A lighting fixture appears as a skylight and is referred to as a skylight fixture. The skylight fixture has a sky-resembling assembly and a plurality of sun-resembling assemblies. The sky-resembling assembly has a sky-resembling optical assembly and a sky-specific light source, wherein light from the sky-specific light source exits a planar interior surface of the sky-resembling light optical assembly as skylight light. The plurality of sun-resembling assemblies are arranged adjacent one another and extend downward from a periphery of the sky-resembling assembly. Each of the plurality of sun-resembling assemblies has a sun-resembling optical assembly and a sun-specific light source, wherein light from the sun-specific light source exits a planar interior surface of the sun-resembling optical assembly as sunlight light.

An amenity, such as a heater or a light fixture is mounted in a frame which is suspended from a swiveling arm attached to an upright. Utilities are conducted to the amenity through the upright, the arm and the frame. The swiveling arm permits easy relocation of the amenity to maximize comfort and utility for users.

An amenity, such as a heater or a light fixture is mounted in a frame which is suspended from a swiveling arm attached to an upright. Utilities are conducted to the amenity through the upright, the arm and the frame. The swiveling arm permits easy relocation of the amenity to maximize comfort and utility for users.

A mechanical state indicator system concealed within an enclosure includes a light source for providing light and multiple light paths coupled to the light source for directing the light. Each of the light paths includes a gap configured to receive a mechanical state indicator rigidly coupled to a mechanism. Movement of the mechanism between a first state and a second state moves the mechanical state indicator into and out of the gap. Readouts are coupled to each of the light paths for displaying an indication of mechanical state based on a position of a respective mechanical state indicator. The readouts are co-located for collective viewing.

A mechanical state indicator system concealed within an enclosure includes a light source for providing light and multiple light paths coupled to the light source for directing the light. Each of the light paths includes a gap configured to receive a mechanical state indicator rigidly coupled to a mechanism. Movement of the mechanism between a first state and a second state moves the mechanical state indicator into and out of the gap. Readouts are coupled to each of the light paths for displaying an indication of mechanical state based on a position of a respective mechanical state indicator. The readouts are co-located for collective viewing.

An illuminance obtained by light passed through light diffusion type skylight windows is affected by the weather. This is to solve such problems by polarization of lighting devices and control technology in addition to improvements in the quality of skylights themselves, and the advantages of the high natural lighting offered by light diffusion type skylight windows are now being utilized. A set value that is the result of associating a required work surface illuminance for indoors with the work surface illuminance obtained by light passed through light diffusion type skylight windows and the generated power of a photovoltaic power generation panels is set as a reference for a light adjustment signal. In situations such as winter sunsets and rainy weather which are in a range equal to or less than the set value, light adjustment of lighting devices is performed by a signal transmitted from the photovoltaic power generation panels.

Imitation candle devices and systems with features enable simulation of a realistic candle flame using moving lights are disclosed. In one aspect, an imitation candle device is provided that includes a flame sheet shaped to resemble a flame, a support member positioned in proximity to the flame sheet, and a light casing including a hole. An end of the support member extends into the hole and a tip of the end of the support member is in contact with an inner wall of the hole to allow movement of the light casing on the support member. The imitation candle device also includes a light emitter enclosed at least partially in the light casing and movable with movement of the light casing. The light emitter is oriented at an inclined angle with respect to the flame sheet to emit light onto the flame sheet.

Imitation candle devices and systems with features enable simulation of a realistic candle flame using moving lights are disclosed. In one aspect, an imitation candle device is provided that includes a flame sheet shaped to resemble a flame, a support member positioned in proximity to the flame sheet, and a light casing including a hole. An end of the support member extends into the hole and a tip of the end of the support member is in contact with an inner wall of the hole to allow movement of the light casing on the support member. The imitation candle device also includes a light emitter enclosed at least partially in the light casing and movable with movement of the light casing. The light emitter is oriented at an inclined angle with respect to the flame sheet to emit light onto the flame sheet.

An interior lighting system has arrangement of lighting panels mounted around a window for providing lighting around the outside of the window. The light provided depends on the exterior lighting which passes through the window. In this way, contrast between the window and the wall around the window can be reduced.

The present invention discloses a stage lamp optical system having beam and pattern effects comprising a laser light source, a first light guide component, an LED light source, a second light guide component and a plurality of optical lens components, which are sequentially arranged along a main optical axis, wherein both the LED light source and the second light guide component are provided with an opening at a position directly facing the first light guide component; and after the light from the laser light source passes through the first light guide component or after the light from the LED light source passes through the second light guide component, the light sequentially passes through the plurality of optical lens components to form a light output in a beam mode or in a pattern mode.