supply source within the housing operably coupled to the rotational LED mechanism, wherein the rotational LED mechanism comprises a rotatable rod having a plurality of substrates coupled around the circumference thereof, with each substrate being in a distinct geometric plane, each substrate having an LED chip in the center, and wherein only the LED chip that is positioned in the center beneath the lens is configured to receive power from the power supply source.

An LED lighting device (6) having an LED (8) emitting white light and optical filter means (12) suitable for filtering the white light emitted by the LED (8). The optical filter means comprise at least two optical filters (12) that have different transmission coefficients and that are positionable to filter the light emitted by the LED (8) individually. The lighting device (6) includes a power supply unit (10) suitable for delivering different power supply currents to the LED (8) depending on whether one or the other of the optical filters (12) is positioned to filter the light from the LED (8), so as to modify the color temperature of the light emitted by the LED (8).

A decorative swimming pool illumination device including a housing assembly having a projector assembly in the inner thereof and a drive device in a bottom portion thereof. The housing assembly includes a housing which has a dome hollow body with apertures in a top portion thereof and a hollow base. The projector assembly includes projector members which are placed in the apertures of the housing to allow display a plurality of images/colors. The drive device includes a drive device attached to the base of the housing and includes a wheeled portion that allows the housing to creep along the bottom of a swimming pool to display the images/colors by the projector members.