A vertical farming layer structure comprising: an underlying support for supporting a plurality of farmed plants; a light-reflective upper surface positioned above and facing the underlying support, the light-reflective upper surface being adapted to reflect light by diffuse reflection; and a plurality of light-emitting devices positioned between the underlying support and the light-reflective upper surface, each light-emitting device being positioned to emit light along a respective optical axis oriented towards the light-reflective upper surface such that light emitted from the light-emitting device is at least partially diffusely reflected off of the light-reflective upper surface to reach the plants supported on the underlying support.

Provided are a rotary shaft assembly and a lamp. A first connecting base of the rotary shaft assembly is formed with a positioning hole. A second connecting base of the rotary shaft assembly is rotatably connected to the first connecting base. One end of a positioning pin of the rotary shaft assembly is movably connected to the second connecting base. The other end of the positioning pin is configured to enter or exit the positioning hole from a first side of the positioning hole. An unlocking pin of the rotary shaft assembly is configured to enter or exit the positioning hole from a second side of the positioning hole. The unlocking pin is configured to drive the positioning pin to exit the positioning hole when the unlocking pin enters the positioning hole.

A flagpole lighting assembly, including an enclosure which includes a ring-shaped base having an aperture therethrough which includes a circumferential region, and a bottom aperture interior to the circumferential region, and a cover which includes a top with an aperture therethrough, an outer wall circumferentially coupled to the top, with a larger diameter than a diameter of the circumferential region of the base, protruding downwards beyond the base, a primary protrusion extending from the top such that it is flush with the outer wall and including an aperture therethrough, and a plurality of secondary protrusions extending downward from the top, each protrusion having a brace connected to the outer wall, and a ring-shaped circuit board and a plurality of output lighted strands connected to the circuit board.

A lighting apparatus includes a driver, an elongated housing, an extending connector, a light source and an extension module. The driver converts an external power source to a driving current. The elongated housing has a lighting area, an extension area and a light opening. The extending connector has a holder and an electrode connecting to the driver. The holder is placed in the extending area of the elongated housing. The light source is attached to the lighting area for generating a first light escaping from the light opening. The extension module is attached to the holder of the extending connector to electrically connect to the driver via the electrode.

A linear light fixture assembly for supporting a light fixture in a ceiling structure, comprises a light fixture mounting structure having a pair of opposed boundary regions configured to fit within a designated light fixture receiving region in the ceiling structure, and a plurality of spring elements configured to spaced outwardly from at least one of the boundary regions, each spring element having a mounting region configured to be anchored to the mounting structure and a free end region to extend therefrom and to be laterally outwardly biased in a first position to form a path of contact with a support surface region on the ceiling structure to anchor the structure in the receiving region, each of the spring elements configured to be movable toward the corresponding boundary region in a second position to release the path of contact to release the light fixture from the receiving region.

A smart multi-color light dimming LED chip module, a bulb, and a light string are provided. The smart multi-color light dimming LED chip module includes a transparent circuit board, a control integrated circuit (IC), four metal terminals, at least three light-emitting chips of different colors. The control IC is disposed on the transparent circuit board, and the at least three light-emitting chips are uniformly disposed at a first side of the control IC on the transparent circuit board. The four metal terminals are disposed at a second side of the control IC on the transparent circuit board, the four metal terminals are respectively and electrically connected to a power supply pin, a ground pin, a signal input pin, and a signal output pin of the control IC. A conductive pattern is disposed on each of at least two circuit layers of the transparent circuit board.

A main unit of a lighting device with expandable functionality. The main unit includes at least one light source, driver electronics, and a housing with an at least partially light-permeable housing wall. The main unit further includes a coupling element for forming a wireless coupling interface to an extension unit, wherein the coupling element is located within the housing and is designed such that the wireless coupling between the main unit and the extension unit through the partially light-permeable housing wall is carried out. Furthermore, an extension unit and a lighting device are provided.

One or more reduced, same form, light emitting apparatus(es) spaced apart and configured to be mounted at various heights and/or spacing employ the same power consuming light source input that is covered by a symmetrical or asymmetrical redirecting linear lens optics apparatus that is configured for use in a range of mounting heights to uniformly illuminate at least one legal path of egress below.

The present disclosure is a linear luminaire connector assembly that is configured to connect linear luminaires in a desired geometric arrangement. The connector assembly provides modularity in the arrangement of two or more linear luminaires. The connector assembly provides connection points to which linear luminaires can Connect such that the linear luminaires are arranged around the connector assembly in different directions to form any appropriate pattern of a user's choice. Further, the connector assembly is configured to house one or more electronic components/devices therein, such as IOT devices, sensors, cameras, emergency battery packs, wireless communication modules.

A seamless lighting arrangement for a vehicle panel. The vehicle panel has an inside surface and an outside surface. The vehicle panel has a light aperture extending from the inside surface of the vehicle panel to the outside surface of the vehicle panel. Connected to the inside surface of the vehicle panel is a bracket. The seamless lighting arrangement further includes a lens with a bracket connection portion that connects to the bracket and a transmission portion positioned within the light aperture of the vehicle panel. The lens further includes a light unit fixedly connected to the lens. The light unit has a projector port for emitting light from a light source. The light transmission portion of the lens has a light input surface region formed on an inside surface of the lens and a light output surface region formed on an outside surface of the lens.