A plant illumination optical device includes two LED lamp bodies. Each of the LED lamp bodies includes a reflector and an LED lamp located at an inner side of the reflector, and an angle between the central light rays of the two LED lamp bodies is adjustable. A plant cultivation device contains the plant illumination optical device. The plant illumination optical device and the plant cultivation device can reflect the light beyond the planting area to the planting area and can supplement the illumination on both sides of the illumination centerline, thereby avoiding light waste, improving energy efficiency, improving the illumination uniformity in the planting area, and improving planting quality of the planting area.

The disclosure of the present invention includes light fixtures having variable LED array sizes to form different beam angles. These light fixtures are particularly suitable for sports/venue lights and are characterized by highly concentrated high power small LED light sources including small light sources of different size LED arrays which may include additional diffusion. The present disclosure also includes a lens which substantially dissipates light to reduce if not eliminate glare. The lens may be pressed, chemically etched (pickled), or sandblasted to become a micro-lens. The lens may, alternately, be a plastic material. A further aspect of the present disclosure is the incorporation of a segmented reflector to greatly reduce glare. A single reflector may be segmented in its circumference or may be formed of multiple individual segments.

The disclosure of the present invention includes light fixtures having variable LED array sizes to form different beam angles. These light fixtures are particularly suitable for sports/venue lights and are characterized by highly concentrated high power small LED light sources including small light sources of different size LED arrays which may include additional diffusion. The present disclosure also includes a lens which substantially dissipates light to reduce if not eliminate glare. The lens may be pressed, chemically etched (pickled), or sandblasted to become a micro-lens. The lens may, alternately, be a plastic material. A further aspect of the present disclosure is the incorporation of a segmented reflector to greatly reduce glare. A single reflector may be segmented in its circumference or may be formed of multiple individual segments.

A detachable support is provided. The detachable support includes a first arm having a first connection portion, a second arm having a second connection portion, and a frame. The frame has a first end portion and a second end portion, which are respectively hinged to the first arm and the second arm. The first connection portion and the second connection portion are operable to be inserted and fixed into two grooves respectively, and the two grooves are defined in a housing to be mounted. The first arm has a hole, the housing to be mounted is provided with a spring loaded bolt, and the spring loaded bolt is operable to be inserted into the hole to lock the first arm. No tool is required throughout installation and removal processes of the detachable support according to the present disclosure, thereby improving the efficiency of the installation and removal processes.

A detachable support is provided. The detachable support includes a first arm having a first connection portion, a second arm having a second connection portion, and a frame. The frame has a first end portion and a second end portion, which are respectively hinged to the first arm and the second arm. The first connection portion and the second connection portion are operable to be inserted and fixed into two grooves respectively, and the two grooves are defined in a housing to be mounted. The first arm has a hole, the housing to be mounted is provided with a spring loaded bolt, and the spring loaded bolt is operable to be inserted into the hole to lock the first arm. No tool is required throughout installation and removal processes of the detachable support according to the present disclosure, thereby improving the efficiency of the installation and removal processes.

A decorative filter is disclosed. Quick, convenient, and festive update to garden lights and outdoor fixtures. The filter has a bag-like structure to facilitate placing it over a landscaping light fixture to change the color of the light that projects from the fixture. The filter is sheet-like and can be a gel or other color filter. Sometimes the filter is made from a polymeric material.

A decorative filter is disclosed. Quick, convenient, and festive update to garden lights and outdoor fixtures. The filter has a bag-like structure to facilitate placing it over a landscaping light fixture to change the color of the light that projects from the fixture. The filter is sheet-like and can be a gel or other color filter. Sometimes the filter is made from a polymeric material.

A downlight apparatus includes a light module, connecting arms and a driver box. The connecting arms are fixed to a back cover of the light module. The connecting arm has a guiding top and a lateral stopper for entering a receiver slit of the driver box. The lateral stopper and the guiding top may be made of one metal piece, and the lateral stopper is protruding at a lateral side of the connecting arm so that to fix the connecting arm to the driver box.

A downlight apparatus includes a light module, connecting arms and a driver box. The connecting arms are fixed to a back cover of the light module. The connecting arm has a guiding top and a lateral stopper for entering a receiver slit of the driver box. The lateral stopper and the guiding top may be made of one metal piece, and the lateral stopper is protruding at a lateral side of the connecting arm so that to fix the connecting arm to the driver box.

A light fixture assembly includes a base including a recessed surface, an outer wall, and a base connecting member extending from the outer wall. A light emitter is connectable to the recessed surface of the base. An inner lens is connectable to the base over the light emitter. An outer lens is configured to be selectively connected to the base. The outer lens includes a lens connecting member configured to connect to the base connecting member. An accessory mount is configured to be selectively connected to the base. The accessory mount includes an accessory mount connecting member configured to connect to the base connecting member.