A lighting device (100) for illuminating a surface (110). The lighting device comprises at least one first light source (120) configured to emit a first light beam (140) in a first direction and at least one second light source (130) configured to emit a second light beam (150) in a second direction that is not parallel to the first direction. The first light beam (140) has a first spectral power distribution, the second light beam (150) has a second spectral power distribution and the second spectral power distribution is different from the first spectral power distribution. The lighting device further comprises at least one light-delimiting element (160) adjustable relative to at least one of the at least one first light source and the at least one second light source. The at least one light-delimiting element is further configured to delimit the first light beam and the second light beam thereby modify an area of overlap on the surface (110) of the first light beam (140) and the second light beam (150) by forming a boundary of the light (170) separating the first light beam and the second light beam, such that the first light source is configured to illuminate at least a first region (180) of the surface, and the second light source is configured to illuminate at least a second region (190) of the surface adjoining the at least one first region of the surface.

A light beam projector includes a shell; a light source; an outlet lens; a first optical body for focusing a light beam from the light source, interposed between the light source and the outlet lens; a second optical body for varying the focal length of the light beam, interposed between the first optical body and the outlet lens; a third optical body generating an optical effect on the light beam; the third optical body including a lens movable between a non-operating position and an operating position, wherein the third optical body is positioned along the light beam trajectory; a carriage for supporting the third optical body; and a movement device connected to the carriage for moving the third optical body along a trajectory parallel to the shell so as to modify its position relative to the first and second optical bodies.

A decorative lighting apparatus including first light source providing a first light and a second light providing a second light, a switch, and a motion assembly. The switch including a first setting corresponding to the first light source being in an on condition and the second light source being in an off condition, and a second setting corresponding to the first light source and the second light source being in an on condition. The motion assembly being configured to secure at least one optical element in the path of the first light or second light being generated by the first and second light sources, and including a motor being coupled to the articulating element such that a movement generated by the motor is imparted to the optical element.

A multi-color spotlight has a lens on a first side, a rotational mechanism, a knob for actuating the rotational mechanism, and a power supply source within a housing operably coupled to the rotational mechanism. The rotational mechanism has a rotatable rod having a plurality of substrates coupled around the circumference thereof, each substrate having an LED chip mounted in the same vertical geometric plane in relation to the other LED chips, and wherein only the LED chip that is positioned directly beneath the lens is configured to receive power from the power supply source and illuminate.

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).

An optical unit includes a light source having both a first light emitting element for emitting light having a first color and a second light emitting element for emitting light having a second color that is different from the first color; and a rotating reflector configured to be rotated in one direction around a rotational shaft, while reflecting the light having the first color and the light having the second color, which have been emitted from the light source. In the rotating reflector, a reflecting surface is provided such that a predetermined light distribution pattern is formed with the light having the first color and the light having the second color, which have been reflected by the rotation of the rotating reflector, being superimposed one on another.

A multi-color spotlight has a lens on a first side, a rotational mechanism, a knob for actuating the rotational mechanism, and a power supply source within a housing operably coupled to the rotational mechanism. The rotational mechanism has a rotatable rod having a plurality of substrates coupled around the circumference thereof, each substrate having an LED chip mounted in the same vertical geometric plane in relation to the other LED chips, and wherein only the LED chip that is positioned directly beneath the lens is configured to receive power from the power supply source and illuminate.

A decorative lighting apparatus including first laser light source providing a first light and a second laser light providing a second light, a switch, and a motion assembly. The switch including a first setting corresponding to the first light source being in an on condition and the second light source being in an off condition, and a second setting corresponding to the first light source and the second light source being in an on condition. The motion assembly being configured to secure at least one optical element in the path of the first light or second light being generated by the first and second laser light sources, and including a motor being coupled to the articulating element such that a movement generated by the motor is imparted to the optical element.

The present disclosure discloses a rotating bulb, including: a lamp holder, a lower lamp cup cover, a control board, a control board fixing seat, an upper lamp cup cover, a lamp panel, and a lampshade. According to the present disclosure, the lower lamp cup cover and the upper lamp cup cover are rotated to drive the adjustable resistor to achieve dimming, which can adjust the brightness, the color temperature, and the color, and is easy to remove and mount.

An illumination device or method of generating illumination using an illumination device is described with two light sources with different spectral distribution a number of displaceable light collectors collecting light from the light sources where in one mixing position receiving light from both light sources where at least one of the light sources has two independently controllable light emitting areas and in one mixing position the collecting area collects light form the first light emitting area and substantially not from the second light emitting area. Further an unrelated illumination device with at least one Light Emitting Diode, LED and a current spreader connected to and covering a first area of a first side of the lead, spreading current in an irregular pattern and a current controller controlling current flowing through the first current spreader. The current spreader can be patterned to produce a round beam illumination or illumination in a form of a static picture or logo. A round beam illumination can better cooperate with an optical system of lenses in an illumination device. Further the current spreader can be patterned to have lower current density in the center to reduce/avoid temperature hotspot in the center and obtain a more even die temperature.